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))
2 2 2 2 2
ASRock
19
Secondary SATAII Connector
(SATAII_2 (PORT 1))
20
Primary SATAII Connector
(SATAII_1 (PORT 0))
21
Chassis Speaker Header
(SPEAKER 1, Purple)
22
Clear CMOS Jumper (CLRCMOS1)
23
System Panel Header (PANEL1, Orange)
24
SPI Flash Memory (8Mb)
25
Floppy Connector (FLOPPY1)
26
Serial Port Connector (COM1)
27
Internal Audio Connector: CD1 (Black)
28
Front Panel Audio Header
(HD_AUDIO1, Lime)
29
Infrared Module Header (IR1)
30
PCI Slots (PCI1- 2)
31
PCI Express 2.0 x16 Slot (PCIE2; Green)
32
Northbridge Controller
33
PCI Express 2.0 x1 Slot (PCIE1; Green)
M3A785GMH/128M
Motherboard