Dell WG864 Motherboard for Dimension E520

Computer Type: Mini-Tower PC
Memory Type Supported: Dual DDR2 533/667/800Mhz Model Number: Dimension E520
Processor Type Supported: Intel Core 2 Duo / Pentium D / Pentium 4 Processor Socket Type: Socket 775
Brand: Dell

Specifications
Processor

Processor type
Intel® Pentium® 4
Intel® Pentium® D
Intel® Core™ 2 Duo

NOTE: Not all Pentium 4 processors support Hyper-Threading technology.

Level 1 (L1) cache
32 KB

Level 2 (L2) cache
1 MB for Pentium 4 5XX processors (with Hyper Threading)

2 MB for Pentium 4 6XX processors (with Hyper Threading)

2 x 2 MB for Pentium D 9XX processors (with dual core)

2 x 1 MB for Pentium D 8XX processors (with dual core)

256K for Celeron® D 3XX processors

2 MB for Intel Core™ E6400 processors and earlier

4 MB for Intel Core™ E6600 processors and later



Memory

Type
533-MHz, 667-MHz, and 800-MHz dual DDR2 unbuffered SDRAM

Memory connectors
four

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

Maximum memory
4 GB

NOTE: See Addressing Memory With 4-GB Configurations to verify the amount of memory available to the operating system.

BIOS address
F0000h



Computer Information

Chipset
Intel G965 Express Chipset

RAID Support
RAID 1 (Mirroring)

DMA channels
eight

Interrupt levels
24

BIOS chip (NVRAM)
4 MB

NIC
integrated network interface capable of 10/100 communication

System clock
533-MHz, 800-MHz, or 1066-MHz data rate



Video

Type
integrated Intel® Graphics Media Accelerator X3000 (Intel® GMA X3000)

PCI Express



Audio

Type
Sigmatel 9227



Expansion Bus

Bus type
PCI 2.3
PCI Express x1 and x16

Bus speed
PCI: 33 MHz

PCI Express:

x1 slot bidirectional speed - 500 MB/s

x16 slot bidirectional speed - 8 GB/s

PCI


connectors
two

connector size
120 pins

connector data width (maximum)
32 bits

PCI Express


connector
one x1

connector size
36 pins

connector data width (maximum)
1 PCI Express lane

PCI Express


connector
one x16

connector size
164 pins

connector data width (maximum)
16 PCI Express lanes



Drives

Externally accessible:

Bays
two 5.25-inch drive bays

one 3.5-inch drive bay (FlexBay)

Available devices
Serial ATA drives (4), floppy drive, USB memory devices, CD/DVD drive, and Media Card Reader

Internally accessible:
two bays for 1-inch high serial ATA hard drives



Connectors

External connectors:

Video
15-hole connector

Network adapter
RJ-45 connector

USB
two front-panel and six back-panel USB 2.0-compliant connectors

Audio
six connectors for 7.1 support

System board connectors:

Serial ATA (SATA)
four 7-pin connectors

FlexBay Drive
one USB 10-pin header (with one pin removed for keying) for optional Media Card Reader (3.5-inch bay device)

Floppy drive
one 34-pin connector

Fan
one 5-pin connector

PCI 2.3
two 120-pin connectors

PCI Express x1
one 36-pin connector

PCI Express x16
one 164-pin connector



Controls and Lights

Power button
push button

Power light
green light — Blinking green in sleep state; solid green for power-on state.

amber light — Blinking amber indicates a problem with the power supply inside the computer. If the system cannot boot and there is a solid amber light, a problem with the system board may exist (see Power Lights).

Hard drive access light
green

Link integrity light (on integrated network adapter)
green light — A good connection exists between the network and the computer.

off (no light) — The computer is not detecting a physical connection to the network.

Activity light (on integrated network adapter)
yellow blinking light

Diagnostic lights
four lights on the front panel (see Diagnostic Lights)

Standby power light
STBYLED on the system board



Power

DC power supply:

Wattage
305 W

Maximum heat dissipation
1040 BTU/hr

Voltage (see the safety instructions located in the Product Information Guide for important voltage setting information)
Manually selectable: 90 to 135 V and 180 to 265 V at 50/60 Hz

Backup battery
3-V CR2032 lithium coin cell



Physical

Height
41.4 cm (16.3 inches)

Width
18.8 cm (7.4 inches)

Depth
45.7 cm (18.0 inches)

Weight
12.7 kg (28.0 lb)