Asus P4P800S SE 1.9.2 Installing a DIMM, DDR400 Qualified Vendor List (QVL), Important notes on ECC DIMMs, Follow these steps to install a DIMM

Unlocked Retaining Clip

DDR400 Qualified Vendor List (QVL)

Size	Vendor	Model	Brand	DS/SS	Component
256MB	KINGSTON	KVR400X72C25/256	Winbond	SS	W942508BH-5(ECC)*
512MB	KINGSTON	KVR400X72C25/512	Winbond	DS	W942508BH-5(ECC)*
256MB	SAMSUNG	M381L3223ETM-CCC	SAMSUNG	SS	K4H560838E-TCCC(ECC)*
512MB	SAMSUNG	M381L6423ETM-CCC	SAMSUNG	DS	K4H560838E-TCCC(ECC)*
256MB	ATP	AG32L72T8SQC4S	SAMSUNG	SS	K4H560838D-TCC4(ECC)*
512MB	ATP	AG64L72T8SQC4S	SAMSUNG	DS	K4H560838D-TCC4(ECC)*
256MB	KINGSTON	KVR400X72C3A/256	MOSEL	SS	V58C2256804SAT5(ECC)*
512MB	KINGSTON	KVR400X72C3A/512	MOSEL	DS	V58C2256804SAT5(ECC)*
256MB	KINGMAX	MPXB62D-38KT3R	KINGMAX	SS	KDL388P4EA-50
512MB	KINGMAX	MPXC22D-38KT3R	KINGMAX	DS	KDL388P4EA-50(A)

Important notes on ECC DIMMs

You can use the ECC* DIMMs listed on the QVL, however, it will work only in unbuffered non-ECC mode because the chipset does not support ECC function.

Obtain DDR DIMMs only from ASUS qualified vendors for better system performance. Visit the ASUS website (www.asus.com) for the latest QVL.

1.9.2 Installing a DIMM

Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components.

Follow these steps to install a DIMM. DDR DIMM notch

1.Unlock a DIMM socket by pressing the retaining clips outward.

2.Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket.

3.Firmly insert the DIMM into the socket until the retaining clips snap back inplace and the DIMM is properly seated.

1-14 Chapter 1: Product introduction