5
Introducing the Motherboard
This concludes Chapter 1. The next chapter explains how to install the motherboard.
* Stands for optional components
Table of Motherboard Components
LABEL COMPONENTS
1. CPU Socket
LGA775 socket for Intel
Wolfdale /Core
M2
Duo
CPUs
2. CPU_FAN
CPU cooling fan connector
3. DIMM1~4
240-pin DDR2 SDRAM slots
4. FDD
Floppy disk drive connector
5. ATX_POWER1
Standard 24-pin ATX power connector
6. SATA1/2/5/6
Serial ATA connectors
7. PANEL1
Front panel switch/LED header
8. USB1~4
Front Panel USB headers
9. 1394A1*
Onboard 1394a header
10. CLR_CMOS
Clear CMOS jumper
11. SPI_ROM *
SPI ROM header
12. COM2 *
Onboard serial port header
13. SPDIF_OUT1
SPDIF out header
14. CD_IN
Analog audio input connector
15. AUDIO1
Front panel audio header
16. PCI1~2
32-bit add-on card slots
17. PCIEX1
PCI Express x1 slot
18. PCIEX16
PCI Express x16 graphics card slot
19. ATX12V1
ATX12V power connector
20. SYS_FAN
System fan connector
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