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Winchester disk 110
Acorn Computers Limited Winchester disk 110 Manuals
Manuals and User Guides for Acorn Computers Limited Winchester disk 110. We have
1
Acorn Computers Limited Winchester disk 110 manual available for free PDF download: Service Manual
Acorn Computers Limited Winchester disk 110 Service Manual (43 pages)
Brand:
Acorn Computers Limited
| Category:
Computer Hardware
| Size: 2 MB
Table of Contents
Table of Contents
4
Introduction
6
Packaging and Installation
7
Specification
8
Disc Drive
8
ADAPTEC ACB-4000 Winchester Disc Controller
8
Host Adapter
8
Power Supply
8
Environmental
9
Outside Dimensions
9
Connections
9
Disassembly and Assembly
10
Circuit Description
13
The Disc Controller Board
13
SCSI Control and Data Lines
14
SCSI Connector Pinout (PL2 and J4)
15
Bus Phases
15
The Reset Condition
17
The ST-412 Disc Interface Connector Pinouts (J2 and J0)
18
The 1Mhz Expansion Bus
19
Control, Address and Data Lines
19
Connector Pinout
19
Winchester Disc Host Adapter
20
Address Decoding and Handshaking
20
Buffering
21
Termination
21
Test Equipment and Formatting
22
Fault Finding
23
Power Supply
23
Address Decoding
24
FC40 Read Data
24
FC40 Write Data
24
FC41 Read Status
25
FC42 Write Select
25
FC43 Write IRQ Enable
26
Handshaking
26
Bus Lines
27
Appendix
28
Host Adapter PCB Circuit Diagram
30
Winchester Disc Unit Block Diagram
32
Winchester Disc Unit Parts List
33
Winchester Disc Unit Assembly Diagram
34
Winchester Disc Unit Wiring Diagram
36
LED Connection Diagram
38
Winchester Disc Host Adapter Parts List
39
Host Adapter PCB Assembly Diagram
40
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