Motherboard Layout
29
28
27
26
25
24
23
1
ATX 12V Power Connector (ATX12V1)
2
ATX Power Connector (ATXPWR1)
3
CPU Heatsink Retention Module
4
CPU Socket
5
CPU Fan Connector (CPU_FAN1)
6
2 x 240-pin DDR3 DIMM Slots
(Dual Channel: DDR3_A1, DDR3_B1)
7
Chassis Fan Connector (CHA_FAN1)
8
Southbridge Controller
9
Chassis Speaker Header (SPEAKER1)
10
System Panel Header (PANEL1)
11
SATA3 Connector (SATA_1)
12
SATA3 Connector (SATA_2)
13
SATA3 Connector (SATA_4)
14
SATA3 Connector (SATA_3)
2
FM2A85M-DG3
22
21
20
19
ASRock FM2A85M-DG3 Motherboard
AMD
A85X
(Hudson-D4)
Chipset
18
17
16
15
SATA3 Connector (SATA_6)
16
SATA3 Connector (SATA_5)
17
SPI Flash Memory (64Mb)
18
USB 2.0 Header (USB4_5)
19
USB 2.0 Header (USB8_9)
20
Print Port Header (LPT1)
21
USB 3.0 Header (USB3_2_3)
22
COM Port Header (COM1)
23
Front Panel Audio Header (HD_AUDIO1)
24
PCI Slot (PCI1)
25
PCI Express 2.0 x1 Slot (PCIE2)
26
Clear CMOS Jumper (CLRCMOS1)
27
PCI Express 2.0 x16 Slot (PCIE1)
28
Chassis Intrusion Header (CI1)
29
Power Fan Connector (PWR_FAN1)
7
8
9
10
11
12
13
14
15