Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
HP Manuals
Storage
9895A
Service manual
HP 9895A Service Manual
Flexible disc memory
Hide thumbs
Also See for 9895A
:
Service manual
(113 pages)
1
Table Of Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
page
of
147
Go
/
147
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Specifications
Safety Considerations
Chapter 1: General Information
Introduction
General Description
Service Support Package
1-1. PSP Contents
FSI Contents
Options
Equipment Supplied
Accessories Available
Installation
Power Requirements
Line Voltage Selector Switches
Fuses
Addressing
Bus Address Selector Switch
Setting the Drive Number
Self-Test
LED Display
Self-Test Functions
9895A Installation Procedure
Flexible Disc Use
Introduction
Disc Loading
Disc Handling Precautions
Write Protect
Write Enable Method
Operator Controls
Reset Caused by Line Voltage Reduction
Chapter 2: Theory of Operation
Introduction
Controller Module Theory of Operation
General Description
Controller Interface to HP-16 (PHI Chip)
Processor and Memory
Read Operation
Write Operation
Error Detection
Seek Operation
Drive Theory of Operation
Introduction
General Description
Control, Status and Data Lines between the Controller and Drive Electronics
Power Supply Theory of Operation
Introduction
General Description
Functional Characteristics and Communication Protocol
Format Similarities
Track Format
Format Differences
Hewlett-Packard Standard Sector Recording Format
Chapter 3: Maintenance
Introduction
Standard Test Equipment
Special Tools
Disassembly Procedures
Introduction
Cover Panels
Controller Module
Drive Module
Fan Compartment
Controller Board Guide Adjustment
Power Module
Drive Electronics Board
Drive Motor Assembly
Front Plate
Maintenance
Introduction
Troubleshooting
Detector Functions
Adjustment Test Points
Differential Read Signal for Entire Track
Differential Read Signal for Portion of Outer Track
Corrective Maintenance Procedures
Index-To-Burst Check and Adjustment
Head-Unload Clearance
Adjustment Reference List
Radial Alignment
Index Pulse to Write-Splice Bit Timing
Drive Electronics Board Layout Diagram
Door-Closed Switch Adjustment
Track 0 Optical Sensor Adjustment
Track 0 Optical Sensor Output
Disc Ejector
Stepper Motor Mount Screws and Ejector Assembly
Ejector, Latch and Latch Block
Disc-Load-Pad Adjustment
Head-Unload Clearance
Load-Pad Adjustment
Line Frequency Conversion Procedure
System Exerciser
Diagnostic Routines
PROM to ROM Controller Board Re-Configuration
Chapter 4: Status Display Board Diagnosis
Introduction
General Description of Diagnosis Method
Self-Test Initiation
Test Selection
Default Self-Test
Read-Only Self-Test
Write Read Self-Test
Using the Status Display Board for Failure Analysis
Obtaining Test Results from LED Display
09895-66506 Status Display Board
Error Rate Testing with the Status Display Board
Error Codes
Chapter 5: Replaceable Parts
Introduction
Replaceable Parts
Appendix A: HP 9895A Disc Memory Command Set
Introduction
Command Compatibility
Command Sequences
Parallel Poll Response
Cylinder and Track Numbering
Target Addressing
The D Bit
HP and IBM Formats
Loading of the Recording Heads
Holdoffs
Command Execution Checks
Commands
Command Table
Sense Commands
Identify
Dsj
Read Self-Test Results
Read Loopback Record
Request Status
Request (Logical) Disc Address
Request (Physical) Disc Address
Control Commands
Universal or Selected Device Clear
Clear
Initiate Self-Test
Write Loopback Record
Download
Seek
End
Door Lock
Door Unlock
Disc Read Commands
Buffered Read
Unbuffered Read
Verify
Buffered Read Verify
Unbuffered Read Verify
Cold Load Read
ID Triggered Read
Disc Write Commands
Buffered Write
Unbuffered Write
Initialize
Format
Appendix B: Error Messages
Appendix C: Accessory Installation Gulde
Rack Mount Installation Kit
Removing Front Panel
Front Panel Removed
Controller Installation Kit
Accessory Drive Installation Kit
Bottom View of Drive Location
Top View of Drive Location
LED Location
Advertisement
Quick Links
Download this manual
r-=-===========~
SERVICE MANUAL
9895A Flexible Disc Memory
Hewlett-Packard Greeley Division
3404 East Harmony Road, Fort Collins, Colorado 80525
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Related Manuals for HP 9895A
Storage HP 9800 Series Service Manual
Aexible disc memory (113 pages)
Storage HP Cisco MDS 9020 - Fabric Switch Configuration Manual
Cisco mds 9000 family cli configuration guide, release 3.x (ol-16184-01, april 2008) (1444 pages)
Storage HP Ultrium 1840 Quick Start
Hp storageworks ultrium 1840/960/460 external tape drive (2 pages)
Storage HP 9840 Operation Manual
Tape drive (122 pages)
Storage HP 9130K Service Manual
Flexible disc drive (94 pages)
Storage HP 9133D Manual
(25 pages)
Storage HP 9153A Service Manual
(119 pages)
Storage HP StoreAll Series Installation Manual
(252 pages)
Storage HP StoreAll 8800 Administrator's Manual
(167 pages)
Storage HP IBRIX X9720 Administrator's Manual
(189 pages)
Storage HP StoreAll 9730 Administrator's Manual
(230 pages)
Storage HP 330834-B21 - StorageWorks Ultrium 460 Tape Library Drive Module Getting Started Manual
Internal model (56 pages)
Storage HP 9114A Manual
(26 pages)
Storage HP 7906 User Manual
(22 pages)
Storage HP 3PAR StoreServ 7200 2-node Manual
Hp 3par storeserv 7000 smartstart 1.2 user's guide (ql226-96854, june 2013) (63 pages)
Storage HP 3PAR StoreServ 7200 2-node Manual
Hp 3par smartstart 1.1.1 user's guide (qr482-96124, may 2013) (59 pages)
Related Products for HP 9895A
HP 9840
HP 9124 - Cisco MDS Fabric Switch
HP 9130K
HP 9154A
HP 9153A
HP 9153B
HP 9154B
HP StoreAll 9320
HP StorageWorks Ultrium 960i
HP 9134D
HP 9133V
HP 9134V
HP 9133XV
HP 9134XV
HP 9121D
HP 9121S
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
