Tested. Working perfect. See photo. With CPU AMD K6-2 266 MHz, 64MB RAM, cooler & PCI graphics card S3 Virge/DX 4Mb onboard Sound, LAN
 
Chipset SiS 5597 (Jedi Pentium PCI/ISA Chipset)
Socket Socket 7 (PGA321)
FSB speeds 60MHz66MHz75MHz
Form factor Baby AT 
Dimensions 220mm x 220mm
Cache 256KB512KB
Max RAM size 512MB
RAM types 72-pin EDOSDR UDIMM168-pin EDO UDIMM
PSU connector ATX 1.x (20-pin ATX)AT (6-pin P8 + 6-pin P9)
I/O ports
1x AT Keyboard
1x Floppy interface
1x Gameport
2x IDE interface
1x PS/2 mouse
1x Parallel
1x RJ-45 LAN
2x Serial
2x USB 1.x
1x VGA
Expansion slots
2x 16-bit ISA
3x 32-bit PCI