6
Motherboard User’s Guide
Motherboard Components
ITEM
LABEL
COMPONENTS
CPU Socket
LGA775 socket for *Intel
®
Core
TM
2 Quad/Intel
®
Core
TM
2 Duo/
Pentium
®
4/Celeron
®
D CPUs
2
CPU_FAN
CPU cooling fan connector
3
DDRII1~2
240-pin DDR2 SDRAM slots
4
ATX1
Standard 24-pin ATX pow er connector
5
SATA1~2
Serial ATA connectors
6
BIOS_WP
BIOS flash protect jumper
7
IDE1
Primary IDE connector
8
SPK1
Speaker header
9
IR1
Infrared header
10
PANEL1
Front panel sw itch/LED header
11
CLR_CMOS
Clear CMOS jumper
12
USB3~4
Front Panel USB headers
13
USBPWR_F2 Front Panel USB Pow er Select Jumper
14
FDD
Floppy disk drive connector
15
CD_IN1
Analog audio input connector
16
F_AUDIO1
Front panel audio header
17
SPDIFO1
SPDIF out header
18
PCI1~2
32-bit add-on card slots
19
PCIEX1
PCI Express x1 slot
20
PCIEX16
PCI Express slot for graphics interface
21
USBPWR_R1 Real Panel USB PS/2 Pow er Select Jumper
22
SYS_FAN
System cooling fan connector
23
LPT1
Parallel port header
24
ATX_12V1
Auxiliary 4-pin pow er connector
1
