Re: 486 refuses to boot from any media

Posted on 2019-08-01, 18:58

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Newer IBM smart drives are not supported with old bios. Also once you get it working fdisk and format the C:\ and install DOS 6.x and run MSD and check your IRQ and DMA settings. Look for conflicts and FREE resources. You can take screen snapshots with you phone or tablet so you don't have to write …

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Re: 486 refuses to boot from any media

Posted on 2019-08-01, 17:02

by

by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does it have a NEW battery. Old batteries can cause havoc on the bios. Also reset the ram and cache chips. Bad IDE cables and floppy drives and cdroms. Follow the Process of elimination. Just connect the minimal at first 4 memory Simms. ( FPM ) in bank 0 IDE controller with all ports disabled except …

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Re: What sort of PC is this

Posted on 2019-08-01, 16:52

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yeah, It’s a workstation meant to run 24/7/365. It could run software to manage all you corporate computers or fileservers or webservers or network equipment. Run a database , webserver, etc. Mission critical corporate services. Well, they where fun back in the 1990’s. You could network with Windows …

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Re: IBM blue lighting CPU settings ?

Posted on 2019-08-01, 16:34

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This one: https://upload.wikimedia.org/wikipedia/commons/2/29/KL_IBM_486DLC2.jpg http://www.os2museum.com/wp/ibm-blue-lightning-worlds-fastest-386/ Is this CPU considered a 386 / 486 or Pentium class ? What speed did this operate at ? And was this only put on IBM motherboards ? If so which models ?

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Re: POST diagnostic card/motherboard analyzer + ebay rant

Posted on 2019-08-01, 13:34

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by Intel486dx33

in Milliways

in Milliways

I bough one a few months back. I don’t remember if I bought it from eBay or amazon. But it was only about $9 and it came with a manual. These are very useful for trouble shooting a ISA motherboard.

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Re: Media Vision PAS16 Jumper settings ?

Posted on 2019-08-01, 13:26

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

Does anyone know who this Sound card is programmed ? Do you need to run the install program to configure the eprom on this sound card ? Or can you just change the settings in Autoexec.bat and config.sys ? Hi! My PAS16 cards can be fully configured by the install program, which in turn, sets up …

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Re: What sort of PC is this

Posted on 2019-08-01, 13:10

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I had one just like that back in 1999 I think was the year. It’s a Sun Solaris computer ( UNIX ) These computer where the backbone of most Large IT departments and the internet. That workstation must have costs about $30,000 new back in 1999/2000 They used them in large corporation to write binaries …

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Re: Media Vision PAS16 Jumper settings ?

Posted on 2019-07-30, 21:21

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

Does anyone know who this Sound card is programmed ? Do you need to run the install program to configure the eprom on this sound card ? Or can you just change the settings in Autoexec.bat and config.sys ?

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Re: What retro activity did you get up to today?

Posted on 2019-07-28, 15:05

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I spent the weekend thoroughly cleaning and fixing two AT cases I recently bought. They were in terrible shape but look servicable now. https://i.postimg.cc/9DxNzM3R/D3-CEF850-2-E4-C-45-C1-86-F7-552-AC292-F74-B.jpg The one on the right will replace the current case my 386 resides in. Not sure what …

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Re: Bought these (retro) hardware today

Posted on 2019-07-28, 05:18

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

1994 IBM PS/1 multimedia edition with VLB slot and Sound Blaster 16. Model # 2155. 486dx2-50 CPU. This has 20mb ram and an onboard Cirrus Logic CL-GD5428 , 1mb ( pretty good , Second fastest VGA card behind the 5429 ). Does not look like it has any cache however so I will have to add some. I am …

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Re: Media Vision PAS16 Jumper settings ?

Posted on 2019-07-24, 02:49

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

Okay, I found some docs. I just need to know what DMA sharing settings this card uses ( enable / disable ) ? And what IRQ ( 2,4,5,7 ) And what SCSI ID# for the CDROM drive ? Also I need to know the command lines for Autoexec.bat and config.sys ? I installed with MV-PAS16 diskettes from Vogons lib. …

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Re: All U.S.A 486 build advice ?

Posted on 2019-07-24, 01:16

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

canthearu wrote: I very strongly recommend you do not touch the cache. The performance difference between 256kb cache and 512kb of cache on a 486 is very small. Don't risk breaking your system by trying this upgrade. Yes, currently it only has 128kb. I would be okay with it having 256kb.

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Media Vision PAS16 Jumper settings ?

Posted on 2019-07-24, 01:09

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

I am working on getting this Media Vision PAS 16 card working. I also have a 4x Toshiba SCSI CDROM I would like to use with this sound card. From what I can tell it is a MV PAS-16 revision-B or F. I don’t have a manual for this revision. I have a manual for rev.D and C. But the board and jumpers are …

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Re: IBM Blue lighting ?

Posted on 2019-07-24, 00:16

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

More benchmarks. I don’t know why Speedsys reports the wrong CPU info. And wrong MHz. Speed. But the benchmark score appears to be correct.

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Re: All U.S.A 486 build advice ?

Posted on 2019-07-23, 21:28

by

by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Okay, What would I need to do to upgrade the cache to 256kb or 512kb ? What size cache moduals and tag would I need and how many ? The motherboard manual list that only 128kb and 256kb are supported. It is a 1992 bios American mega-trends Phoenix. ------------------------------------------------- …

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Re: IBM Blue lighting ?

Posted on 2019-07-23, 21:24

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Okay, I have this working and running at 66mhz. “speedsys” program reports that the CPU is a Cyrix 486DX2@66mhz. Below is the Topbench program results.

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Re: Acculogic sIDE-4VI jumpers ?

Posted on 2019-07-23, 21:14

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by Intel486dx33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Does anyone have any info on the jumper settings for this card ? Right now it's non-functional without the correct jumper settings. It looks like a nice card. I would hate not being able to use it.

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Re: Sound blaster 16 install problem ?

Posted on 2019-07-23, 17:43

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

Okay thanks, I have it working now. It turned out there was a problem with the CDROM drive.

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Re: Sound blaster 16 install problem ?

Posted on 2019-07-23, 01:03

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

Like what should the syntax look like ? And which driver do I need to use ?

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Sound blaster 16 install problem ?

Posted on 2019-07-22, 17:58

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by Intel486dx33

in Marvin \ Sound

in Marvin \ Sound

I installed a SB16 CT2950 in my 486 computer. It has a CDROM drive attached to the IDE interface. But the CDROM drive sometimes works and sometimes it does not. I already swapped the IDE ribbons. I ran the SB16 diagnostics program and every thing is configured correctly and audio works great. Passed …

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