Asus P1-PH1 - Manual (Page 25)

2-9 ASUS Pundit P1-PH1 system
2.7 Installing memory modules
2.7.1 Overview
The system motherboard has two DDR II DIMM sockets that support up to
2GB non-ECC PC5300/4200/3200 DDR II SDRAM DIMMs. Each DIMM
socket is double-sided. Refer to the illustration below for the location of the
DIMM sockets.
For optimum compatibility, we recommend that you obtain memory
modules from the same vendor. Refer to section 2.7.3 for a list of
qualified DDR vendors.
2.7.2 Memory configurations
You may install 64MB, 128MB, 256MB, 512MB, and 1GB DDR II DIMMs
to the DIMM sockets.
®
240-pin DDR2 DIMM sockets
DIMMA1
DIMMB1