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User’s Manual
7
Function
Jumpers/Connectors
RS232/RS422/RS485 Selector (COM2)
JP6, JP9, JP10, JP12
DiskOnChip Memory Address
JP3
LCD Connector
LCDTV1
Clear CMOS
JP7
PS/2 Keyboard Jack
CN5
PS/2 Mouse Jack
CN3
PS/2 Mouse/KB Pin Header
CN4
IR
J1
USB Header
JUSB1, JUSB2
FDD Connector
FDD1
IDE 1 (Primary IDE)
IDE1
IDE 2 (Secondary IDE)
IDE2
Header for Case Panel
J2
IDE 1 LED
J2
Pin 1, Pin 2
IDE 2 LED
J2
Pin 3, Pin 4
External Speaker
J2
Pin 5, Pin 8
Buzzer On/Off
J2
Pin 6, Pin 7
Hardware Reset Switch
J2
Pin 9, Pin 10
Key Lock Switch
J2
Pin 11, Pin 12
Power LED
J2
Pin 13, Pin 14
ATX Power Supply On/Off Switch
J2
Pin 15, Pin 16
Turbo LED (for case only, no function)
J2
Pin 17, Pin 18
ATX or PS/2 Power Selector
J2
Pin 19, Pin 20, Pin 21
Ring-Detected
J2
Pin 22, Pin 23