Motherboard

 • TYAN Thunder n4250QE (S4985)
 • Quad AMD Opteron™ system board
 • SSI MEB footprint (13" x 16")

Processor
 • Support up to four AMD Opteron™ (Rev.F) 8000
     series processors (Socket 1207)

Chipset
 • nVIDIA nForce Professional 2200 (CK804pro)
 • nVIDIA nForce Professional 2050 (IO4)
 • Winbond W83627HF Super I/O chip
 • ADT7476 Hardware monitoring IC

System Memory
 • (16) 240-pin DDR2 DIMM sockets (4 per CPU)
 • Up to 64GB reg. DDR2 667/533/400 DIMMs
 • Support ECC and 4 banks memory modules

Expansion Slots
 • (2) PCI Express x16 slot with x16 signal
 • (2) PCI Express x16 slot with x4 signal
 • (1) PCI v2.3 32-bit 33 MHz slot
 • Supports low-profile add-on cards only

Integrated PCI Graphics
 • XGI Volari Z7™ (XG20) PCI graphics controller
 • 16MB Frame Buffer of video memory

Server Management
 • Automatic fan speed control
 • Support Tyan Server Management (TSM)
 • Tyan SMDC M3291, IPMI v2.0 compliant
     remote server management kit (option)

Integrated LAN Controller
 • (3) Gigabit Ethernet ports
     - (2) Marvell 88E1111 GbE PHY
     - (1) Intel 82541PI GbE LAN controller

BIOS
 • Phoenix BIOS with 8Mbit LPC Flash ROM
 • ACPI 2.0
 • Serial Console Redirect
 • USB device boot
 • 48-bit LBA support
 • Power management: S0, S1, S4, and S5

Chassis

Enclosure
 • 2U rack-mountable chassis
 • Dimension: 17.12" (W) x 28" (D) x 3.5" (H)
 • Dimension (mm): 435 (W) x 713 (D) x 88 (H)

Power Supply
 • EPS 12V 850W with PFC
 • Voltage: 90~264 VAC full range input

Front Panel Features
 • I/O: (2) USB 2.0 ports
 • LED indicators:
     HDD Active LED, power LED, (2) LAN LED, ID LED
 • Switch: power, reset, ID

Back I/O Ports
 • (1) keyboard & (1) PS/2 mouse ports
 • (3) GbE LAN ports with activity LED
 • (2) USB 2.0 ports
 • (1) 9-pin UART serial port
 • (1) 15-pin VGA port

Storage
 • (1) Slim DVD-ROM (pre-installed)
 • (1) Slim FDD (optional)
 • (2) 3.5" HDD SAS/SATA II hot-swap bays

Onboard Storage Controller
 • (4) dual-port SATA controllers
   (two from CK804pro and two from IO4)
 • (8) SATA2 ports for up to eight drives at 3.0Gb/s
 • Supports RAID 0, 1, 0+1, 5

System Cooling
 • (4) system cooling fans (80 x 80 x 38 mm)
 • 4 active CPU coolers

Environment
 • Operating temperature: 5~35 Degree C

Regulatory
 • FCC Class B (Declaration of Conformity)
 • CE (Declaration of Conformity)