Table Of Contents - HP Integral Personal Computer Service Manual

CUpt.r
1
1.1
1.2
1.3
1.4
2
3
3.1
3.2
4
S
5.1
5.2
5.3
5.4
5.5
5.5.1
5.5.2
5.6
5.6.1
5.6.2
5.7
5.7.1
5.7.2
5.8
5.8.1
5.8.2
5.8.3
5.9
5.9.1
5.9.2
S.10
5.11
S.12
S.13
5.14
5.15
5.16
Contents
p ...
Product Information
Introduction ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-3
Serial Number Information ........................................ 1-6
Sit. Preparation and ...... ir .........
Install.tion .net Conlgumion
Introduction ..................................................... 3-1
Preparation ..................................................... 3-1
Preventiv .... Int ...... c.
Function •• Description
Introduction ....................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1
CPU ........................................................... 5-3
Interrupts ....................................................... 5-4
RAM ........................................................... 5-4
ROM ........................................................... 5-4
The Plug-In ROM Assembly ..................................... 5-4
The ROM Bus ................................................. 5-5
MMU .......................................................... 5-5
Address Mapping .............................................. 5-5
Physical Address Bit 23 ......................................... 5-6
Internal I/O .................................................... 5-6
Internal I/O Addressing ......................................... 5-6
The
Lo~c
A to
Lo~c
B Bus ..................................... 5-7
External 1/0 ..................................................... 5-8
External I/O Addressing ........................................ 5-8
The External
I/O Bus ........................................... 5-9
The 1/0 Backplane ............................................ 5-10
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-11
The Display Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-11
The Display Assembly ......................................... 5-12
Keyboard ...................................................... 5-12
Disc Drive and Controller ........................................ 5-13
Printer ........................................................ 5-14
Real-Time Clock ................................................ 5-14
Speaker ....................................................... 5-15
Hp.:.IB Interface ................................................. 5-15
Power
Supp~y
................................... : .............. 5-16