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Label
Function
J5
CPU core frequency
J6
Clear CMOS
J8
Watchdog output
J11
Clock select
J12
DiskOnChip
CN1
Infrared (IR) connector
CN2
Keyboard lock
CN3
External speaker
CN4
IDE LED
CN5
CPU fan connector
CN6
Primary IDE connector
CN7
Secondary IDE connector
CN8
Parallel port
CN9
Serial port: COM 1
CN10
Serial port: COM 2
CN11
USB port
CN12
PS/2 keyboard and mouse
CN13
Floppy drive connector
CN14
(Reserved)
J1
ATX soft power switch
J2
Reset
J3
External SMI
J7
ATX feature connector
J10
External keyboard connector
RT1
(Reserved)
®
2000 address select
SBC-775 Installation Guide
3
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