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1.5.3
Motherboard layout
KBMS
ASM
HDMI
1442
USB34
USB3_12
LAN_USB12
AUDIO
Super
I/O
VIA
VT1708S
COM1
AAFP
21
20
1.5.4
Layout contents
Connectors/Jumpers/Slots/LED
1.
CPU and chassis fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN1/2)
2.
ATX power connectors (24-pin EATXPWR,
4-pin ATX12V)
3.
Intel
LGA1155 CPU socket
®
4.
DDR3 DIMM slots
5.
DRAM LED (DRAM_LED)
6.
MemOK! switch
7.
USB 3.0 connector (20-1 pin USB3_34)
8.
Intel
B75 Serial ATA 3.0Gb/s connectors (7-pin
®
SATA3G_1~5 [blue])
9.
Intel
B75 Serial ATA 6.0Gb/s connectors
®
(7-pin SATA6G_1 [gray])
10. Clear RTC RAM (3-pin CLRTC)
11. System panel connector (10-1 pin F_PANEL)
Chapter 1: Product introduction
1
2
22.6cm(8.9in)
ATX12V
EPU
Lithium Cell
CMOS Power
RTL
8111F
CHA_FAN1
PCIEX16
P8B75-M
PCI1
PCI2
SB_PWR
PCIEX4_1
SPDIF_OUT
LPT
19 18
17
16
3
1
CPU_FAN
CHA_FAN2
Intel
B75
DIS_ME
USB78
USB56
TPM
SPEAKER
15
14
13
Page
Connectors/Jumpers/Slots/LED
1-27
12.
Speaker connector (4-pin SPEAKER)
1-26
13.
USB 2.0 connectors (10-1 pin USB56, USB78)
1-8
14.
Intel
ME jumper (3-pin DIS_ME)
®
1-13
15.
TPM connector (20-1 pin TPM)
1-33
16.
Chassis intrusion connector (4-1 pin CHASSIS)
1-32
17.
LPT connector (26-1 pin LPT)
1-30
18.
Digital audio connector (4-1 pin SPDIF_OUT)
1-29
19.
Serial port connector (10-1 pin COM1)
1-29
20.
Front panel audio connector (10-1 pin AAFP)
1-22
21.
Onboard LED (SB_PWR)
1-28
4
MemOK!
DRAM_LED
SATA3G_1 SATA6G_1
®
SATA3G_3 SATA3G_2
64Mb
64Mb
BIOS
BIOS
CLRTC
SATA3G_5 SATA3G_4
F_PANEL
12
11
5
6
2
7
8
9
10
8
Page
1-28
1-30
1-21
1-31
1-26
1-27
1-25
1-31
1-25
1-33
1-7
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