The middle tier of the 264 series consisted initially of the Commodore 264 when first announced. Only the Commodore Plus/4 made it to market, however. The Plus/4 is essentially the same as the Commodore 264, except that it also has the infamous 3+1 software package.

The Commodore Plus/4 was to be Commodore's new upgrade for the infamous Commodore 64. As mentioned previously though, for many reasons, it is hardly an upgrade at all. The cool part about the Plus/4, however, is the internal software package. Despite being an awful package (even for the time), it is still easy to get to, and fully integrated. The package includes a Word Processor capable of only 100 lines or so of 80 column text. The on-screen editing functionality is very buggy, however. Also included is a Spreadsheet program, that is fairly easy to use (if you have all the command codes on a reference sheet nearby). The last program is a database program. This functionality is ok for small concerns, but extremely limited otherwise, and somewhat slow.

Statistics, features, and Plus/4 resources:

CPU: MOS Technology 7501

• Variable clock rate, with max 1.76mhz

RAM: 64 kilobytes

• Expandable to 64k internally

ROM: 64 kilobytes

• C264 Series Kernal & BASIC v3.5
  • 50 more commands than BASIC 2.0
  • Download BASIC 3.5 ROM image
  • Download Kernal ROM image
• Built in TMI-Micro 3+1 Software package
  • Word Processing
  • Spreadsheet
  • Database software
  • Graphing package
  • Download low-function ROM image
  • Download high-function ROM image

Video: MOS Technology 7360 "TED"

• 5 Video modes
• Max. Resolution 320 X 200
• 40 columns text
• Pallette of 16 colors in 8 shades, for 128 colors.

Sound: MOS Technology 7360 "TED"

• 2 voice tone-generating sound capabilities

Ports: MOS 7360

• 2 Joystick/Mouse ports
• Round DIN CBM Serial port
• Female edge-connector 'TED' port
• Male edge-connector CBM 'User' port
• RF "TV" Port and switch
• Round DIN CBM Monitor port
• Power and reset switches
• DIN Power connector

Keyboard: Full-sized 67 key QWERTY

• 8 programmable function keys
• 4 direction cursor-pad

Resources:

• 264 Series Memory/IO Maps
• View PLA info

Personal Note: he Plus/4 came from the local Good Will ComputerWorks. I still keep my Plus/4 plugged in and set up, as I use it for writing quick little letters, and doing my home budgeting.

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