Converting PC Disk Drives to Amiga

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Jan Beta

Jan Beta

Күн бұрын

Пікірлер: 165
@Numfuddle
@Numfuddle Жыл бұрын
The ground pins are there to shield the data lines from electromagnetic interference and crosstalk from neighbouring data lines. It’s a pretty common design for connection systems that use flat ribbon cables and pretty much a necessity if you send digital signals across long ribbon cables. It’s a design pattern that is used to this day.
@PedroAlmeida1974
@PedroAlmeida1974 Жыл бұрын
Beat me to it 😂
@JanBeta
@JanBeta Жыл бұрын
Ah, that makes perfect sense! Thanks for pointing that out! I guess it's not really necessary for the very short cables in the Amiga 500s but I totally see the necessity for longer cables without "external" shielding.
@Numfuddle
@Numfuddle Жыл бұрын
@@JanBeta Crosstalk is always an issue even on short cables. For EMI the length plays a role but an unshielded cable basically acts as an antenna and the wire length only determines the wavelength of the signals that are picked up or sent out. Old computers are crammed full of stuff and so you have lots of interference at all kinds of frequencies. Shielded cables were rather expensive especially when they include a lot of wires and separating data lines with grounded wires is a low cost and effective solution to reduce both crosstalk between data lines and also the amount of interference that’s being picked up by the cable.
@thisnthat3530
@thisnthat3530 Жыл бұрын
@@Numfuddle The wavelength of the signals in a floppy cable is around 400m long (traveling at 0.6C). Unless the cable is ridiculously long it's not an issue. I made a 50cm custom cable for the floppy in my PC using a 16 core ribbon cable and it's been working for many years without error.
@SuperVstech
@SuperVstech Жыл бұрын
@@thisnthat3530the grounds were likely an fcc requirement
@crazor01
@crazor01 Жыл бұрын
14:45 Here's a little trick to bridging those jumpers without any wire. Just turn off your soldering iron and continue to try soldering the bridge while it gradually cools. Solder wants to flow towards the heat and away from the stop mask material. The cooler the iron gets, the more sluggish the solder behaves, until it will rather bridge the gap across the stop mask than flow towards the iron tip.
@hlavaatch
@hlavaatch Жыл бұрын
I used to make a little PCB that would go between the drive and cable that would emulate the RDY by delaying the Motor On by about half a second. That made the Amiga copiers work.
@jaycee1980
@jaycee1980 Жыл бұрын
I've recently done much the same thing :) uses MTR and SEL in my case, used surface mount parts so it fits on a 1.5x2cm pcb :)
@mal2ksc
@mal2ksc Ай бұрын
You might as well swap the pin assignments around on that same PCB and not modify drives at all. That would really solve the drive scarcity problem for good, or at least until PC drives aren't made either.
@ICENTUKAOS
@ICENTUKAOS Ай бұрын
Thanks Jan, replying now as I bought exactly the same drive which arrived today. It literally took 10 minutes to do thanks to your video. One thing I did different is I snapped pin 12 out (so breaking the connection, then just bridged pins 10 and 12 on the PCB, that way I didn't have to do the fiddly solder to the trace that you did.
@JacGoudsmit
@JacGoudsmit Жыл бұрын
I really could have used this information in the 1990s when I was looking for an external drive for my A500. My friends told me Amiga drives are not that different from PC drives and they just "needed the drive select changed or something" but no-one seemed to know the exact details.
@RacerX-
@RacerX- Жыл бұрын
Nice job! I have converted a couple drives over the years and you found some good ones. If you are lucky you can find some PC drives that have jumpers for everything needed here and all you have to do is move the jumpers to make it work with Amiga. I have a couple of these drives and they are very versatile. Thanks for sharing and keep up the good work.
@jvidia
@jvidia Жыл бұрын
What models are those?
@Jope9k
@Jope9k Жыл бұрын
@@jvidia some TEAC drives which have a large bank of jumpers can be directly jumpered to be Amiga compatible. These don't pop up very often though.
@mk500
@mk500 Жыл бұрын
Awesome video! I had always wondered about the differences between “vintage” 3.5” drives and “less vintage” PC versions.
@eugenekiselev
@eugenekiselev Жыл бұрын
Literally I was holding PC FDD in my hands thinking what to do with that when I spotted your new video :) came quite handy. Thank you for sharing this !
