Ira Goldklang's TRS-80 Revived Site
TRS-80 Pocket Computer


PC-1
[PC-1] [PC-1]
Information
  PC-1
          
Catalogue Number26-3501
YearJuly, 1980
Price????????
CPUSC43177 and SC43178 (4-Bit Each)
One for arithmetic operation, one for BASIC interpreter and key-in
ROM11K bytes total (7K for BASIC interpreter. 4K for monitor)
RAM1.9K bytes total with automatic BASIC abbreviation for maximum memory conservation.
Video Size24 Characters
LCD 24-character 7x5 dot matrix plus 8 symbols (SHIFT. DEG. RAD. GRAD. DEF. RUN. PRO. RESERVE)
Automatic scrolling plus manual playback of line longer than 24 characters.
Graphicsx x xxx
KeyboardKeyboard 57 keys alphanumeric
Subroutines and FOR-NEXT Stacks4 levels each. up to 15 levels of parentheses
PowerFour type 675 mercury batteries.
Nominal battery life 300 hours.
What was it really?Sharp PC-1211
  Plotter/Printer
          
Printer: 5x7 Dot-Matrix Impact Printing
Printing Capacity: 16 Columns Per Line with Automatic Wraparound
Print (and Paper Advance) Speed: Approximately One Line Per Second
Paper: Radio Shack Catalog No. 26-3506. 125/32" Wide. 31/32" Diameter (Maximum)
Power Source Built-In Recharge-able NI-Cad Battery. Battery Capacity: Approx. 8,000 Printed Lines
Charging Time Approx. 15 Hours
Power Consumption: 4.8V, 1.84W (DC) Charger/Adapter Included
Weight: 0.90 Pounds
Accessories: 3 Rolls of Paper. Ribbon Cartridge. Cassette Connection Cable
Manuals
Wade Fincher has the following manuals available on his site:
  • Pocket Computer PC-1 Operations Manual
  • Pocket Computer PC-1 Printer Manual
  • Pocket Computer PC-1 Service Manual
    		•
    Links
  • Michael Briley's Calculator Page
    		•


    PC-2
    [PC-2]
    Information
      PC-2
              
    Catalogue Number26-3601
    Year1982
    Price$280
    CPULH5801 (8 Bit Processor) @ 1.3Mhz
    ROM16K bytes of system ROM
    RAM1850 bytes BASIC program and data RAM
    600 bytes of fixed data memory
    190 bytes reserve memory.
    Keyboard65 Keys including 6 programmable function keys for each of 3 Reserve modes
    18 "softkeys"
    10 pre-programmed command keys.
    Video Size26-character alphanumeric Liquid Crystal Display (LCD)
    Automatic scrolling
    Manual playback of lines longer than 26 characters.
    Graphics7x5 dot matrix ASCII upper and lower case character set.
    Graphics fully-addressable 7x156 dot matrix LCD graphics permits generation of special characters.
    ExpansionSingle plug-in slot accepts up to 16K of RAM or ROM or ROM/RAM combination
    String Handling>LEFT$. MID$. RIGHT$. LEN. VAL. CHR$ and STR$
    Strings dimensionable to 80 characters in 2-dimension arrays.
    ClockReal-time, quartz-controlled.
    I/OAll address and data lines. power, timing. and control signals accessible via 60-pin connector
    Power Requirements4 "AA" batteries or AC adaptery.
    Battery Life: Approx. 75 hours with "AA" Alkaline batteries.
    What was it really?Sharp PC-1500
      Plotter/Printer
              
    Alphanumeric PrintingUpper and lower case characters in four colors.
    Height and width of characters depend upon the number of characters per line.
    Nine different column widths (from 4 to 36 characters per line) with automatic wraparound.
    Print SpeedAverage 11 characters per second.
    Graphics/Plotter Printing256x4096 color graphics. Controlled by BASIC statements and exploiting full 3-dimension axes.
    ColorsBlack, Red, Green, and Blue.
    Paper2'/4" wide.
    Power SourceBuilt-in rechargeable nickel cadmium battery also will power computer.
    AC Adapter/Charger, included, also powers computer.
    Battery CapacityApprox. 1100 printed lines. Charging time approx. 15 hours.
    PhysicalWeighs 28 oz. with batteries and measures 2 1/16 x 12 15/16 x 4 1/2
    Manuals
    Wade Fincher has the following manuals available on his site:
  • Pocket Computer PC-2 Operations Manual
  • Pocket Computer PC-2 Printer/Plotter/Cassette Interface Manual
  • Pocket Computer PC-2 Service Manual
    		•
    Software
  • PC-2 Software Library for PC-2 (BIN) - Radio Shack (19xx)
    		•
    Links
  • Emmanuel Beaurepaire's PC-2 page
    		•


    PC-3
    [PC-3]
    Information
              
    Year1983
    CPUSC 61860
    ROM24K
    RAM4K
    Video Size24 Characters
    Graphicsx x xxx
    What was it really?Sharp PC-1251
    Links
  • Obsolete Technology PC-3 page
    		•
  • Vintage Computer Resource: PC-3 page
    		•


    PC-4
    [PC-4]
    Information
              
    Catalogue Number26-3650
    Year1983
    Price$70
    CPUCMOS
    ROM10K
    RAM1.9K (544 Steps)
    Video Size12 Characters
    GraphicsNONE
    What was it really?Casio PB-100
    Manuals
    Wade Fincher has the following manuals available on his site:
  • Pocket Computer PC-4 Service Manual


    • PC-5
    [PC-5]
    Information
              
    Year????????
    Price????????
    CPUZ80
    ROMK
    RAMK
    Video Size Characters
    GraphicsNONE
    What was it really?Casio FX-780P


    PC-6
    [PC-6]
    Information
              
    Year
    Price????????
    CPUHD61747B20 and HD61747B25
    ROMK
    RAM8-16K
    Video Size24 Characters
    GraphicsNONE
    What was it really?Casio FX-795P
    Manuals
    Wade Fincher has the following manuals available on his site:
  • Pocket Computer PC-6 Service Manual


    • PC-7
    [PC-7]
    Information
              
    Catalogue Number26-3673
    Year????????
    Price????????
    CPU????????
    ROM????????
    RAM2 K
    Video Size12 Characters
    GraphicsNONE
    What was it really?Casio FX-5200P


    PC-8
    [PC-8]
    Information
              
    Catalogue Number26-3655
    Year1982
    Price????????
    CPUSC61720D03 (4 Bit)
    ROM16K
    RAM1.2K
    Video Size16 Characters
    Graphics????????
    What was it really?Sharp PC-1246