
I/O Addresses used
by PC
170h - 177h integrated IDE controller (secondary channel)
1F0h - 1F7h integrated IDE controller (primary channel)
220h - 22Fh SoundBlaster audio
278h - 27Fh parallel port 2
2E8h - 2EFh serial port 4
2F8h - 2FFh serial port 2
300h - 301h MPU-401 MIDI interface
330h - 331h MPU-401 MIDI interface
376h integrated IDE controller (secondary channel)
377h integrated flexible disk controller
378h - 37Fh parallel port 1
388h - 38Bh music controller
3E8h - 3EFh serial port 3
3F0h - 3F5h integrated flexible disk controller
3F6h integrated IDE controller (primary channel)
3F7h integrated flexible disk controller
3F8h - 3FFh serial port 1
AVAILABLE VIDEO RESOLUTIONS
Resolution Minimum video memory required for these color scales Maximum
refresh rates*
256 colors
(8 bits per
pixel)
64 K colors
hi-color
(16 bits per
pixel)
16.7 M colors
true-color
(24 bits per
pixel)
640 X 480 2 MB 120 Hz
800 X 600 2 MB 120 Hz
1024 X 768 2 MB 4 MB 120 Hz
1152 X 882 2 MB 4 MB 120 Hz
1280 X 1024 2 MB 4 MB
90 Hz
1600 X 1200 2 MB 4 MB 8 MB 72 Hz
*Your display may not support the maximum refresh rates shown here. Refer to the
User’s Guide
supplied with your display for details of the refresh rates supported by your display.
NOTE The video drivers supplied for your operating system
will determine the available video resolutions and the
number of displayable colors.
SCO Unix supports 15 bits per pixel instead of 16
bits per pixel and provides no support 32 bits per
pixel.
OS/2 provides no support for 24 bits per pixel.
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