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J4 & JP2: External Battery Connector and Battery Select Jumper
J4 is used to connect an external battery pack if on-board Lithium battery is empty,
and please setting JP2 properly of in-board battery or external battery .You can use
JP2 to clear CMOS data. The CMOS store information like system date, time, boot up
device, password, IRQ… that are set up with the BIOS. To clear the CMOS, set JP2 to
open and then return to 1-2. The default setting is 1-2.
CN2
CN3
CN1
DB1
CN8
DB2
CN11
J2 J3
J5 J6
J9
J10
J4
J1
CN6
JP2
J12
JP1
CN5
J7
J8
CN7
LED1
J13
J14
BUS1
J15
CN10
JP3
J16
J17
SW1
CN9
U9
J11
CN4
BZ1
On-Board Power and Watchdog LED (LED1)
LED1 indicates power is active when it lights. If the watchdog is enabled, LED1 will blink
in a stable period.
CN2
CN3
CN1
DB1
CN8
DB2
CN11
J2 J3
J5 J6
J9
J10
J4
J1
CN6
JP2
J12
JP1
CN5
J7
J8
CN7
LED1
J13
J14
BUS1
J15
CN10
JP3
J16
J17
SW1
CN9
U9
J11
CN4
BZ1
JP2
On-Board Battery
Default
3 2 1
External Battery
3 2 1
Clear CMOS Data
3 2 1
Pin 1:B
Pin 2:Battery -
Note: 2.6V ~3.6V
2 1
J4
Содержание Low Power FB2503
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