Intel® P45 Express Chipset

CPU
# LGA 775 socket for: - Intel® Core2 Quad and Intel® Core2 Duo
# Supports Intel Enhanced Memory 64 Technology (EMT64T)
# Supports Enhanced Intel SpeedStep Technology (EIST)
# Supports Intel Hyper-Threading Technology
# Supports 1333/1066/800MHz FSB

Chipset
# Intel® chipset - Northbridge: Intel® P45 Express chipset Intel® Fast Memory Access technology - Southbridge: Intel® ICH10R

System Memory
# Four 240-pin DDR2 DIMM sockets
# Supports DDR2 667/800/1066 MHz
# Delivers up to 12.8Gb/s bandwidth
# Supports dual channel (128-bit wide) memory interface
# Supports up to 8GB system memory
# Supports unbuffered x8 and x16 DIMMs

Expansion Slots
# 2 PCI Express (Gen 2) x16 slots - 2-way CrossFire: One slot operating at x16 (16-lane port) or two slots each operating at x8 (8-lane ports) bandwidth
# 2 PCI Express x1 slots
# 2 PCI slots

BIOS
# Award BIOS
# 8Mbit SPI flash BIOS
# CMOS Reloaded

Audio
# Realtek ALC885 High Definition audio CODEC
# 8-channel audio output
# DAC SNR/ADC SNR of 106dB/101dB
# Full-rate lossless content protection technology
# Optical S/PDIF-out and coaxial RCA S/PDIF-out interfaces

LAN
# Marvell 88E8053 PCIE Gigabit LAN controller
# Fully compliant to IEEE 802.3 (10BASE-T), 802.3u (100BASE-TX) and 802.3ab (1000BASE-T) standards

Serial ATA with RAID
# Intel Matrix Storage technology
# Supports up to 6 SATA devices
# SATA speed up to 3Gb/s
# RAID 0, RAID 1, RAID 0+1 and RAID 5

IDE
# JMicron JMB368 PCI Express to PATA host controller
# Supports up to 2 UltraDMA 33/66/100Mbps IDE devices

Rear Panel I/O
# 1 mini-DIN-6 PS/2 mouse port
# 1 mini-DIN-6 PS/2 keyboard port
# 1 optical S/PDIF-out port
# 1 coaxial RCA S/PDIF-out port
# 6 USB 2.0/1.1 ports
# 1 RJ45 LAN port
# Center/subwoofer, rear R/L and side R/L jacks
# Line-in, line-out (front R/L) and mic-in jacks

Internal I/O
# 3 connectors for 6 additional external USB 2.0 ports
# 1 connector for an external COM port
# 1 front audio connector
# 1 CD-in connector
# 1 IrDA connector
# 6 Serial ATA connectors
# 1 40-pin IDE connector
# 1 floppy connector
# 1 24-pin ATX power connector
# 1 8-pin 12V power connector
# 2 4-pin 5V/12V power connectors (FDD type)
# 1 front panel connector
# 4 fan connectors
# 1 download flash BIOS connector
# 1 diagnostic LED
# EZ touch switches (power switch and reset switch)

Power Management
# ACPI and OS Directed Power Management
# ACPI STR (Suspend to RAM) function
# Wake-On-PS/2 Keyboard/Mouse
# Wake-On-USB Keyboard/Mouse
# Wake-On-LAN
# Wake-On-Ring
# RTC timer to power-on the system
# AC power failure recovery

Hardware Monitor
# Monitors CPU/system/Northbridge temperature and overheat alarm
# Monitors Vcore/Vdimm/Vnb/VCC5/12V/V5sb/Vbat voltages
# Monitors the speed of the cooling fans
# CPU Overheat Protection function monitors CPU temperature and fan during system boot-up - automatic shutdown upon system overheat

PCB
# ATX form factor
# 24.5cm (9.64″) x 30.5cm (12″) PCB in Black

Closer look  DK P45-T2RS..