@stephenvalente3296
@stephenvalente3296 Жыл бұрын
Only the other day I was thinking not watched one of your videos for some time. Not sure why KZbin hasn't been popping them into my feed as a reminder. Great to be watching again as you're always willing to try things and your enthusiasm is obvious. Wish I had more time to do all these things for myself.
@blackghost7263
@blackghost7263 5 ай бұрын
Good stuff. Quite a simple task. Some older PC disk drives have jumper by their power connectors to change the DS setting.
@brendonelton
@brendonelton Жыл бұрын
Vielen Dank für Ihre Zeit und Mühe, ein enormer Beitrag für die Amiga community
@JanBeta
@JanBeta Жыл бұрын
Ich bin nicht annähernd der erste, der das gemacht hat, gibt jede Menge Informationen im Netz zu diesen Umbauten. Ich habe aber kein in die Tiefe gehendes Video dazu gefunden, also habe ich kurzerhand mal eines gemacht. :)
@bitoxic
@bitoxic Жыл бұрын
18:35 I very much like the way you cut traces with a Swiss Army knife like MacGyver! 😁
@TheRealBobHickman
@TheRealBobHickman Жыл бұрын
A good stress test would be some demoscene disks with esoteric formatting on them that's pushing the track limit. Great straightforward hack though!
@stephenbruce8320
@stephenbruce8320 Жыл бұрын
I bought a bunch of PC Drives, some I converted to Amiga. Because I have PC and Amiga Drives, I have to label the drives as Amiga Converted Drives so I don't gran the wrong drive to be used in a PC which would be mostly at work. Yea I still have some older Robots, other Automation Equipment and Injection Molding Machines require a PC Drive. Honestly the drives in those machines are not worth using due to the debris they collect so having a fresh clean drive is essential plus backing up old floppies is important. Buying disks is important too because you never know when you need a disk and it's not like you can run out and buy them. My company is about to sell off its oldest Machine and Robot and when they leave my factory, I will be the happiest person in the world because it's a major task to restore those machines when they lose their software. Yea you need an old PC running DOS, native serial port and or a working floppy drive.
@milk-it
@milk-it Жыл бұрын
This is why I'm a Patreon. Jan's videos are practical, homemade, and completely feasible for the average computer nerd. Danke Dir! Hast Du super gemacht 🙂.
@gertsy2000
@gertsy2000 Жыл бұрын
@jan beta. @17:48, I'm wondering if you unbridge the DS1 jumper on the board (It's just below the DS2 Jumper) that will in fact enable Drive Select 0 without having to cut traces.
@timjewell7492
@timjewell7492 Жыл бұрын
This is all very well and great. However, I am yet to see a video that shows a way to make the floppy drive's eject button line up with the case of the Amiga (1200) once everything is put back together, in a way it can be conventionally operated.
@SlCKB0Y-sb1kg
@SlCKB0Y-sb1kg Жыл бұрын
Really? Prepare to have your mind blown. If you Google “pc floppy amiga eject button adaptor” you will find many solutions to this problem. 🙄 it’s like magic!!
@Shmbler
@Shmbler Жыл бұрын
All my Amiga and Atari drives have been replaced by PC drives. Atari ST was a bit more complex because of the strange disk change detection. Good DD disks are increasingly hard to find, and new packs are pretty rare. Unlike the old drives, the modified PC drives can write to HD disks as long as the density hole is taped up or the switch is disabled. Never had a problem with modded Samsung SFD321-B drives.
@tnts999998
@tnts999998 Жыл бұрын
Whhhhhaaaat? Modified drive in Amiga enables "modern" floppies??? OMG!
@WinrichNaujoks
@WinrichNaujoks Жыл бұрын
How do you fit the face plates though? The PC drives dont fit in an Amiga/Atari.
@Shmbler
@Shmbler Жыл бұрын
​@@WinrichNaujoks The drive for the A500 needed a few mm of the top case half cut/folded back in the front to fit. Otherwise, both Amiga and SF314 just needed some ordinary standoffs and 3D printed buttons. The original front bezel of the PC drives has to be removed, of course.
@db_37205
@db_37205 Жыл бұрын
​@@WinrichNaujoksThe Samsung SDF321B drive plate needs to be removed for the A500/1200, and a 3D printed eject button (from Thingiverse) used instead. The top plate needs a little trimming near the front with kitchen scissors for the case top to fit.
