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Technical Specifications

Dell™ Dimension™ 4500S

Microprocessor	Video
System Information	Audio
Expansion Bus	Controls and Lights
Memory	Power
Drives	Physical
Ports and Connectors	Environmental

Microprocessor
Microprocessor type	Intel® Pentium® 4 that runs at 1.70, 1.80, 1.90, 2.00 GHz internally and 400 MHz externally; 2.26, 2.40, 2.53, or 2.66 GHz internally and 533 MHz externally; or Intel Celeron® that runs at 1.70, 1.80, or 2.00 GHz internally and 400 MHz externally NOTE: Microprocessor offerings and front-side bus support vary by country.
L1 cache:
Pentium 4	8 KB first-level
Celeron	32 KB
L2 cache:
Pentium 4	256- or 512-KB (displayed in the system setup program) pipelined-burst, eight-way set associative, write-back SRAM
Celeron	128-KB SRAM

System Information
System chip set	Intel 845 G
DMA channels	seven
Interrupt levels	24 APIC mode
System BIOS chip	4 Mb (512 KB)
System clock	400- or 533-MHz data rate

Expansion Bus
Bus types	PCI
Bus speed	PCI: 33 MHz
PCI connectors	two
PCI connector size	120 pins
PCI connector data width (maximum)	32 bits

Memory
Architecture	DDR SDRAM
Memory connectors	two
Memory capacities	128-, 256-, 384-, 512-, or 768-MB, or 1-GB non-ECC DDR SDRAM
Minimum memory	128 MB
Maximum memory	2 GB
Memory type	266-MHz DDR SDRAM (non-ECC)
BIOS address	F0000h

Drives
Externally accessible	one 5.25-inch bay one 3.5-inch bay
Internally accessible	one bay for 1-inch–high IDE hard drive
Available devices	ATA-66 or ATA-100 Ultra DMA hard drive, CD drive, Zip drive, DVD drive, and CD-RW drive

Ports and Connectors
Externally accessible:
Serial	9-pin connector; 16550C-compatible
Parallel	25-hole connector (bidirectional)
Video	15-hole connector
Keyboard	6-pin mini-DIN connector or USB connector
Mouse	6-pin mini-DIN connector or USB connector
USB	two front-panel and four back-panel USB 2.0–compliant connectors
Headphone	front-panel miniature jack
Audio	three miniature jacks for line-in, line-out, and microphone
Internally accessible:
Primary IDE channel	40-pin connector on PCI local bus
Secondary IDE channel	40-pin connector on PCI local bus
Floppy drive	34-pin connector

Video
Video controller	Intel integrated AGP graphics

Audio
Audio controller	ADI 1981A (AC97 Codec)

Controls and Lights
Power control	push button
Power light	green light on power button—blinking green in sleep state; solid green for power-on state
Hard-drive access light	green
Diagnostic code lights	four bicolor (yellow and green) located on back panel
System board standby power light	yellow—indicates system board is receiving standby power

Power
DC power supply:
Wattage	180 W
Heat dissipation	500 BTU (fully-loaded computer without monitor)
Voltage (see "Safety Instructions" for important voltage setting information)	fixed-voltage power supply—110 V at 50/60 Hz manual selection and auto-sensing power supplies—90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz; 100 V at 50/60 Hz for Japanese computers
Backup battery	3-V CR2032 coin cell

Physical
Height x Width x Depth	10.6 x 38.9 x 43.2 cm (4.2 x 15.3 x 17 inches)
Weight	9.9 kg (22 lb)

Environmental
Temperature:
Operating	10º to 35ºC (50º to 95ºF)*
Storage	–40º to 65ºC (–40º to 149ºF)
Relative humidity	20% to 80% (noncondensing)
Maximum vibration:
Operating	0.25 G at 3 to 200 Hz at 1/2 octave/min
Storage	0.5 G at 3 to 200 Hz at 1/2 octave/min
Maximum shock:
Operating	bottom half-sine pulse with a change in velocity of 50.8 cm/sec (20 inches/sec)
Storage	23-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 10,670 m (–50 to 35,000 ft)
* At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft).

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