Series 80 Comparison Table


spec 83 85A 85B 86A 86B 87A 87XM
standard ROM 32K 32K 48K 48K 56K 48K 48K
addable ROM 48K 48K 48K 48K 48K 48K 48K
maximum ROM 80K 80K 96K 96K 104K 96K 96K
spec 83 85A 85B 86A 86B 87A 87XM
CRT display RAM 8K 8K 8K 16K 16K 16K 16K
standard user RAM 16K 16K 32K 64K 128K 32K 128K
addable user RAM 16K 16K 0K 512K 512K 512K 512K
maximum user RAM 32K 32K 32K 576K 640K 544K 640K
spec 83 85A 85B 86A 86B 87A 87XM
electronic disc ROM NO NO BUILT-IN addable BUILT-IN addable addable
built-in dedicated e-disc RAM NO NO 32K 0K 0K 0K 0K
standard user RAM convertible to e-disc RAM NO NO 0K 32K 96K 32K 96K
addable user RAM convertible to e-disc RAM NO NO 512K 384K 512K 384K 384K
maximum e-disc RAM NO NO 544K 416K 608K 416K 480K
spec 83 85A 85B 86A 86B 87A 87XM
built-in CRT display area 5" diag 5" diag 5" diag n/a n/a 7.9" x 3" 7.9" x 3"
separately purchasable 12" monitor display area n/a n/a n/a 9" x 5.8" 9" x 5.8" n/a n/a
separately purchasable 9" monitor display area n/a n/a n/a 6.4" x 4.3" 6.4" x 4.3" n/a n/a
alpha rows/columns - default 16 x 32 16 x 32 16 x 32 16 x 80 16 x 80 16 x 80 16 x 80
alpha rows/columns - selectable n/a n/a n/a 24 x 80 24 x 80 24 x 80 24 x 80
scrollable alpha lines - normal mode 64 64 64 54 54 54 54
scrollable alpha lines - alphall mode n/a n/a n/a 204 204 204 204
graphics resolution - normal mode 256 x 192 256 x 192 256 x 192 400 x 240 400 x 240 400 x 240 400 x 240
graphics resolution - graphall mode n/a n/a n/a 544 x 240 544 x 240 544 x 240 544 x 240
spec 83 85A 85B 86A 86B 87A 87XM
built-in CRT display YES YES YES no no YES YES
built-in thermal printer no YES YES no no no no
built-in tape cartridge drive no YES YES no no no no
spec 83 85A 85B 86A 86B 87A 87XM
built-in HP-IB interface no no no no YES YES YES
built-in external monitor interface no no no YES YES no no
built-in Centronics compatible printer interface no no no YES no no no
built-in set of two HP 9130A disc interfaces no no no YES no no no
spec 83 85A 85B 86A 86B 87A 87XM
mass storage ROM addable addable BUILT-IN BUILT-IN BUILT-IN BUILT-IN BUILT-IN
printer ROM addable addable addable BUILT-IN BUILT-IN BUILT-IN BUILT-IN
plotter ROM addable addable addable addable addable addable addable
input/output ROM addable addable addable addable addable addable addable
matrix ROM addable addable addable addable addable addable addable
advanced programming ROM addable addable addable addable addable addable addable
assembler ROM addable addable addable addable addable addable addable
MIKSAM ROM NO NO NO addable addable addable addable
extended mass storage ROM addable addable addable addable addable addable addable


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