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System Specifications A-3
Read-Only Memory (ROM)
Flash ROM
2 Mbit
Video SGRAM
Standard video memory
4 MB video memory
Calendar Clock
Year/Month/Day/Hour/Minute/Second/.01 Second; maintained by battery
backup
Battery Type
Real Time Clock (RTC) battery
Input/Output (I/O) Facilities
Integrated Industry-Standard Interfaces
Parallel
bidirectional, ECP/EPP support; one 25-pin connector
Serial
one high-speed RS-232C port using 16C550-compatible UART,
supports transfer rates up to 115.2 Kbits per second; 9-pin connector
Universal Serial Bus (USB)
two USB ports, support two USB
peripherals directly to the system; with appropriate connector, each port
supports up to 127 daisy-chained devices; supports 12 megabits (Mbs)
per second
Keyboard
PS/2-compatible, 6-pin connector (mini DIN)
Mouse
PS/2 compatible, 6-pin connector (mini DIN)
IDE
dual IDE channels
two fast IDE channels
CD-ROM drive and hard drive on separate channels
support for up to 33 MB/second 32-bit transfers on PCI bus
support for a total of four IDE devices; 40-pin connectors
support for fast PIO mode 3 and mode 4, fast PIO 3/DMA 1, fast PIO
4/DMA 2, Ultra DMA33
Diskette Drive
supports two devices, 34-pin connector