Motherboard Features:

Motherboard
 • TYAN Thunder K8SRE (S2891G2NR-BB)
 • Form Factor: E-ATX footprint (13" x 12")

Processor
 • Up to two AMD Opteron™ 200 series processors
 • Supports single/dual core

Chipset
 • NVIDIA nForce4 Professional +
 • AMD 8131 HyperTransport PCI-X Tunnel
 • Winbond W83627HF Super I/O chip
 • ADT7463 Hardware monitor IC

Memory
 • Eight 184-pin 2.5V DDR DIMM sockets
 • Supports up to 16GB reg. ECC DDR memory
 • Support DDR333/400 memory
 • Support Single and Dual Rank memory
 • Support 'Chipkill' technology

Expansion
 • One PCI-E x16 slot, supporting full-height /
     half-length card
 • (1) 64-bit 100MHz (3.3V) PCI-X slot, supporting
     low profile card (for S4H, S4-LC sku only)

Integrated Storage Controller
 • Model B2891G24U4H
     - Add-on Tyan M7901 SCSI controller card
       (Adaptec AIC 7901 single ch. Ultra320 SCSI
       controller), connected to TYAN TARO SO-DIMM
     - Supporting HostRAID 0, 1 & 10
 • Model B2891G24S4H, B2891G24S4-LC
     - Two dual-port SATA II controllers integrated
       in NVIDIA nForce4 Pro chip
     - Supporting 3Gb/sec. per port
     - Support RAID 0, 1, 0+1

Integrated PCI Graphics
 • ATI® RAGE™ XL PCI graphics controller
 • 8MB Frame Buffer of video memory

Networking
 • (2) Gigabit Ethernet ports (Broadcom BCM5704
     dual port controller) connected to 133MHz
     PCI-X bus

Server Management
 • Automatic system fan speed control
 • Chassis intrusion alert
 • Support Tyan Server Management (TSM)
 • TYAN SMDC, IMPI v1.5 compliant
     Remote server management kit (option)

BIOS
 • Phoenix 4Mbit LPC Flash ROM
 • LAN remote boot (PXE) support, USB device boot
 • SMBIOS 2.3.1, BBS 1.1 compliant
 • ACPI 2.0 power management support

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Chassis Features:

Enclosure
 • Industry 19" rack-mountable 1U chassis
 • (1) slim CD-ROM bay; (4) 3.5" HDD bays; (1) slim
     line FDD bay
 • Dimensions (inch): 17.2"(W) x 25.4"(D) x 1.72"(H)
 • Dimensions (mm): 436 (W) x 645 (D) x 43.6 (H)

Power Supply
 • EPS 12V, 1U, 500W with PFC
 • 100V~240V AC input

Front Panel Features
 • I/O: (2) USB 2.0 ports
 • Switch: Power; Reset
 • LED indicators:
     HDD active, Power, (2) LAN
 
Back I/O Ports
 • Stacked PS/2 Mouse & Keyboard ports
 • (2) USB 2.0 ports
 • (1) 9-pin UART Serial port
 • (1) 15-pin VGA port
 • (2) RJ-45 10/100/1000 Base-T LAN connectors

Storage
 • B2891G24U4H: supports up to 4 hot-swappable
     ultra320/160 SCSI HDDs
 • B2891G24S4H: supports up to 4 hot-swappable
     SATA-I/SATA II HDDs
 • B2891G24S4-LC: supports up to 4 internal
     IDE/SATA-II HDDs
 • Pre-installed slim line CD-ROM
     (optional for B2891G24S4-LC)

Environment Temperature
 • Operating temperature 5°C ~ 35°C

Regulatory
 • FCC Class B (Declaration of Conformity)
 • CE (Declaration of Conformity)
 • UL Safety Certificate
 • UL (Underwriters Laboratories Inc.) certified