Troubleshooting (MSO/DPO5000 Series)
BIOS Beep Codes
When the COM-E b
oard powers on, a number of the BIOS checkpoints generate
an audible ‘beep’ code on failure using the standard PC speaker (also routed
through the board audio system). The beep codes are listed in the following table.
Codes are also written to I/O port 80h and the video adapters. External ROM
modules may issue a series of tones on error detec tion.
Table 4-21: BIOS beep codes
Beep code Error message
1 short beep
Self test has completed without error.
3 beeps Memory
Hard Disk
Drive Repair
Use the same procedures to maintain the instrument hard disk drive that you use
to maintain a hard disk drive in a personal computer.
Using ScanDisk, you may be able to repair the disk without destroying data on the
disk. To use ScanDisk, perform the following steps:
1. Remove the hard d isk drive from the instrument.
2. Install the hard disk drive into a personal computer.
3. Power on the computer and run ScanDisk. Set ScanDisk to perform a
thorough surface sc an and to automatically fix errors.
Using Microsoft Windows: select
My Computer\File\Properties\Tools\Error-checking
Using Microsoft MSDOS: enter SCANDISK drive:/SURFACE
/AUTOFIX
4. If ScanDisk cannot repair the disk, format the hard disk drive using the File
Utilities Format command. Format will destroy all data currently on the disk.
5. If reformatting the hard disk and reloading the software does not repair the
disk, install a new hard disk drive.
4–58 MSO70000/C, DSA70000B/C, DPO70000B/C, DPO7000, MSO5000, DPO5000 Series
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