NEW PRODUCTS - NCR Computers of the 20th Century
Contents
1. INFORMATION FLOW The relation ships among office of the future activi ties and equipment are diagrammed and discussed in a 12 page brochure called A Better Way with Words which traces in formation flow from the gathering of source information through storage and retrieval Available from Burroughs Red actron Corporation 100 Parkway Drive South Hauppauge NY 11787 resolution and accuracy Differential line arity is LSB gain and offset are adjustable to zero for each channel settling time is 1 usec to 0 2 and 3 usec to 0 01 FSR In addition to 4 to 20 mA outputs pin strappable analog ranges of 10 V and 0 10 V are available with line amplified buffered outputs for driving long cables The analog output system is packaged on the same 6 75 x 12 card as the SBC 80 Height of the card is 0 375 for accommo dation in standard 0 5 spacing with the SBC 80 card cage Price of the 12 bit DT1842 is 995 for eight channels 695 for only four channels The 8 bit DT1843 is priced at 795 for eight channels and 495 for only four channels The 4 to 20 mA output is 30 per D A output All models are available from stock Reader Service Number 31 MICROPROCESSOR HARDWARE SOFTWARE SERVICES A product bro chure describing its line of hardware and software some custom designed per ipherals and consulting and educational services is available from Wintek Corpo ration 902 N 9th St Lafayette I2. tape punch or magnetic type cartridge unit can be at tached to the cover The answerback unit is contained within the PT 80 cover Because the PT 80 uses a USASCII code it can be used for installations with TWX communications supplementing or replacing 5 bit code Telex communications Speed of the printer is up to 90 cps The characters are presented in a 12 x 9 taitp www thecorememory com Above LSI 4 90 the top performer in Computer Automation s new Naked Mini 4 family shown with programmer s console floppy disk medium capacity disk and the company s new CRT terminal Below LSI 4 10 the smallest member offers 4K of RAM memory four input output channels and a custom MOS processor all packaged on a half size board Shown above a closeup of the printing head of the Siemens PT 80 The unit fea tures fast carriage return and line feed time for a maximum operating speed of 90 cps according to Siemens dot matrix and 80 characters per line can be printed on the 9 9 wide margin perforated fan fold paper Reader Service Number 22 New DECLAB 11 03 IB system for labora tory applications from Digital Equipment Corporation includes a PDP 11 03 micro computer dual floppy disk drive standard bus for connection of up to 15 laboratory instruments and either the VT55 graphic video display shown above or LA36 teleprinter terminal With RT 11 real time software Fortran IV and a scientific sub
3. 28B and Option 62B communications control lers 2000 each Reader Service Number 25 The Model GP 211 Graf Pen sonic digitizer introduced by Science Accessories Cor poration is an OEM package providing outputs in binary form and compensation for temperature fluctuation Stylus or cursor electronics package and two sen sors on a sensor L frame are provided OEM s must supply interfacing power supply and additional outputs as required generating 140 points per second and 100 points per inch or 10 points per milli meter Supplied with both digitizers are a stylus or cursor and an electronics package consisting of a logic board pulse gener ator and temperature compensation board The GP 211 has two sensors mounted in an aluminum L frame the NT 211 has two point sensors mounted on a standard 10 24 inch sensor bar An optional bench top case power supply and display may be furnished Single unit price for either unit is 1475 Reader Service Number 26 81 Tl s hexideci Fhe Core emory Project A new handheld calculator from Texas Instruments does arithmetic in three different number bases hexidecimal deci mal and octal and performs conversions to and from those bases Called the TI programmer its typical applications include converting memory addresses to decimal form adding relative Computalker offers new speech synthesizer board CT 3 SPEECH SYNTHESIZER Computalker Consultants has an
