Table Of Contents - HP 7957A Hardware Manual

Chapter 1
General Information
Contents
Page
1-1
Introduction ........................... ' .......... : ........................................................... 1-1
Scope of Manual. ............................................................................................ 1-1
Options ...................................................................................................... 1-2
Related Manuals ............................................................................................. 1-2
Characteristics ............................................................................................... 1-2
Chapter 2
Interface Information
Page
2-1
Introductioll ................................................................................................. 2-1
Supported I~SDI Features .................................................................................... 2-1
Drive Interface Characteristics .............................................................................. 2-1
Interface Signals ............................................................................................. 2-1
Drive Operating Features .................................................................................... 2-8
Drive/Head Selection Sequence .......................................................................... 2-8
Media Fc)rmat ........................................................................................... 2-12
Sector Format ........................................................................................ 2-12
Sector Offset ......................................................................................... 2-12
CS/80 Command Set Implementation ...................................................................... 2-12
Chapter 3
Theory Of Operation
Page
3-1
Introdllction ................................................................................................. 3-1
CS80/ESDI Controller [CEC] PCA-A2 .................................................................... 3-1
Transfers .................................................................................................. 3-2
Disc Format ................................................................................................. 3-2
Sparing ....................................................................................................... 3-5
Sequencc;~
.................................................................................................. 3-5
Sector SI)aring ............................................................................................
3-5
Track Sparing ............................................................................................. 3-5
Errors ........................................................................................................ 3-6
Error Definition .......................................................................................... 3-6
Error Logs ................................................................................................ 3-6
Error Detection and Correction .......................................................................... 3-6
Disc Drive :PCA-Al .......................................................................................... 3-7
Drive Mechanics .......................................................................................... 3-7
Preamplifier Board ....................................................................................... 3-9
5