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B-4 System Specifications
Input/Output (I/O) Facilities
Industry-standard interfaces integrated on system board:
Keyboard — PS/2-compatible, 6-pin connector
(mini DIN)
Mouse — PS/2-compatible, 6-pin connector (mini DIN)
Parallel — bi-directional, ECP/EPP support; one 25-pin
connector
Serial — two high-speed RS-232C ports using 16550
UART, support transfer rates up to 115.2 KB per second;
9-pin connectors (one connector on I/O panel; one
connector on expansion board bracket)
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
(external connectors on expansion board bracket)
IDE
dual IDE channels; each supporting two Ultra DMA
IDE device
CD-ROM drive and hard drive on separate channels
support for up to 33.3 MB/second 32-bit transfers on
PCI bus
support for a total of four IDE devices; 40-pin
connectors
support for PIO mode 3 and mode 4
Diskette drive — supports two diskette drives, 1.2-MB or
1.44-MB; 34-pin connector