4. 8200 The PCS II can be expanded through the addition of a dual minidiskette or attachment of any of ten types of printers ranging in speed from 15 cps to 600 lpm plotting devices instrumentation inter faces or a larger 1920 character display screen A fully equipped PCS II including a high speed printer can be purchased for about 9100 Eight software packages include Easy form a new forms management system for typical office environments Lifeline a system for independent life insurance agents PBS a patient billing and third party insurance claims processing system for physicians and dentists Time Check an automated time and recordkeeping system for professional organizations Wang Cash an accounting client write up system MPS a management planning system that performs graphics modeling and forecasting Mortgage Management an in bank system and Auto Mate II for auto dealerships On a seven year write off basis software costs range from 74 per month for the smallest system to about 214 per month for the largest Wang spokesman claim In its basic configuration the new WCS 25 system includes a Series 2200 processor July 197 ttp www thecorememory com with 24K bytes of user memory two diskette storage devices a 120 CPS printer a model 2236 MXC microprocessor based controller and three Model 2236 inter active terminals A third 262K byte diskette and one additional interactive terminal can be added t
5. A850 851 is plug compatible with the company s SA800 801 standard drive and is media interchangeable with the IBM 3740 S 32 single sided floppy drives as well as the recently announced IBM Series 1 Model 4964 and 3600 series two fattp www thecorememory com sided drives which utilize double sided IBM diskette 2 media or its equivalent Ac cording to Shugart the SA850 851 drives read and write data on any industry standard diskette The drive offers access time of 3 msec track to track utilizing Shugart s pro prietary Fasflex actuator which features a flexible metal band for low friction head movement A new head carriage assembly allows loading of the two read write heads simultaneously on both sides of the diskette Price on the new drive will be about 25 more than the standard Shugart SA800 801 floppy drive or about 750 in single quantity Reader Service Number 14 Expanded NCR computer series offers choice of processing NCR Corporation recently introduced three new computer systems in the 8000 series By the end of the year NCR states the 8000 family of computers will include a dozen models providing a broad choice of processor types performance and processing modes The new N 8450 uses a multiple mode processor derived from NCR s Criterion type architecture and provides an upward migration path for current Century users The new V 8450 using the same basic multiple mode processor offers the
6. N 47904 MINIATURE DATA ACQUISITION MOD ULES Six page brochure from Datel Systems Inc describes its two new minia ture data acquisition modules a 16 chan nel single ended and an 8 channel dif ferential version Three basic system operation modes free running sequen tial addressing triggered sequential ad dressing and random addressing are discussed in the material available from the company at 1020 Turnpike St Can ton MA 02121 LIQUID CRYSTAL MATERIALS Atom ergic Chemetals Corporation has com piled a comprehensive list of data sheets describing Shiff bases esters nematic mixtures smectic cholesteryl and mis cellaneous chemicals exhibiting liquid crystal properties which is available by writing to the company at 100 Fair child Ave Plainview NY 11803 83
7. Service Number 18 sey sgtp www thecorememory com Intellec 888 system operates as a software development center for three microcomputer system families It includes a 1M byte diskette unit left interactive CRT console and Intellec MDS 800 microcomputer development system with 64K bytes of RAM memory A resident PL M compiler and other system software support programming of 8080 and 8085 based microcomputer systems and an optional macro assembler supports the new 8048 8748 and 8035 single chip microcomputer systems Intel introduces three family microcomputer development system The Intellec 888 system an enhanced version of the MDS 800 is the most powerful microcomputer development center announced to date by Intel Corpo ration s Microcomputer Systems Division It has two to four times the on line storage capacity of previous systems sup ports fully modular programming in both assembly language and PL M and covers the software development requirements of three Intel originated microcomputer families and the firm s OEM computer family The basic system contains all software and hardware resources required to develop software in assembly language or PL M 80 high level compiler language for the new 8085 microcomputer system the 8080 system and the SBC 80 family of OEM computer systems According to Intel it can also be used to develop software in assembly language for the new 8048 8748 and 8035 single chip microc
