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
IBM Manuals
Desktop
AT 5170
Technical reference
IBM AT 5170 Technical Reference page 198
Hide thumbs
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
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
page
of
500
Go
/
500
Contents
Table of Contents
Bookmarks
Table of Contents
Advertisement
••
Addre!!~
Pub Ii ca
by
Name
Address
PubliC!!
by
Value
FOOO:E729
AI
FOOO 0000
POSTI
FOOO: 3A23
ACT OISP PAGE
FOOO 0008
Aba
K6L
FOOO: 6000
BASTc
-
FOOO 0010
Aba
FOOO: 19FO
BEEP
FOOD 0050
START
I
FOOO;IB1A
BLINK
tNT
FOOO 0396
C8042
FOOO:2022
BOOT STRAP I
FOOO 03A2
OBF 42
FOOO:OC96
C21 -
-
FOOD OC96
POST2
FOOO:0396
C8042
FOOO OC96
C21
FOOO :4135
CASSETTE 10 I
FOOO
1052
SHUT3
FOOO: 1941
CMOS READ
-
FOOD
IOB6
SHUT2
FOOOl195B
CMOS-WR r TE
FOOD
1089
SHUT7
FOOOII A45
CONFIG 8AD
FOOO
lOOA
SHUT6
FOOD :E6F5
CONF TeL
FOOD
1613
SHUT4
FOOO:FA6E
CRT CHAR GEN
FOOO
\ 671
POST3
FOOO:E020
01 -
-
FOOO
1941
CMOS READ
FOOO: lBCA
011
FOOD
1941
POST4
FOOO:E030
02
FOOO
1958
CMOS WR [TE
FOOO:E040
02.
FOOO
1915
ODS
FOOO:1915
DDS
FOOD
1970
E MSG
FOOO:20E3
DISKETTE 10 1
FOO~
19A4
P-MSG
FOOOIEFCl
DISK 8ASE
-
FOOO
1982
ERR
BEEP
FOOO:2All
DI SK-INT I
FOOO
19FO
BEEP
FOOO:2C2B
Ot SK-IO -
FOOD
IA36
WAITF
FOOO: 2A82
DISK-SETUP
FOOO
1
A45
CONFIG 8AD
FOOO:2A2E
OSKETTE SETUP
FOO~
IA59
XPC BYTE
FOOO IFF!53
DUMMY RETURN
FOOO
IA69
PRT-HEX
FOOOIICl8
DUMMY-RETURN 1
FOO~
IA10
PRT-SEG
FOOD :E05E
FOOO
I A85
PROT PRT HEX
El01
-
FOOOIE077
EI02
FOOD
I A81
ROM CHECKSUM
FOOO;E090
EI03
FOOO
I ABO
ROM-CHECK
FOOO :EOA9
EI04
FOOO
I AEF
KBD-RESET
FOOO:EOC2
Et05
FOOO
181A
BLINK
INT
FOOO:EODB
EI06
FOOO
1828
SET TOO
FOOO:EOF4
EI07
FOOO
IBCA
011
FOOOIEIOD
Et 08
FOOD
lCI8
DUMMY RETURN I
FOOOIEI26
E I 09
FOOD
ICI9
RE D[RECT
FOOOIEI3F
E161
FOOO
1C22
I NT 287
FOOOIEI68
EI62
FOOO
IC3t
PRce SHUTDOWN
FOOO:EI91
EI63
FOOD
I C38
POST!"
FOOO:EI87
EI64
FOOO
102A
SYSINITI
FOOO:E1DB
E201
FOOO
I EB5
POST6
FOOO;E1EE
E202
FOO~
IEB5
STGTST CNT
FOOO:E209
E203
FOOO
IFB5
ROM ERR
FOOO:E224
E301
FOOD
IFEI
XMIT 8042
FOOOrEZ39
E302
FOOO 2022
BOOT-STRAP I
FOOOIE2C6
E303
FOOD 20E3
DISKETTE
'0
I
FOOO:E2EA
E304
FOOO 28C I
SEEK
-
FOOOIE30E
E401
FOOO 2A t 7
DISK
INT
I
FOOOIE31E
E501
FOOO 2A2E
DSKETTE SETUP
FOOOIE32E
E601
FOOO 2A82
DISK SETUP
FOOOIE343
E602
FOOO 2C2B
DISK-tO
FOOOl40A8
EQUIPMENT
1
FOOO 314F
HD INT
FOOO: 1982
ERR BEEP
FOOO 3172
KEYBOARD 10 I
FOOD: 1970
E
MSG
FOOD 31FE
KB INT 1-
FOOD :E364
FT780
FOOO 3267
KI6
FOOO:E379
FI781
FOOO 366C
SNO DATA
FOOOIE38E
FI782
FOOO 3716
PRINTER
[0
1
FOOO:E3AC
F1790
FOOO 37AO
RS232
[0 ,
FOOO:E3BF
FI791
FOOO 38BO
VIOED-'O-'
FOOO IE302
F3'
FOOD 38EF
SET MODE
FOOO:E250
F3D
FOOD 398F
SET-CT'rPE
FOOO;E30F
F3DI
FOOO 39E4
SET-CPOS
FOOD: E40 I
FD T8L
FOOD 3AOC
READ CURSOR
FOOO:488e
FILL
FOOO 3A23
ACT DISP PAGE
FOOD :FF5E
FLOPPY
FOO~
3A47
SET-COLOR
FOOD: 450 1
GATE A20
FOOO 3A60
VIDEO STATE
FOOO:314F
HO IRT
FOOD 3A90
SCROLL UP
FOOOIFF5A
HRD
FOOD 3B2F
SCROLL -DOWN
FOOOIICZ2
INT 287
FOOD 3B81
READ ....
