AT&T PC 6300 - 8530 Serial Port Test

MAINTENANCE
8530 Serial Port Test
Possible defective hardware:
• 8530 Serial Port
• Motherboard.
To use the 8530 Serial Port Test, proceed as follows:
1. Turn the power switch OFF.
2. Insert the MS-DOS System Diskette into drive A.
4. Remove the MS-DOS System Diskette from drive A.
5. Insert the System Test Diskette into drive A.
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3; Turn the power switch ON and verify that the Operating
System is booted. ]
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