Intel® Pentium® 4 microprocessor that runs
at 1.80, 1.90, 2.0, or 2.20 GHz internally and 400 MHz
externally; or 2.26, 2.4, 2.53, 2.66, 2.8, or 3.06 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 845PE
DMA channels
four
Interrupt levels
15
System BIOS chip
4 Mb (512 KB)
System clock
100 MHz X 4 for 400 FSB or 133
MHz X 4 for 533 FSB - 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 333 (non-ECC) only on computers
with a 533-MHz system clock speed
DDR 266 (non-ECC) on computers with either a 400- or a 533-MHz system clock
speed
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
2.0–compliant connectors
NIC
RJ45 connector
Headphone
front-panel miniature connector
Audio1
three miniature connectors 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
1 Present only on computers with integrated audio capabilities.
Audio2
Audio controller
1981A Codec
2 Present only on computers with integrated audio capabilities.