C
CURRENT
FOOO:EBEI
FOOD 3808
WR I TE Ai: CURRENT
KIO
FOOO:E9IB
KII
FOOO 3COD
WR I TE-C CURRENT
FOOOIE955
K 12
FOOO 3CBD
READ
Bof
FOOOIE95F
KI3
FOOO 3CCE
WR
I TE
DOT
FOOO :E969
FOO~
3F72
WR ITE-TTY
.,.
FOOOIE916
.,,
FOO~
3FF9
READ [PEN
FOOO:3267
FOO~
409E
MEMOih
5
I ZE DET I
.,.
FOOO:E87E
FOOO 40A8
EQUIPMENT ,-
..
FOOOI0008
Aba
K6L
FOOD 40B2
NMJ
INT 1
FOOD :E866
FOOO 4135
CASSETTE 10 1
.,
FOOO :E8eE
K8
FOOD 43BF
SHUT9
-
K.
FOOOIE6C8
FOOO 4501
GATE A20
FOOO:1AEF
KBD RESET
FOOD 45BD
TIME-OF DAY
I
FOOO:31FE
KB TNT I
FOO~
473F
RTC TNT-
FOOO:3112
KEYBOARD
10 1
FOOO 47A9
PR INT SCREEN 1
FOOOIOOIO
Aba
M4
- -
FOOO 4B3F
TIMER-INT I
FOOOIFOE4
.5
FOOO 4888
FILL -
FOOOIFOEC
FOOO 6000
BASIC
FOOOIFOF4
••
.,
FOOO E020
01
FOOO :409E
MEMORY SIZE DET
I
FOOO E030
02
FOOOIE2C3
NMI
INT
-
-
FOOO E040
02.
FOOO :4082
NMJ-rNT I
FOOD E05E
E 1 0 I
FOOO :03A2
QBF-42
FOOO E017
E102
-
FOOOIOOOO
POST1
FOOD E090
E103
FOOO rOC96
POST2
FOOD EOA9
EI04
FOOD: 1671
POST3
FOOD EOC2
E 1 05
FOOOl1941
POST4
FOOD EOOe
El06
FOOD: IC38
POSTS
FOOO EOF4
EI07
FOO~:
IEB5
POST6
FOOO EIOD
EI08
5-26
MAP
Table of
Contents
Previous
Page
Next
Page
1
...
197
198
199
200
Advertisement
Chapters
Table of Contents
9
Section 1. System Board
17
Section 3. Power Supply
141
Section 4. Keyboard
149
Section 5. System BIOS
173
Section 6. Instruction Set
369
Section 9. Ibm Personal Computer Compatibility
427
Table of Contents
Related Manuals for IBM AT 5170
Desktop IBM Personal Computer AT Manual To Operations
(448 pages)
Desktop IBM AT/370 Manual To Operations
Hardware reference library (84 pages)
Desktop IBM A50 User Manual
Lenovo a50, m50e series thinkcentre deskop pc user guide (116 pages)
Desktop IBM NetVista A21 Benutzerhandbuch
User guide for netvista 2256, 2257, 6339, 6341, 6342, 6346, 6347, 6348 systems - (german) (94 pages)
Desktop IBM NetVista A30 Quick Reference
(turkish) quick reference (40 pages)
Desktop IBM PC 300 Naslagboekje Manual
Quick reference guide pc300 2169 (dutch) (50 pages)
Desktop IBM PC 300 Hurtigreferanse Manual
Quick reference guide pc300 2169 (norwegian) (46 pages)
Desktop IBM NetVista A20 Brukerhåndbok
(norwegian) user guide (132 pages)
Desktop IBM PC 300 Maintenance Service Manual
For micro tower & desktop models (163 pages)
Desktop IBM NetVista A20 User Manual
User's guide - ibm pc300 (6344) (swedish) (194 pages)
Desktop IBM NetVista A22p Kurzübersicht
(german) quick reference guide (78 pages)
Desktop IBM NetVista A22p Solución De Problemas
(spanish) quick reference guide (72 pages)
Desktop IBM NetVista A22p Quick Reference Manual
(slovakian) quick reference guide (70 pages)
Desktop IBM NetVista A22p Brugervejledning
(danish) user guide (86 pages)
Desktop IBM NetVista A22p User Manual
(finnish) user guide (84 pages)
Desktop IBM NetVista A22p Quick Reference Manual
(swedish) quick reference guide (68 pages)
Related Products for IBM AT 5170
IBM Personal Computer AT
IBM AT/370
IBM A50
IBM ThinkCentre A50 8090
IBM ThinkCentre A50 8149
IBM ThinkCentre A50 8177
IBM ThinkCentre A50 8419
IBM NetVista A21i
IBM NetVista A60i
IBM A60 Type 6833
IBM A60i Type 6832
IBM NetVista A22p
IBM NetWista A60 Type 6838
IBM A40 6568
IBM A40P 6569
IBM NetVista A40 6831
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