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Gotek like Optical Driver Emulator - Is it possible?

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Reply 540 of 551, by RetroPCCupboard

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red_avatar wrote on 2024-12-11, 10:42:

I'm still keeping an eye on this topic - spent a whole afternoon last weekend trying to find a CD drive that was (a) still working smoothly and (b) could be slowed down. I have dozens but they're becoming noisy & unreliable and not all support the slowing down - for DOS games they're extremely loud. Having a board emulate a drive with a display would be awesome to have - even better to have multiple buttons and not just a rotary button which is very slow in use.

I have had a crazy idea on what to do with my Tattiebogle. I want to take an optical drive that no longer reads and put the Tattiebogle inside along with a Raspberry Pi. When pressing the eject button the tray would come out and inside would be a touch screen interface controlled by the Pi. It would allow you to scroll through your disk images via an Icon interface.

For me, this would be perfect for my early FMV games that have multiple disks. 7th Guest, 11th Hour, Phantasmagoria, Tex Murphy Overseer, Wing Commander games, Star Trek Borg, Star Trek Klingon etc. As well as all early games that used redbook audio.

Reply 541 of 551, by mbalmer

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Lostdotfish wrote on 2024-11-24, 16:29:

I'm kinda holdling out for Gotek style directory and image browsing via a separate screen and encoder/buttons - we'll see

It should be noted that there is already a provision for a Gotek-like interface. It's not identical to it, but that's also because there are some quirks of navigating directories for image files versus when you're using them to distinguish BIN/CUE folders. A lot of the functionality here is being fleshed out, but it's quite functional and it works well.

At the moment, the control board is a DIY thing; you can get the gerbers for the current revision of the control board here. There are automated build files in the release that will take care of most of the SMT soldering for you. The only thing you'd need to solder yourself are the through-hole components (the rotary, header for the OLED, and the two tactile switches) and the Qwiic connector footprint on the same edge of the board as the rotary encoder.

If you want to just build it yourself, it's pretty inexpensive to make. You do need to be willing to solder some fairly fine-pitch components (namely the I2C expander chip on the back and the Qwiic connector), however.

Reply 542 of 551, by red_avatar

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RetroPCCupboard wrote on 2024-12-11, 11:12:
red_avatar wrote on 2024-12-11, 10:42:

I'm still keeping an eye on this topic - spent a whole afternoon last weekend trying to find a CD drive that was (a) still working smoothly and (b) could be slowed down. I have dozens but they're becoming noisy & unreliable and not all support the slowing down - for DOS games they're extremely loud. Having a board emulate a drive with a display would be awesome to have - even better to have multiple buttons and not just a rotary button which is very slow in use.

I have had a crazy idea on what to do with my Tattiebogle. I want to take an optical drive that no longer reads and put the Tattiebogle inside along with a Raspberry Pi. When pressing the eject button the tray would come out and inside would be a touch screen interface controlled by the Pi. It would allow you to scroll through your disk images via an Icon interface.

For me, this would be perfect for my early FMV games that have multiple disks. 7th Guest, 11th Hour, Phantasmagoria, Tex Murphy Overseer, Wing Commander games, Star Trek Borg, Star Trek Klingon etc. As well as all early games that used redbook audio.

Yeah it's always a balance between nostalgia & keeping it authentic vs having modern conveniences.

The absolute best solution would be to keep it all internal, keep the CD drive active as secondary device and run the FPGA off the slave port while using wifi to configure which image is active. Heck, the ability to transfer images via wifi would be amazing since it would allow for a fully invisible system without requiring to open up the machine.

One of the things that "bug" me is how the available screens are anything but retro looking - a dot matrix screen like this would fit rather nicely since the tech existed way back as well:

WG12864I.jpg

An alternative is to write a DOS & Windows 9X tool that can communicate with the drive to list the available images allowing you to select one by name or number. This would allow for invisible use as well but the question is how easy it would be to write such a tool.

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Reply 543 of 551, by electric_monk

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RetroPCCupboard wrote on 2024-12-11, 10:38:

Great to hear that you are still around. Are you aware of the issue where commands to stop CD audio playback are ignored? If so, is there a fix for it? I could send you logs I think if you can't reproduce the issue. This was one of the main reasons I don't use it.