8. The Core Memory Project edited by Dr Demetrios A Michalopoulos Associate Professor of Computer Sciences California State University at Fullerton NEW PRODUCTS The ALT 2480 top right is an S 100 bus compatible member of Matrox Electronic System s video RAM family of TV CRT controllers On the input side the ALT 2480 looks like a 4096 x 8 static RAM with an access time of 500 usec The output is a video signal providing a display of 24 lines by 80 upper and lower case characters A jumper option on the card allows operation with two pages of 40 characters per line The 40 character per line option allows use of a low bandwidth monitor Any character may be displayed as normal reverse video or blinking Other options include American 60 Hz or European 50 Hz standard field rates The ALT 2480 is priced at 295 FOB Montreal delivery is 2 4 weeks Reader Service Number 13 Shugart announces double sided floppy disk drive Shugart s new SA850 851 double sided floppy stores up to four times the data of a standard floppy drive or 1600K bytes unformatted and 1200K bytes formatted The SA850 851 is available with single density FM encoding and double density M FM capability as standard features The new unit is the same size as Shugart s standard SA800 floppy 4 62 high x 9 50 wide by 14 25 deep a 8 55 wide version SA850 851R is available to allow side by side mounting in a 19 RETMA rack The S
9. and is compatible with exist ing PDP 11 software Delta 111 functions allow bi directional searching and rewind Control and status registers are the same as those of the PC 11 with the addition of ready status tape rewinding beginning of tape end of tape and on line Data transfer rates are as high as 2600 bytes per second with maximum storage capacity of over 300 000 bytes per cas sette Interface is accomplished via a unibus extender connector at the back of the unit Stand alone drivers and diag nostic software are included to allow the unit to be used as an operational periph eral Price per single unit is 3650 Reader Service Number 29 PULSE DISTORTION AND EFFECTIVE SHIELDING IN NOISY ENVIRON MENT The U S Department of Com merce has released a 67 page report deal ing with these two basic problems found in the use of coaxial and other metallic cables in digital systems Titled Conven tional and Optical Transmission Lines for Digital Systems in a Noisy Environment it is available for 4 50 from the National Technical Information Service Spring field VA 22191 accession number PB 265 799 AS ANALYSES RELIABILITY OF CABLE AND SATELLITE SYSTEMS Also avail able from the U S Department of Com merce is a 32 page report providing de tailed information about the reliability of the services and facilities associated with submarine cable and communication satellite systems OT Contractor Report 77 5 is availab
10. e describing seven CRT displays and describing selection considerations for display monitors is available from Tektronix Inc P O Box 500 Beaverton OR 97077 CHIP MEMORIES A 6 page benchmark study of static vs dynamic chip memory implemented to test the effect of the refresh cycle on the cpu performance of an IBM 370 158 is available from Elec tronic Memories amp Magnetics Corpora tion Computer Products Division 3216 W El Segundo Blvd Hawthorne CA 90250 LINE SCAN RECORDER Raytheon Com pany offers literature on its LSR 1811 line scan recorder for echo sounding marine or land seismic profiling and other dry paper display requirements Write to the company s Ocean Systems Center Sub marine Signal Division P O Box 360 Portsmouth RI 02871 http www thecorememory com July 1977 8 channel analog output system board plugs into Intel SBC 80 An eight channel D A converter system designed to be compatible with the Intel SBC 80 microcomputer series has been announced by Data Translation Inc Two single board models are available in the analog output series a 12 bit model the DT1842 and an 8 bit model the DT1843 The Intel microcomputer together with the analog output system board form a com plete eight channel analog output system for computerized control and readout applica tions in industrial and laboratory processes according to the company The system has eight completely inde penden
11. e minicom puter and offers significant price per formance improvements over the prede cessor LSI 2 and LSI 3 series according to the company The LSI 4 90 top performing member of the new family offers twice the speed of the 4 30 With 64K words of 550 nsec RAM memory chassis operator s console and power supply a typical configuration will sell for 9950 According to the company the family s newly designed architecture features addi tional registers more powerful instruc tions and faster execution times than its predecessor line Existing software has been completely rewritten to take advan tage of increased hardware capability Computer Automation is also expand ing its line of peripheral products headed by a CRT terminal now available for a unit price of 1900 discountable to 1330 in quantities of 100 A software and docu mentation package containing diagnostics and a user s manual is available for 50 Reader Service Number 21 Needle printer can serve as terminal or TWX Siemens new PT 80 printer terminal is a small medium speed needle printer which can also serve as an input output terminal It consists of a keyboard printing mechanism power electronics interface adapter power supply control panel and central device controller All of the modules are housed in a desk model that is 8 2 high 20 8 wide and 21 6 deep about as big as an office electric type writer A tape reader
