MSI MS-5148 - CMOS Battery and Power Switches

CHAPTER 2 HARDWARE INSTALLATION
123
2.3 External Battery Connector: JBAT
A battery must be used to retain the system board configuration in CMOS
RAM. If you use the on-board battery you must short pins 1,2 of JBAT to
keep the CMOS data.
JBAT
12
SIMM1
SIMM2
SIMM3
SIMM4
DIMM1
DIMM2
Socket 7
FDD
IDE1
IDE2
ISA SLOT 4
ISA SLOT 2
ISA SLOT 3
ISA SLOT 1
PCI SLOT 4
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
BIOS
BATT
+
2032
JPF
JGS
JGL
JP2
INTEL
FW82371AB
INTEL
FW82439TX
JBAT
JRMS2
JFAN
ATX
POWER CONNECTOR
KBC
IR
JV1
LPT
COMA & COMB
USB
PS/2
JV3
JV4
JV5
SW
ON
DIP
1
2
1
3
4
1
5
6
JV6
JRMS1
+
2-10
3
123
Keep Data
Clear Data