AT&T PC 6300 - Page 489

MAINTENANCE
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12. The 8087 Test is performed and an error message similar to
the one shown below is displayed if an error occurs:
TEST 1800 - 8087 MATH CQPRQCESSOR
07:20:33 PASS
1803 - 8087 MATH CQPRQCESSOR INTERRUPT ERROR
13. Record the error message and turn the power switch OFF.
Compare the error message with the following error messages
(Figure 5-37):
ERROR NO.
PROBABLE CAUSE
MODULE
1801
Functional Test Failed. Check Motherboard
Check 8087
1802
Mathematical
Function Test Failed.
Check Motherboard
Check 8087
1803
Interrupt Test Failed. Check Switch
Settings
Check Motherboard
Check 8087
Figure 5-37. 8087 Troubleshooting Chart
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