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1-8 Chapter 1: Product introduction
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)
1-26 10. Intel
®
B75 Serial ATA 6.0Gb/s connectors
(7-pin SATA6G_1 [gray])
1-28
2. ATX power connectors (24-pin EATXPWR,
4-pin ATX12V)
1-25 11. System panel connector (10-1 pin F_PANEL) 1-27
3. Intel
®
LGA1155 CPU socket 1-9 12. Speaker connector (4-pin SPEAKER) 1-27
4. DDR3 DIMM slots 1-14 13. USB 2.0 connectors (10-1 pin USB56, USB78) 1-29
5. DRAM LED (DRAM_LED) 1-31 14 Clear RTC RAM (3-pin CLRTC) 1-21
6. MemOK! switch 1-30 15. LPT connector (26-1 pin LPT) 1-26
7. USB 3.0 connector (20-1 pin USB3_34) 1-29 16. Digital audio connector (4-1 pin SPDIF_OUT) 1-24
8. Intel
®
B75 Serial ATA 3.0Gb/s connectors (7-pin
SATA3G_1~5 [blue])
1-28 17. Serial port connector (10-1 pin COM1) 1-25
9. Onboard LED (SB_PWR) 1-31 18 Front panel audio connector (10-1 pin AAFP) 1-24
P8B75-M LE
PCIEX16_1
PCIEX16_2
PCI2
PCI1
AAFP
EATXPWR
CPU_FAN
CHA_FAN
Lithium Cell
CMOS Power
Super
I/O
VIA
VT1708S
DIGI
+VRM
ATX12V
KBMS
HDMI
64Mb
BIOS
64Mb
BIOS
CLRTC
20.3cm(8.0in)
24.4cm(9.6in)
Intel
®
B75
DDR3 DIMM_A1 (64bit, 240-pin module)
DDR3 DIMM_A2 (64bit, 240-pin module)
SATA6G_1
SATA3G_5
SATA3G_1
SATA3G_2
SATA3G_3
SATA3G_4
AUDIO
USB34
USB3_12
ASM
1442
LAN_USB12
SPDIF_OUT
DVI_VGA
DRAM_LED
MemOK!
LGA1155
USB3_34
F_PANEL
SPEAKER
RTL
8111F
COM1
LPT
USB78 USB56
SB_PWR
1 42 13
1213 101117 16 15 1418
6
2
7
8
9
5
P8B75-M LE