Technical Specifications

Dell™ PowerEdge™ 400SC Systems User's Guide

Processor

Processor type

One Intel® Celeron® with a minimum clock speed of at least 2.0 GHz, or one Intel Pentium® 4 with a minimum clock speed of at least 2.2 GHz

Front-side bus speed

From 400 MHz, depending on processor

Secondary cache

From 128 KB of L2, depending on processor

Processor
Processor type	One Intel® Celeron® with a minimum clock speed of at least 2.0 GHz, or one Intel Pentium® 4 with a minimum clock speed of at least 2.2 GHz
Front-side bus speed	From 400 MHz, depending on processor
Secondary cache	From 128 KB of L2, depending on processor

Expansion Bus

Bus type

PCI 2.2

Expansion slots

Four 5.0-V connectors supporting 3.3-V universal or 5.0-V cards, half-length, 32-bit, 33-MHz

Expansion Bus
Bus type	PCI 2.2
Expansion slots	Four 5.0-V connectors supporting 3.3-V universal or 5.0-V cards, half-length, 32-bit, 33-MHz

Memory

Architecture

Dual-channel DDR 333 and DDR 400 SDRAM, ECC, 64-bit DIMMs
NOTE: DDR 333 DIMMs operate at 320 MHz when used with a Pentium 4 processor with an 800-MHz front-side bus.

Memory module sockets

Four 184-pin

Memory module capacities

128 MB, 256 MB, 512 MB, 1 GB

Minimum RAM

128 MB

Maximum RAM

4 GB

Memory
Architecture	Dual-channel DDR 333 and DDR 400 SDRAM, ECC, 64-bit DIMMs NOTE: DDR 333 DIMMs operate at 320 MHz when used with a Pentium 4 processor with an 800-MHz front-side bus.
Memory module sockets	Four 184-pin
Memory module capacities	128 MB, 256 MB, 512 MB, 1 GB
Minimum RAM	128 MB
Maximum RAM	4 GB

Drives

Hard drives

Two 1-inch, internal IDE, SATA (when available), or SCSI (with optional SCSI controller installed)

Diskette drive

One 3.5-inch, 1.44-MB

Optical drives

IDE CD, DVD, or CD-RW/DVD combination in one or both of the two 5.25-inch peripheral bays

Tape drive (optional)

IDE tape backup unit in the lower 5.25-inch peripheral bay

Drives
Hard drives	Two 1-inch, internal IDE, SATA (when available), or SCSI (with optional SCSI controller installed)
Diskette drive	One 3.5-inch, 1.44-MB
Optical drives	IDE CD, DVD, or CD-RW/DVD combination in one or both of the two 5.25-inch peripheral bays
Tape drive (optional)	IDE tape backup unit in the lower 5.25-inch peripheral bay

Connectors

Externally accessible (back)

NIC

RJ-45

Parallel

25-pin (bidirectional)

PS/2 (keyboard and mouse)

Two 6-pin mini-DIN

Serial

Two 9-pin, 16550-compatible

USB

Six 4-pin, USB 2.0-compliant

Video

15-pin VGA

Internally accessible

Primary and secondary IDE channels

Two 40-pin

Primary and secondary SATA channels

Two 7-pin

Primary and secondary SCSI channels (optional)

Two 68-pin Ultra3 SCSI

Diskette-drive channel

One 34-pin

Connectors
Externally accessible (back)
NIC	RJ-45
Parallel	25-pin (bidirectional)
PS/2 (keyboard and mouse)	Two 6-pin mini-DIN
Serial	Two 9-pin, 16550-compatible
USB	Six 4-pin, USB 2.0-compliant
Video	15-pin VGA
Internally accessible
Primary and secondary IDE channels	Two 40-pin
Primary and secondary SATA channels	Two 7-pin
Primary and secondary SCSI channels (optional)	Two 68-pin Ultra3 SCSI
Diskette-drive channel	One 34-pin

Video

Video type

ATI Rage XL PCI video card; VGA connector

Video memory

8 MB

Video
Video type	ATI Rage XL PCI video card; VGA connector
Video memory	8 MB

Power

DC power supply
NOTICE: Ensure that the voltage selection switch on the power supply is set to the appropriate voltage before turning on the power. See Figure 1-2 for the location of the switch.

Wattage

250 W

Voltage

At 50/60 Hz, 90–135 V at 6 A max and 180–265 V at 3 A max

Heat dissipation

910 BTU/hr

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

Power
DC power supply NOTICE: Ensure that the voltage selection switch on the power supply is set to the appropriate voltage before turning on the power. See Figure 1-2 for the location of the switch.
Wattage	250 W
Voltage	At 50/60 Hz, 90–135 V at 6 A max and 180–265 V at 3 A max
Heat dissipation	910 BTU/hr
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

Physical

Height

42.7 cm (16.8 inches)

Width

19.1 cm (7.5 inches)

Depth

45.0 cm (17.7 inches)

Weight (maximum configuration)

12.7 kg (28 lb)

Physical
Height	42.7 cm (16.8 inches)
Width	19.1 cm (7.5 inches)
Depth	45.0 cm (17.7 inches)
Weight (maximum configuration)	12.7 kg (28 lb)

Environmental

Temperature

Operating

10° to 35°C (50° to 95°F)
NOTE: At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity

Operating

20% to 80% (noncondensing)

Storage

5% to 95% (noncondensing)

Maximum vibration

Operating

0.25 G at 3–200 Hz at 0.5 octave/min

Storage

0.5 G at 3–200 Hz at 1 octave/min

Maximum shock

Operating

Bottom half-sine pulse with a change in velocity of 50.8 cm/s (20 inches/s)

Storage

Nonoperating (half-sine pulse) 105 G, 2 ms
Nonoperating (faired-square wave) 27 G with a velocity change of 508 cm/s (200 inches/s)

Altitude

Operating

–15 to 3048 m (–50 to 10,000 ft)

Storage

–15 to 10,600 m (–50 to 35,000 ft)

Environmental
Temperature
Operating	10° to 35°C (50° to 95°F) NOTE: At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).
Storage	–40° to 65°C (–40° to 149°F)
Relative humidity
Operating	20% to 80% (noncondensing)
Storage	5% to 95% (noncondensing)
Maximum vibration
Operating	0.25 G at 3–200 Hz at 0.5 octave/min
Storage	0.5 G at 3–200 Hz at 1 octave/min
Maximum shock
Operating	Bottom half-sine pulse with a change in velocity of 50.8 cm/s (20 inches/s)
Storage	Nonoperating (half-sine pulse) 105 G, 2 ms Nonoperating (faired-square wave) 27 G with a velocity change of 508 cm/s (200 inches/s)
Altitude
Operating	–15 to 3048 m (–50 to 10,000 ft)
Storage	–15 to 10,600 m (–50 to 35,000 ft)

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