@lovemadeinjapan
@lovemadeinjapan 2 ай бұрын
Just connect the HD selection pin to the GND, and all disks are treated as DD, no matter the hole. Saves a lot of messing around with tape, or worse, loose tape left behind inside the drive.
@proteque
@proteque Жыл бұрын
perfect timing! I need to do this!
@jjock3239
@jjock3239 Жыл бұрын
I enjoyed your video. I have a couple of modified Chinon, drives that were modified using your method. I also have two half height drives that I purchased, that both work as HD drives. I can't determine the brand of the drives, because they have a molded plastic cover. The rubberized case, has a Dell logo, showing they were originally meant as an external drive for a Dell computer. These drives were modified, by modifying the cable only.
@Qone78
@Qone78 Жыл бұрын
Awesome Video! Exactly what i was looking for since ages. I finally understood the conversion process... thanks alot.
@mophus6461
@mophus6461 Жыл бұрын
Ready signal is used for many if not the most Ndos games and demos. Its also practical to block the DD/HD sensor.
@Boris_Amiga1200
@Boris_Amiga1200 Жыл бұрын
Thanks Jan for this video! Just want to say that i converted one disk drive model Samsung sfd 321 b and it works nice in my Amiga 1200!
@wimwiddershins
@wimwiddershins Жыл бұрын
I managed to "convert" a PC drive back in the day by just trying random jumper placements (I didn't know what they did electrically). After that, Id always keep the salvaged PC drives with a full set of jumpers.
@borayurt66
@borayurt66 Жыл бұрын
Nice! I have an Alps PC FDD lying around, I just checked the web page you linked, and it has the mod description for that drive too. I will modify it to be used as an external (DF1) drive for my 500+ which has an internal Gotek. Thank you for the info.
@vanhetgoor
@vanhetgoor Жыл бұрын
So, it was all along an Amiga floppy in the hardware of an IBM Floppy. And everything that was needed was a good technician that helps the floppy in its transition into the Amiga world. By the way, the Commodore rainbow is the only rainbow I believe in. The pot of gold is never to be found with the natural rainbow.
@AJComputerServicesUK
@AJComputerServicesUK 6 ай бұрын
I recently modded a Samsung PC Floppy Drive which I pulled from an old Dell SFF PC to work with my A600, I just needed to move a couple of solder blobs & a install a jumper wire, I believe it works but need some Disks to test it with! Anthony - Birmingham/UK 🇬🇧
@freibier
@freibier Жыл бұрын
Good stuff, this could be very useful if my original Amiga disk drives decide to go to Commodore heaven.
@computer-itguys7090
@computer-itguys7090 Жыл бұрын
A really good test of the converted Drive is the Demo Sanity by Arte I believe. If that works then it' is 'Winner, winner Chicken Dinner'! Part 2 by Jan Beta: Disabling HD detection and converting Drive #2 DS by alternate route moving Jumper DS1 to DS0 and running above Demo to end the Video, LOL! Great job BTW. -Mark.
@amigacoverdisk
@amigacoverdisk Жыл бұрын
Nice vid thanks Jan! I remember when I got my Escom Amiga Technologies A1200, there was some problems with the compatibility of the drives the used. They did the same thing as here (iirc):- modified PC drives to use in the A1200. But there was a quite a number of games that would not work. Indianapolis 500 being one. I wonder how they cocked it up if it was this easy for them? Just lack of care/testing maybe?
@db_37205
@db_37205 Жыл бұрын
The reversal of both the Escom motherboard alterations and those of the floppy drive in the A1200 is simple, and takes less than 10 minutes.
@Jope9k
@Jope9k Жыл бұрын
They just didn't do it all the way. The drives are unmodified, instead they added a jumper to the motherboard to get diskchange to the right place. It's possible to revert the motherboard modification and modify the drive for real.
@jaycee1980
@jaycee1980 Жыл бұрын
The problem with the Escom boards is missing DSKRDY signal. The Amiga OS doesnt care about this as it uses a 500ms wait, but many trackloaders in games just wait for DSKRDY to become active - and they will hang if it doesnt
@PedroAlmeida1974
@PedroAlmeida1974 Жыл бұрын
Did I miss the Ready signal finding quest or it was not connected after all? Did you try copying a full disk with nibble copy and low RAM so you'd have to swap disks?
