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Motherboard Layout
Motherboard Layout
Motherboard Layout
Motherboard Layout
Motherboard Layout
1
PS2_USB_PW1 Jumper
2
ATX 12V Power Connector (ATX12V1)
3
CPU Fan Connector (CPU_FAN1)
4
CPU Heatsink Retention Module
5
AM3 CPU Socket
6
2 x 240-pin DDR3 DIMM Slots
(Dual Channel A: DDR3_A1, DDR3_B1; Blue)
7
2 x 240-pin DDR3 DIMM Slots
(Dual Channel B: DDR3_A2, DDR3_B2; White)
8
ATX Power Connector (ATXPWR1)
9
Primary IDE Connector (IDE1, Blue)
10
Power Fan Connector (PWR_FAN1)
11
USB 2.0 Header (USB4_5, Blue)
12
USB 2.0 Header (USB6_7, Blue)
13
USB 2.0 Header (USB8_9, Blue)
14
Southbridge Controller
15
Chassis Fan Connector (CHA_FAN1)
16
Fifth SATAII Connector (SATAII_5 (PORT 4))
17
Fourth SATAII Connector (SATAII_4 (PORT3))
18
Third SATAII Connector (SATAII_3 (PORT 2))
19
Secondary SATAII Connector (SATAII_2 (PORT 1))
2 2 2 2 2
ASRock
20
Primary SATAII Connector
(SATAII_1 (PORT 0))
21
Chassis Speaker Header
(SPEAKER 1, Purple)
22
Clear CMOS Jumper (CLRCMOS1)
23
Front Panel IEEE 1394 Header
(FRONY_1394)
24
System Panel Header (PANEL1, Orange)
25
SPI Flash Memory (8Mb)
26
Floppy Connector (FLOPPY1)
27
Serial Port Connector (COM1)
28
Internal Audio Connector: CD1 (Black)
29
Front Panel Audio Header
(HD_AUDIO1, Lime)
31
Infrared Module Header (IR1)
32
PCI Slots (PCI1- 2)
33
PCI Express 2.0 x16 Slot (PCIE2; Green)
34
Northbridge Controller
PCI Express 2.0 x1 Slot (PCIE1; Green)
M3A790GMH/128M
Motherboard
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