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Groups > comp.sys.ibm.ps2.hardware > #71526

Re: W95 and SCSI

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 From a cursory surf, I'd say no.

My SWAG would be looking at the NT miniport... Not what you wandted to 
hear...

Josh Rodd wrote:
> Aha... I recall those drivers now, and they are state of the art.
> 
> Was there ever an ABIOS disk driver for Windows 95? I know NT had one,
> called, well, ABIOSDSK.SYS.
> 
> ABIOSDSK.386 should not be considered to be "high performance" just yet.
> It does its fair share of double buffering to avoid the pitfalls of DMA.
> 
> Louis Ohland <ohland@charter.net> wrote:
>> Unal Z and WBST snuck out for some really good smokes. They aren't
>> taking any text messages.
>>
>> https://ardent-tool.com/utils/#Win_Utils
>>
>> SPOCK206.ZIP SPOCK206 Driver for Windows 95/98 by Unal Z (info)
>> https://ardent-tool.com/IBM_SCSI/spock206.html
>>
>> SPOCK2NT.ZIP SPOCK206 Driver for Windows NT by Unal Z (info)
>> https://ardent-tool.com/IBM_SCSI/spock206.html
>>
>> AHA206.ZIP AHA-1640 Windows 95/98 driver by Unal Z (info)
>> https://ardent-tool.com/SCSI/aha206.html
>>
>> Josh Rodd wrote:
>>> Presenting ABIOSDSK.386: 32-bit disk access finally gets here for your
>>> PS/2 with gigantic, clanking MFM drives and irreplaceable ESDI drives.
>>>
>>> This has been about 35 years in coming, ever since as a sprightly 11
>>> year old I was miffed that my fancy PS/2 P70 just wouldn't let me click
>>> the "32-bit Disk Access", despite me barely understanding what was even
>>> for. Of course, we now know that that means you can do things like open
>>> a couple DOS windows on your 2MB machine and listen to the fixed disk
>>> (or, more likely, a hard drive, since this wasn't happening on real IBM
>>> computers with real IBM fixed disk adapters/A) thrash like crazy.
>>>
>>> Nonetheless, here it is. It is based on IBM2ADSK.ADD from the OS/2 DDK
>>> and WDCTRL from the Windows 3.1 DDK. So far, testing has been really
>>> thorough: I tested it on 86Box with a Type 2 Model 80, ESDI adapter
>>> card, PC DOS 3.30, 4MB and 2MB configurations, Windows 3.1. A test suite
>>> program is included which tries to really exercise the disk and get
>>> Windows' multitasking really crankin' with a couple DOS windows open.
>>>
>>> Download it for yourself at:
>>> https://github.com/sbooks-org/ABIOSDSK386
>>> Direct link for 720kB floppy image, because how else would you get it on
>>> your PS/2?
>>> https://github.com/sbooks-org/ABIOSDSK386/releases/download/v0.90/ABIOSDSK.IMG
>>>
>>> No warranty is implied, particularly given this is the kind of code
>>> whose failure mode will mean you get to reformat your fixed disk and
>>> reinstall everything.
>>>
>>> I plan to do SCSI support next (it's easier than it sounds; it's just
>>> another ABIOS interface). Can someone remind me what the state of
>>> Windows 95 support for ABIOS disk adapters (MFM, ESDI, etc.) and the
>>> PS/2 SCSI adapter is?
>>>
> 
> 

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Thread

ABIOSDSK.386: 32-bit disk access for your PS/2's MFM and ESDI drives "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 02:48 +0000
  W95 and SCSI Louis Ohland <ohland@charter.net> - 2026-08-07 22:06 -0500
    Re: W95 and SCSI "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 03:10 +0000
      Re: W95 and SCSI Louis Ohland <ohland@charter.net> - 2026-08-07 22:33 -0500
        Re: W95 and SCSI "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 14:33 +0000
  FD had 32-bit BDA? Louis Ohland <ohland@charter.net> - 2026-08-07 22:08 -0500
    Re: FD had 32-bit BDA? "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 03:11 +0000
    Re: FD had 32-bit BDA? "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 03:12 +0000
  These are not the hard drives you are looking for Re: ABIOSDSK.386 Louis Ohland <ohland@charter.net> - 2026-08-08 07:03 -0500
    Re: These are not the hard drives you are looking for Re: ABIOSDSK.386 "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 14:27 +0000
      -TC on A30 Re: ABIOSDSK.386 Louis Ohland <ohland@charter.net> - 2026-08-08 09:44 -0500
        Re: -TC on A30 Re: ABIOSDSK.386 "Josh Rodd" <joshua.at.rodd.dot.us@rodd.us> - 2026-08-08 14:55 +0000

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