HP 3000 9x9KS Service Manual page 8

Dual Bus 4-Slot HSC Expansion I/O Card (K570/K580 only)........................................ 7-25
HP-HSC I/O Card............................................................................................................. 7-26
HP-PB I/O Card ............................................................................................................... 7-27
Power Supply (all models except HP3000/979KS, HP9000/K250/K260/K450/460 and
HP VISUALIZE Workstation models) ............................................................................ 7-28
Power Supply (HP3000/979KS, HP9000/Kx50/Kx60/Kx70/Kx80,
and HP VISUALIZE Workstation Models) ..................................................................... 7-29
Power Supply Fan Assembly ........................................................................................... 7-31
Fan Tray ........................................................................................................................... 7-32
System Board ................................................................................................................... 7-33
HP 9000/K100 ............................................................................................................... 7-33
HP 3000/9x9KS and HP 9000/K2x0/K4x0/Kx70 ......................................................... 7-35
HP-PB I/O Card Cage and Card Cage Power Supply
(HP3000 969/979/989 and HP9000 K3xx/K4xx/K5xx) .................................................. 7-39
I/O Card Removal.......................................................................................................... 7-39
HP-PB I/O Card Cage Removal .................................................................................... 7-40
Power Supply Removal ................................................................................................. 7-41
SPCM Card Removal .................................................................................................... 7-41
HP-PB Card Cage Backplane Removal......................................................................... 7-42
Rack-Mount Cabinet Procedures ..................................................................................... 7-43
Cabinet Removal and Replacement Procedures............................................................... 7-46
Rear Door....................................................................................................................... 7-46
Top Cap ......................................................................................................................... 7-46
Side Cover ..................................................................................................................... 7-46
Forehead Assembly ....................................................................................................... 7-47
Base Cover..................................................................................................................... 7-47
Rear Door Hinge............................................................................................................ 7-48
Rail Assembly................................................................................................................ 7-48
Fan Assembly ................................................................................................................ 7-48
Fan ................................................................................................................................. 7-49
PDU ............................................................................................................................... 7-50
Cabinet Leveler or Caster .............................................................................................. 7-51
Magnetic Door Catch..................................................................................................... 7-51
Door Bumper ................................................................................................................. 7-52
8 - SCSI Peripherals and I/O Information
Introduction ........................................................................................................................ 8-1
Configuration ..................................................................................................................... 8-2
SCSI Cables ..................................................................................................................... 8-3
Cable Characteristics ....................................................................................................... 8-3
Voltages / Current ....................................................................................................... 8-3
Termination/Term Power................................................................................................. 8-6
Termination Characteristics and Power........................................................................... 8-6
Normal Operation............................................................................................................... 8-6
Common Problems............................................................................................................. 8-7
Cable and Terminator Part Numbers.................................................................................. 8-7
viii Contents