12. eated arithmetic and logical opera tions Memory features include store recall and sum Other features include an eight digit LED display rechargeable battery vinyl carrying case and AC adapter charger The calculator is being test marketed initially on a direct mail basis from Texas Instruments It sells for 49 95 Reader Service Number 28 New Literature POWER SUPPLIES Elasco offers a 12 page Power Supply Catalog describing both its off the shelf items ranging from 3 6 to 300 volts and from 5 to 150 watts and its customizing capability Available from parent company Sigma Instruments Inc 170 Pearl St Braintree MA 02184 RIGID AND FLEXIBLE CIRCUIT BOARDS A 4 page brochure describing the company s capability in the manu facture of die stamped and etched rigid and flexible circuit boards is available from GTI Corporation Dytronics Division P O Box 217 Leesburg IN 46538 WIRE AND CABLE CATALOG Dekoron offers a comprehensive loose leaf catalog on its wire and cable for the power in dustry emphasizing its instrument wire for nuclear and fossil fuel power gen erating plants Write to Dekoron Divi sion Samuel Moore and Company Aurora OH 44202 Cassette system for PDP 11 introduced by Datum Datum Inc has announced the Delta 111 cassette I O system for users of DEC PDP 11 computers According to Datum the unit performs the functions of the DEC PC 11 high speed paper tape punch and reader
13. ector switch Power requirements are 8 V unregulated or 5 V reg at 170 mA typical 250 mA maximum and 16 V unregulated or 12 V reg at 85 mA typical The CT 1 speech synthesizer is priced at 395 in unit quantity the CSR1 syn thesis by rule software is 35 Delivery is from stock to 45 days ARO Reader Service Number 27 ao http www thecorememory com al calculator converts to decimal octal addresses to a base address to find specific computer memory locations and deter mining if there is enough space in the computer s memory to hold a new block of data The arithmetic and logical func tions of the calculator can also emulate internal computer operations TI states The calculator s parentheses keys help evaluate complex expressions without requiring the user to store or write down intermediate results According to TI up to four operations can be pending at any one time and these can be a mixture of arithmetic or logical operations in any combination of the three number bases The TI programmer represents negative numbers with a two s complement code in both the hexadecimal and octal bases A one s complement key on the calculator also facilitates working with computers which use that type of arithmetic The calculator can perform bit by bit logical operations on numbers in hexadeci mal or octal Included are AND OR Exclusive OR and SHIFT operations A constant mode can be used for all kinds of rep
14. erformance range of its current Series 2200 small business computer line the company also announced two larger computers the WCS 25 and the WCS 40 and new interactive terminals printers IBM compatible diskettes multiplexers and communications controllers The PCS II makes use of minidiskette storage devices initially conceived by Wang and developed by an independent disk manufacturer Shugart Associates The minidiskettes are roughly one fourth the physical size of floppy disk drives and are orders of magnitude faster for data access than the serial access cassette or cartridge tapes used on earlier desktop systems Wang states A self contained unit the PCS II includes a large 1024 character CRT screen a typewriter like keyboard with separate numeric keypad and 82 special function keys for data entry and control a high speed processor with two memories 8K bytes of user available memory expand able to 32K bytes and 42 5K bytes reserved for the 2200 operating system and Basic language interpreter and either one or two minidiskettes each of which store 89 6K bytes of information The basic unit sells for 6200 According to Wang with the addition of the new Option 62B binarysynchronous and asynchronous communications con troller the PCS II converts into a powerful intelligent terminal with total business computing capability supported by data base data entry and utility software products This version is priced at
