Motherboard Layout - ASROCK M3A790GMH-128M Installation Manual

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