HP 7936 Support Manual page 14

Contents (continued)
Chapter 12
Diagrams
Page
12-1
Introduction ................................................................................................ 12-1
Dimensions .................................................................................................. 12-1
Air Circulation................................................................... -....................... 12-1
Assembly Location .......................................................................................... 12-1
Signal Distribution .......................................................................................... 12-1
Functional Block Diagrams ................................................................................. 12-2
Appendix A
HP-IB Controller
Page
A-I
Introduction ................................................................................................ A-I
Controller Interfaces ........................................................................................ A-I
HP-IB .................................................................................................... A-I
HP-IB Communications .............................................................................. A-3
Channel Management ................................................................................
A-4
Message Structure .................................................................................... A-4
CS/80 Instruction Set .................................................................................
A-4
ESI ....................................................................................................... A-5
Disc Data Bus ........................................................................................ A-5
Data Path Control Bus ............................................................................... A-6
Servo Control Bus .................................................................................... A-7
Miscellaneous Signals ................................................................................. A-7
Human Interface ........................................................................................ A-7
Functional Operation .......................................................................................
A-7
Power-Up ................................................................................................ A-8
Head Positioning ......................................................................................... A-8
Write ....................................................................................................
A-8
Read .....................................................................................................
A-9
Error Correction .................................................... " ................................... A-I0
Hardware Architecture ................................................ " ................................... A-I0
HP-IB Circuitry ..................................................... " ................................... A-I0
HP-IB Interface ...................................................................................... A-IO
DMA ................................................................................................ A-I0
ESI Circuitry ............................................................................................ A-II
Disc Data Interface .................................................................................. A-II
DMA ................................................................................................ A-ii
ECC ............................................... -.. -................................................ A-I2
Data Path Control Interface ........................................................................ A-I2
Servo Control Interface ............................................................................. A-i2
Microprocessor Circuits ................................................................................ A-12
Microprocessor ...................................................................................... A-13
Microprocessor Memory ............................................................................ A-13
Clock Generators .................................................................................... A-13
12