Technical Information 1-7
The two USB ports allow additional new plug and play serial devices without removing the
system cover. Simply plug the USB device into the port. The speed varies between
12 megabits per second (Mbps) for printers and 1.5 Mbps for mice and keyboards. Up to
127 USB devices can be connected to the computer.
The combination of the enhanced parallel port, buffered serial ports, and USB ports ensure
optimum performance for future peripheral devices and operating systems.
Sound System
The system board features Yamaha OPL
®
YMF715 audio chip. It integrates a 16-bit audio
codec, OPL3 FM synthesis and DAC, 3D enhanced stereo controller, and an interface for
MPU401 and a joystick. The chip also provides the following features.
Stereo analog-to-digital and digital-to-analog converters
Analog mixing, anti-aliasing, and reconstruction filters
Support for 16-bit address decode
ADPCM, A-law or
µ
law digital audio compression/decompression
Full digital control of all mixer and volume control functions
Sound Blaster
™
and Windows Sound System
™
compatibility
The system board provides a connector for connecting a Creative Labs AWE32 wavetable
board to the Yamaha chip. The board provides true wavetable synthesis and 32 distinct
voices for music playback.
U.S. ROBOTICS SPORTSTER FAX/MODEM BOARD
The fax/modem board (in some systems) contains fax and modem capabilities. The board
provides modem, fax, full-duplex speakerphone, and voicemail capabilities. The board
provides transfer rates of 56-kbps (kilobytes per second) for data and 14.4-Kbps for fax.
DISKETTE DRIVE
The system comes standard with a 1.44-MB high-density diskette drive pre-installed in the
3 1/2-inch accessible device slot (drive A). The drive is connected to the system board via a
two-connector cable.
HARD DISK DRIVE
The system supports up to three IDE hard drives, the standard hard drive and two optional
hard drives (if a Zip drive does not come standard with the system). The standard hard drive
is either a 3.2-GB, 4.3-GB, or 7-GB drive.
Содержание Direction SP200T
Страница 8: ...Contents ix ...
Страница 12: ...Abbreviations xiii VFC VESA compliant feature connector VGA Video Graphics Array VRAM video RAM W watt W write ...
Страница 63: ...3 26 Option Installation 5 Turn on the printer and the computer Figure 3 20 Locating the Parallel Port ...
Страница 101: ...B 2 Connector Pin Assignments Figure B 1 System Board Connectors and Slots Figure B 2 System Board External Connectors ...