HP 9845B/C CE Handbook page 20

2-6
9845B/C Environmental, Installation, and Preventive Maintenance Requirements
Functional Areas of the CRT
PRINT AREA LINE
I
2
3
4
5
6
7
B
9
:~
Like a printing device.
12
13
14
15
16
=-iU :~
For displaying DISP output or INPUT prompts.
19
PRINT AREA LINE 211
For messages from the co uter
DISPLAY AREA
and results of keyboard ope ations.
~~~=~ ~:~:~
==}
For keyboard inputs.
SYSTEM COMMENTS
ARE~--------I
~:~~~~
t=:t
:~=}
For softkey labels (98458 Model 200 and 9845C).
CAUTION
ALWAYS SWITCH OFF THE COMPUTER WHEN INSERTING OR
REMOVING ROMS. FAILURE TO DO SO COULD DAMAGE THE
EQUIPMENT.
ROMs Update List
Plug-in Option ROMs available for use with the 9845 are shown in the following table.
Option Amount of Read/
Option ROM Name
Option ROM Number Write Memory Used
Graphics
HP 98411B or Opt. 311 90 bytes
(9845B Model 100 only)
Enhanced Graphics
(standard)
264 bytes
(9845B Model 200 and 9845C)
110 HP 98412A or Opt. 312 640 bytes
Mass Storage HP 98413B or Opt. 313 None
Advanced Programming HP 98414A or Opt. 314 None
Structured Programming HP 98415A None
Basic Datacomm HP 98417A 380bytes
Bisync Datacomm HP 98418A 40 bytes
Assembly Execution HP 98438A or Opt. 438 See the Assembly
Execution ROM Manual
Assembly Execution HP 98439A or Opt. 439 See the Assembly
and Development Development ROM
Manual
Data Base Management System
HP 98430A or Model
120 bytes
190, Opt. 330,331,
or 332
(Model 280 includes
these ROMs also)