@tubedude54
@tubedude54 4 ай бұрын
Considering all the interest in the old computers like the Amiga I just cannot fathom why someone doesn't manufacture new drives for these machines! I would drop good money for reliable replacements for the 3 Amigas I own in a heartbeat!
@JanBeta
@JanBeta 4 ай бұрын
Some Amiga shops actually do sell reworked PC disk drives as new Amiga drives as far as I know. They charge premium money though. Getting a PC drive and modding it yourself is definitely less expensive. ;)
@giuseppelavecchia775
@giuseppelavecchia775 Жыл бұрын
Bel lavoro,questo è il modo migliore per avere dei buoni drive AMIGA,e a un buon prezzo
@gerteldering
@gerteldering Жыл бұрын
Hi Jan, did you receive my email from 27 september, regarding a Commodore calculator?
@enverhaase8562
@enverhaase8562 11 күн бұрын
22:42 "The cracktro for Turrican!" 24:31 "No piracy in this video!!" 😂
@JanBeta
@JanBeta 10 күн бұрын
Hey, at least I own the original Turrican, so it technically qualifies as a "legit backup"... ;)
@HartRaver
@HartRaver 10 ай бұрын
I have a external Amiga drive where drive don´t work..I would exchange that,but noticed the the external drive has only a 26 pin connector and no 4 pin power connector and the drive i wanna use has the regular pin amount for Amiga´s and 4 pin power. Do you know how to convert the 26 pins into a regular Amiga drive ?? Ever seen that before ?
@mal2ksc
@mal2ksc Ай бұрын
It seems to me that if you wanted, you could do all but one of the mods (the one XCopy requires) on the cable itself and not alter the drive at all. Then you could swap in another PC type drive in the future when this one dies, and not have to do the bulk of the mod again. If you took one of the connectors apart, you can swap lines around before putting it back together. Then you'd only have one mod to do to the drive itself and it's not necessary for doing basic things like testing, so you can grab any old drive off the shelf when you need it as long as you have your handmade "crossover" cable.
@LAGUNAMAN1972
@LAGUNAMAN1972 Жыл бұрын
Do you thing this will work on a amstrad cpc464 ddi-1 has mine stop working some time ago
@JanBeta
@JanBeta Жыл бұрын
I never owned a DDI-1 so I'm not sure. I think the drives use the Shugart standard as well but I think there are some more modifications needed to make a PC drive behave properly with the CPC.
@lovemadeinjapan
@lovemadeinjapan 2 ай бұрын
I do a similar thing for the P2000T, which shares the floppy controller design of the DDI-1 (µPD765 from NEC, Z80 CTC and shugart-pinout). It should work.
@bright-fy9mi
@bright-fy9mi 7 ай бұрын
Nice informative video. This might help me reanimating my Amiga. If you need to move the drive select from Pin 12 to pin 10, cant you just bridge pin 12 and 10? I guess since 12 is not used by Amiga, it does not matter that the signal arrives on both, 12 and 10? I imagine that easier than solder a wire on a tiny conductor path
@jensschroder8214
@jensschroder8214 Жыл бұрын
The problem was the Paula IC. This is not only responsible for the sound but also for the interrupts. Unfortunately, this IC only manages DD floppys and HD floppys at half the speed. But at half speed, HD disks become unreliable. Paula is too slow for HD at the right speed. The solution was often to install a standard floppy controller and bypass Paula. But these were then no longer bootable. Then there were circuits that shared a floppy between Paula and an additional floppy controller. Or two floppy drives were installed whereby the DD remained bootable and the second could then handle HD.
@jensschroder8214
@jensschroder8214 Жыл бұрын
The last produced A1200s had modified PC drives and XCopy didn't work.
@jensschroder8214
@jensschroder8214 Жыл бұрын
In Amiga times, HD floppy disks were often used in DD drives. DD disks were harder to come by.
@iamdarkyoshi
@iamdarkyoshi Жыл бұрын
I've had weird luck with my amiga 2000. Both floppies worked right off the bat, and after replacing one with a gotek drive I decided to store the other one inside the machine as a spare. Now if only I could find more amigas, they're even harder to find than the floppy drives
@RETROMachines
@RETROMachines Жыл бұрын
Really interesting.
@XMaximvsPayneX
@XMaximvsPayneX Жыл бұрын
could you please test giana sisters s.e. on this drive? i own a modified sony drive and use it in my amiga 1200. it works perfect with the only exception that giana sisters s.e. wont boot. regards
@HardQare
@HardQare Жыл бұрын
Will this disk drive work better with HD disks formated as 720 Kb?
