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System Specifications B-3
Calendar Clock
Year/month/day/hour/minute/second/.01 second; maintained by battery
Battery type — Lithium coin cell
Input/Output (I/O) Features
Industry-standard interfaces integrated on system board:
! Universal Serial Bus (USB) — two USB ports support two USB
peripherals directly to the system. With appropriate connector, the
system supports up to 127 daisy-chained devices. Supports
12 megabits (Mbs) per second.
! Parallel — bi-directional, ECP/EPP support; one 25-pin connector
! Serial — one high-speed RS-232C port using a 16550 UART,
supports transfer rates up to 115.2 KB per second; one 9-pin connector
! Keyboard — PS/2-compatible, 6-pin connector (mini DIN)
! Mouse — PS/2-compatible, 6-pin connector (mini DIN)
! Microphone In — supports a microphone or other audio input device
for recording audio information in data files or broadcasting audio
! Line In — supports input from an external audio device
! Headphone — supports external headphone set
! IDE
— support for Ultra DMA/66 IDE hard drive and a CD-ROM drive
— support for PIO mode 3 and mode 4
! Diskette drive — supports 1.44-MB diskette drive; 34-pin connector
! PCMCIA CardBus support for two PC card slots (Type II and Type III
PC cards)
! RJ-45 LAN connector.
Video Memory
Standard video memory — shared with system memory. Memory
allocation controlled by Dynamic Video Memory Technology (DVMT).