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
NCR Manuals
Desktop
PC4I
Service manual
NCR PC4i Service Manual
Hide thumbs
Also See for PC4i
:
Technical reference
(544 pages)
,
Service manual
(331 pages)
,
Owner's manual
(167 pages)
1
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
page
of
332
Go
/
332
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Chapter 1 System Overview
Display Unit
Chapter 4 Level 1 Diagnostics
Memory (Main Menu Selection 1)
Tools
Alternate Main Processor Board
Chapter 2 Basic Troubleshooting
Level O (Power-On) Diagnostics
Power on
Power Cords and Switches
Memory Test Messages
After First Attempt
After Second Attempt
Test Total Memory
Test CRT and Disk Drives
Chapter 3 Level O Diagnostics
Memory Test
Other Mpb Tests
Initialization and Loading
R or Returns
Level O Loop Tests on Generic Processor Board
Parallel Port Error Codes
Suggested Action
Memory Test Help Screens
RAM Pattern Test
RAM Address Test
RAM Parity Test
Firmware Checksum Test
Controllers (Main Menu Selection 2)
Controllers Test Help Screens
CPU Test
DMA Test
Flexible Disk Controller Test
Interval Timer Test
Interrupt Controller Test
CPU Controller Test
Monochrome Display Controller Test
Color Graphics Display Controller Test
Keyboard (Main Menu Selection 3)
Flexible Disk Drive (Main Menu Selection 4)
Read Only Drive a Test
Read/Write Drive a Test
Fixed Disk Drive (Main Menu Selection 5)
Fixed Disk Drive Test HELP Screen
Read/Write Maintenance Track
Read Only Sectoro
Read Only Entire Disk
Read/Write Entire Disk
Fixed Disk Controller
Monochrome Display (Main Menu Selection 6)
Color/Graphics Display (Main Menu Selection 7)
Peripherals (Main Menu Selection 8)
Serial Port Loopback Test
Parallel Port Loopback Test
Printer Tests
Generic Printer Test
PC Compatible Printer Test
Utilities
Local Test
Remote Test
Picture Test
Chapter 5 Level 1 Diagnostic Error Returns
Repair Guidelines
Preliminary Checks
Main Processor Board Components
Memory Addressing
Codes
Format of Displayed Error Codes
Memory Error Codes
Repair Procedure 01
Repair Procedure 02
Repair Procedure 03
Repair Procedure 04
Flexible Disk Drive Error Codes
Crt
Early-Type Main Processor Board
Alternate Main Processor Board
Wiring Diagram
Graphics Controller Board
Alpha Controller Board
Flexible Disk Drive
Flexible Disk Drive 1.2 MB
Fixed Disk Drive
Crt
Color CRT
Color Power Supply
Memory Expansion Board
DLC Inhouse I/F Board
Videotex Adapter Board
Videotex Switchboard
Wiring Diagram Videotex
Keyboard
Advertisement
Quick Links
Download this manual
See also:
Owner's Manual
(
Personal
Computer
PC4i
Service Manual
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Chapters
Table of Contents
3
Crt
239
Table of Contents
Related Manuals for NCR PC4i
Desktop NCR PC4I Technical Reference
(544 pages)
Desktop NCR PC4i Service Manual
(331 pages)
Desktop NCR PC4i Owner's Manual
(167 pages)
Desktop NCR NCR 7452 User Manual
(261 pages)
Desktop ncr RealPOS 70XRT User Manual
(183 pages)
Desktop NCR RealPOS 70XRT User Manual
Pos workstation (149 pages)
Desktop NCR 3125 User Manual
(196 pages)
Desktop NCR 7448 Hardware User's Manual
(243 pages)
Desktop NCR Decision Mate V Hardware System Technical Manual
(426 pages)
Related Products for NCR PC4i
NCR P1235
ncr P1535
NCR P1535 POS (7761)
NCR Personas M Series
NCR PX10 POS 7746
NCR P Series
NCR POS XR8
NCR POS XR8c
NCR Port C
NCR personaS84 ATM
NCR PX10
NCR PX15 POS
NCR P1532
NCR 7452
NCR Decision Mate V
NCR RealPOS 70XRT
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