Hp Series 80 - China Auto Transponder Key - Remote Copy Machine
Features
The first model of the Series 80 was the HP-85, introduced in January 1980. In a typewriter-style desktop case, it contained the CPU and keyboard, 16 kB dynamic RAM, a 5" CRT screen (16 lines of 32 characters, or 256192 pixels), a tape drive for DC-100 cartridges (210 kB capacity, 650 B/s transfer) and a thermal printer. Both the screen and printer display graphics in addition to text, and the printer can copy anything shown on the screen. The chassis included four module slots in the back for expansion which could hold memory modules, ROM extensions, or interfaces such as RS-232 and GPIB.
All components were designed at the Hewlett-Packard Personal Computer Division in Corvallis, Oregon., including the processor and core chipset.
HP-86B with 9121 dual diskette drive
Later models offered variations such as different or external displays, built-in interfaces or a rack-mountable enclosure (see table below for details).
The machines were built around an HP-proprietary CPU code-named apricorn running at 625 kHz (0.6 MHz, sic) and had a BASIC interpreter in ROM (32kB). Programs could be stored on DC-100 cartridge tapes or on external disk/tape units.
Despite the comparatively low processor clock frequency, the machines were quite advanced compared to other desktop computers of the time, in particular regarding software features relevant to technical and scientific use. The standard number representation was a floating point format with a 12-digit (decimal) mantissa and exponents up to 499. The interpreter supported a full set of scientific functions (trigonometric functions, logarithm etc.) at this accuracy. The language supported two-dimensional arrays, and a ROM extension made high-level functions such as matrix multiplication and inversion available.
For the larger HP-86 and HP-87 series, HP also offered a plug-in CP/M processor card with a separate Zilog Z-80 processor.
Models
Model
Year
Price
Remarks
HP-85A
1980
$3,250
16 K RAM, 32 K ROM; 5" CRT, 3216 text or 256192 graphics; tape drive, printer
HP-83
1981
$2,250
same as HP-85 without printer and tape drive
HP-86A
1982
$1,795
external composite monitor, no tape drive or printer;
two interfaces for 9130 floppy and one Centronics printer port built in; 64 K RAM
HP-87
1982
?
9" 8016 (256128) display, no printer, no tape, built-in HPIB; 32 K RAM
HP-85B
1983
$2,995
update to HP-85A; 64 K RAM (32 K program/variables, 32 K RAM disk;
I/O, EDISK, and Mass Storage ROM built in
HP-86B
1983
$1,595
update to HP-86; built-in HPIB instead of diskette and Centronics ports; 128 K RAM; EDISK ROM built-in
HP-87XM
1983
$2,995
update to HP-87; built-in HPIB; 128 K RAM
HP-9915A/B
1980
$1,675
industrial rack-mount version of HP-85A/B without screen or keyboard, I/O ROM and Program Development ROM built in
ROM extensions
Note: The HP-86/87 series used different ROMs (yellow labelling) from the 85/83 models (white labelling).
83/85
86/87
Function
Description
ID
00085-15003
00087-15003
I/O
Access GPIB, serial and parallel (GPIO) interfaces
192
00085-15001
built-in
MassStorage
Access "Amigo" compatible diskette/disk drives on GPIB. Built into 85B and all 86/87 models.
208
00085-15002
00087-15002
Printer / Plotter
Support for external printer/plotter (on 86/87 needed for plotter only)
240
00085-15005
00087-15005
AdvancedProgramming
Extended Basic commands
232,231
n/a
00087-15012
ElectronicDisk
Use part of RAM as a disk drive, built into 85B, 86B.
209
00085-15004
00087-15004
Matrix
Mathematical matrix operations including inversion (solving linear equation systems)
176
n/a
00087-15004
Matrix 2
Additional matrix operations
177
00085-15007
00087-15007
Assembler
Edit and assemble Series 80 assembler source
40
n/a
00087-15011
MIKSAM
Indexed file record management
14
00085-15013
00087-15013
EMS
Extended Mass Storage, access to SS-80 compatible mass storage
207
00085-60952
00087-60912
Service - System
Diagnostic routines for service/maintenance
224
?