15. ion features such as auto matic power shutoff after 30 seconds without a key entry and data is pro tected by a dual battery system For use with nickel cadmium batteries battery recharger kit is available as an option Data is entered on the MSI 77 s standard 10 key touchpad and is stored in the unit s memory Data is transmitted via a press on acoustic coupler that fits over the mouth piece of any telephone handset The entire contents of the MSI 77 an be transmitted in one to three minutes depending on the version used The MSI 77 will be produced in a 4K version priced at 990 and an 8K version at 1190 with volume pricing available Deliveries will begin on October 1 and January 1 respectively Reader Service Number 20 79 EATE minico nced Computer Automation s new line of Naked Mini 4 computers includes three processors with compatible hardware and interchangeable software At the low end of the new family is the LSI 4 10 a 16 bit minicomputer that incorporates two custom N channel MOS chips 4K words of RAM memory and four input output channels on a half size cir cuit card On board battery backup is an available option The LSI 4 10 single unit price is 645 a packaged version including chassis operator s console and power supply sells for 995 The LSI 4 30 is typically priced at 3495 for 16K words of memory chassis power supply and console It represents the new mid range performanc
16. le from the Superintendent of Documents U S Government Printing Office Washington D C 20402 for 1 40 stock number 003 000 00510 1 STRAIN GAGES A 20 page product bro chure 100 1 for the user of strain gages in stress analysis is available from BLH Electronics 42 Fourth Ave Waltham MA 02154 COMPUTER Silent 700 receive only data terminal announced by TI Texas Instrument s new receive only data terminal designed to interface with most mini microcomputer systems incor porates the same printing mechanism as the earlier Model 745 portable terminal in the company s Silent 700 series It uses only two mechanical movements in gaining simple quiet and reliable opera tion TI states The new Model 743 RO terminal features microprocessor controlled buffered 300 baud thermal printing to gain true 30 cps throughput EIA RS232C and TTY cur rent loop interfaces and paper advance and keyboard switches for 110 and 300 baud transmissions The price for the 743 is 1195 U S domestic quantity one with OEM and end user discounts available Delivery is 30 days ARO Reader Service Number 30 MICA DIELECTRIC CAPACITORS Cornell Dubilier Electric offers a 3 page description sheet on its miniature capaci tors designed for voltages of 500 300 and 100 VDC and ideal for mini space applica tions Available from the company at 150 Avenue L Newark NJ 07101 SELECTING CRT DISPLAYS A product brochur
17. medium sized computer user the advantages of operating in a virtual storage mode according to NCR The new V 8560 the most powerful of the new computers employs Criterion architecture and NCR s virtual resources executive VRX operating system It fits midway between the company s first two Criterion models the V 8550 and V 8570 which were introduced last year The V 8560 features an 84 nsec processor emitter coupled logic 384K to 1 5M bytes of main memory and up to five I O trunks The monthly rental for a V 8560 processor with 384K of memory is 6330 Its purchase price is 237 050 The N 8560 system with 192K of memory for non VRX applications rents for 5030 monthly and has a purchase price of 195 200 Both systems will be available for customer delivery in the fourth quarter of this year The V 8450 includes a 112 nsec processor and from 384K to 1M byte of memory Monthly rentals begin at 4075 and pur chase prices start at 142 250 for a pro cessor with a 384K memory Customer deliveries will begin in the third quarter of 1978 Monthly rentals for the N 8450 begin at 2475 and purchase prices start at 90 900 for a processor with a 128K main memory Memory is expandable to 1M byte and processor cycle time is 112 nsec Customer deliveries will begin in the fourth quarter of this year Reader Service Number 15 COMPUTER whee att eg ast Bec ee Re Hexadaisy calculates the offset for relative addres
