* Two 240-pin DDR2 DIMM sockets that support DDR2 400 and DDR2 533 DIMMs
* Two 184-pin DDR1 DIMM sockets that support PC2700 (DDR333) and PC3200 (DDR400) DIMMs
* Supports dual channel (128-bit wide) memory interface
* Supports up to 2GB system memory
* Supports non-ECC x8 and x16 DIMMs
* Supports 256Mb and 512Mb DRAM densities
* Supports unbuffered DIMMs
* Gigabit ethernet controllers - Marvell 88E8053 PCI Express and Marvell 88E8001 PCI
* Full duplex support at both 10 Mbps, 100 Mbps and 1Gbps
Serial ATA
* Supports four SATA (Serial ATA) interfaces which are compliant with SATA 1.0 specification (1.5Gbps interface)
IDE
* Supports ATA/33, ATA/66 and ATA/100 hard drives
IEEE 1394
* Supports two 100/200/400 Mb/sec ports
Rear Panel I/O Ports
* 1 mini-DIN-6 PS/2 mouse port
* 1 mini-DIN-6 PS/2 keyboard port
* 2 S/PDIF RCA jacks (S/PDIF-in and S/PDIF-out)
* Karajan audio card (6 audio jacks)
* 1 IEEE 1394 port
* 2 RJ45 LAN ports
* 6 USB 2.0/1.1 ports
I/O Connectors
* 1 connector for 2 additional external USB 2.0/1.1 ports
* 1 connector for 1 external IEEE 1394 port
* 1 connector for 1 external serial port
* 1 front audio connector for external line-out and mic-in jacks
* 1 CD-in internal audio connector
* 1 S/PDIF connector for optical cable connection
* 1 IR connector
* 1 CIR connector
* 4 Serial ATA connectors
* 1 IDE connector
* 1 floppy connector
* 2 ATX power supply connectors
* 5 fan connectors
* 4 diagnostic LEDs
* 1 diagnostic LED connector for external 4 diagnostic LEDs display
* EZ touch switches (power switch and reset switch)
Power Management
* Supports ACPI specification and OS Directed Power Management
* Supports ACPI STR (Suspend to RAM) function
* Wake-On-Events include: - Wake-On-PS/2 Keyboard/Mouse - Wake-On-USB Keyboard/Mouse - Wake-On-Ring (external modem) - Wake-On-LAN - RTC timer to power-on the system
* AC power failure recovery
Compatibility
* PCI 2.2 and Azalia compliant
Hardware Monitor
* Monitors CPU/system temperature and overheat alarm
* Monitors 12V/5V/3.3V/Vcore/Vbat/5Vsb/3.3Vsb voltages
* Monitors the speed of the CPU/system fan
* CPU Overheat Protection function monitors CPU temperature and fan during system boot-up - automatic shutdown upon system overheat
PCB
* 6 layers, ATX form factor
* 24.5cm (9.64") x 30.5cm (12")