00087-60913
Service - HPIB
Diagnostic routines for service/maintenance
225
98151A
n/a
Program Development
Support HP-9915 front panel, or to emulate it on an 83/85
8
Hardware extensions
82936A
ROM drawer for up to 6 of the above ROMs (max 1 per unit)
82903A
16 K Memory module, for HP-85A only (max 1 per unit)
82908A
64 K Memory module, for HP-85B or HP-86/87
82909A
128 K Memory module, for HP-85B or HP-86/87
82900A
CP/M System (for HP-86/87 only). Contains a Zilog Z80 microprocessor and 64 kilobytes dedicated RAM.
82928A
System monitor for assembly development (essentially the same interface adapter as the 82900A CP/M module, but with different software).
82929A
Programmable ROM drawer for standard EPROMs
Interfaces
The interface modules for the series 80 were built around a proprietary bus interface chip connecting a standard Intel 8049 microcontroller to the main bus. Interface functions such as handshaking were offloaded to the 8049 firmware.
82937A
HP-IB Interface (GPIB, IEEE-488, IEC625)
82938A
HP-IL Interface
82939A
RS-232 Serial Interface
82940A
GPIO Interface (general-purpose 4 8 bit parallel)
82941A
BCD Interface (parallel, 11 binary coded decimal digits + sign)
82949A
Printer Interface (Centronics parallel interface)
82950A
Modem (110/300 bit/s, Bell 103/113)
82966A
Data Link Interface (to connect to HP1000/3000 hosts)
82967A
Speech synthesis module, 1500-word vocabulary using a Texas Instruments TMS5220 synthesizer chip
External links
series80.org
http://www.hpmuseum.org/hp85.htm
http://hpmuseum.net/exhibit.php?class=1&cat=9
http://www.vintagecomputers.freeserve.co.uk/hp85/
HP-85 pictures from all sides
Repairing the HP-85 tape drive
Series 80 Listings and Files hosted at AKSO
HP Series 80 Configuration Guide hosted at www.computercollector.com
Notes
^ Hewlett-Packard Journal, July 1980, Volume 31, No.7, p. 3
^ A New World of Personal/Professional Computation. Todd R. Lynch, Hewlett-Packard Journal, July 1980, Volume 31, No.7, pp. 3
^ e.g. Apple II (1977), Tandy TRS-80 (1977), CBM 2001 (1977), Zenith Z89 (1980)
^ $3,250 in 1980 $8,550 in 2010 (see Inflation Conversion Factors for Dollars)
^ $2,250 in 1981 $5,900 in 2010 (ibid.)
^ $1,795 in 1982 $4,700 in 2010 (ibid.)
^ "Series 80 Personal Computer Price List, July 1, 1983". http://www.hpmuseum.net/document.php?catfile=410. Retrieved 2010-02-12.
^ "Series 80 Personal Computer Price List, July 1, 1983". http://www.hpmuseum.net/document.php?catfile=410. Retrieved 2010-02-12.
^ $2,995 in 1983 $7,900 in 2010 (ibid.)
^ "HP 9915A Pricing Information, December 1980". http://www.hpmuseum.net/document.php?hwfile=3354. Retrieved 2010-02-12.
^ D refers to the internal ROM identification, i.e. the base address, which needs to be unique in the system.
^ Adding I/O Capability to the HP-85. John H. Nairn, Tim I. Mikkelsen and David J. Sweetser. Hewlett-Packard Journal, July 1980, Volume 31, No.7, pp. 7
^ "HP Computer Museum: 82967A". http://www.hpmuseum.net/display_item.php?hw=186. Retrieved 2010-02-12.
Categories: Hewlett-Packard products | Personal computers
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