PB 386 25/33 Motherboard Layout

PB 386 25/33 Motherboard Layout
Jumpers
Connectors
 

Socket

Chip

Description
U4 VL16C452-QC VLSI
U15 VL82C332-FC VLSI
U16 VL82C331-FC VLSI
U29 80386DX CPU
U30 VL82C330-FC VLSI
U32   High BIOS
U34 80387 Math Coprocessor (optional)
U35 8042 Keyboard controller
U36   Low BIOS