IBM 5280 Technical Newsletter page 117

diskette adapter commands
inhibit-control-data-AM
264
read-data 262
read-diagnostic 264
read-I 0
264
reset-access-counter 264
seek 261
set-mode/select 264
set-ready 264
write-control-data
264
write-data 263
write-I 0
264
write/read-check 261
diskette adapter registers
command
266
drive configuration
266
sense register 1 265
sense register 2
265
sense register 3 265
diskette attachment 259
diskette drive
capacities 243
description
243
drive A location
drive B location
driver/receiver card
53
local cable diagram
54
MPU card
50
remote cable diagram 56
removal
48
replacement
48
diskette lOB pointers and.IOBs
diskette MPU 259
diskette surface analysis program
display AC connector 22
display adapter
253
display assembly
adjustments
B+ 27
Brightness control 23
brightness limiter
23
centering
27
Contrast control
23
focus 27
horizontal centering 25
horizontal width 25
linearity phase 24
vertical height
24
vertical hold 24
vertical linearity 24
video gain/video drive 23
yoke 26
cable diagram 38
locations
AC connector
22
centering rings
22
CRT
22
service information label
yoke
22
MPU card 33
printed circuit board 22
removal 30
260
196
22
display assembly (continued)
replacement
30
storage card 35
display exerciser 193
display screen examples
32
display scr:een location 1
display/alter functions
214
drive-in-use indicators
location
removal
11
replacement
11
dual data station adapter card 34
dump procedure
165
EAR register 253,268
EC level 174
EIA/CCITT
310
cable diagram
144
interface lines and diagram 311
interface testers
141
jumpers 123, 132
signal levels
310
elapsed time counter
244, 258
test 193
elapsed time counter card
119
error code format
218
error log
display example 194,198
program (TCOMEREP) 198
program TSYSER EP 194
TLOGFILE
194
error messages
1110 255
3151 186
3215 177
9119 218
9120 218
9231 218
9999 186
error recording tables, main storage 212
how to display communications tables
how to display system tables 214
error table format 217
error table, CAM 225
error·table, CCB 224
ESD service aids
162
external address (EAR) register
268
fan
location 3
removal 91
replacement
shroud removal
91
88
shroud replacement 88
224
Index
369