18. nounced the CT 1 speech synthesizer a microcom puter plug in board which optimizes the trade off between low data rate speech and directly digitized speech According to Computalker low data rate speech relies on canned definitions for the sound of each phoneme which produces mechanical sounding speech Digitized speech while remaining faithful to the original sound requires 10K to 20K bytes per second of storage and is inflexible to phonetic manipulation With the Computalker Model CT 1 the sounds are defined in real time under software control Parameters which repre sent the phonetic structure of human speech are transmitted to the CT 1 at a rate of 500 to 900 bytes per second depend ing on the data compression techniques used This allows the production of highly intelligible and quite natural sounding speech output the company states Speak er characteristics and language or dialect variations are retained in the output The CT 1 can also be operated in a low data rate mode using phoneme definitions contained in the CSR1 synthesis by rule software package Using the speech syn thesis system in this way the software driver can be modified to keep output up to date with advances in rule governed speech The factory assembled and tested board 5 1 4 x 10 occupies a single slot on the S 100 bus It requires a block of 16 output locations one byte 8 bits each relocatable to any hex boundary via an on board sel
19. nsor as sembly can be moved from tablet to CRT projection screen map table or blackboard without recalibration or re alignment The NT 211 like other models in the recently introduced series employs two solid state point sensors or ears mounted at the ends of a single bar to allow the digitization of any flat surface up to 36 x 48 without tablet restrictions Outputs of both models are in binary form and the systems incorporate com pensation to correct for the minor differences in the speed of sound which occur with air temperature variations The GP series of Graf Pen sonic digitizers operates with Cartesian coordinates the NT series op erates with triangular coordinates which can easily be converted into conventional orthogonal X Y coordinates A super sonic impulse is transmitted from the point to be located and is received at the two sensors The length of time required for the sonic pulse to travel to the sensors is a measure of the distance of the point from the sensors Both the GP 211 and NT 211 have the ability of Wang Laboratories new PCS II uses minidiskette random access devices built into a desktop computer Two minidiskettes store up to 180 000 bytes of information 2400 Model 2236 MXC controller 1500 Model 2261W 230 lpm printer 7000 Model 2263 400 1pm and 600 1pm printers 14 500 and 16 000 respectively Model 2271 15 cps printer 2600 Model 2281 40 cps printer 3600 and Model 22
20. o that system Other expansion options include IBM 3740 diskette com patibility the use of additional printers telecommunications controllers and other peripherals and software packages available for use with Wang s earlier single diskette based WCS 20 A programmerless language provided as a standard part of the WCS 25 enables users to electronically generate store recall sort update and print the majority of forms which are now being manually processed in typical office environments Wang states Prices for WCS 25 systems range from 26 750 to 40 000 Deliveries are 90 days ARO beginning this June The WCS 40 represents the high end of Wang Laboratories WCS product line and an extension of the forms processing market served by the WCS 25 A multi terminal multiprogramming WCS 40 sys tem with 32K of memory three inter active terminals a 230 lpm printer a single 262K byte diskette and a 10M byte disk drive is priced at 48 950 System prices range upward to 80 000 Typical prices for Wang s new peripherals are Model 2236 interactive terminal Sonic digitizer package features binary output and temperature compensation Two new Graf Pen sonic digitizer pack ages for original equipment manufacturers Model GP 211 and Model NT 211 have been announced by Science Accessories Corporation The GP 211 employs two sensors mounted on an aluminum L frame which can vary in length up to 60 inches The se
21. omputer systems This requires only the addition of an optional macro assembler to the resident system software The 888 package includes a 1M byte diskette system expandable to 2M with the addition of a second drive unit a complete Intellec MDS 800 system with full RAM memory storage of 64K bytes an interactive CRT display console resi dent PL M compiler and a diskette opera ting system that includes a macro assem bler and all other software development packages for the above families An op tional macro assembler for the MCS 48 family based on the three single chip microcomputer systems is also available Since the new system is based on the standard Intellec MDS 800 system it is completely compatible with Intellec ICE in circuit emulation modules and periph erals These optional units allow the system to be used for microcomputer system prototyping software hardware integration and debugging field testing production testing and system documenta tion as well as for software development Intel states Reader Service Number 19 MSI announces portable data entry terminal The MSI 77 a handheld data entry terminal which can be programmed uses disposable batteries and continuously retains its memory has been introduced by MSI Data Corporation Power is provided by four standard AA penlight type batteries which provide up to 64 hours of key entry operation Battery usage is maximized by built in power conservat
