IBM 689912U Hardware Maintenance Manual - Page 15

General Checkout (Type 6272 Models 88X, 89X, 90X, 91X) This general checkout and diagnostic procedure is for the Type 6272, Models 88X, 89X, 90X, 91X only. These models come without a diskette drive (disketteless) and without a CD-ROM. Depending on the operating system and network configuration, the method of running diagnostics varies. It is the customer's responsibility to make the IBM PC Enhanced Diagnostics accessible from either: The local hard disk -- or -- The server If the computer you are servicing is set up to start remotely, this general checkout procedure assumes that the server providing services to the computer and the network are functioning correctly. Note Run the IBM PC Enhanced Diagnostics under the DOS operating system. Windows 95 and Windows NT diagnostics should be run only if the DOS version is not available. For more information about the IBM PC Enhanced Diagnostics, see "Diagnostics Test Programs" on page 205. 001 - Power-off the computer and all external devices. - Check all cables and power cords. - Make sure the computer is connected to a functioning network. - Set all display controls to the middle position. - Power-on all external devices. - Power-on the computer. - Check for the following response: 1. One beep 2. Operating system or diagnostics loaded Note If the operating system loader screen appears, select an operating system. DID YOU RECEIVE THE CORRECT RESPONSE? Yes No 002 Check the following for the response you received and perform the action: (Step 002 continues) Service Information 5