Contents K8N8X-LA (Dom) specifications summary ........iii Motherboard layout ............... 1 Central Processing Unit (CPU) ..........2 Installing the CPU ..............2 System memory ..............3 Installing a DIMM ..............3 Expansion slots ..............4 Standard interrupt assignments ..........4 IRQ assignments for this motherboard ........
Supports PC3200/2700/2100/1600 double-sided DDR Expansion slots 1 x AGP 8X slot 3 x PCI slots 1 x ASUS proprietary PCI expander connector 2 x UltraDMA100/66/33 connectors, PIO Mode 3/4 Supports ATAPI IDE, CD-ROM, CD-R, CD-RW and LS-120 2 x Serial ATA connectors...
The lever clicks on the side tab to indicate that it is locked. The CPU fits only in one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU! ASUS K8N8X-LA (Dom) Motherboard...
The following figure illustrates the location of the DDR DIMM sockets. 104 Pins 80 Pins K8N8X-LA K8N8X-LA 184-Pin DDR DIMM Sockets CAUTION: DIMMs are keyed to fit with only one direction. DO NOT force a DIMM into a socket to avoid damaging the DIMM. Installing a DIMM You may install 64MB, 128MB, 256MB, 512MB, and 1GB DDR DIMMs into the DIMM sockets using the memory configurations in this section.
INTA# PCI slot 3 INTC# INTD# INTA# INTB# AGP slot INTE# INTD# Onboard 1394 controller INTD# *Onboard USB controller 1 *Onboard LAN *Onboard audio *The onboard USB, LAN and audio IRQs are assigned by the BIOS. ASUS K8N8X-LA (Dom) Motherboard...
Note the notches on the card golden fingers to ensure that they fit the AGP slot on your motherboard. Install only +1.5V AGP cards on this motherboard! AGP Card without Retention Notch K8N8X-LA K8N8X-LA Accelerated Graphics Port (AGP) ASUS K8N8X-LA (Dom) Motherboard...
4. Hold down the <F1> key during the boot process and enter BIOS setup to re-enter data. Except when clearing the RTC RAM, never remove the jumper caps on default position. Removing the cap will cause system boot failure! K8N8X-LA CLRTC Clear CMOS Normal K8N8X-LA Clear RTC RAM (Default) ASUS K8N8X-LA (Dom) Motherboard...
(Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug). FLOPPY NOTE: Orient the red markings on the floppy ribbon cable to PIN 1 K8N8X-LA PIN 1 K8N8X-LA Floppy Disk Drive Connector ASUS K8N8X-LA (Dom) Motherboard...
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+3.3VDC -12.0VDC +3.3VDC +3.3VDC K8N8X-LA ATX Power Connector 3. Serial ATA connectors (7-pin SATA1, SATA0, ) These next generation connectors support the thin Serial ATA cables for primary internal storage devices. The current Serial ATA interface allows up to 150 MB/s data transfer rate, faster than the standard parallel ATA with 133 MB/s (UltraDMA133).
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2. The hole near the blue connector on the UltraDMA100/66/33 cable is intentional. NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to PIN 1. K8N8X-LA PIN 1 K8N8X-LA IDE Connectors ASUS K8N8X-LA (Dom) Motherboard...
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CHA_FAN CPU_FAN +12V Rotation K8N8X-LA K8N8X-LA 12-Volt Cooling Fan Power 6. Internal audio connectors (4-pin CD_IN, AUX_IN) These connectors allow you to receive stereo audio input from sound sources such as a CD-ROM, TV tuner, or MPEG card. AUX_IN (White)
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FRONT_USB2 FRONT_USB1 K8N8X-LA K8N8X-LA USB 2.0 Headers 8. IEEE 1394 connector (10-1 pin FRONT_1394) This connector is for a 10-to-6-pin 1394 serial connector cable that connects to a 1394 module. Attach the 10-1 pin cable plug to this connector, and the 6-pin cable plug to the 1394 module.
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FRONT_AUDIO K8N8X-LA K8N8X-LA Front Panel Audio Connector 10. Digital audio connector (3-pin SPDIF) This connector is for an S/PDIF audio module that allows digital instead of analog sound output. Connect one end of the audio cable to this connector and the other end to the S/PDIF module.
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FRONT_PANEL K8N8X-LA HDLED Reset SW K8N8X-LA Front Panel Connector • System Power LED Lead (2-pin PLED) This 3-1 pin connector connects to the system power LED. The LED lights up when you turn on the system power, and blinks when the system is in sleep mode.