Motherboard Features:

Chassis Features:

•  TYAN Thunder n4250QE S4985-E
• SSI MEB footprint (13" x 16")

• 2U rack-mountable chassis
• Storage
• (1) Slim DVD-ROM (Pre-installed)
• (1) Slim FDD (Optional)
• (2) 3.5” HDD SAS/SATA II hot swappable bays

• Four uPGA 1207-pin ZIF sockets
• Supports up to four AMD Opteron™ Rev. F 8000
  Series Santa Rosa dual-core processors, and
   Barcelona quad-core processors
• Support AMD Dual Dynamic Power Management
   feature
• Integrated 128-bit DDR Memory Controller

• EPS 12V 850W with PFC
• 90~264 VAC full range input

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

• I/O
• (2) USB 2.0 ports
• LED indicators
• Power LED
• (2) LAN LED
• HDD Active LED
• ID LED
• Switch
• Power, Reset, ID

• (16) 240-pin DDR2 DIMM sockets on (4 per CPU)
• Supports up to 64GB of DDR2 667/533/400 DIMMs
• Supports Registered, ECC & four rank memory
  module

• One Keyboard & One PS/2 Mouse ports
• Three RJ45 10/100/1000 Base-T port with activity LED
• Two USB 2.0 ports
• One 9-pin UART Serial port
• One 15-pin VGA port

• Support low-profile add-on card only
• Two(2) x16 PCI Express slot with x16 signal
• Two(2) x16 PCI Express slot with x4 signal
• One(1) 32-bit 33MHz PCI v2.3 slot

• Four(4) dual-port SATA controllers (two from
     CK804pro and two from IO4)
• Eight(8) SATA2 ports for up to eight drives at  
     3.0Gb/s
• Supports RAID 0, 1, 0+1, 5 (Note: TX46-B4985-E only can support RAID 0,1 with the HDD bay q'ty limitation.)

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

• 4 x 80*80*38mm DC Fan
• 4 active CPU coolers

• Automatic fan speed contro
• l Support Tyan Server Management(TSM)
• TYAN SMDC M3291, IPMI v2.0 compliant remote server management kit (Option)

• Operating: 5~35℃
• Non-Operating: -40~70℃

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

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

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