@beigemachine549
@beigemachine549 Жыл бұрын
Great Video! My original 1200 Drive "ist Kaput!" and I replaced it with a Gotek. But I believe all I have to do is replace a few EL caps with some Mouser Ceramic equivalents. I will make every effort to revive it. Tcshuss! 😎
@JanBeta
@JanBeta Жыл бұрын
Caps are definitely an issue with the Amiga drives. In fact, I had to replace a leaky SMD electrolytic cap on my A1200 drive a while back when it suddenly stopped working. Came back to life instantly. Chances are yours has the same issue. I think it's usually a capacitor in the motor control circuit that brings these drives down.
@rjs1138
@rjs1138 Жыл бұрын
Interesting, I've had so much trouble with original FDD's going out of "alignment" and no longer reading discs. I found procedures to try and correct them but it was easier to get another. Maybe a subject for another video. 🤔
@AndreAguiar
@AndreAguiar Жыл бұрын
I just modified a TEAC drive. From my research it appeared to be one of the easier drives to modify. Paid $20 for it and hope to stick it into my A1000 as that drive has issues reading floppies.
@PixelMaker04
@PixelMaker04 Жыл бұрын
the 5volt for the new drives rather than 12volts might be why the ones I've tried with my amiga 500 stopped working after a few minutes using the internal drive power cable.
@Jope9k
@Jope9k Жыл бұрын
Some old A500s have drive power cables which are easy to plug in upside down. The grey flat cable types are the ones to be very careful with. Also A500 rev5 and older don't have any kind of keying at the motherboard end. Best double check with a multi meter. :-)
@NozomuYume
@NozomuYume Жыл бұрын
It'd be cool to do one of the projects like PCFloppy2Amiga that add an extra magnet to the flywheel to enable 150rpm on HD disks to make them compatible with Paula.
@mophus6461
@mophus6461 Жыл бұрын
Not all drives can hold stady 150rpm since they were pojected for 300.
@NozomuYume
@NozomuYume Жыл бұрын
@@mophus6461 Yeah it's a bit of a project to make it work. Requires picking the right drive and/or swapping the flywheel.
@magnustveten492
@magnustveten492 Жыл бұрын
Is there a link to such a diy project?
@NozomuYume
@NozomuYume Жыл бұрын
@@magnustveten492 PCFloppy2Amiga on Aminet, though you might not be able to source the exact floppy drive it uses.
@Mr.Unacceptable
@Mr.Unacceptable Жыл бұрын
I have been using these IDE cables in place of magnet wire for years. If you need wire with better insulation they are ideal. So easy to find but not any more.
@GeordieMarv
@GeordieMarv Жыл бұрын
Is it possible to convert a PC HD floppy to be able to read and format HD disks to 1.44mb on my A4000 or will it only do 880k ?
@JanBeta
@JanBeta Жыл бұрын
Not without a lot more modification unfortunately. I'm doing some research on that currently and it seems you can pull it off with certain Sony PC drives at least, using a GAL chip to accommodate for the changed logic to make the motor run at half speed for high density. Commodore's implementation of HD in the Amigas is one big workaround basically which complicates things significantly. :/
@Chrfilmer
@Chrfilmer Жыл бұрын
Das is ja cool. Wusste nicht das das so einfach geht.
@hiaslw.4871
@hiaslw.4871 Жыл бұрын
I would love to do that for my A2000, but I guess there are no PC Floppy drives which have the correct measures to fit seamlessly into the A2000 case? The original A2000 drives have 1.5x the height of the normal floppy drives :(
@Jope9k
@Jope9k Жыл бұрын
You could 3d-print one of those gotek a2000 frames that are floating around on the stl sites.
@Nikki.Penguin
@Nikki.Penguin 8 ай бұрын
Could I use the same drive with this modification in an MSX?
@JanBeta
@JanBeta 8 ай бұрын
I am not 100% sure (mostly because I haven't tried) but technically it should be compatible with all systems that require the Shugart standard after the mods. So, yes, the MSX should work. :)
@kjellmesch8060
@kjellmesch8060 Жыл бұрын
How about using HD disks? I have a Amiga 1.76Mb drive in my A3000. Can it be done, seems it should be possible.
