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10 SBC-410 User's Manual
Jumpers and connectors
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 allow you to configure your system to
suit your applications.
The table below lists the function of each of the board jumpers
and connectors.
Jumpers and connectors
Label
Function
CN1
Reset switch
CN2
Turbo LED
CN3
IDE LED
CN8
Turbo switch
CN9
Power LED and keylock voltage
CN10
External speaker
CN11
SMI SWITCH
JP1, 2, 3
CPU type select
JP4
Watchdog timer time-out signal select
JP6,8
CPU clock select
JP7
CPU Vcc select
JP9
Clear CMOS
JP10
Flash BIOS Protect
JP11
Cache memory select
JP12, 13, 14, 15, 16
RS-232/422/485 select
JP17
Flash BIOS Write-enable
JP18
Keyboard or PS/2 mouse select
PRIMARY IDE
Primary Enhanced IDE connector
SECONDARY IDE
Secondary Enhanced IDE connector
FDC CON
FDD connector
PRINTER
Parallel connector
POWER CON
Power connector
KB-CON
External keyboard connector
KB-CON
Keyboard and/or PS/2 mouse connector
COMA
Serial port 1
COMB
Serial port 2
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