9845B/C Computer Specifications - HP 9845B/C CE Handbook

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_ Product Information
9845B/C Computer Specifications
The following specifications are common to both the
System 45B and 45C.
COMPUTATIONAL
Memory
Dynamic Range .... , ., .......... -10
99
to -10-
99
,0,
+
10-
99
to
+
10
99
Internal Calculation
Range ................ .
Tape Cartridge
.... -10
511
to -10-
511
,0,
+
10- 511 to
+
10
511
Capacity (per cartridge) .......... 217000 bytes
Access. . . . . . . . . . . . . . . . . .. directory (stored in r/w
memory), file-by-name
Search Speed (bidirectional) ..... 2286 mmls. (90 in/s.)
Average Access Time ........... 6 s.
Average Transfer Rate. 1 440 byte/so
Rewind Time. . . . ..... 19 s. (end to end)
Cartridge Size. . . .63.5 x 82.5 x 12.7mm
(2.5 x 3.25 x 0.5 in.)
Read/write
Verification ..................... program recording
Error Check .................... check sum
Note: Tape cartridges are intended for nominal program
or data storage; the typical life cycle is 50-100 hours of use,
depending upon the application. It is suggested that tape
transports be cleaned regularly and tape cartridges removed
from drives after use.
THERMAL LINE PRINTER
Printing Speed .................. up to 480 lines/minute
Plotting Speed:
normal mode ................. 25.4 mmls. (1 in./s.)
CRT transfer .................. 3.5 to 25 mmls.
(0.14 to 1 in./s.)
Character Matrix. . . . . . . . . . .5 x 7 dots (7 x 12 field)
Noise Level:
9 hours
@
100% duty cycle .... 68 dba (max.)
0.5 hours
@
100% duty cycle ..... 55 dba (avg.)
Paper Feed. . . . . . .. . ........... automatic load
Paper Dimensions:
English version ............... 216 mm x 61m (S.5 in.
x 200 ft.)
Metric version ................ 210mm x 60m (8.27 in.
x 197 ft.)
Paper Types .................... black print, perforated
blue print, continuous roll
Note: The 9845 printer is designed to print approximately
50 000 Ft. of paper (about 250 rolls) prior to print head
replacement. However, actually print head life may
vary Widely depending upon usage.
CRT ALPHANUMERIC MODE
Character Generation ............ 7 x 9 character font in
a 9 x 15 character cell
Cursor ......................... blinking underline
Highlighting .................... inverse video, blinking
and underlining
MOS Memory ...... . ........ 7 680 bytes of non-user
read/write memory
KEYBOARDS
Standard ASCII,
also available in ................. French, Spanish, German
Katakana, SwedishlFinnish
The following specifications vary between the HP 9845B and HP 9845C.
SPECIFICATIONS
HP 9845B (with standard HP 9845B (with enhanced HP 9845C
processor and CRT)
processor and CRT)
ALPHA RASTER SIZE 236 x 122.94mm (9.3 x 4.84 236 x 149mm (9.3 x 5.9 in.) 247 x 154mm (9.72 x 6.06 in.)
in.)
SCREEN CAPACITY 26 lines x 80 characters 26 lines x 80 characters 26 lines x 80 characters
(2 080 characters) (2 080 characters) (2080 characters)
DOT SPACING 0.32Smm (0.013 in.) 0.32Smm (0.013 in.) 0.343mm (0.0135 in.)
GRAPHICS MODE
Raster Size
200xI62.5mm (7.9x6.4in.)
184x149mm (7.2x5.8in.) 192xl56mm (7.5x6.1 in.)
Display Speed
(Vectors/s., overlapped and not clipped)
Opt. 100
Opt. 200
For/Next
-SO
-270 -95
-145
Matrix Plot N.A.t -430 -200
-240
Absolute Plot N.A.t
-5000 -5000
-5000
Circles/s., not clipped
N.A.t
-240 -2
-5
Linearity
1.5% full screen
1.5% full screen <2% full screen
Array Size 560 x 455 dots 560 x 455 dots 560 x 455 dots
Dot Resolution 0.357mm (0.014 in.)
0.33mm (0.013 in.) O.034mm (0.013 in.)
CURSOR
Plotting Mode Full screen or blinking
Full screen or blinking Full screen or small crosshair
crosshair crosshair
Letter Mode Blinking underline
Blinking underline
Blinking underline
Character Editing
Overstrike in letter mode Overstrike in letter mode Overstrike in letter mode
09845-90039.
rev:
4184
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