Asus A7N8X-XE manual System memory, Memory configurations, Recommended memory configurations

1.7System memory

1.7.1Overview

The motherboard has three Double Data Rate (DDR) DIMM sockets that support up to 3 GB unbuffered non-ECC DDR400/333/266 DDR SDRAM DIMMs. Each DIMM socket is double-sided.

A7N8X-XE

DIMMA1 DIMMA2 DIMMB1

A7N8X-XE 184-pin DDR DIMM sockets

1.7.2Memory configurations

You may install single or double-sided 64 MB, 128 MB, 256 MB, 512 MB, and 1 GB DDR DIMMs to the sockets.

Table 1 Recommended memory configurations

Mode		DIMM_A1	Sockets
			DIMM_A2 DIMM_B1
Single-channel	(1)	Populated	—	—
	(2)	—	Populated	—
	(3)	—	—	Populated
Dual-channel*	(1)	Populated	—	Populated
	(2)	—	Populated	Populated
	(3)	Populated	Populated	Populated

1. DIMMs with more than 8 devices on each side of the module are not supported. 2. Make sure the memory frequency and bus frequency setting in the BIOS are

the same or set to [Auto] ensure system stability.

3.A DDR DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into a socket to avoid damaging the DIMM.

4.For optimum compatibility, it is recommended that you obtain memory modules from qualified vendors. See the next page for a list of qualified DDR400 DIMM vendors.

5.Visit ASUS website (www.asus.com) for latest DDR400 Qualified Vendor List.

ASUS A7N8X-XE Motherboard 1-9