BIOS Update for 05/05/94-SIS-85C471-2C4I8F21-00

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rokitRik
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BIOS Update for 05/05/94-SIS-85C471-2C4I8F21-00

Post by rokitRik »

808486DX2 33/66/ MHZ CPU
ROM ISA BIOS
Award Software 1984-1994
Award Modular v4.50g
05/05/94-SIS-85C471-2C4I8F21-00
Mfg: Firenze Research Lab

...frustrating! I know its an old machine, but I would like to install large capacity hdd. I cannot find BIOS upgrades anywhere. Firenze no longer seems to exist and Award/Phoenix no longer maintains older BIOS upgrades.

Anyone been down this path before with this BIOS version? Any assistance is greatly appreciated!

-rokit
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Post by evasive »

check in between the slots (ISA/VESA) for ASSY and some numbers. Post the entire string.
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Post by rokitRik »

evasive wrote:check in between the slots (ISA/VESA) for ASSY and some numbers. Post the entire string.


Thank you for you reply, evasive. I got tired and closed up the case. I will look for the string you mention when I get the chance again and post. Quick question: I can't get my BIOS to set up a CD ROM 4x I am attempting to install. Is this a BIOS issue or an IDE Controller issue? See my thots below:

rokitRik wrote:You will probably think I'm crazy, but I have been tinkering with an old computer for the fun of it...but I am having problems. I would appreciate any suggestions.

80486DX2 33/66 MHZ
ROM ISA BIOS
AWARD Modular v4.50G

mobo built by Firenze (I still have manual)
05/05/94-SIS-85C471-2C4I8F21-00
(I can find no BIOS updates on the internet that I immediately recognize)

Problem: The board only has a single IDE where I connect two harddisks. I need to connect a CD ROM. My audio card has IDE that I tried to set as secondary IDE:

BTC-1831 Rev:B
FCC ID: E5X1831

However -- no dice with the CD ROM. The Award BIOS has IDE detection, but can only detect HDD it appears.

Even back in 94, CD ROM units were installed on these computers -- but I have no luck whatsever. I tried two different CD drives, a 4x and 8x model, but BIOS does not detect it. I have tried every combination, even disconnecting harddrives, and connecting CD ROM to primary IDE, still no luck! Have I gone about this wrong? Any help for these old hardware questions is appreciated.

PC Clone
486DX2 33/66
16MB RAM
OS: dos 6.22/win3.1 (thinking of win95 -- but I'm short on RAM)

If you suggest I toss the box in the trash, please accept my thanks in advance.


Cheers,
rokit
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Post by Hardware Junkie »

Flexus / Freetech 486VL VII

CDROMs were installed in those old units but they were attached to Sound cards mostly and were driven by software that ran as the system booted.

See if the pics match one or both of these:
http://helpdesk.usu.edu:8080/Help/Total ... /31776.htm
http://helpdesk.usu.edu:8080/Help/Total ... /32022.htm

Little to no info on a bios update. Your best bet would be to get a sound card with an IDE connector on it and install the proper DOS drivers:
http://www.help.neu.edu/dl/btc/btc.htm
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Post by rokitRik »

Thanks HW, but none of the links you provide work for me...I tried the IDE connector on my sound card for my CD, but without the DOS drivers it was a no-go. If you know of another site to download these drivers, I'd really appreciate the pointers.

-Rokit

Hardware Junkie wrote:Flexus / Freetech 486VL VII

CDROMs were installed in those old units but they were attached to Sound cards mostly and were driven by software that ran as the system booted.

See if the pics match one or both of these:
http://helpdesk.usu.edu:8080/Help/Total ... /31776.htm
http://helpdesk.usu.edu:8080/Help/Total ... /32022.htm

Little to no info on a bios update. Your best bet would be to get a sound card with an IDE connector on it and install the proper DOS drivers:
http://www.help.neu.edu/dl/btc/btc.htm
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Re: BIOS Update for 05/05/94-SIS-85C471-2C4I8F21-00

Post by evasive »

Freetech 486F39X it is called to. It's listed in TH99
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