Lenovo Aptiva Hardware Maintenance Manual (HMM) for Aptiva 2173, 2178 and 2179 - Page 345

Date: ChkDigits: Text: Contains the date on which the diagnostic test was run. Date is retrieved from CMOS and displayed using the YYYYMMDD format. Contains a 2-digit check-digit value to ensure that: Diagnostics were run on the specified date Diagnostics were run on the specified IBM computer The diagnostic error code is recorded correctly Description of the error. Note See "IBM PC Enhanced Diagnostics error codes" on page 1 for error code listings. Hard file Smart test Use the Hard File Smart Test when the system management tool has detected a hard file SMART alert. The Smart test does the following: Interrogates IDE devices for support of the SMART instruction set. Issues a ENABLE SMART command to make sure SMART functionality is active. Checks the SMART RETURN STATUS command to determine if any thresholds have been exceeded. If thresholds have been exceeded, an error message is shown, and the test fails. If no SMART is supported by the drive, the test returns with N/A. IBM Fixed Disk Optimized Test The IBM Fixed Disk Optimized Test provide the capability to identify particular areas of a hard file which fails during testing. This test also provide a method of correcting certain types of errors. To select the Fixed Disk Optimized Test: 1. Select the diagnostic option on the toolbar and press Enter. 2. Select the Fixed Disk Optimized Test 3. Select Hard Drives - NORMAL TEST to run a complete hard file test. 4. Select Hard Drives - PRESENCE TEST to run a test to check the drive controller and report any SMART information that the drive has detected. IntelliStation - 6868/6878 335