@JanBeta
@JanBeta Жыл бұрын
I'm looking into that at the moment. It's not that trivial because you need some additional logic to be able to control the motor speed from the Amiga side (at least as far as I understand so far).
@kjellmesch8060
@kjellmesch8060 Жыл бұрын
Dreading the day my A3000 floppy drive dies, finding a replacement will not be easy.@@JanBeta
@peddersoldchap
@peddersoldchap Жыл бұрын
Hallo Jan. Isn't the enamel isolator of the wire going to melt with the heat of the solder, and thus no need to scratch it and risk breaking it?
@JanBeta
@JanBeta Жыл бұрын
Yes, that's how I usually do it. I just add some solder, leave the soldering iron on the wire for a bit and melt the insulation. That's why it's so convenient to work with this stuff doing these little modifications.
@jaycee1980
@jaycee1980 Жыл бұрын
Depends on the enamel used on the wire. Usually it's best to scrape it a bit to get it started- the solder flowing onto the bare copper usually does the rest
@MrRoelie
@MrRoelie Жыл бұрын
Can somebody tell me the game of the intro sound of Jan Beta. It is annoying me not to know although it was imprinted in my brain about 35 years ago. Thanks for helping me
@JanBeta
@JanBeta Жыл бұрын
It's from the C64 game "Flip & Flop". :)
@MrRoelie
@MrRoelie Жыл бұрын
@@JanBeta Thanks for answering! Love your channel!
@ralfderwerwurm6960
@ralfderwerwurm6960 Жыл бұрын
Sehr geil, Grüße von Deutschland nach Germany😁
@Gunstarrhero1
@Gunstarrhero1 Жыл бұрын
are you going to make hd density copies with the hd disk drive? id like to know how that works out
@db_37205
@db_37205 Жыл бұрын
A piece of cellophane tape
@Jope9k
@Jope9k Жыл бұрын
It will not work, proper Amiga HD drives emit a special ready pulse for the OS to detect high density and most importantly they spin at 150rpm in HD mode, so that Paula can keep up with the double bit rate of HD disks.
@Cyklonus
@Cyklonus Жыл бұрын
👍👍
@peddersoldchap
@peddersoldchap Жыл бұрын
Will it fit inside the amiga? Maybe a part 2 video please?
@JanBeta
@JanBeta Жыл бұрын
I might do another one where I modify it to fit the Amiga case. Usually the form factor of the PC drives is VERY similar, you might need some taller standoffs in case the drive is a "slimmer" model and you have to modify the eject button though.
@timjewell7492
@timjewell7492 Жыл бұрын
Yes please, I would love to see a video on how to get the eject button working properly once the Amiga is put back together! @@JanBeta
@peddersoldchap
@peddersoldchap Жыл бұрын
@@timjewell7492 Maybe with some 3d printing magic? ;)
@anotheruser9876
@anotheruser9876 Жыл бұрын
Wouldn't it have been easier to adapt the ribbon cable?
@Jope9k
@Jope9k Жыл бұрын
Usually you don't get the ready signal from anywhere without an internal modification to the drive.
@roheinz5007
@roheinz5007 Жыл бұрын
Awesome 🤩👍🏼
@DeputatKaktus
@DeputatKaktus Жыл бұрын
I am not using a lot of floppies anymore on my Amiga, mainly due to the reliability issues in both drives and disks. My main data storage is a Gotek with a thumb drive and HxC. This has the added benefit of not having to lug around boxes full of disks when going to conventions and the like. It is not like I hate floppies, on the contrary. And I still have the internal disk drive in my Amiga. But I do not want to have to rely on them exclusively. I will probably pick up a few spare drives, just in case.... ;-)
@lovemadeinjapan
@lovemadeinjapan 2 ай бұрын
I hate USB sticks. The ideal solution for me is a RAM based disk, that can be filled over the network (wifi/ethernet) from a second computer.
@vertigoz
@vertigoz Жыл бұрын
All your drives belong to us! xD
@JoeBlogs720
@JoeBlogs720 6 ай бұрын
I had to put a small dowel under the head spring to give a little more pressure to get mine working, over time the spring becomes weaker I guess.
