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ASUS P8B75-M LX 1-7
1.5.3 Motherboard layout
1.5.4 Layout contents
Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page
1. CPU and chassis fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN)
1-27 10. Clear RTC RAM (3-pin CLRTC) 1-22
2. ATX power connectors (24-pin EATXPWR,
4-pin ATX12V)
1-26 11. USB 2.0 connectors (10-1 pin USB56,
USB78)
1-30
3. Intel
®
LGA1155 CPU socket 1-8 12. Onboard LED (SB_PWR) 1-31
4. DDR3 DIMM slots 1-13 13. LPT connector (26-1 pin LPT) 1-27
5. USB 3.0 connector (20-1 pin USB3_34) 1-30 14 Digital audio connector (4-1 pin SPDIF_OUT) 1-25
6. Intel
®
B75 Serial ATA 3.0Gb/s connectors
(7-pin SATA3G_1~5 [blue])
1-29 15. Serial port connector (10-1 pin COM1) 1-26
7. Intel
®
B75 Serial ATA 6.0Gb/s connectors
(7-pin SATA6G_1 [gray])
1-29 16. Front panel audio connector (10-1 pin AAFP) 1-25
8. System panel connector (10-1 pin F_PANEL) 1-28 17. Chassis intrusion connector (4-1 pin
CHASSIS)
1-31
9. Speaker connector (4-pin SPEAKER) 1-28
P8B75-M LX
PCIEX16_1
PCIEX1_1
PCIEX1_2
PCI1
AAFP
EATXPWR
CPU_FAN
CHA_FAN
Lithium Cell
CMOS Power
Super
I/O
VIA
VT1708S
KBMS_USB34
8Mb
BIOS
8Mb
BIOS
SB_PWR
CLRTC
19.8cm(7.8in)
24.4cm(9.6in)
Intel
®
B75
DDR3 DIMM_A1 (64bit, 240-pin module)
DDR3 DIMM_B1 (64bit, 240-pin module)
SATA3G_1
SATA3G_2
SATA3G_3SATA3G_4
SATA6G_1SATA3G_5
AUDIO
USB3_12
LAN_USB12
SPDIF_OUT
LPT
LGA1155
USB3_34
F_PANEL
SPEAKER
USB56USB78
COM1
CHASSIS
RTL
8111F
ATX12V
VGA
DVI
1 12 3 4
611 79 8121315 1416 1017
2
5
6