Aaeon SBC-670S Manual page 17

Connectors on the board link it to external devices such as hard
disk drives, a keyboard or floppy drives. In addition, the board has
a number of jumpers that allows you to configure your system to
suit your application. The table below lists the function of each of
the board jumpers and connectors.
Jumpers and connectors
Label
JP1
JP2
JP3
JP4
JP5
JP6
CN1
CN2
KEYLOCK(CN3)
IDE LED(CN4)
SPKER(CN5)
CN6 SCSI HEADER
INTERNAL
CN7 PRIMARY IDE
CN8 FLOPPY DISK
RESET(CN9)
WIDE-SCSI CON
(CN10)
CN11 SECONDARY Secondary IDE Connector
IDE
CN12 PRINTER
CN13,CN14
CN15
GPIO CON(CN16)
MS CON(CN17)
POWER CON(CN18) 6P Power Connector
COM-A(CN19)
COM-B(CN20)
KB CON(CN21)
KB/PS2 MOUSE
(CN22)
Function
SCSI Terminator Select
ISA Bus Clock select (Reserved)
CPU Bus Frequency Select
CPU Frequency Select
CPU Clock Select
Flash Device Select
4P Power Connector
4P Fan Power Connector
Keyboard Lock
IDE device
Speaker Connector
SCSI-II Connector
Primary IDE Connector
Floppy Drive Connector
RESET Connector
Ultra-Wide SCSI Connector
Printer Port
USB Connector
IrDA Tx/Rx Header
GPIO Connector
Mouse Connector
COM1 Connector
COM2 Connector
Keyboard Connector
Keyboard and PS/2 Mouse Connector