Motherboard

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

Processor
 • Supports up to four or eight AMD Opteron™
     (Ref. F) 8000 series processors

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 on S4985
 • (16) 240-pin DDR2 DIMM sockets on M4985
 • Up to 128GB of 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

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, 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
 • Serial Console Redirect
 • USB device boot
 • 48-bit LBA support
 • ACPI 2.0 power management support
 • Power management: S0, S1, S4, and S5

CPU Board (8 way)

 • TYAN M4985 (13" x 12") 

Chassis

Enclosure
 • 5U Convertible Pedestal/rack-mount chassis
 • Dimension: 16.7" (W) x 26.8" (D) x 8.7" (H)
 • Dimension (mm): 425 (W) x 680 (D) x 220 (H)

Power Supply
 • 1140W to 1620W, optional redundant module
 • 1140W: 4P (2+1 redundant w/ 1 Dummy module)
 • 1620W: 8P (3+1 redundant)

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

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
 • (3) 5.25" device bays (Pre-installed one Standard DVD-ROM)
 • (1) Slim optical drive bay
 • (1) Standard FDD (Pre-installed)
 • (4) Hot-swap SAS/SATA HDD bays
 • (4) Internal HDD bays (hot-swap bays upgradable)

Onboard Storage Controller
 • (4) integrated dual-port SATA controllers
   (two from CK804pro and two from IO4)
 • Supports up to eight SATA drives
 • Supports 3.0Gb/s per port,
   1.5Gb/s per direction per channel
 • Supports RAID 0, 1, 0+1, 5

System Cooling
 • (3) 120*38 mm cooling fans
 • (4) active CPU coolers for S4985
 • (4) active CPU coolers for M4985

Environment
 • Operating temperature: 5~35 Degree C

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