@JanBeta
@JanBeta 6 ай бұрын
Yes, that happens sometimes. I worked on an ancient Matsushita drive that had that problem a while back. Glad you found a workaround. Re-tensioning those springs is not really feasible as far as I know because they are often extremely inaccessible (unless you dismantle the whole mechanism which probably ends with it being destroyed most of the times). 😅
@borayurt66
@borayurt66 Жыл бұрын
The question now is, can you cover the hole with tape and format an originally HD (1.44MB) floppy as a DD (720K) by using a modified drive like this? I know that original Amiga DD drives cannot format an HD floppy as DD by just covering the hole because of the magnetic flux difference between HD and DD diskettes, but if the drive is actually made for HD diskettes, then maybe it can be possible now. This would be something really awesome because HD floppies are still much easier and cheaper to get than DD ones.
@jaycee1980
@jaycee1980 Жыл бұрын
You can just bridge the HD detect switch in the drive, and it will always be in DD mode
@borayurt66
@borayurt66 Жыл бұрын
@@jaycee1980 Yes, better than taping the hole. But, will it format HD disks as DD? I have a box full of them that I absolutely have no use for. I would love to use them on the A500+
@lenm2857
@lenm2857 Жыл бұрын
I know that is supposed to be a problem, but half my disks back in the 90's were HD and I never had an issue.
@borayurt66
@borayurt66 Жыл бұрын
@@lenm2857 I know from first hand experience that you cannot format a HD floppy as a DD in the original DD drive. But never tried this with a modified HD drive.
@Jope9k
@Jope9k Жыл бұрын
Just try it and see. Maybe it will write ok. You do have to tape the HD detect hole to read/write DD bitrates though, else the drive's filters will ruin your fun. One trick is to also wipe the HD disk down with with a neodymium magnet before attempting to format it as DD, but this might be snake oil.
@Breakfast_of_Champions
@Breakfast_of_Champions Жыл бұрын
So theoretically this should work fine with HD disks and just format them as DD? Or even as double sized 1760k disks?
@MikeyN6IL
@MikeyN6IL Жыл бұрын
No. The magnetic material on HD disks has different properties than DD disks. If you tape over the hole on a HD disk and try to use it as a DD disk it will be unreliable. It may or may not work and if it works it may lose data over time. You really should use DD media for 720/800k and HD media for 1440k.
@Breakfast_of_Champions
@Breakfast_of_Champions Жыл бұрын
@@MikeyN6ILBut this is the appropriate HD head for HD disks. Only the track/sector layout is different from MessDOS?
@JanBeta
@JanBeta Жыл бұрын
Yes, it should. The head is an HD/DD capable head so I don't see why it wouldn't work with both HD and DD floppies. Even most original DD Amiga drives work quite reliably with HD disks in my experience. The Turrican disk I've shown is my usual Amiga test disk, and it's just a standard HD PC disk with the HD hole taped over. :)
@RacerX-
@RacerX- Жыл бұрын
@@Breakfast_of_Champions It will likely work but as stated it may not be reliable even though it is an HD drive. The HD drive can format and read/write to 720k media but it does this by falling back to DD mode. If you stick a HD disk in the drive with taped HD hole it will still put the drive in DD mode and use the appropriate write current, etc to utilize the disk. It was never meant to support 720k format on HD disks. So in the end YMMV but it is, as stated above, safer to use DD disks. I have some HD disks in my collection that were written on Amiga back then and they are still working but I also have some that are not. Of course I have DD disks that have failed left and right too so it is not a hard and fast rule.
@anakondase
@anakondase Жыл бұрын
@@RacerX- The problem with HD drives for the Amiga is that they run at half speed. These drives probably can't do that so using HD disks to get 1.76 MB won't work.
@computer-itguys7090
@computer-itguys7090 Жыл бұрын
Most ppl try and find a way to disable the HD detect as well. -Mark
@peteregan9750
@peteregan9750 Жыл бұрын
? why not change the driver board ?
@tekk9995
@tekk9995 Жыл бұрын
Jan Da Man!
@TzOk
@TzOk Жыл бұрын
Most PC drives will read only 80 tracks, this may be a problem on Atari ST or Amiga.
@hollgo626
@hollgo626 Жыл бұрын
Kurze Floppykabel brauchen nicht unbedingt eine Abschirmung, aber schon ab ca. 25 cm Kabellänge nimmt die EINSTREUUNG von Störsignalen schon deutlich zu. Die vielen Groundpins haben also schon ihre Berechtigung bei längeren Floppykabeln. In externen Laufwerken findet man dagegen schonmal nicht geschirmte Kabel mit nur 17 Pins....
