Motherboard Layout - ASROCK A55M-VS User Manual

1.3 Motherboard Layout

1 ATX 12V Power Connector (ATX12V1)
2 Power Fan Connector (PWR_FAN1)
3 CPU Fan Connector (CPU_FAN1)
4 CPU Socket
5 CPU Heatsink Retention Module
6 2 x 240-pin DDR3 DIMM Slots
(Dual Channel: DDR3_A1, DDR3_B1; Black)
7 ATX 12V Power Connector (ATX12V1)
8 Chassis Fan Connector (CHA_FAN1)
9 Chassis Speaker Header (SPEAKER 1, Black) 23
10 SATA2 Connector (SATA_4, Black)
11 SATA2 Connector (SATA_3, Black)
12 SATA2 Connector (SATA_1, Black)
13 SATA2 Connector (SATA_2, Black)
14 Southbridge Controller
15 System Panel Header (PANEL1, Black)
16 Infrared Module Header (IR1)
17 Print Port Header (LPT1, Black)
18 USB 2.0 Header (USB6_7, Black)
19 Consumer Infrared Module Header (CIR1)
20 USB 2.0 Header (USB8_9, Black)
21 COM Port Header (COM1)
22 PCI Slot (PCI1)
SPI Flash Memory (32Mb)
24 PCI Express 2.0 x16 Slot (PCIE1; Black)
25 Front Panel Audio Header (HD_AUDIO1, Black)
26 Clear CMOS Jumper (CLRCMOS1)
11