Original PC Hardware Reference
Original PC Hardware Reference
Original PC Hardware Reference
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CD: 54 <strong>Original</strong> <strong>PC</strong> <strong>Hardware</strong> <strong>Reference</strong><br />
(continued)<br />
Environmental Specifications<br />
Power-supply output 157 watts<br />
Worldwide (110v/60Hz, 220v/50Hz) Yes<br />
Auto-sensing/switching<br />
Maximum current:<br />
Yes<br />
90–137 VAC<br />
Operating range:<br />
4.5 amps<br />
Temperature 60–90 degrees F<br />
Relative humidity 8–80 percent<br />
Maximum operating altitude 7,000 feet<br />
Heat (BTUs/hour) 824<br />
Noise (Average db, operating, 1m) 42<br />
FCC classification Class B<br />
Table 13 lists the XT Model 286 system-unit part numbers.<br />
Table 13 IBM XT-286 Model Part Numbers<br />
Description Number<br />
XT Model 286 system unit, 6MHz<br />
0 wait state, 640KB, serial/parallel,<br />
1.2MB floppy drive, one 20MB hard disk 5162286<br />
Optional Accessories<br />
5 1/4-inch, half-height 360KB drive 6450325<br />
3 1/2-inch, half-height 720KB internal drive 6450258<br />
3 1/2-inch, half-height 720KB external drive 2683190<br />
80287 math coprocessor option 6450211<br />
Enhanced Keyboard Accessories<br />
Clear keycaps (60) with paper inserts 6341707<br />
Blank light keycaps 1351710<br />
Blank dark keycaps 1351728<br />
Paper keycap inserts (300) 6341704<br />
Keycap removal tools (6) 1351717
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