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Motherboard Layout
USB 2.0
T: USB0
B: USB1
USB 2.0
T: USB2
B: USB3
USB 3.0
T: USB2
B: USB3
32
USB 2.0
T: USB4
B: USB5
31
30
29
28
27
26
1
ATX 12V Power Connector (ATX12V1)
2
CPU Fan Connector (CPU_FAN1)
3
CPU Fan Connector (CPU_FAN2)
4
1155-Pin CPU Socket
5
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6
ATX Power Connector (ATXPWR1)
7
USB 3.0 Header (USB3_0_1, Black)
8
SATA3 Connector (SATA3_1, Gray)
9
SATA3 Connector (SATA3_0, Gray)
10
SATA2 Connector (SATA2_2, Black)
11
SATA2 Connector (SATA2_3, Black)
12
SATA2 Connector (SATA2_4, Black)
13
SATA2 Connector (SATA2_5, Black)
14
SPI Flash Memory (64Mb)
15
Intel H77 Chipset
16
System Panel Header (PANEL1, Black)
17
Chassis Speaker Header (SPEAKER1, Black)
2
3
1
2
21.6cm (8.5 in)
Designed in Taipei
CPU_FAN1
CPU_FAN2
ATX12V1
Top:
RJ-45
LAN
PHY
CHA_FAN2
PWR_FAN1
HD_AUDIO1
PCIE1
X
Fast USB
AUDIO
CODEC
HDMI_SPDIF1
PCI1
1
X
X
Fast RAM
Fast LAN
PCI2
ErP/EuP Ready
PCIE2
COM1
IR1
1
1
1
LPT1
25
24
23
ASRock H77M Motherboard
4
CMOS
Battery
PCI Express 3.0
RoHS
Intel
H77
H77M
CLRCMOS1
1
USB6_7
USB8_9
CHA_FAN1
1
1
1
CIR1
22
21
20
19
18
18
Clear CMOS Jumper (CLRCMOS1)
19
USB 2.0 Header (USB6_7, Black)
20
Consumer Infrared Module Header
(CIR1, Gray)
21
USB 2.0 Header (USB8_9, Black)
22
Chassis Fan Connector (CHA_FAN1)
23
Print Port Header (LPT1, Black)
24
COM Port Header (COM1)
25
Infrared Module Header (IR1)
26
PCI Express 2.0 x16 Slot (PCIE2, Black)
27
PCI Slots (PCI1-2, Black)
28
HDMI_SPDIF Header
(HDMI_SPDIF1, Black)
29
PCI Express 3.0 x16 Slot (PCIE1, Black)
30
Front Panel Audio Header
(HD_AUDIO1, Black)
31
Chassis Fan Connector (CHA_FAN2)
32
Power Fan Connector (PWR_FAN1)
5
6
7
8
9
10
11
Front USB 3.0
12
13
64Mb
14
BIOS
15
SPEAKER1
1
PLED PWRBTN
1
HDLED RESET
PANEL1
17
16
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