I hadn't heard of that specific issue - a few people reported some mild audio issues (mostly specific DOS games doing specific things that didn't get handled right so it just didn't start or started the wrong music/etc.) that I'd fixed, but I don't recall that specific issue. Seeing the logs would be a good start, thanks!

Reply 544 of 551, by mbalmer

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Anyone who's watching this topic might want to check out this post. The ZuluIDE has hit a couple of milestones lately that really make it much more fully fleshed-out and "ready for prime-time," IMO.

Additionally, I've been working with the dev team on getting their documentation written to be more comprehensive, so if you happen to have one of these devices and you've come across something that you think needs to be noted, please let me know.

Reply 545 of 551, by weedeewee

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mbalmer wrote on 2025-01-19, 16:37:

Anyone who's watching this topic might want to check out this post. The ZuluIDE has hit a couple of milestones lately that really make it much more fully fleshed-out and "ready for prime-time," IMO.

Additionally, I've been working with the dev team on getting their documentation written to be more comprehensive, so if you happen to have one of these devices and you've come across something that you think needs to be noted, please let me know.

I was wondering if the zuluide can be made to support ATA devices, like harddrives, and if possible even support two devices.
Can the hardware as it is now, support that ?

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Reply 546 of 551, by RetroPCCupboard

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red_avatar wrote on 2024-12-12, 08:11:
Yeah it's always a balance between nostalgia & keeping it authentic vs having modern conveniences. […]
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Yeah it's always a balance between nostalgia & keeping it authentic vs having modern conveniences.

The absolute best solution would be to keep it all internal, keep the CD drive active as secondary device and run the FPGA off the slave port while using wifi to configure which image is active. Heck, the ability to transfer images via wifi would be amazing since it would allow for a fully invisible system without requiring to open up the machine.

One of the things that "bug" me is how the available screens are anything but retro looking - a dot matrix screen like this would fit rather nicely since the tech existed way back as well:

WG12864I.jpg

An alternative is to write a DOS & Windows 9X tool that can communicate with the drive to list the available images allowing you to select one by name or number. This would allow for invisible use as well but the question is how easy it would be to write such a tool.

Yeah, I want to keep the look of my PC. That's why I want to hide the interface in a broken CD drive. Another alternative is that I have got a couple of tiny Pi Pico screens. Basically the size of a computer label. One that might have the Windows logo or brand sticker. It may be possible to embed one of those in the case, so normally it looks like a sticker. But if you want to change something you can press buttons to interact with it.

I don't want to have two CD drives simultaneously for my DOS machine. Many games will assume the game is in the first drive, or will store the drive letter it was installed from. A better solution I think is to have the ability to switch which drive is active. Even better would be having the simulator always active, and have a CD drive connected to it (probably a USB one) and for the simulator device to be able to rip its own copies.

As for the DOS or windows tool, there is already an API that allows you to control the simulator via custom commands over IDE interface. I think I saw a DOS program that could do it at some point, but I can't find it now. I think the issue with DOS command line tools is that it's only suitable before you launch the game. If you are playing a multi-disk game that asks you to swap disk whilst in the game then it would require a tool that stays resident in memory. Speaking of which, the tattiebogle doesn't currently work very well for me on swapping images in DOS. DOS doesn't detect that the disk changed unless I remove the virtual disk, make DOS try to read it (and fail) then select another disk image. I am hoping this issue will be fixed.

Reply 547 of 551, by mbalmer

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weedeewee wrote on 2025-01-19, 17:48:

I was wondering if the zuluide can be made to support ATA devices, like harddrives, and if possible even support two devices.
Can the hardware as it is now, support that ?

The ZuluIDE actually does, in fact, support emulation of hard disks. It's one of the newer features added (along with CD audio), so the more folks out there using it, the better it will get.

As for dual-device support, that's not been something that's on the radar as we've mostly been focused on stability of non-optical drive modes, and cranking the speed of things up as far as we can get it to go, but that's a great idea. Feel free to put up a request on the Github for it and it can be something we look into.

Reply 548 of 551, by RetroPCCupboard

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I spent much of the last couple of days ripping my CDs to images and loading up my 256gb SD card for my Pentium MMX system with the TattieBogle IDE simulator. Loving the device so far, and the dev has been very responsive to my questions.

