5
Introducing the Motherboard
Table of Motherboard Components
1 CPU LGA775 socket for Pentium 4 CPUs
2 CPU_FAN CPU cooling fan connector
12 USB3-4 Front Panel USB headers
8 CLR_CMOS Clear CMOS jumper
4 ATX_POWER Standard 20-pin ATX power connector
10 PANEL1 Front panel switch/LED header
7 FDD Floppy diskette drive connector
LABEL COMPONENT
6 IDE1 Primary IDE connector
5 IDE2 Secondary IDE connector
3 DIMM1~DIMM2 Two 184-pin DDR SDRAM slots
9 PWR_FAN Power cooling fan connector
13 BIOS_WP BIOS flash protect jumper
14 AUX_IN* Auxiliary In connector
22 ATX12V 4-pin +12V power connector
20 AGP Accelerated Graphics Port slot
19 PCI1~PCI3 32-bit add-on card slots
16 CD_IN Analog audio input connector
15 AUDIO1 Front panel audio header
21 SYS_FAN System cooling fan connector
This concludes Chapter 1. The next chapter explains how to install the motherboard.
ā*ā stands for optional components.
18 SPDIFO1 SPDIF out header
11 SATA1~SATA2 Serial ATA connectors
17 CNR1 Communications Networking Riser slot
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