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Re: How to clone SCSI HDD's from Adaptec AHA-2842A (VLB)

Posted on 2018-09-15, 00:12

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My question is, how do I fix that? Will clonning the HDD using the target SCSI card (2842A VLB) fix it, or is the translation stuck on 64 head / 32 sector? fdisk /mbr ? low-level format? Or will the clonning adjust the translation to 255 head / 63 sector? Perhaps it helps to use a hex editor and …

Re: How to clone SCSI HDD's from Adaptec AHA-2842A (VLB)

Posted on 2018-09-14, 13:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

feipoa wrote: Disruptor, is that all you did? I used my MS-DOS 6.22 and did not load any driver but ASPI7DOS.SYS I did not use the boot disk. Perhaps it helps to use a hex editor and zero all bytes in partition sector. Then cold boot the computer.

Re: How to clone SCSI HDD's from Adaptec AHA-2842A (VLB)

Posted on 2018-09-14, 12:31

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I don't have had problems with my EISA 2740W using ASPI7DOS.SYS and DOS based Ghost 2003. My translation is C-255-63. I don't have created partitions beyond the 8 GB limit. What translations are in your partition sectors?

Re: 486 build advice - parts list ?

Posted on 2018-08-29, 12:31

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Do not take the Adaptec card, it's a non-busmaster SCSI adapter except you have SCSI drives. The Promise EIDEmax seems to have a BIOS that may support IDE discs greater than 2 GB. But it does not have any floppy or RS-232 connector. Perhaps you can use one of your other controller cards with …

Re: 486 build advice - parts list ?

Posted on 2018-08-29, 09:12

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Try to use 8 MB RAM (8x 1 MB). (30 pin, 70 ns, FPM). I don't think there are 30 pin EDO SIMMs. A DX2/66 should be fine. Take the ET4000 graphics card.

No rush

Posted on 2018-08-23, 03:12

in Marvin \ System Specs

in Marvin \ System Specs

Yeah, zergling rush. On a 486. 😀

ATI Rage II+DVD

Posted on 2018-08-23, 01:35

in Marvin \ System Specs

in Marvin \ System Specs

I will try to get the BIOS for you. But it may take a few days...

Re: AMD 5x86 X5-133

Posted on 2018-08-23, 01:03

in Marvin \ System Specs

in Marvin \ System Specs

If you are interested in DVD playback on a socket 3, you might be interested in finding a Dxr2 decoder card. https://www.vogons.org/viewtopic.php?p=225174#p225174 What do you think of using an ATI 3D RAGE II+DVD in a socket 3 board? What drivers do you recommend, what DVD playback software supports …

Re: Help Needed: Can I Save This M919?

Posted on 2018-08-19, 01:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Radroadrunner wrote: ...I'm getting noise through my Aztech card whenever it attempts to do a DMA for digital samples. Not sure if it's the card or board. What type of Aztech card is it? Some of them are really noisy during HDD access.

Re: What is a good 486-dx4 era appropriate Hard Drive?

Posted on 2018-08-15, 16:58

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

dionb wrote: Don't expect SCSI to help in the noise department though... these were high-performance parts with even less attention to acoustics than IDE drives of the era. My IBM DCAS was not that loud.

Re: What is a good 486-dx4 era appropriate Hard Drive?

Posted on 2018-08-14, 23:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

To minimize CPU usage I'd prefer SCSI HDDs. Anything from 2 to 8 GB should be fine.

Re: My Ultimate VL/EISA 486

Posted on 2018-08-13, 20:49

in Marvin \ System Specs

in Marvin \ System Specs

Yes, the 274x does have native support in Windows 95 and Windows 98. Perhaps I will put my GUS classic 2.2 into this computer. Since the drivers do not work under 98, I'll stay with Win95C then. I can find a v2.10 BIOS on the Adaptec website. My adapter has v2.11 already. Because the mainboard BIOS …

Re: Advanced Gravis Ultrasound - some questions regarding Revisions

Posted on 2018-08-13, 20:36

in Marvin \ Sound

in Marvin \ Sound

I'm sorry, I don't have another one.

Re: Advanced Gravis Ultrasound - some questions regarding Revisions

Posted on 2018-08-12, 01:54

in Marvin \ Sound

in Marvin \ Sound

I've got a revision 2.2

Win95 Performance of 2740W / 2742W

Posted on 2018-08-11, 18:47

in Marvin \ System Specs

in Marvin \ System Specs

I'm using a U320 seagate 10K 36G hdd on my EISA 2740W controller. When configuring the BIOS with Compaq's ECU, there are speed options up to 10.0 MB/s only. HDD support is up to 8G with BIOS. Speed is 8.0 MB/s in DOS with BIOS 2.11 driver. After loading ASPI7DOS.SYS 1.42 I get 16.8 MB/s and full 36G …

Re: Bios battery dies after 1-2 weeks.

Posted on 2018-08-07, 21:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Try to put a multimeter between the battery and the board. Tell us how many milliamperes your board draws from the battery. It should be a few microamperes.

Re: ASUS PVI-486SP3 problems with L2 (external) cache

Posted on 2018-07-20, 08:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Oh, you're right. I've got same board revision and jumper settings and I do not have any problem. AMD 5x86 133 ADZ running 40 MHz x4 and 2-1-1-1 timing.

Re: ASUS PVI-486SP3 problems with L2 (external) cache

Posted on 2018-07-20, 00:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Is there a reason for setting JP7 (near RAM) to 2-3 (3.6 V) instead of 1-2 (3.45 V)? Your CPU is overvolted...

Re: Taking care of HDD collection ?

Posted on 2018-07-19, 22:37

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

When you get a bundle of hard discs and do a kind of triage by connecting the drive only to a PSU you may draw the wrong conclusion (false-negative).

Re: Taking care of HDD collection ?

Posted on 2018-07-19, 11:03

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This is true but only delays the spin for a few seconds, The controller has to wait for an extra moment for the drive to spin up so it can then initialize it. It was so the PSU wasn't overloaded with multiple disks all drawing power at the exact same time, not as a power saving feature. But if …

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