User`s guide

6
Motherboard User’s Guide
Motherboard Components
LABEL COMPONENTS
1. CPU Socket
LGA775 socket for Intel
®
Core
TM
2 Duo/Celeron
®
D
CPUs
2. DDRII1~2
240-pin DDR2 SDRAM slots
3. CPU_FAN1
CPU cooling fan connector
4. IR1
Onboard infrared header
5. FDD1
Floppy disk drive connector
6. PWR1
Standard 24-pin ATX power connector
7. IDE1
Primary IDE channel
8. SPI_ROM
SPI ROM Header
9. SYS_FAN1
System cooling fan connector
10. SATA1~2
Serial ATA connectors
11. PANEL1
Front panel switch/LED header
12. SPK1
Speaker header
13. F_USB1~2
Front Panel USB headers
14. CLR_CMOS1
Clear CMOS jumper
15. SPDIFO1
SPDIF out header
16. CNR1*
CNR slot
17. PCI1~2
32-bit add-on card slots
18. CD_IN1
Analog audio input connector
19. F_AUDIO1
Front panel audio header
20. PCI-E2
PCI Express x1 slot
21. PCI-E1
PCI Express x16 slot for graphics interface
22. PWR2
Auxiliary 4-pin power connector
* Stands for optional components