Motherboard Layout - ASROCK 939A785GMH Quick 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 Heatsink Retention Module
4 939-Pin CPU Socket
5 CPU Fan Connector (CPU_FAN1)
6 2 x 184-pin DDR DIMM Slots
(Dual Channel A: DDR1, DDR2; Blue)
7 2 x 184-pin DDR DIMM Slots
(Dual Channel B: DDR3, DDR4; Black)
8 ATX Power Connector (ATXPWR1)
9 Primary IDE Connector (IDE1, Blue)
10 USB 2.0 Header (USB8_9, Blue)
11 USB 2.0 Header (USB6_7, Blue)
12 USB 2.0 Header (USB4_5, Blue)
13 Power Fan Connector (PWR_FAN1)
14 Clear CMOS Jumper (CLRCMOS1)
15 Southbridge Controller
16 Chassis Fan Connector (CHA_FAN1)
17 Fifth SATAII Connector (SATAII_5 (PORT 4))
18 Fourth SATAII Connector (SATAII_4 (PORT 3))
19 Third SATAII Connector (SATAII_3 (PORT 2))
2 2 2 2 2
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
ASRock 939A785GMH Motherboard
Secondary SATAII Connector
(SATAII_2 (PORT 1))
Primary SATAII Connector
(SATAII_1 (PORT 0))
Chassis Speaker Header
(SPEAKER 1, White)
System Panel Header (PANEL1, White)
SPI Flash Memory (8Mb)
Print Port Header (LPT1, White)
Floppy Connector (FLOPPY1)
Serial Port Connector (COM1)
Internal Audio Connector: CD1 (Black)
Front Panel Audio Header
(HD_AUDIO1, White)
Infrared Module Header (IR1)
Northbridge Controller
PCI Express 2.0 x16 Slot (PCIE2; Blue)
PCI Express 2.0 x1 Slot (PCIE1; White)
Northbridge Controller