Tested. Working perfect. See photo. With CPU IBM 6x86 P166+ 133MHz, 32 MB RAM, I/O cables and cooler
 
Chipset VIA VT82C580VP (Apollo VP)
Socket Socket 7 (PGA321)
FSB speeds 50MHz60MHz66MHz
Form factor Baby AT (max 220 x 330 mm)
Dimensions 254mm x 218mm
Cache 256KB
Max RAM size 512MB
RAM types 72-pin FPM72-pin EDO72-pin BEDO
PSU connector AT (6-pin P8 + 6-pin P9)
Multi CPU support no
 
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
4x 32-bit PCI