Award BIOS won't boot option ROM \ VOGONS

Award BIOS won't boot option ROM

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First post, by luRaichu

Posted on 2025-08-24, 18:35

luRaichu Offline

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I'm trying to get a VIA VT6421A card bootable on my Biostar MB-8500TTD.
I burned the "Memphis" ROM on an EPROM and stuck it on a PCI Ethernet card. Couldn't reflash the VT6421A's onboard EEPROM, sometimes they are fake.
The ROM will boot on a newer ATX box, but not on the 8500TTD. It has Award BIOS v4.51PG.

Reply 1 of 4, by luRaichu

Posted on 2025-08-26, 13:06

luRaichu Offline

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No dice? Come on

Reply 2 of 4, by wierd_w

Posted on 2025-08-26, 18:01

wierd_w Offline

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That board has ISA slots.. maybe try that BIOS in an ISA nic, like an NE2000?

Reply 3 of 4, by luRaichu

Posted on 2025-08-27, 19:22

luRaichu Offline

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Joined: 2024-12-16, 18:22

I have an Artisoft AE-3, but it only seems to address ROMs up to 32K.
I do have some spare 8K EPROMs, is there some kind of game or demo ROM that I can use to test?

Reply 4 of 4, by luRaichu

Posted on 2025-08-28, 21:37

luRaichu Offline

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I erased the EPROM which previously contained Memphis and wrote a "Digger" option ROM to it instead.
That game booted up just fine on the Ethernet NIC. Which means the Memphis ROM and VIA VT6421A card cannot work on the 430TX chipset.

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