Asus S-presso Qualified DDR400 vendors list, 2.7.1Memory configurations

2.7Installing a DIMM

The system motherboard comes with two Double Data Rate (DDR) Dual Inline Memory Module (DIMM) sockets that support dual-channel memory configuration using unbuffered non-ECC PC3200/2700/2100 DIMMs.

2.7.1Memory configurations

You may install up to 2 GB system memory using 64 MB, 128 MB, 256 MB, 512 MB, and 1 GB DDR DIMMs.

Obtain DDR DIMMs only from ASUS qualified vendors. Refer to the Qualified DDR400 vendors list below. Visit the ASUS website (www.asus.com) for the latest DDR Qualified Vendors List.

Qualified DDR400 vendors list

This table lists the memory modules that have been tested and qualified for use with this motherboard.

S i z e	V e n d o r	Par t Number	Chi p Brand	Chi p Number
256MB	Samsung	M368L3223DTM-CC4	Samsung	K4H560838D-TCC4
256MB	Samsung	M368L3223ETM-CCC	Samsung	K4H560838E-TCCC
512MB	Samsung	M368L6432ETM-CCC	Samsung	K4H560838E-TCCC
256MB	Infineon	HYS64D32300GU-5-B	Infineon	HYB25D256800BT-5B
512MB	Infineon	HYS64D64320GU-5-B	Infineon	HYB25D256800BT-5B
256MB	Transcend	TS32MLD64V4F3	Samsung	K4H560838D-TCC4
512MB	Transcend	TS64MLD64V4F3	Samsung	K4H560838D-TCC4
256MB	Winbond	W9425GCDB-5	Winbond	W942508CH-5
512MB	Winbond	W9451GCDB-5	Winbond	W942508CH-5
256MB	A DATA	MDOAD5F3G315B1ECZ	Samsung	K4H560838D-TCC4
256MB	TwinMOS	MDSTTUF08108L294K4FW0/T TwinMOS		TMD7608F8E50B
512MB	Hynix	HYMD264646B8J-D43 AA	Hynix	HY5DU56822BT-D43
512MB	Apacer	77.10636.465	Samsung	K4H560838D-TCC4

• Install only identical (the same type and size) DDR DIMM in DIMM_A and DIMM_B.

•Always install DIMMs with the same CAS latency. For optimum compatibility, we recommend that you obtain memory modules from the same vendor.

•This motherboard only supports x4, x8, x16 chips per module DDR DIMMs.

•Make sure that the memory frequency matches the CPU FSB (Front Side Bus). Refer to the Memory frequency/CPU FSB synchronization table on the next page.

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