So far I've only used 74Gb of the 256gb, with these images:

577M Jan 23 14:40  11HOUR_1.bin
71 Jan 23 14:38 11HOUR_1.cue
715M Jan 23 14:43 11HOUR_2.bin
71 Jan 23 14:40 11HOUR_2.cue
654M Jan 23 14:46 11HOUR_3.bin
71 Jan 23 14:43 11HOUR_3.cue
692M Jan 23 14:49 11HOUR_4.bin
71 Jan 23 14:46 11HOUR_4.cue
338M Jan 23 17:28 ALONDARK.bin
715 Jan 23 17:26 ALONDARK.cue
672M Jan 23 10:51 AOE2.bin
655M Jan 23 11:10 AOE2CONQ.bin
130 Jan 23 10:53 AOE2CONQ.cue
126 Jan 23 10:30 AOE2.cue
309M Jan 18 13:43 AOE.bin
66 Jan 18 13:42 AOE.cue
681M Jan 23 14:17 BLDRUN_1.bin
71 Jan 23 14:15 BLDRUN_1.cue
692M Jan 23 14:20 BLDRUN_2.bin
71 Jan 23 14:18 BLDRUN_2.cue
652M Jan 23 14:24 BLDRUN_3.bin
71 Jan 23 14:22 BLDRUN_3.cue
637M Jan 23 14:31 BLDRUN_4.bin
71 Jan 23 14:29 BLDRUN_4.cue
559M Jan 22 17:13 BORG1.bin
68 Jan 22 17:11 BORG1.cue
727M Jan 22 17:18 BORG2.bin
68 Jan 22 17:16 BORG2.cue
709M Jan 22 17:21 BORG3.bin
68 Jan 22 17:19 BORG3.cue
605M Jan 23 20:29 CAPTLISM.bin
403 Jan 23 20:27 CAPTLISM.cue
726M Jan 22 14:39 CARMA1.bin
401 Jan 22 14:37 CARMA1.cue
705M Jan 22 15:52 CARMA2.bin
401 Jan 22 14:55 CARMA2.cue
663M Jan 23 11:54 'C&C_D1.bin'
69 Jan 23 11:52 'C&C_D1.cue'
645M Jan 23 12:01 'C&C_D2.bin'
69 Jan 23 11:59 'C&C_D2.cue'
650M Jan 23 16:44 'C&C_RA_1.bin'
71 Jan 23 16:42 'C&C_RA_1.cue'
690M Jan 23 16:49 'C&C_RA_2.bin'
71 Jan 23 16:46 'C&C_RA_2.cue'
584M Jan 22 19:45 CIV_II.bin
440 Jan 22 19:43 CIV_II.cue
769M Jan 23 11:33 CMMANDOS.bin
244 Jan 23 16:44 CMMANDOS.cue
728M Jan 22 18:49 CROC.bin
1.7K Jan 22 18:46 CROC.cue
724M Jan 22 18:18 CYDONIA1.bin
71 Jan 22 18:16 CYDONIA1.cue
715M Jan 22 18:23 CYDONIA2.bin
71 Jan 22 18:20 CYDONIA2.cue
727M Jan 22 18:26 CYDONIA3.bin
71 Jan 22 18:24 CYDONIA3.cue
718M Jan 22 18:40 CYDONIA4.bin
71 Jan 22 18:38 CYDONIA4.cue
719M Jan 22 18:44 CYDONIA5.bin
71 Jan 22 18:41 CYDONIA5.cue
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616M Jan 23 16:54  DDERBY1.bin
831 Jan 23 16:52 DDERBY1.cue
652M Jan 23 16:58 DDERBY2.bin
792 Jan 23 16:55 DDERBY2.cue
327M Jan 22 23:27 DOTT.bin
67 Jan 22 23:25 DOTT.cue
115M Jan 23 21:22 DUKE3D.bin
69 Jan 23 21:22 DUKE3D.cue
632M Jan 23 11:42 EARTHWRM.bin
1.2K Jan 23 11:40 EARTHWRM.cue
747M Jan 22 16:07 FEEBLE1.bin
70 Jan 22 16:04 FEEBLE1.cue
747M Jan 22 16:11 FEEBLE2.bin
70 Jan 22 16:08 FEEBLE2.cue
472M Jan 23 16:31 FLTUN2_1.bin
71 Jan 23 16:29 FLTUN2_1.cue
700M Jan 23 16:34 FLTUN2_2.bin
71 Jan 23 16:32 FLTUN2_2.cue
633M Jan 23 22:37 FORSAKEN.bin
442 Jan 23 22:35 FORSAKEN.cue
614M Jan 23 14:36 FULTHROT.bin
71 Jan 23 14:34 FULTHROT.cue
430M Jan 23 17:07 FURY3.bin
283 Jan 23 17:06 FURY3.cue