22. routine package for data analysis systems are priced at 14 000 with the LA36 and 15 000 with the VT55 terminal Deliveries are scheduled for August Reader Service Number 23 National develops add in memory products for HP s 21 MX computers National Semiconductor has developed a series of add in double density memory storage cards for use with the Hewlett Packard 21MX and 21MXE family of computers The NS 21 memory boards have a capacity of 16 000 words of 17 bits each and are compatible with the HP system models 2105 2108 2112 and 2113 They are used with a control card manufactured by National or with the HP21 MX series control card One control card can communicate with up to twelve 16K NS21 storage cards for a total storage capability of 192K words The 16K version of the NS21 replaces two single density 8K cards The NS 21 is also available in a depopu lated 8K version A single 8K card may be used with a 16K card system or a maximum of sixteen 8K cards may be controlled to gether by one card yielding up to 128K words of memory The 16K by 17 bit version of the NS21 memory storage card sells for 995 Both versions are available for immediate delivery Reader Service Number 24 COMPUTER COTS UROE EE are RERESL processing to small user Wang Laboratories has introduced a deskette computer the PCS II that brings direct access computing to small users In a move that Wang said doubled the p
23. sing as used by the 6800 Z80 6502 SC MP and F8 microprocessors adds and subtracts hexadecimal numbers calculates two s complements and con verts decimal to hexadecimal numbers and back All results within the range of 0 to 255 decimal can be read directly while larger numbers are calculated two hexadecimal digits at a time Made from plastic in the form of a circular slide rule it is available for 3 95 ppd from E amp L Pfeiffer Computer Products Reader Service Number 16 Vector Graphic s 8080 based Vector 1 microcomputer is available in kit or assem bled form Features include a custom cabi net 18 slot motherboard S 100 bus with six connectors power supply card supports and guides for six cards PROM RAM board with 1K of RAM and room for 2K of ROM and a 512 byte monitor for use with Tarbell cassette and Altair IMSAI or Polymorphic I O boards The Vector 1 re quires I O board and terminal or video board keyboard and monitor Kit price is 619 assembled price 849 Reader Service Number 17 Vector Graphic s PROM RAM board has 1K of RAM for stack storage and room for 2K of 1702A type PROMs to store programs A jump on reset feature means that a PROM program can be executed at any location in memory without inter fering with any other portion of memory The board is solder masked on both sides has its own regulators and is S 100 bus compatible The kit without 1702A PROMs is 89 Reader
24. t D A converter channels all powered directly off the SBC 80 series 5V computer power through a regulated low noise converter Each D A converter is fully double buffered to avoid intermediate outputs in the two word microcomputer transfer A special feature the option of 4 to 20 mA current loop outputs for all channels eliminates the need for separate 4 to 20 mA current loop drivers The DT1842 and DT1843 are mechan ically electrically and software com patible with the entire Intel SBC 80 series Application software can be developed in the MDS 800 system and subsequently run with the SBC80 microcomputer for OEM applications The DT1842 offers full 12 bit resolution and accuracy while the DT1843 gives 8 bit SEMICONDUCTOR HANDBOOK For a limited time Radio Shack is offering free copies of their 128 page Archer Semi conductor Reference Handbook which lists over 36 000 replacement transistors diodes and other interchangeable devices Write to the company on your organization stationery Depart SRH 2617 W Seventh St Fort Worth TX 76107 ALPHANUMERIC DISPLAY TERMI NALS A 54 page report All About Alpha numeric Display Terminals provides de tailed specifications on 220 terminals offers practical guidelines for selecting a terminal and presents the results of a user survey covering more than 18 000 installed terminals Available for 12 from Datapro Research Corporation 1805 Underwood Blvd Delran NJ 08075
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