HP 330 Service Information Manual page 10

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HP-HIL and Video Accessories ............................................ 24
Hewlett-Packard Support ..................................................... 25
Repair Philosophy ....................................................... 25
Repair Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 25
Hardware Support Services ................................................ 26
Operating Systems Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26
Chapter 2: Assembly Replacement
Introduction ............................................. , . . . . . . . . . . . . . . . . . .. 27
Tools Required .......................................................... 27
Access Flow Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 27
Parts DiagraIns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 30
Safety Precautions ........................................................... 32
Electrical Precautions .................................................... 32
System Board Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 32
Electro-Static Discharge Precautions ....................................... 33
Assembly Replacement Procedures ............................................. 34
Overview ............................................................... 34
Fllse .................................................................... 35
HP-HIL Devices ......................................................... 35
Systenl Bus .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 35
Processor Board ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 36
Video Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 36
Interface Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 36
Add-On Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 37
D I 0 Accessory Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 38
Power Supply ........................................................... 39
Top Cover .............................................................. 41
Front Panel .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 43
Fans ................................................................... 44
DIO Card Cages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 45
DIO Backplane .......................................................... 47
Fan Housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 48
Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
4~8
Card Guides ............................................................ 50
Chapter 3: Functional Description
Introduction ................................................................. 51
Computer Overview ...................................................... 51
Expander Overview ...................................................... 51
Computer Architecture ................................................... 51
Computer Packaging ..................................................... 54
System Implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 54
Unsupported Accessories .................................................. 57
Model 350 Processor Board ............................................... 57
Model
3:~0
Processor Board ............................................... 57
Model 350 System Bus ................................................... 57
Menlory Boards ......................................................... 57
System Interface Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 59
Monitor Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 59
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