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Motherboard Layout
Motherboard Layout
Motherboard Layout
Motherboard Layout
Motherboard Layout
1
ATX 12V Power Connector (ATX12V1)
2
PS2_USB_PW1 Jumper
3
CPU Fan Connector (CPU_FAN1)
4
SLI / XFIRE Power Connector
5
CPU Heatsink Retention Module
6
AM3 941-Pin CPU Socket
7
2 x 240-pin DDR3 DIMM Slots
(Dual Channel A: DDR3_A1, DDR3_B1; Blue)
8
2 x 240-pin DDR3 DIMM Slots
(Dual Channel B: DDR3_A2, DDR3_B2; White)
9
ATX Power Connector (ATXPWR1)
10
North Bridge Fan Connector (NB_FAN1)
11
Northbridge Controller
12
Primary IDE Connector (IDE1, Blue)
13
SLI/XFire Switch Card Retention Slot
14
Southbridge Controller
15
SPI Flash Memory (8Mb)
16
System Panel Header (PANEL1, Orange)
17
Primary SATAII Connector (SATAII_1, Red)
18
Secondary SATAII Connector (SATAII_2, Red) 37
19
Fourth SATAII Connector (SATAII_4, Red)
20
Third SATAII Connector (SATAII_3, Red)
21
Chassis Speaker Header
(SPEAKER 1, Purple)
22
Fifth SATAII Connector (SATAII_5, Red)
2 2 2 2 2
ASRock
23
Sixth SATAII Connector
(SATAII_6, Orange)
24
Infrared Module Header (IR1)
25
Clear CMOS Jumper (CLRCMOS1)
26
Front Panel IEEE 1394 Header
(FRONT_1394)
27
USB 2.0 Header (USB10_11, Blue)
28
USB 2.0 Header (USB6_7, Blue)
29
USB 2.0 Header (USB8_9, Blue)
30
Chassis Fan Connector (CHA_FAN1)
31
Floppy Connector (FLOPPY1)
32
Serial Port Connector (COM1)
33
Front Panel Audio Header
(HD_AUDIO1, Lime)
34
Internal Audio Connector: CD1 (Black)
35
HDMI_SPDIF Header
(HDMI_SPDIF1, Yellow)
36
PCI Express 2.0 x16 Slot
(PCIE4; Orange)
PCI Slots (PCI1- 2)
38
PCI Express 2.0 x16 Slot (PCIE3; Blue)
39
PCI Express 2.0 x16 Slot (PCIE2; Green)
40
PCI Express 2.0 x1 Slot (PCIE1; Green)
41
Power Fan Connector (PWR_FAN1)
42
eSATAII Connector (eSATAII_TOP)
M3A785GXH/128M
Motherboard
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