Commodore never forgot that they were Commodore Business Machines. Although best known for their
home computers, business products were almost constantly available. In the computer market,
Commodore began with their CBM 8000 line machines. Afterwards, Commodore
developed the CBM-II line. However, it was during development of this
line that the IBM PC began to clean out the confusing business PC landscape. Although Commodore
considered adapting their CBM-II line to run MS-DOS applications, they eventually decided to
enter the clone market, which ended their run of proprietary business computers.
The first machines Commodore produced in this line were 8088-based, and usually came with the maximum 640K of addressible memory. Most of these machines come standard with at least one 5.25" floppy disk drive, 25 pin serial COM-port, 25 pin parallel Centronics port, a Commodore "bus" mouse port, and both RGBI and composite video output ports. The most famous machine in this line is the Commodore Colt, found near the bottom.
 Model : PC5 Processor: Intel 8088 Memory : 512k Storage : Single 5.25" Floppy Disk Video : MDI Monochrome video Notes : | |
Model : PC10 Processor: Intel 8088 Memory : 640K Storage : Dual 5.25" Floppy Disk Video : Composite and color RGBI Notes : |
 Model : PC10-II Processor: Intel 8088 Memory : 640K Storage : Dual Floppy Disks Video : Color RGBI Notes : |
 Model : PC10-III Processor: Intel 8088 Memory : 640K Storage : Dual 5.25" drives, 10mb hd Video : Composite and color RGBI Notes : Tech Info -- Mine upgraded to 4 parallel ports |
 Model : PC10 SD Processor: Intel 8088 Memory : 640K Storage : Dual 5.25" drives, 30mb MFM hd Video : Composite and color RGBI, VGA card Notes : Tech Info |
 Model : PC20-II Processor: Intel 8088 Memory : 640K Storage : Single 5.25" drive, 20mb hd Video : Color RGBI in video card Notes : |
 Model : PC20-III Processor: Intel 8088 Memory : 640K Storage : Single 5.25" drives, 20mb hd Video : Composite and color RGBI Notes : Tech Info |
 Model : HD40 Special Edition Processor: Intel 8088 Memory : 640K Storage : 5.25" & 720k 3.5" drives, 40mb hd Video : Composite and color RGBI Notes : Tech Info |
 Model : Colt Processor: Intel 8088 Memory : 640K Storage : Dual 5.25" Floppy Disk Video : Composite and color RGBI Notes : Tech Info |
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