Asus P4SDX - Manual (Page 20)

1-10 Chapter 1: Product introduction
1.8.2 Installing the CPU
Follow these steps to install a CPU.
1. Locate the 478-pin ZIF socket on the motherboard.
2. Unlock the socket by pressing the lever
sideways, then lift it up to a 90°-100°
angle.
3. Position the CPU above the socket such
that its marked corner matches the base of
the socket lever.
5. When the CPU is in place, push down the socket lever to secure the CPU. The
lever clicks on the side tab to indicate that it is locked.
6. Install a CPU heatsink and fan following the instructions that came with the
heatsink package.
7. Connect the CPU fan cable to the CPU fan connector on the motherboard.
Notes on Intel ® Hyper-Threading Technology
To use the Hyper-Threading Technology on this motherboard:
1. Buy an Intel Pentium 4 CPU that supports Hyper-Threading Technology. Install
the CPU.
2. Power up the system and enter BIOS Setup (see Chapter 2). Under the
Advanced Menu, make sure that the item Hyper-Threading Technology is set
to Enabled. The item appears only if you installed a CPU that supports Hyper-
Threading Techonology.
3. Reboot the computer.
1. This motherboard supports Intel Pentium 4 CPUs with Hyper-Threading
Technology. (since PCB R2.00 or later versions)
2. Hyper-Threading Technology is supported under Windows XP and Linux
2.4.x (kernel) and later versions only. Under Linux, use the Hyper-Threading
compliler to compile the code. If you are using any other operating systems,
disable the Hyper-Threading Techonology item in BIOS to ensure system
stability and performance.
3. It is recommended that you install WinXP Service Pack 1.
4. Make sure to enable the Hyper-Threading Technology item in BIOS before
installing a supported operating system.
5. For more information on Hyper-Threading Technology, visit www.intel.com/
info/hyperthreading.
Make sure that the socket lever is
lifted up to 90°-100° angle, otherwise
the CPU does not fit in completely.
Socket Lever
Gold Mark
90°-100° angle
4. Carefully insert the CPU into the socket until it fits in place. The CPU fits only in
one correct orientation. DO NOT force the CPU into the socket to prevent
bending the pins and damage the CPU!