Abit AN-4R307A,
<p>Form factor: Baby AT;
Chipset: SiS 85C471/407 [85C471, 85C407];
CPU socket and platform: Socket 3 (PGA237) 486 486 (DX4);
Supported FSB speeds: 20MHz, 25MHz, 33MHz, 40MHz, 50MHz;
Supported RAM size and types: 128 MB, 30-pin SIMM, 72-pin FPM;
</p>
Cache: 256 KB, 8 x EM51256C-15J - 32K x 8 High Speed SRAM, Etron Technology
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