User`s guide

7
Chapter 2: Motherboard Installation
ITEM
LABEL
COMPONENTS
1 CPU Socket LGA775 Socket for Intel Pentium 4/Celeron
D/Pentium D CPUs
2 CPU_FAN CPU Fan connector(4PIN)
3 DIMM1/DIMM3 184-pin DDR SDRAM sockets (Support Dual-
Channel DDR400
)
4 IR1 Infrared header
5 FDD1 Floppy Disk Drive connector
6 ATX1 Standard 20-Pin ATX Power connector
7 IDE1 Primary IDE connector
8 IDE2 Secondary IDE connector
9 SPK1 Speaker header
10 CLR_CMOS Clear CMOS jumper
11 BIOS_WP BIOS protect jumper
12 SATA1~2 Serial ATA connectors
13 PANEL1 Front Panel Switch/LED header
14 USB3~4 Front Panel USB headers
15 CNR1 CNR slot
16 AUDIO1 Front Panel Audio header
17 AUX_IN Auxiliary In header
18 CD_IN Analog Audio Input header
19 SPDIFO1 SPDIF out header
20 PCI1~2 32-bit add-on card slots
21 AGP1 Accelerated Graphics Port slot
22 SYS_FAN System Fan connector
23 ATX12V 4-pin +12V power connector