Asus P8B75-M 1.5.3Motherboard layout, 1.5.4Layout contents

1.5.3Motherboard layout

	1	2	3	1	4
		22.6cm(8.9in)
KBMS		ATX12V		CHA_FAN2 CPU_FAN
	EPU
HDMI	ASM
	1442

DVI_VGA

USB34

USB3_12

LAN_USB12

AUDIO

LGA1155

	Lithium Cell
RTL	CMOS Power
8111F

CHA_FAN1

DDR3 DIMM A1 (64bit, 240-pin module) DDR3 DIMM A2 (64bit, 240-pin module) DDR3 DIMM B1 (64bit, 240-pin module) DDR3 DIMM B2 (64bit, 240-pin module)

MemOK!

DRAM_LED

34_USB3 EATXPWR

5

6

2

24.4cm(9.6in) 7

PCIEX16

P8B75-M

8

Super

I/O

PCIEX4_1

VIA

VT1708SSPDIF_OUT

COM1 LPT

AAFP

SATA3G_1 SATA6G_1

PCI1

			Intel®
			B75
PCI2				SATA3G_3 SATA3G_2
SB_PWR	DIS_ME
				64Mb	64Mb
				BIOS	BIOS
CHASSIS			CLRTC
				SATA3G_5 SATA3G_4
	TPM	USB78	USB56
			SPEAKER
			F_PANEL

9

10

8

21 20 19 18 17 16 15 14 13 12 11

1.5.4Layout contents

	Connectors/Jumpers/Slots/LED	Page		Connectors/Jumpers/Slots/LED	Page
1.	CPU and chassis fan connectors (4-pin	1-26	12.	Speaker connector (4-pin SPEAKER)	1-27
	CPU_FAN, 3-pin CHA_FAN1/2)
2.	ATX power connectors (24-pin EATXPWR,	1-25	13.	USB 2.0 connectors (10-1 pin USB56, USB78)	1-29
	4-pin ATX12V)
3.	Intel® LGA1155 CPU socket	1-3	14.	Intel® ME jumper (3-pin DIS_ME)	1-20
4.	DDR3 DIMM slots	1-13	15.	TPM connector (20-1 pin TPM)	1-30
5.	DRAM LED (DRAM_LED)	1-32	16.	Chassis intrusion connector (4-1 pin CHASSIS)	1-25
6.	MemOK! switch	1-31	17.	LPT connector (26-1 pin LPT)	1-26
7.	USB 3.0 connector (20-1 pin USB3_34)	1-29	18.	Digital audio connector (4-1 pin SPDIF_OUT)	1-24
8.	Intel® B75 Serial ATA 3.0Gb/s connectors (7-pin	1-28	19.	Serial port connector (10-1 pin COM1)	1-30
	SATA3G_1~5 [blue])
9.	Intel® B75 Serial ATA 6.0Gb/s connectors	1-28	20.	Front panel audio connector (10-1 pin AAFP)	1-24
	(7-pin SATA6G_1 [gray])
10.	Clear RTC RAM (3-pin CLRTC)	1-21	21.	Onboard LED (SB_PWR)	1-32
11.	System panel connector (10-1 pin F_PANEL)	1-27

Chapter 1: Product introduction 1-7