@0ggie
@0ggie Жыл бұрын
I've never seen any new internal ones. I've only seen newly made external USB versions.
@JanBeta
@JanBeta Жыл бұрын
You may be correct. I've only seen USB ones lately, too. In any case, used classic internal PC drives are still widely available thankfully.
@Stefan_Payne
@Stefan_Payne Жыл бұрын
Wouldn't it be easier to use your Sponsor, PCBway, to make an Adaptor PCB for the drive? :)
@johnwells558
@johnwells558 Жыл бұрын
Dont a lot of these mainly Sony drives , works really well,
@twocvbloke
@twocvbloke Жыл бұрын
I've modified a few PC FDDs for use with Amigas, only had one which didn't really work well (seemed to have issues writing, but I put that down to the drive being flaky), the rest, no issues really, but I've yet to actually have an original Amiga drive fail as yet, which has probably just jinxed me and all my Amiga drives (both internals and externals) will just die for no reason now... :P
@JanBeta
@JanBeta Жыл бұрын
Hope you didn't jinx it! :D I had quite a few original Amiga drives failing over the years, some of them were recoverable but some were lost causes. Glad that modifying PC drives is not as difficult as I thought.
@twocvbloke
@twocvbloke Жыл бұрын
@@JanBeta It's certainly handy being able to modify the drives, some brands even have all the connections available as solder blob pads (versus the 0-Ohm link pads like what you had to deal with there) making conversion even simpler, I think places like Lemon Amiga and EAB have lists of easy-to-mod drives posted, so worth a look to mod some more as spare units... :)
@rosariodagosto6484
@rosariodagosto6484 Жыл бұрын
ARE YOU GOING TO TEACH US HOW TO MOD THIS DRIVE 😊😊😊
@jadefalke1977
@jadefalke1977 Жыл бұрын
I did this for an external drive 😂
@fu1r4
@fu1r4 Жыл бұрын
I have my X-COPY dongle lying around somewhere 😁
@tremorist
@tremorist Жыл бұрын
Since I got one of these nice aluminium shell handhelds from china, I find it hard to fire up original hardware :)
@picsnmorede
@picsnmorede Жыл бұрын
You are not done by far, yet... the real work just starts now: constructing an printing a fitting bezel and button, finding the correct colored PLA or resin, ... or do you want to motivate your viewers to destroy their Amiga cases?
@JanBeta
@JanBeta Жыл бұрын
I don't think you would need a bezel to fit this drive in an A500, just some properly sized standoffs. The button is the trickier part, especially since I don't have a 3d printer. :D There might be another video eventually...
@ronysol
@ronysol Ай бұрын
Could just rewire the cable
@andrewenglish3810
@andrewenglish3810 Жыл бұрын
Would love to see someone convert a Mac 2MB sony floppy drive to an Amiga. This way we could get 1.76MB out of it. :)
@jaycee1980
@jaycee1980 Жыл бұрын
Not likely. The reason the Amiga doesnt support high density drives is because Paula cannot handle the faster data rate.
@andrewenglish3810
@andrewenglish3810 Жыл бұрын
@@jaycee1980 That's not true, Amiga does support 1.76MB high density. Chris Edwards already did a video on this demostrating this, and I think some of the A4000's came with HD floppies if I remember.
@andrewenglish3810
@andrewenglish3810 Жыл бұрын
@@jaycee1980 Here you go, the A3000 came with high density floppy drives, Chris shows they work fine on the A2000. kzbin.info/www/bejne/eYewpWefaKeAmK8si=6TbIGAfzQ8uIkvk7
@jaycee1980
@jaycee1980 Жыл бұрын
​@@andrewenglish3810It supports them with a non standard drive that spins at half the speed, so halves the data rate. It's a hack really, and the HD drives that do it are quite hard to get hold of. A standard PC high density drive cannot be used, at least not directly.
@COMATRON.
@COMATRON. Жыл бұрын
someone should make some adapters for this drive solutions :) you ^ commenter there, it's your turn!
@UberAlphaSirus
@UberAlphaSirus Жыл бұрын
I think they do already
@Jope9k
@Jope9k Жыл бұрын
You can buy some from Ian Stedman
@KevinFarleyWV
@KevinFarleyWV Жыл бұрын
Did I miss something or did he not show a test of writing to the floppy? That would be my question. You have shown reading, it's now time to see writing.
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