80GB: 12/16/97-i430TX-ALI513X-2A59IK1CC-00 (BCM SQ572)

BIOS update, EIDE card, or overlay software? (FAQ Hard disk recognition)
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Joined: Sat Aug 22, 2020 1:41 am

Hi all,

I'm trying to connect an 80GB Maxtor HDD DiamondMax20 (STM3802110A) on a BCM SQ572 mobo but it can't recognized it.
I know this mobo has others names (OEM versions). It seems that one is the OEM version of a Kaimei / Jamicon KM-T5-T3.
it's known as KM-T5-T3 aka Informtech 533T-AT aka Mentor BN533T aka BCM SQ572 aka SanLi/Superpower SM-P5TX3.

I found in this post bios for SanLI/Superpower SM-P5TX3. I flashed my mobo and all was ok. Recognized the 80GB HDD but... I can't install win98 because an a20 line error and can't load the XMS manager also floppy stops working (Error C0). It makes me back to the original bios I saved previously with no detect of the 80GB HDD.

It's possible to modify the original BCM SQ572 for this 80GB HDD?
I can send a copy of the BIOS file.

BIOS data:
BIOS Date: 12/16/97
BIOS Type: Award Modular BIOS v4.51PG
BIOS ID: 12/16/97-i430TX-ALI513X-2A59IK1CC-00
OEM Sign-On: Release:19980102-0
Chipset: Intel Triton 430TX rev 1
Superio: ALi M5133 rev 0 found at port 3F0h

HDD 80GB Maxtor DiamondMax 20 - STM3802110A.

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