Microprocessor
Microprocessor type
Intel® Pentium® 4 microprocessor that runs at 1.50, 1.60, 1.70, 1.80, 1.90, or 2.0 GHz internally and 400 MHz externally
L1 cache
8 KB first-level
L2 cache
integrated 256-KB at full microprocessor speed
System Information
System chip set
Intel 845
DMA channels
four
Interrupt levels
15
System BIOS chip
4 Mb (512 KB)
System clock
400 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
SDRAM PC133
Memory connectors
two
Memory capacities
64-, 128-, 256-, and 512-MB non-ECC or ECC SDRAM
Minimum memory1
64 MB
Maximum memory
512 MB
Memory type
PC133 (non-ECC or ECC)
BIOS address
F8000h
1 Microsoft requires a minimum of 128 MB of memory for Microsoft® Windows® XP.
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-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 two back-panel USB–compliant connectors
Headphone
front-panel miniature jack
Audio2
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
2 Present only on computers with integrated audio capabilities.
Audio3
Audio controller
Analog Devices AD1885 AC97 Codec
3 Present only on computers with integrated audio capabilities.
Video
Video controller
AGP 4X