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A-2 System Specifications
1-Mbit by 64 or 1-Mbit by 72 (8-MB DIMM)
2-Mbit by 64 or 2-Mbit by 72 (16-MB DIMM)
4-Mbit by 64 or 4-Mbit by 72 (32-MB DIMM)
8-Mbit by 64 or 8-Mbit by 72 (64-MB DIMM)
16-Mbit by 64 or 16-Mbit by 72 (128-MB DIMM).
Read-Only Memory (ROM)
Flash ROM
2 Mbit
Window RAM (WRAM)
Standard video memory
4 MB video memory on the video board
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
two high-speed RS-232C ports using 16C550-compatible UARTs,
supports transfer rates up to 115.2 Kbits per second; 9-pin connectors
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 disk 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 PIO mode 3 and mode 4, multiword DMA2, Ultra DMA33
Diskette Drive
supports two devices, 34-pin connector