Chow System Specifications

Hardware: Dell PowerEdge 2850 Dual Xeon 2U Rack Server

Processor  

Processor type Two Intel® Xeon processors  3.0GHz
Front-side bus speed 800 MHz
L2 cache 2MB internal cache

Expansion Bus 

Bus type PCI-X, PCI Express
Expansion slots via riser card cage:  

PCI-X

one 3.3-V, 64-bit, 100-MHz or three 3.3-V, 64 bit, 133MHz

PCI Express

one x4 lane width
one x8 lane width

Memory 

Architecture DDR2 SDRAM DIMMs, 400-MHz
Memory module sockets Six 240-pin
Memory module capacities 256 MB, 512 MB, 1 GB, 2 GB, or 4 GB
Current RAM 4GB (4x1GB)
Maximum RAM 16 GB

Drives 

SCSI hard drives Five 73GB 15K RPM Ultra 320 SCSI drive (maximal six), internal, 1-inch, hot-plug
Diskette drive one 3.5-inch, 1.44-MB
Optical drive one IDE CD ROM

Connectors 

Externally accessible

Back

Network Adapter

Two integrated 1-Gigabit NICs (RJ-45)

PS/2-style keyboard

6-pin mini-DIN

PS/2-compatible mouse

6-pin mini-DIN

Serial

9-pin, DTE, 16550-compatible

USB

Two 4-pin, USB 2.0 compliant

Video

15-pin VGA

Front

Video

15-pin VGA

USB

Two 4-pin, USB 2.0 compliant
Internally accessible

SCSI channels

Two 68-pin U320 SCSI

Video 

Video type ATI Radeon 7000-M video controller; VGA connectors
Video memory 16 MB

Power 

AC power supply

Wattage

700W

Voltage

84 -264 VAC, autoranging, 47-63 Hz, 10.1 A

Heat dissipation

2388 BTU/hr maximum

Maximum inrush current

Under typical line conditions and over the entire system ambient operating range, the inrush current may reach 25 A per power supply for 10 ms or less.
Batteries  

System battery

CR 2032 3.0-V lithium ion coin cell

ROMB battery (optional)

4.1-V lithium ion

Physical 

Height 8.656 cm (3.40 in)
Width 44.7 cm (17.6 in)
Depth 75.68 cm (29.79in)
Weight 26.76 kg (59 lb)
 

Environmental 

Temperature

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)
Relative humidity

Operating

8% to 85% (noncondensing) with a maximum humidity gradation of 10% per hour

Storage

5% to 95% (noncondensing)
Maximum vibration

Operating

0.25 G at 3–200 Hz for 15 min

Storage

0.5 G at 3–200 Hz for 15 min
Maximum shock

Operating

One shock pulse in the positive z axis (one pulse on each side of the system) of 41 G for up to 2 ms

Storage

Six consecutively executed shock pulses in the positive and negative x, y, and z axes (one pulse on each side of the system) of 71 G for up to 2 ms
Altitude

Operating

–16 to 3048 m (–50 to 10,000 ft)

Storage

–16 to 10,600 m (–50 to 35,000 ft)
 

Operating System:

Redhat Enterprise Linux ES Version 3.3 running on kernal 2.4.21-32.0.1.ELsmp.


Page last updated 8/28/2005.
Feedback: jkong@math.jhu.edu.
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