Asrock a790gmh 128m User Guide
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ASRock
A790GMH/128M
Motherboard
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Motherboard Layout
Motherboard Layout
Motherboard Layout
Motherboard Layout
Motherboard Layout
1
PS2_USB_PW1 Jumper
18
System Panel Header (PANEL1, Orange)
2
ATX 12V Power Connector (ATX12V1)
19
Chassis Speaker Header
3
CPU Fan Connector (CPU_FAN1)
(SPEAKER 1, Purple)
4
CPU Heatsink Retention Module
20
USB 2.0 Header (USB6_7, Blue)
5
AM2 940-Pin CPU Socket
21
USB 2.0 Header (USB8_9, Blue)
6
2 x 240-pin DDR2 DIMM Slots
22
SPI Flash Memory (8Mb)
(Dual Channel A: DDRII_1, DDRII_2; Yellow)
23
USB 2.0 Header (USB10_11, Blue)
7
2 x 240-pin DDR2 DIMM Slots
24
Clear CMOS Jumper (CLRCMOS1)
(Dual Channel B: DDRII_3, DDRII_4; Orange)
25
Floppy Connector (FLOPPY1)
8
ATX Power Connector (ATXPWR1)
26
Serial Port Connector (COM1)
9
Primary IDE Connector (IDE1, Blue)
27
Internal Audio Connector: CD1 (Black)
10
Sixth SATAII Connector (SATAII_6 (PORT 5))
28
Front Panel Audio Header
11
Fifth SATAII Connector (SATAII_5 (PORT 4))
(HD_AUDIO1, Lime)
12
Southbridge Controller
29
Infrared Module Header (IR1)
13
Chassis Fan Connector (CHA_FAN1)
30
PCI Slots (PCI1- 2)
14
Fourth SATAII Connector (SATAII_4 (PORT 3))
31
PCI Express 2.0 x16 Slot (PCIE2; Green)
15
Third SATAII Connector (SATAII_3 (PORT 2))
32
Northbridge Controller
16
Secondary SATAII Connector
33
PCI Express 2.0 x1 Slot (PCIE1; Green)
(SATAII_2 (PORT 1))
34
Power Fan Connector (PWR_FAN1)
17
Primary SATAII Connector (SATAII_1 (PORT 0))