ASUS P5B LGA-775

CPU
Intel® Quad-core CPU Ready
LGA775 socket for Intel® Core™2 Extreme / Core™2 Duo / Pentium® Extreme / Pentium® D / Pentium® 4 / Celeron® D Processors
Compatible with Intel® 05B/05A/06B processors
Intel® Hyper-Threading Technology ready
Support Intel® next generation 45nm Multi-core CPU
* Refer to www.asus.com for Intel CPU support list
* * Please update the latest BIOS to support Intel 45nm CPU
Chipset
Intel® P965 / ICH8 with Intel® Fast Memory Access Technology
Front Side Bus
1066 / 800 / 533 MHz
Memory
4 x DIMM, max. 8GB, DDR2 800 / 667 / 533 MHz, non-ECC, un-buffered memory
Dual channel memory architecture
* Refer to www.asus.com or user manual for Memory QVL (Qualify Vendor List)
**When installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Expansion Slots
1 x PCI-E x16
3 x PCI-E x1
3 x PCI 2.2
Storage
Southbridge
- 4 x SATA 3.0 Gb/s ports
JMicron® JMB363 PATA and SATA controller
- 1 x UltraDMA 133/100/66 for up to 2 PATA devices
- 1 x Internal SATA 3.0 Gb/s port
- 1 x External SATA 3.0 Gb/s port (SATA On-the-Go)
- Support SATA RAID 0, 1 and JBOD (by 1x External SATA & 1x Internal SATA)
LAN
Realtek® PCI-E Gigabit LAN controller
Audio
ADI® 8-channel High Definition Audio CODEC
- Support Jack-Sensing, Enumeration, Multi-streaming and Jack-Retasking
- Coaxial / Optical S/PDIF out ports at back I/O
- ASUS Noise Filter

USB
10 x USB 2.0 ports (6 ports at mid-board, 4 ports at back panel)
Overclocking Features
Intelligent overclocking tools:
- AI NOS™ (Non-delay Overclocking System)
- AI Overclocking (intelligent CPU frequency tuner)
- ASUS AI Booster utility
Precision Tweaker:
- vCore: Adjustable CPU voltage at 0.0125V increment
- vDIMM: 2-step DRAM voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 100MHz up to 400MHz at 1MHz increment
- Memory tuning from 400MHz up to 1066MHz
- PCI Express frequency tuning from 90MHz up to 150MHz at 1MHz increment
Overclocking Protection:
- ASUS C.P.R.(CPU Parameter Recall)
ASUS Unique Features
ASUS Quiet Thermal Solution:
- ASUS AI Gear
- ASUS AI Nap
- ASUS Q-Fan 2
ASUS Crystal Sound:
- ASUS Noise Filter
ASUS EZ DIY:
- ASUS Q-Connector
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
Other ASUS Special Features
ASUS MyLogo 2
Back Panel I/O Ports
1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x Parallel port
1 x S/PDIF Out (Coaxial + Optical)
1 x External SATA
1 x RJ45 port
4 x USB 2.0/1.1
8-Channel Audio I/O
Internal I/O Connectors
3 x USB connectors support additional 6 USB ports
1 x Floppy disk drive connector
1 x IDE connector
1 x COM connector
5 x SATA connectors
1 x CPU Fan connector
2 x Chassis Fan connector
1 x Power Fan connector
Front panel audio connector
1 x Azalia Digital Header
1 x S/PDIF Out Header
Chassis Intrusion connector
CD audio in
24-pin ATX Power connector
1 x 4-pin ATX 12V Power connector
System Panel
BIOS
8 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI 2.0a, ASUS EZ Flash 2, ASUS CrashFree BIOS 3
Manageability
WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE

+I/O shield krytka