Lenovo NetVista X40 Quick Reference for NetVista 2179 and 6643 systems (Dutch) - Page 94
POST, POST beep code descriptions, Small computer system interface messages (some models), Notes
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POST When you turn on the computer, it performs a series of tests to check the operation of system components and some of the options that are installed in the computer. This series of tests is called the power-on self-test or POST. If POST finishes without detecting any problems, the first window of your operating system or application program appears. Notes: 1. If you have a power-on password set, you must type the password and press Enter, when prompted, before POST will continue. 2. A single problem might cause several error messages. When this occurs, work to correct the cause of the first error message. After you correct the cause of the first error message, the other error messages usually will not occur the next time you run the test. POST beep code descriptions The possible types of beep codes that your system might emit are: Repeating long beeps Indicates that a memory error has occurred. Ensure that all DIMMs are correctly installed. One long beep and two short beeps Indicates that a video error has occurred and the BIOS code cannot initialize the video screen to display any additional information. Ensure that the video adapter is correctly installed. Small computer system interface messages (some models) The following table lists actions to take if you receive any SCSI error message. Note: If your system does not have a hard disk drive, ignore any message that indicates that the BIOS code is not installed. 78 IBM® IntelliStation® E Pro: User's Guide IntelliStation E Pro Types 6836, 6846