746M Jan 22 18:15 GPOLICE.bin
480 Jan 22 18:10 GPOLICE.cue
729M Jan 23 21:48 GRIMFAN1.bin
71 Jan 23 21:46 GRIMFAN1.cue
727M Jan 23 21:51 GRIMFAN2.bin
71 Jan 23 21:49 GRIMFAN2.cue
523M Jan 23 10:27 GTA2.bin
67 Jan 23 10:25 GTA2.cue
720M Jan 18 13:28 GTA.bin
476 Jan 18 13:26 GTA.cue
718M Jan 23 10:23 GTALOND.bin
675 Jan 23 10:21 GTALOND.cue
537M Jan 23 11:18 HUNTERHH.bin
481 Jan 23 11:16 HUNTERHH.cue
256M Jan 23 21:37 HVYGEAR1.bin
71 Jan 23 21:36 HVYGEAR1.cue
550M Jan 23 21:40 HVYGEAR2.bin
520 Jan 23 21:38 HVYGEAR2.cue
5.7M Jan 22 16:21 IJ3_CRUS.bin
71 Jan 22 16:21 IJ3_CRUS.cue
182M Jan 22 16:19 IJ4_ATL.bin
73 Jan 22 16:24 IJ4_ATL.cue
377M Jan 23 17:17 KHG_D1.bin
69 Jan 23 17:15 KHG_D1.cue
715M Jan 23 17:20 KHG_D2.bin
362 Jan 23 17:18 KHG_D2.cue
677M Jan 23 20:58 KINGSQ7.bin
70 Jan 23 20:55 KINGSQ7.cue
622M Jan 22 17:25 KLINGON1.bin
71 Jan 22 17:23 KLINGON1.cue
635M Jan 22 17:28 KLINGON2.bin
71 Jan 22 17:26 KLINGON2.cue
673M Jan 22 17:31 KLINGON3.bin
130 Jan 22 17:29 KLINGON3.cue
573M Jan 23 20:50 LEGOCHES.bin
71 Jan 23 20:48 LEGOCHES.cue
628M Jan 23 20:05 LONGBOW.bin
70 Jan 23 20:03 LONGBOW.cue
717M Jan 23 18:49 MANXTT.bin
752 Jan 23 18:47 MANXTT.cue
714M Jan 23 21:26 MECHW2.bin
642M Jan 23 21:35 MECHW2BL.bin
871 Jan 23 21:33 MECHW2BL.cue
1.1K Jan 23 21:24 MECHW2.cue
481M Jan 21 17:43 MNKY_1_2.bin
1.1K Jan 21 17:41 MNKY_1_2.cue
624M Jan 21 16:44 MTM2.bin
67 Jan 21 16:42 MTM2.cue
140M Jan 23 21:42 NASCAR.bin
167 Jan 23 21:41 NASCAR.cue
692M Jan 21 16:41 NFSIISE.bin
70 Jan 21 16:38 NFSIISE.cue
625M Jan 21 15:09 NFSSE.bin
68 Jan 21 15:07 NFSSE.cue
506M Sep 10 2007 'Office 2k Pro.iso'
722M Jan 23 13:28 OVERSEE1.bin
71 Jan 23 13:26 OVERSEE1.cue
727M Jan 23 13:33 OVERSEE2.bin
71 Jan 23 13:31 OVERSEE2.cue
742M Jan 23 13:37 OVERSEE3.bin
71 Jan 23 13:35 OVERSEE3.cue
705M Jan 23 13:41 OVERSEE4.bin
71 Jan 23 13:38 OVERSEE4.cue
747M Jan 23 13:44 OVERSEE5.bin
71 Jan 23 13:42 OVERSEE5.cue
677M Jan 18 13:02 PHANTAS1.bin
71 Jan 18 13:00 PHANTAS1.cue
568M Jan 23 13:51 PHANTAS2.bin
71 Jan 23 13:49 PHANTAS2.cue
704M Jan 23 13:55 PHANTAS3.bin
71 Jan 23 13:52 PHANTAS3.cue
708M Jan 23 13:59 PHANTAS4.bin
71 Jan 23 13:56 PHANTAS4.cue
682M Jan 23 14:03 PHANTAS5.bin
71 Jan 23 14:00 PHANTAS5.cue
707M Jan 23 14:06 PHANTAS6.bin
71 Jan 23 14:04 PHANTAS6.cue
574M Jan 23 14:10 PHANTAS7.bin
71 Jan 23 14:08 PHANTAS7.cue
781M Jan 23 11:38 PHAROAH.bin
70 Jan 23 11:35 PHAROAH.cue
552M Jan 21 13:17 POD.bin
125 Jan 21 13:15 POD.cue
317M Jan 22 18:51 POWERF1.bin
246 Jan 22 18:50 POWERF1.cue
688M Jan 18 13:34 PRIV2D1.BIN
70 Jan 18 17:39 PRIV2D1.CUE
