Tested. Working perfect. See photo. With CPU Cyrix MII-300GP 233Hz, 32MB SDRAM and cables
 
Chipset VIA VT82C580VPX (Apollo VPX)
Socket Socket 7 (PGA321)
FSB speeds 50MHz60MHz66MHz75MHz83MHz
Form factor Baby AT (max 220 x 330 mm)
Dimensions 254mm x 218mm
Cache 512KB
Max RAM size 256MB
RAM types 72-pin EDOSDR UDIMM
PSU connector AT (6-pin P8 + 6-pin P9)
I/O ports
1x AT Keyboard
1x Floppy interface
2x IDE interface
1x PS/2 mouse
1x Parallel
2x Serial
2x USB 1.x
Expansion slots
3x 16-bit ISA
3x 32-bit PCI