PB 300/320 Motherboard Sockets Layout

PB 300/320 Motherboard Layout Menu

PB300/320 Sockets

Socket

Chip

Description

U6 UM70C171 UM70C171L-50, UMC
U7 KM7100
U12 PAL16L8CAN
U13 OTI067C VGA Controller, Oak Technology
U14 MC146818AP Real Time Clock, Motorola
U15 82C862 UM82C862F 9145-AS, Super Multi I/O, UMC
U32 High BIOS
U37 ACC2036
U38 80386SX CPU
U39 Low BIOS
U40 Only present on 20MHz/upgradeable to 5MB system
U41 80387SX Math Co-Processor (Optional)
JBT Battery
SP1 Speaker