Microprocessor Microprocessor type Intel® Pentium® 4 microprocessor that runs at either 1.30, 1.40, 1.50, 1.70, 1.80, or 2.0 GHz. Internal cache 8 KB first-level L2 cache integrated 256-KB at full microprocessor speed Math coprocessor internal to Pentium 4 microprocessor System Information System chip set Intel 850 Data bus width 64 bits Address bus width 32 bits DMA channels eight Interrupt levels 15 System BIOS chip 4 Mb System clock 100 MHz; 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 five PCI connector size 120 pins PCI connector data width (maximum) 32 bits Memory Architecture RDRAM RIMM sockets four RIMM capacities 64-, 128-, 256-, and 512-MB RDRAM Standard RAM 128 MB (minimum) Maximum RAM 2 GB BIOS address F8000h Drives Externally accessible three 5.25-inch bays for floppy, tape, or CD drives; one 3.5-inch bay for a floppy drive Internally accessible two 3.5-inch bays: one for a 1-inch–high hard drive and one for a 1.6-inch–high hard drive Ports and Connectors Externally accessible: Serial (DTE) one 9-pin connector; 16550-compatible Parallel one 25-hole connector (bi-directional) Video one 15-inch hole connector (on video card) Integrated NIC RJ45 connector PS/2-style keyboard 6-pin mini-DIN PS/2-compatible mouse 6-pin mini-DIN USB four USB-compliant connectors Internally accessible: Primary EIDE hard drive 40-pin connector on PCI local bus Secondary EIDE hard drive 40-pin connector on PCI local bus Floppy drive 34-pin connector CD drive audio interface 4-pin connector Remote wakeup 3-pin connector Fan 3-pin connector Telephony 4-pin connector Video Video type AGP 4X or PCI devices (see manufacturer's specifications) NIC* NIC RJ45 connector
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