Apple IIe Platinum


At A Glance

Apple IIe Platinum

Launched in January 1987, the Platinum IIe got it’s name for the color of its case which was light grey. Functionally the inside of the Platinum IIe was identical to the Enhanced IIe. The Platinum IIe was the last model in the Apple II family and was discontinued in November, 1993. Download the original Apple IIe manual from the Apple website here.

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Original Specifications


  • Central Processing Unit (CPU):
    • Microprocessor: 65C02
    • Clock speed: 1.02 megahertz (up to 500,000 operations per second)
    • Address bus: 16 bits
    • Address range: 65,536 (64K)
    • Data bus: 8 bits
    • Registers: accumulator, two index registers, stack pointer, processor status register, and program counter
  • Memory:
    • 128K RAM (random-access memory), optionally expandable to 1.12 megabytes with a fully configured Apple II Memory Expansion Card
    • 16K ROM (read-only memory), containing the Applesoft BASIC interpreter, system monitor, 80-column display firmware and diagnostics routines
  • Expansion slots:
    • Seven multipurpose expansion slots, fully buffered with interrupt and DMA priority structure
    • One video/auxiliary slot, occupied by an 80-column text display/64K RAM card
  • Text display modes:
    • 80 columns, 24 lines, 5-by-7 dot matrix
    • 40 columns, 24 lines, 5-by-7 dot matrix
    • All text can appear on the screen as normal, inverse, flashing, or Mousetext characters
  • Graphics display modes:
    • Low-resolution color: 16 colors, 40 horizontal by 48 vertical blocks
    • High-resolution color: 6 colors, 280 horizontal by 192 vertical dots
    • Double-high-resolution color: 16 colors, 560 horizontal by 192 vertical dots
  • Keyboard:
    • Full size, typewriter-style with contoured keys
    • 81 keys, including 18-key numeric keypad, programmable function keys, and cursor-controlled keys
    • Generates all 128 ASCII characters, including 96 upper-case and lowercase alpha-numeric characters and 32 control characters
  • Interfaces:
    • Video output: Monochrome & NTSC-compatible color
    • Game I/O signals: 3 switch inputs, 4 analog (hand control) inputs
    • 4 annunciator outputs
    • 1 strobe output
    • Ground and +5 volts output
    • Cassette input and output


  • Sound:
    • Audio generator with built-in speaker
  • Compatible operating systems:
    • ProDOS 8
    • DOS 3.3
    • Pascal
    • CP/M (with coprocessor card)
  • Electrical requirements:
    • Line voltage: 95 to 127 volts AC; 60 hertz
    • Maximum power consumption: 60 watts
    • Supply voltages:
      • +5 volts (+/- 3%)
      • +11.8 volts (+/- 6%)
      • -5.2 volts (+/- 10%)
      • -12 volts (+/- 10%)
    • Maximum supply currents:
      • +5 volts 2.5 amps
      • +12 volts 1.5 amps
      • -5 volts 250 milliamps
      • -12 volts 250 milliamps
  • Environmental requirements:
    • Operating temperature: 50° to 104° F (10° to 40° C)
    • Storage temperature: -40° to 122° F (-40° to 50° C)
    • Relative humidity: 5% to 85%
  • Safety and EMI qualifications:
    • FCC Part 15 Subpart J Class B Computing Devices
    • CSA 22.2 No. 154-1983
    • Ul 114 – Office Appliances and Business Equipment
  • Size and weight:
    • Height: 4.5 in. (11.43 cm)
    • Width: 15.13 in. (38.43 cm)
    • Depth: 18 in. (45.72 cm)
    • Weight: 12 lb. (5.45kg)



Problem with these specifications? Let us know.

Apple 2 History

The Apple 2 History website is a great resource for all things Apple II, including deep background on the Platinum IIe.

Matts Macintosh

Matt has a great overview of the Apple II line including the IIe over on YouTube.
Got some suggestions / related sites we haven’t come across? Tell us about them.
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