HP 7957A Hardware Manual page 9

Hp disc drives hardware support manual
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Contents (continued)
Initiate Diagnostics Command (DIAG) ................................................................... 4-9
CS/80 Describe Command Response ..................................................................... 4-9
Self-Test Controls ........................................................................................... 4-10
Fault/On Line Indicator ................................................................................. 4-10
Internal Diagnostics ......................................................................................... 4-10
Self Test .................................................................................................... 4-12
Self-Test Subtests ........................................................................................ 4-14
Micro:processor Self Test ............................................................................. 4-14
RAM Self Test ....................................................................................... 4-14
ROM 'Checksum Test ................................................................................. 4-15
HP-IB Interface IC Loopback Test .................................................................. .4-15
Buffer Test ........................................................................................... 4-16
Hardware/Software Initialization ................................................................... .4-16
Select A Drive ........................................................................................ 4-16
Command Complete .................................................................................. 4-17
ESDI Status Check .................................................................................... 4-18
Reset Attention ....................................................................................... 4-19
Check for Drive Ready ............................................................................... 4-19
Request Configuration ............................................................................... 4-20
Disc Drive Assembly PCA-Al Self Test ............................................................. .4-20
Seek Test Without Position Verify .................................................................. .4-21
Read Write ECC Test ................................................................................ 4-21
Build Spare Tables .................................................................................... 4-22
Finish HP-IB Interface IC Initialization ............................................................. .4-22
Request Status ........................................................................................... 4-22
Request Status Example ................................................................................. 4-23
Utilities ..................................................................................................... 4-23
Run Time and Fault Logs (Media Based) ............................................................... .4-24
Run Time and Fault Logs (EEPROM Based) ........................................................... .4-24
EEPROl\l[ ................................................................................................ 4-25
Fault Status Bytes ........................................................................................ 4-26
Physical Jt\ddress Reporting .............................................................................. 4-27
Run Time Sectors Read Count (Media and EEPROM Based) ........................................... 4-27
Error Rate Test (.ERT) Log .............................................................................. 4-28
Error Byte Description .................................................................................. 4-29
CS/80 No Execution Message Utilities ................................................................. .4-30
Clear :Logs ............................................................................................ 4-30
Preset ................................................................................................. 4-30
Faults/Errors During Error Rate Testing ............................................................ .4-30
CS/80 Send Message Utilities ........................................................................... .4-31
Read Fault Log ....................................................................................... 4-31
Read Run Time Error Log ........................................................................... 4-31
Read Error (ERT) Log ............................................................................... 4-32
Measure Seek Time ................................................................................... 4-33
Read Spare Table ..................................................................................... 4-33
Locatc~
And Read Full Sector ........................................................................ 4-34
Servo Test ............................................................................................ 4-34
7

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