Asus P5B User Manual

2-14 Chapter 2: Hardware information
Notes on memory limitations
• Due to chipset limitation, this motherboard can only support up to
8 GB on the operating systems listed below. You may install a maximum of
2 GB DIMMs on each slot, but only DDR2-533 and DDR2-667 2 GB density
modules are available for this conguration.
32-bit 64-bit
Windows
®
2000 Advanced Windows
®
XP Professional x64
Server Edition
• Some old-version DDR2-800/667 DIMMs may not match Intel
®
’s
On-Die-Termination (ODT) requirement and will automatically downgrade to
run at DDR2-533. If this happens, contact your memory vendor to check the
ODT value.
• Due to chipset limitation, DDR2-800 with CL=4 will be downgraded to run
at DDR2-667 by default setting. If you want to operate with lower latency,
adjust the memory timing manually.
• Due to chipset limitation, DDR2-667 with CL=3 will be downgraded to run
at DDR2-533 by default setting. If you want to operate with lower latency,
adjust the memory timing manually.

Asus P5B Specifications

General

ECC	No
Number of memory slots	4
Processor socket	LGA 775 (Socket T)
Processor manufacturer	Intel
Maximum number of SMP processors	1
USB 2.0 connectors	3
S/PDIF out connector	Yes
Number of SATA connectors	5
Special features	- ASUS AI Gear - ASUS AI Nap - ASUS Q-Fan 2 - ASUS Noise Filter - ASUS Q-Connector - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2
Manageability features	WfM 2.0, DMI 2.0, WOL @ PME, WOR @ PME, PXE
Controller interface type	JMicron JMB363
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio output channels	7.1 channels
Motherboard form factor	ATX
Bundled software	ASUS PC Probe II ASUS Update AI Booster
Networking features	Gigabit Ethernet
BIOS memory size	64 Mbit

Weight and Dimensions

Depth	245 mm
Width	305 mm