701M Jan 18 13:38 PRIV2D2.BIN
70 Jan 18 20:42 PRIV2D2.CUE
585M Jan 22 21:02 PRIV2_D3.bin
71 Jan 22 21:01 PRIV2_D3.cue
633M May 15 2023 QUAKE101.BIN
481 May 15 2023 QUAKE101.CUE
485M Jan 23 21:13 RALYCHMP.bin
637 Jan 23 21:11 RALYCHMP.cue
256M Jan 23 11:45 RCTYCOON.bin
71 Jan 23 11:44 RCTYCOON.cue
645M Jan 22 22:25 RLR.bin
320 Jan 22 22:23 RLR.cue
358M Jan 22 23:29 SAMNMAX.bin
246 Jan 22 23:27 SAMNMAX.cue
236M Jan 23 12:10 SC2000.bin
69 Jan 23 12:04 SC2000.cue
595M Jan 23 12:46 SC3000.bin
69 Jan 23 12:44 SC3000.cue
541M Jan 23 21:01 SCRMRALY.bin
403 Jan 23 20:59 SCRMRALY.cue
395M Jan 23 12:54 SIMISLE.bin
70 Jan 23 12:53 SIMISLE.cue
218M Jan 22 19:00 SIMON1.bin
69 Jan 22 18:59 SIMON1.cue
208M Jan 22 19:05 SIMON2.bin
69 Jan 22 19:04 SIMON2.cue
41M Jan 23 13:21 SIMTOWER.bin
71 Jan 23 13:20 SIMTOWER.cue
204M Jan 23 13:24 SIMTUNES.bin
71 Jan 23 13:23 SIMTUNES.cue
205M Jan 22 16:16 STSPUZZ.bin
70 Jan 22 16:16 STSPUZZ.cue
747M Jan 23 17:01 ST_UNITY.bin
71 Jan 23 16:59 ST_UNITY.cue
637M Jan 21 13:05 SUBCULT.bin
519 Jan 21 13:02 SUBCULT.cue
61M Jan 22 21:52 SYNDICAT.bin
71 Jan 22 21:52 SYNDICAT.cue
734M Jan 22 21:50 SYNDWARS.bin
208 Jan 22 21:46 SYNDWARS.cue
203M Dec 8 2007 THMHOSPL.iso
603M Jan 22 17:40 TIMECOMM.bin
169 Jan 22 17:37 TIMECOMM.cue
506M Jan 23 20:32 TNICTRBL.bin
71 Jan 23 20:30 TNICTRBL.cue
717M Jan 23 21:45 TOCA.bin
282 Jan 23 21:43 TOCA.cue
186M Jan 23 17:04 TRMVELOC.bin
71 Jan 23 17:03 TRMVELOC.cue
483M Jan 23 17:14 UNREAL.bin
69 Jan 23 17:12 UNREAL.cue
642M Jan 22 21:07 WC3_D1.bin
69 Jan 22 21:05 WC3_D1.cue
620M Jan 22 21:10 WC3_D2.bin
69 Jan 22 21:08 WC3_D2.cue
633M Jan 22 21:14 WC3_D3.bin
69 Jan 22 21:12 WC3_D3.cue
644M Jan 22 21:16 WC3_D4.bin
69 Jan 22 21:14 WC3_D4.cue
684M Jan 22 21:20 WC4_D1.bin
69 Jan 22 21:18 WC4_D1.cue
702M Jan 22 21:23 WC4_D2.bin
69 Jan 22 21:21 WC4_D2.cue
694M Jan 22 21:31 WC4_D3.bin
69 Jan 22 21:29 WC4_D3.cue
709M Jan 22 21:35 WC4_D4.bin
69 Jan 22 21:32 WC4_D4.cue
692M Jan 22 21:39 WC4_D5.bin
69 Jan 22 21:37 WC4_D5.cue
633M Jan 22 21:42 WC4_D6.bin
69 Jan 22 21:40 WC4_D6.cue
713M Jan 22 21:56 WCPRO_D1.bin
71 Jan 22 21:54 WCPRO_D1.cue
712M Jan 22 22:00 WCPRO_D2.bin
71 Jan 22 21:58 WCPRO_D2.cue
582M Jan 22 22:04 WCPRO_D3.bin
71 Jan 22 22:02 WCPRO_D3.cue
229M Jan 22 22:06 WCPRO_SO.bin
71 Jan 22 22:05 WCPRO_SO.cue
36M Jan 23 11:20 WINLEMM.bin
70 Jan 23 11:20 WINLEMM.cue
50M Jan 23 19:59 WOLFPACK.bin
71 Jan 23 19:59 WOLFPACK.cue
761M Jan 22 20:02 WORMS1.bin
752 Jan 22 19:59 WORMS1.cue
714M Jan 22 20:16 WORMS2A.bin
70 Jan 22 20:14 WORMS2A.cue
716M Jan 22 20:06 WORMS2.bin
557 Jan 22 20:03 WORMS2.cue
CD Images

