Manuals

Manuals
Specifications: Dell Dimension C521 Service Manual

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Specifications

Dell™ Dimension™ C521 Service Manual


Microprocessor

Microprocessor type

AMD™ Athlon™ 64 X2 Dual-Core processor

AMD Athlon 64

AMD Sempron™

Internal L2 cache

up to 1 MB per core

up to 256 KB for Sempron

Memory

Type

533-MHz, 667-MHz, 800-MHz z (when available) DDR2 SDRAM

Memory connectors

four

Memory modules supported

256-MB, 512-MB, or 1-GB non-ECC

Minimum memory

256 MB

Maximum memory

4 GB

Computer Information

Chipset

nVidia GeForce 6150LE

DMA channels

eight

Interrupt levels

24

BIOS chip (NVRAM)

4 Mb

NIC

integrated network interface

Capable of 10/100 communication

Video

Type

nVidia integrated video (DirectX 9.0c Shader Model 3.0 Graphics Processing Unit) or PCI Express x16 graphics card

Audio

Type

Sigma Tel 9227 CODEC (7.1 Channel Audio)

Controllers

Drives

two SATA controllers supporting two devices

Expansion Bus

Bus type

PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0

Bus speed

PCI: 133 MB/s
PCI Express x16: 80 Gbps bidirectional speed
PCI Express x1: 2.5 Gbps
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps high speed, 12 Mbps full speed, 1.2 Mbps low speed

Cards

 

PCI

 

connectors

one

card size

low profile

connector size

124 pins

connector data width

(maximum)

32 bits

PCI Express:

 

connectors

one x1 and one x16

power

10 W (x1) and 25 W (x16) maximum

connector size

36 pins (x1) and 164 pins (x16)

connector data width (maximum)

one PCI Express lane (x1) and 16 PCI Express lanes (x16)

Drives

Externally accessible

one 3.5-inch drive
one 5.25-inch drive bay

Available devices

SATA hard drive, CD drive, DVD drive, DVD +/- RW drive, and CD-RW/DVD Combo drive

Internally accessible

one bay for a 1-inch-high hard drive

Connectors

External connectors:

Video

15-hole VGA connector

Network adapter

RJ45 connector

USB

two front-panel and four back-panel USB 2.0–compliant connectors

Audio

six connectors for line-in and line-out; two front-panel connectors for headphones and microphone

System board connectors:

SATA

two 7-pin connectors

Floppy drive

34-pin connector

Fan

5-pin connector

PCI 2.3

124-pin connector

PCIe-x1

36-pin connector

PCIe-x16

164-pin connector

Internal USB

10-pin connector (supports two USB ports)

Speaker

6-pin connector

Memory modules

four 240-pin connectors

Power 12V

4-pin connector

Power

24-pin connector

Battery

2-pin socket

Controls and Lights

Power control

push button

Power light

green light — Blinking green indicates a sleep mode; solid green indicates a power-on state.

amber light — Blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem (see System Lights).

Hard-drive access light

green

LAN activity light (front panel)

solid green light indicates network connection

Link integrity light (on integrated network adapter)

green light for 10-Mb operation; orange light for 100-Mb operation

Network activity light (on integrated network adapter)

yellow blinking light

Diagnostic lights

Four lights on the front panel. See Diagnostic Lights.

Standby power light

AUX_PWR on the system board

Power

DC power supply:

Wattage

280 W

Heat dissipation

955.39 BTU/hr maximum

NOTE: Heat dissipation is calculated based upon the power supply wattage rating.

Voltage

manual selection power supply — 90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz

Backup battery

3-V CR2032 lithium coin cell

Physical

Height

11.4 cm (4.5 inches)

Width

39.9 cm (15.7 inches)

Depth

35.3 cm (13.9 inches)

Weight

10.4 kg (23 lb)

Environmental 

Temperature:

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity

20% to 80% (noncondensing)

Maximum vibration:

Operating

0.25 G at 3 to 200 Hz at 0.5 octave/min

Storage

0.5 G at 3 to 200 Hz at 1 octave/min

Maximum shock:

Operating

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

Storage

27-G faired square wave with a velocity change of 508 cm/sec (200 inches/sec)

Altitude:

Operating

–15.2 to 3048 m (–50 to 10,000 ft)

Storage

–15.2 to 10,668 m (–50 to 35,000 ft)


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