Troubleshooting
TDS7104 & TDS7054 Service Manual
6-- 63
After Repair
After removal and replacement of a module due to electrical failure, you must
perform the adjustment or software update as indicated in Table 6--7.
Table 6--7: Action required for module replaced
Module replaced Adjustment required
1
Software update required
Front panel assembly No None
Acquisition board Yes None
PPC Processor board No
1
Installation by Tektronix is
required
NLX processor assembly No Windows,
oscilloscope application
Display panel or display system No None
Power supply Yes None
Interconnect boards No None
Fans No None
1
Replacement of this board must be performed by Tektronix.
BIOS Error Messages ( Bali NLX)
Table 6--8 lists error messages displayed by the BIOS.
Table 6--8: BIOS Error messages
Error message Explanation
GA20 Error An error occurred with Gate-A20 when switching to protected mode
during the memory test.
Pri Master HDD Error
Pri Slave HDD Error
Sec Master HDD Error
Sec Slave HDD Error
Could not read sector from corresponding drive.
A: Drive Error
B: Drive Error
No response from diskette drive.
Cache Memory Error An error occurred while testing L2 cache. Memory may be bad.
CMOS Battery Low Replace the battery soon.
CMOS Display Type Wrong The display type is different than what has been stored in CMOS.
Check Setup to make sure type is correct.
CMOS Check Sum Bad The CMOS checksum is incorrect. CMOS memory may have been
corrupted. Run Setup to reset values.
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