Dell Dimension 4500 - Manual (Page 39)

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Technical Specifications
Dell™ Dimension™ 4500
Microprocessor
Microprocessor type Intel® Pentium® 4 microprocessor that runs at 1.60,
1.70, 1.80, 1.90, 2.00, 2.20, or 2.40 GHz internally
and 400 MHz externally; and 2.26, 2.40, 2.53, 2.66,
or 2.80 GHz internally and 533 MHz externally.
L1 cache 8 KB first-level
L2 cache integrated 256-KB or 512-KB at full microprocessor
speed
System Information
System chip set Intel 845E with DDR memory support
DMA channels four
Interrupt levels 24
System BIOS chip 4 Mb (512 KB)
System clock 400- or 533-MHz data rate
Expansion Bus
Bus types PCI and AGP
Bus speed PCI: 33 MHz; AGP: 66 MHz
AGP connector one
AGP connector size 172 pins
AGP connector data width (maximum) 32 bits
AGP bus protocols 4x/2x modes at 1.5 V
PCI connectors four
PCI connector size 120 pins
PCI connector data width
(maximum) 32 bits
Memory
Architecture DDR SDRAM
Memory connectors two
Memory capacities 128-, 256-, and 512-MB non-ECC DDR SDRAM
Minimum memory 128 MB
Maximum memory 1 GB
Memory type DDR (non-ECC)
BIOS address F8000h
Drives
Externally accessible two 5.25-inch bays
two 3.5-inch bays
Internally accessible two bays for 1-inch–high IDE hard drives
Available devices ATA-100 Ultra DMA hard drive, CD drive, Zip drive,
DVD drive, DVD+RW 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–compliant
connectors