4
Main-board Placement
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
⑭
⑮
⑯
⑰
⑱
⑲
⑳
⑳
1
No
Label
Com ponent
1
CPU Socket
LG A1155 socket for Intel
®
Sandy Bridge desktop processor
2
INT_SPK1
Internal speaker header
3
BZ1
Buzzer
4
CN8
Power switch
5
DIMM1~2
DDR3 SO-SDRAM slots
6
O BR
O BR button
7
F_USB1/4
Front panel USB ports
8
JMIC1
Front MIC IN
9
JPHO NE1
Headerphone O UT
10
SATA_HDD1
SATA HDD connector
11
SYS_FAN
System cooling fan connector
12
CPU_FAN
CPU cooling fan connector
13
ME_DISABLE1
ME Disable Header
14
CLR_CMO S
Clear CMO S jum per
15
BIO S_W P
BIO S write protect jum per
16
LPT1
O nboard parallel port header
17
C_INTRUSIO N
Chassis detect header