Yes, I'm actually not certain of the model; the board itself isn't marked, and The Retro Web doesn't seem to have anything like this boards PCI / ISA slot count & configuration. Why would only presenting USB2.0 to the mainboard cause it to not boot? I would think that if it was USB 1.1 only (which …

I found an old Micron Pentium II motherboard with a PII-266, and tossing it on my workbench I couldn't get it to boot. It's got a Phoenix BIOS and it halts with a post code of 49. On my workbench, I have a random Dell P2414H monitor with an integrated USB hub. My workbench keyboard and mouse plugs …

The battery had leaked a little, and has since been removed. No obvious trace damage, perhaps a little corrosion on the legs of a couple of resistors near the keyboard controller. I'll post photos a little later!

I recently picked up an ABit AB-AT4 motherboard with a 486DX-33 (this is the board from The Retro Web: https://theretroweb.com/motherboards/s/abit-ab-at4). I popped in a 16-bit Trident ISA VGA card and a few sticks of RAM, and it booted right up. Success! However, I went into the BIOS settings to …

FAMICOMASTER wrote on 2021-06-09, 03:25: Why? 640K ought to be enough for anyone. I see what you did there.