OK, I was wrong on a few things...I found the mobo model #. It is a Giga-Byte GA 586SG.

More accurate specs...
1 AGP slot (1x/2x)
4 PCI slots (PCI 2.1)
2 ISA slots
2 SDRAM slots
4 EDO DRAM slots
2x USB
DMA/33 (up to 4 IDE devices)

Overview at http://www.technology.niagarac.on.c.../Comp.html#Main