IBM 6862 User Guide - Page 152
Parallel Port, Problems, Action, Serial Port Problems, Installing Options in Your, Personal Computer
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Page 152 highlights
Parallel Port Problems Parallel port cannot be accessed. Action Verify that: 1. Each port is assigned a unique address (not set to Disabled). Use the Configuration/Setup Utility program to check the setting. For instructions, refer to Chapter 5, "Using the Configuration/Setup Utility program" on page 61. 2. The parallel-port adapter, if you added one, is properly installed and firmly seated. Refer to Installing Options in Your Personal Computer for instructions on adding adapters. If the problem cannot be isolated and corrected, have the computer serviced. Serial Port Problems Serial port cannot be accessed. Action Verify that: 1. Each port is assigned a unique address (not set to Disabled). Use the Configuration/Setup Utility program to check the setting. For instructions, refer to Chapter 5, "Using the Configuration/Setup Utility program" on page 61. 2. The serial-port adapter, if you added one, is properly installed and firmly seated. Refer to Installing Options in Your Personal Computer for instructions on adding adapters. If the problem cannot be isolated and corrected, have the computer serviced. 134 Using Your Personal Computer
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