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850 Revision D Motherboard Layout

Legend
Item Description Item Description
A ESS 1869 3D Audio Chipset R Primary IDE Connector
B PCI Slots S Secondary IDE Connector
C Modem In connector (J10) T Front Side USB Interface Connector
D CD Audio In connector (J9) U Battery
E Rear Ports V External Speaker Connector (J33)
F 72-pin SIMM Slots W Clear CMOS Jumper (JP19)
G Primary Power Connector X Case Selection Jumper (JP20)
H CPU/Bus Speed Jumpers (JP1, JP2, JP3) Y Front Panel Connector (J25)
J VGA Select Jumper (JP4) Z CMOS ROM (U11)
K CPU Socket 7 AA Flash BIOS (U10)
L CPU Fan Power Connector (J24) BB Wake-On-LAN Header (J20)
M CPU Core Voltage Selection Jumpers (JP8, JP9, JP10, JP11) CC ISA Slots
N CPU Clock Selection Jumpers (JP14, JP15, JP16, JP17) DD Piezo Speaker
P PCI Clock Selection Jumper (JP18)
Q SiS 5598 PCI/ISA/VGA Controller Chipset

Rear Connector Ports
850 Motherboard Rear Ports

Jumpers

Video SiS 5598

Audio Chipset