MSI A55M-P25 Series User manual
BATT
+
SOCKET FM1
PCI _E1
PCI _E2
PCI1
JAUD1 JFP2 JUSB3
SYSFAN2
JUSB2 JUSB1
JBAT1
JUSB_PW1
JUSB_PW2
JFP1
SATA1S ATA4
SYSFAN1
CPUFAN
JPWR1
JPWR2
JLPT1
JCOM1
JCI1
JTPM1
DIMM1
DIMM2
SATA2S ATA5
SATA3S ATA6
Top: LAN Jack
Bottom: USB ports
USB2.0 ports
USB2.0 ports
T:Line-In
M:Line- Out
B:MIC-Int
Top : mouse
Bottom:keyboard
VGA port
DVI-D port
BAT T
+
13.+3.3V
1.+3.3V
14.-12V
2.+3.3V
15.Ground
3.Ground
16.PS-ON#
4.+5V17.Ground
5.Ground
18.Ground
6.+5V
19.Ground
7.Ground
22.+5V
10.+12V
20.Res
8.PWR OK
23.+5V
11.+12V
21.+5V
9.5VSB
24.Ground
12.+3.3V
4.+12V
2.Ground
3.+12V
1.Ground
10.Ground
14.Ground
8.LPT_SLIN#
12.Ground
6.PINIT#
4.ERR#
2.AFD#
24.Ground
22.Ground
26.NoPin
20.Ground
18.Ground
16.Ground
1.RSTB#
3.PRND0
5.PRND1
7.PRND2
9.PRND3
11.PRND4
13.PRND5
15.PRND6
17.PRND7
19.ACK#
21.BUSY
23.PE
25.SLCT
1.Ground
2.+12V
3.Sensor
4.Control
1.Ground
2.+12V
3.NoUse
1.VCC
3.USB0-
10.NC
5.USB0+
7.Ground
9.NoPin
8.Ground
6.USB1+
4.USB1-
2.VCC
1.MICL
3.MICR
10.HeadPhoneDetection
5.HeadPhoneR
7.SENSE_SEND
9.HeadPhoneL
8.NoPin
6.MICDetection
4.PRESENCE#
2.Ground
3.Speaker
4.VCC5
1.Speaker
2.VCC5
1. +
3. -
10.No Pi n
5. -Reset Switch
HDD LE D
Power Switch
Power LE D
7. +
9.Reserved
8. -
6. +
4. -
2. +
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