Memory Configurations; Installing A Dimm - Asus P4B266-C User Manual

2.5.2 Memory configurations

Install DDR DIMMs in any of the following combinations.
DIMM Location
DDR1 (Rows 0&1)
DDR2 (Rows 2&3)
Total system memory (Max. 2GB)

2.5.3 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.
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.
ASUS P4B266-C motherboard user guide
184-pin DDR DIMM
64MB, 128MB, 256MB, 512MB, 1GB x1
64MB, 128MB, 256MB, 512MB, 1GB x1
Total Memory
=
Unlocked Retaining Clip
2-11