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Motherboard User’s Guide
Motherboard Components
ITEM
LABEL
COMPONENTS
CPU Socket
LGA775 socket f or Intel
®
Core
T M
2 Quad/Intel
®
Core
T M
2 Duo/
Pentium
®
Dual-Core (E21xx series)/Celeron
®
Dual-Core/Celeron
®
4xx series
2
CPU_FAN
CPU cooling fan connector
3
DIMM1~2
240-pin DDR2 SDRAM slots
4
ATX1
Standard 24-pin ATX pow er connector
5
SATA1~4
Serial ATA connectors
6
F_PANEL1
Front panel sw itch/LED header
7
USBPWR_F
Front Panel USB Pow er Select Jumper
8
F_USB1~2
Front Panel USB headers
9
SPK1
Speaker header
10
IDE
Primary IDE connector
11
CLR_CMOS
Clear CMOS jumper
12
FDD
Floppy disk drive connector
13
SPDIFO1
SPDIF out header
14
CD_IN1
Analog audio input connector
15
F_AUDIO1
Front panel audio header
16
PCI1~2
32-bit add-on card slots
17
SPI_ROM
SPI ROM header
18
PCI-E1
PCI Express x1 slot
19
PCIEX1
PCI Express slot for graphics interface
20
USBPWR_R
Real Panel USB PS/2 Pow er Select Jumper
21
SYS_FAN
System cooling fan connector
22
ATX12V1
Auxiliary 4-pin pow er connector
23
LPT
Onboard parallel port header
1