I'm sure you can guess what many of those are! The device does support long filenames with spaces, but I'm using short ones as I'm currently switching images from the commandline, and I'm less likely to make a mistake with a short name.

I haven't yet tried all of those images, but those that I have tried do work (including with CD audio). The only ones I have had issues with are the ones with copy protection. Age of Empires 2 (and it's expansion) and Carmageddon 2. The PC can read the disk fine, and will install. But the games won't start and say I need to insert the disk. Presumably a no-cd crack is required for those to work.

Reply 550 of 551, by SScorpio

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douglar wrote on 2025-01-26, 12:52:

https://reverb.com/item/25779523-akai-mpc-200 … wap-flash-drive

Anyone ever mess around with one of these?

The fact that the volume size is fixed at about 1GB and that it requires ATAPI to do hot swap makes me think that it reports itself as an optical drive.

No, but I doubt it does. It's writable and the listing mentions it being a removal disk working like a zip drive. Those were available as both ATAPI and SCSI, along with other options like SuperDisk and Jazz.

Reply 551 of 551, by douglar

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SScorpio wrote on 2025-01-26, 14:33:
douglar wrote on 2025-01-26, 12:52:

https://reverb.com/item/25779523-akai-mpc-200 … wap-flash-drive

Anyone ever mess around with one of these?

The fact that the volume size is fixed at about 1GB and that it requires ATAPI to do hot swap makes me think that it reports itself as an optical drive.

No, but I doubt it does. It's writable and the listing mentions it being a removal disk working like a zip drive. Those were available as both ATAPI and SCSI, along with other options like SuperDisk and Jazz.

OK, makes sense. The synthesizers that the device is designed to work with accepted 1GB Jaz drives, so it probably emulates something close to that. I bet you could install Dos or Win98 on them if you had BIOS support*, but WinXP would probably throw an error during install because of "removable media".

* Or you could use it as a secondary storage device with a driver