Motherboard Layout
35
USB 3.0
T: USB2
B: USB3
USB 2.0
T: USB2
B: USB3
34
33
32
AUDIO
CODEC
31
HD_AUDIO1
30
1
CPU Fan Connector (CPU_FAN1)
2
CPU Fan Connector (CPU_FAN2)
3
1155-Pin CPU Socket
4
ATX 12V Power Connector (ATX12V1)
5
2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6
2 x 240-pin DDR3 DIMM Slots
(DDR3_A2, DDR3_B2, Black)
7
Chassis Fan Connector (CHA_FAN1)
8
ATX Power Connector (ATXPWR1)
9
USB 3.0 Header (USB3_0_1, Black)
10
SATA3 Connectors (SATA3_1, Gray)
11
SATA3 Connectors (SATA3_0, Gray)
12
Intel Z77 Chipset
13
SPI Flash Memory (64Mb)
14
SATA2 Connectors (SATA2_2, Black)
15
SATA2 Connectors (SATA2_3, Black)
16
SATA2 Connectors (SATA2_4, Black)
17
SATA2 Connectors (SATA2_5, Black)
18
Chassis Speaker Header (SPEAKER1, Black)
2
1
2
3
4
19.3cm (7.6 in)
CPU_FAN2
CPU_FAN1
ATX12V1
PWR_FAN1
Top:
RJ-45
PCIE1
Z77 Pro3
LAN
PCIE2
PHY
PCI Express 3.0
CMOS
Battery
X
Fast USB
X
X
Fast LAN
F
ast RAM
PCIE3
RoHS
PCI1
PCI2
USB8_9
USB6_7
USB4_5
COM1
CHA_FAN2
IR1
CLRCMOS1
HDMI_SPDIF1
1
1
1
1
1
1
1
CIR1
1
29
27
26
25
23
22
28
24
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
ASRock Z77 Pro3 Motherboard
5
6
CHA_FAN1
7
8
9
SATA3_1
10
11
SATA3_0
12
Intel
64Mb
13
Z77
BIOS
SATA2_2
14
15
SATA2_3
SATA2_4
16
PLED1
1
17
PANEL1
PLED PWRBTN
SATA2_5
1
1
HDLED RESET
SPEAKER1
21
20
19
18
Power LED Header (PLED1)
System Panel Header (PANEL1, Black)
Chassis Fan Connector (CHA_FAN2)
USB 2.0 Header (USB4_5, Black)
USB 2.0 Header (USB6_7, Black)
USB 2.0 Header (USB8_9, Black)
Consumer Infrared Module Header
(CIR1, Gray)
Infrared Module Header (IR1)
Clear CMOS Jumper (CLRCMOS1)
COM Port Header (COM1)
HDMI_SPDIF Header
(HDMI_SPDIF1, Black)
Front Panel Audio Header
(HD_AUDIO1, Black)
PCI Slots (PCI1-2, Black)
PCI Express 2.0 x16 Slot (PCIE3, Black)
PCI Express 3.0 x16 Slot (PCIE2, Black)
PCI Express 2.0 x1 Slot (PCIE1, Black)
Power Fan Connector (PWR_FAN1)