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Motherboard Specifications, K8N8X-LA (Dom)

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Support details

» Motherboard specification table

» Motherboard layout and photos

» Clearing the CMOS settings

Motherboard specification table

NOTE:

Motherboard specifications are subject to change without notice.

Part / Feature	Specification / Support
Motherboard description	Motherboard manufacturer's name: K8N8X-LA HP/Compaq name: Dom-UL6E
CPU/Processor	Socket: 754 Supports the following processors: AMD Athlon64 up to 3700+ (Clawhammer, 2.4 GHz) AMD Athlon64 up to 3400+ (Newcastle, 2.4 GHz) AMD Sempron
Front-side bus (FSB)	MHz: 800
Chipset	nVidia nForce3 250 Southbridge: single-chip design
BIOS features	4Mb Flash ROM, AMI BIOS with Enhanced ACPI, DMI, Green, PnP features
Form factor	Micro-ATX form factor 9.6 inches x 9.6 inches (24.5 cm x 24.5 cm)
Memory	Number DIMM sockets: Two Supports DIMM types: 184-pin DDR Support up to maximum 2 GB memory (PC manufacturer's maximum memory may differ)
Expansion slots	One AGP 8X slot Three PCI slots One ASUS proprietary PCI expander connector
Video graphics	External only (no integrated graphics)
Serial ATA	Two serial ATA (SATA) connectors, each supporting one serial ATA-150 disk drive Hot swap function
Onboard audio or audio card	AC97 2.2 compliant Realtek codec: ALC650 6 channel
Onboard LAN	CK8S MAC + Realtek RTL8201BL LAN PHY 10/100 Mbps Fast Ethernet controller
Front panel I/0	Four USB 2.0 NOTE: Not all USB ports may be available externally for customer use; see model specifications. One IEEE 1394 front One S/PDIF out connector One CD/AUX audio connector One Front Audio connector
Back panel I/O	One PS/2 Keyboard One PS/2 Mouse One parallel One Serial port Four USB 2.0 One IEEE 1394 One RJ-45 LAN One Line In One Line Out One Microphone ports
Other onboard connectors	One Floppy disk drive connector (34-1 pin) Front panel power and LED connectors 20-pin ATX power connector 4-pin ATX power connector CPU fan connector ODM System fan connector

Motherboard layout and photos

Figure 1: Layout view components identified

Figure 2: Overhead photo view with optional extender board

Figure 3: Color coded backplate

Clearing the CMOS settings

CAUTION:

Do not change any jumper setting while the system is running. Damage to the motherboard may result.

Description of CMOS clearing steps:

Turn the computer off and unplug the power cord.
Move the jumper cap from pins 2 and 3 (Default) to pins 1 and 2 (Clear CMOS). Keep the jumper cap on pins 1 and 2 for 5 seconds, then move the cap back to pins 2 and 3.
Plug in the power cord and turn ON the computer.
The BIOS returns to its default settings.
NOTE: Press the F1 key repeatedly when the first screen appears to enter the BIOS setup screen and .

Figure 4: Location of jumpers to clear CMOS