ASRock M3A790GXH/128M [2/218] Motherboard layout motherboard layout motherboard layout motherboard layout motherboard layout

ASRock M3A790GXH/128M Motherboard

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Motherboard LayoutMotherboard Layout

Motherboard Layout

1 ATX 12V Power Connector (ATX12V1) 23 Sixth SATAII Connector

2 PS2_USB_PW1 Jumper (SATAII_6, Orange)

3 CPU Fan Connector (CPU_FAN1) 24 Infrared Module Header (IR1)

4 SLI / XFIRE Power Connector 25 Clear CMOS Jumper (CLRCMOS1)

5 CPU Heatsink Retention Module 26 Front Panel IEEE 1394 Header

6 AM3 941-Pin CPU Socket (FRONT_1394)

7 2 x 240-pin DDR3 DIMM Slots 27 USB 2.0 Header (USB10_11, Blue)

(Dual Channel A: DDR3_A1, DDR3_B1; Blue) 28 USB 2.0 Header (USB6_7, Blue)

8 2 x 240-pin DDR3 DIMM Slots 29 USB 2.0 Header (USB8_9, Blue)

(Dual Channel B: DDR3_A2, DDR3_B2; White) 30 Chassis Fan Connector (CHA_FAN1)

9 ATX Power Connector (ATXPWR1) 31 Floppy Connector (FLOPPY1)

10 North Bridge Fan Connector (NB_FAN1) 32 Serial Port Connector (COM1)

11 Northbridge Controller 33 Front Panel Audio Header

12 Primary IDE Connector (IDE1, Blue) (HD_AUDIO1, Lime)

13 SLI/XFire Switch Card Retention Slot 34 Internal Audio Connector: CD1 (Black)

14 Southbridge Controller 35 HDMI_SPDIF Header

15 SPI Flash Memory (8Mb) (HDMI_SPDIF1, Yellow)

16 System Panel Header (PANEL1, Orange) 36 PCI Express 2.0 x16 Slot

17 Primary SATAII Connector (SATAII_1, Red) (PCIE4; Orange)

18 Secondary SATAII Connector (SATAII_2, Red) 37 PCI Slots (PCI1- 2)

19 Fourth SATAII Connector (SATAII_4, Red) 38 PCI Express 2.0 x16 Slot (PCIE3; Blue)

20 Third SATAII Connector (SATAII_3, Red) 39 PCI Express 2.0 x16 Slot (PCIE2; Green)

21 Chassis Speaker Header 40 PCI Express 2.0 x1 Slot (PCIE1; Green)

(SPEAKER 1, Purple) 41 Power Fan Connector (PWR_FAN1)

22 Fifth SATAII Connector (SATAII_5, Red) 42 eSATAII Connector (eSATAII_TOP)