Microprocessor Microprocessor type Intel® Pentium® III processor that runs at 866 or 933 MHz or 1.0 GHz internally and 133 MHz externally, or Celeron™ processor that runs at 800 MHz or 1.0 or 1.1 GHz internally and 100 MHz externally System Information Chip set 815E (ICH2) with support for 66-MHz, 100-MHz, and 133-MHz front-side bus DMA channels eight Interrupt levels 16 BIOS chip 4 Mb (512 KB) Expansion Bus Bus types 4 PCI (version 2.2), 1 AGP 4X Bus speed PCI: 33 MHz AGP: 66 MHz PCI connectors four PCI connector size 124 pins PCI connector data width (maximum) 32 bits AGP connectors one AGP connector size 128 pins AGP connector data width (maximum) 32 bits Memory Architecture non-ECC PC133 SDRAM Memory connectors two; gold contacts Memory capacities 64 MB, 128 MB, and 256 MB (non-ECC) Minimum memory 64 MB (non-ECC) Maximum memory 512 MB (non-ECC) Frequency 133 MHz Voltage 3.3 V Data bus width 64 bits Drives Externally accessible two 5.25-inch bays two 3.5-inch bays Internally accessible two 1-inch–high IDE hard drive bays Available devices ATA-100 Ultra DMA hard drive, CD-RW drive, DVD drive, and DVD/CD-RW combo drive, internal Zip drive Ports and Connectors Externally accessible (back panel): Serial Data Terminal Equipment (DTE) 9-pin connector; 16550C-compatible Parallel 25-hole connector (bidirectional) Video 15-hole VGA connector Audio (SoundBlaster Pro/16 compatibility)* three miniature connectors for line in, line out, and microphone PS/2 6-pin mini-DIN connector or USB connector USB two USB-1.1–compliant connectors * Present only on computers with integrated audio capabilities Externally accessible (front panel): Headphone line-out connector USB two USB-1.1–compliant connectors Internally accessible: Primary EIDE channel two IDE devices, 40-pin connector Secondary EIDE channel two IDE devices, 40-pin connector Floppy drive 34-pin connector Video* Video type AGP 4X integrated (815E) video option with 4-MB memory upgrade option * Present only on computers with integrated video capabilities
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