Connector functions
The following table includes the specific functions of the connectors. Refer to the
section "Identifying system board parts" on page 7-2 for an illustration of the
connector locations.
Table 7: Connector functions
Connector
Function
BATT
Battery socket
FDD1
Floppy connector
PCI Slot1
First PCI adapter card connector
PCI Slot2
Second PCI adapter card connector
PCI Slot3
Third PCI adapter card connector
JBAT
Clear CMOS jumper
JFP1
HDD LED, Power LED, speaker, Power Switch and Reset Switch
IDE 1
Primary IDE
IDE 2
Secondary IDE
JWR1
ATX Power Connector
COMA
Serial Port connector 1
COMB
Serial Port connector 2
LPT1
Parallel Port Connector
JKBMS1
Keyboard/Mouse Connector
J5
CD-In Connector
J6
Aux Line Connector
J7
Modem-In Connector
A-8
IBM Personal Computer User Guide