Asus TW300-E5/PI4 - Manual (Page 30)

Chapter 2: Hardware setup 2-10
2.4 System memory
2.4.1 Overview
The motherboard comes with four Double Data Rate II (DDR2) Dual Inline Memory
Modules (DIMM) sockets to support 240-pin DDR2 modules.
The figure illustrates the location of the DDR2 DIMM sockets:
P5E WS PRO
®
P5E WS Professional 240-pin DDR2 DIMM sockets
DIMM_A2 DIMM_A1 DIMM_B2 DIMM_B1
Channel Sockets
Channel A DIMM_A1 and DIMM_A2
Channel B DIMM_B1 and DIMM_B2
This chipset officially supports DDR2 800/667MHz. With the ASUS Super
Memspeed Technology, the motherboard natively supports up to DDR2
1066MHz and provides more ratio setting items than the chipset officially
supports. Refer to the table below for details.
FSB 1333 1066
DDR2 1066 800 667 1066 800 667