Tested. Working perfect. See photo. With CPU Pentium MMX 166MHz, 32MB SDRAM, cables and cooler
 
Chipset VIA VT82C580VP (Apollo VP)
Socket Socket 7 (PGA321)
FSB speeds 50MHz55MHz60MHz66MHz75MHz
Form factor Baby AT (max 220 x 330 mm)
Dimensions 254mm x 218mm
Cache 512KB
Max RAM size 256MB
RAM types 72-pin FPM72-pin EDOSDR UDIMM72-pin BEDO
PSU connector AT (6-pin P8 + 6-pin P9)
I/O ports
1x AT Keyboard
1x Floppy interface
2x IDE interface
1x Parallel
2x Serial
Expansion slots
3x 16-bit ISA
4x 32-bit PCI