Tested. Working perfect. See photo. With CPU Am486DX4 100MHz, 256KB Cache, 16Mb EDO RAM, Heatsink+Cooler & I/O cable
 
Chipset ALi M1489/87 (FinALi-486 PCI Chipset)
Socket Socket 3 (PGA237)
FSB speeds 25MHz33MHz40MHz50MHz
Form factor Baby AT (max 220 x 330 mm)
Dimensions 190mm x 220mm
Release date 1995
Cache 128KB256KB
Max RAM size 64MB
RAM types 72-pin FPM72-pin EDO
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
3x 32-bit PCI
1x PISA