C-4 System Board, Connectors, and Error Messages
Internal Connectors
The following connectors and jumper are located inside
your computer.
System Board Internal Connectors
CONNECTOR
FUNCTION
J4E1
AGP video connector
J2F2
Auxiliary line-in connector
J1F1
CD-ROM audio connector
J2F1
Telephony connector
B7C1
CMOS/BIOS battery socket
J8A1
Configuration
Normal mode
Configure
BIOS recovery
1-2: Normal (default)
2-3:
No jumper; resets BIOS
J7J1
DIMM slot (Bank 0)
J6J2
DIMM slot (Bank 1)
J6J1
DIMM slot (Bank 2)
J8M1
Fan 1 connector
J4M1
Fan 2 connector
J3F2
Fan 3 connector
J8K1
Diskette drive connector
J8G2
Front panel connectors—speaker/ reset/
power LED/HDD LED/reserved/sleep/power
J8G1
IDE connector (primary)
J7G1
IDE connector (secondary)
J4A1/J4B2
ISA slots
J4B1/J4C1
J4D1/J4D2
PCI slots