Commodore IBM PC compatible systems

The Commodore PC compatible systems are a range of IBM PC compatible personal computers introduced in 1984 by home computer manufacturer Commodore Business Machines.

This article is about 1980s IBM PC compatible systems manufactured by Commodore Business Machines. For the 2010s series of x86 computers, see Commodore USA.

Incompatible with Commodore 64 and Amiga architectures, they were generally regarded as good, serviceable workhorse PCs with nothing spectacular about them, but the well-established Commodore name was seen as a competitive asset.[1]

History

In 1984, Commodore signed a deal with Intel to second source manufacture the Intel 8088 CPU used in the IBM PC, along with a license to manufacture a computer based on the Dynalogic Hyperion.[2] It is unknown whether any of these systems were produced or sold.

In 1984, the first model released, the PC-10, sold for $559 without monitor ($1440 in 2022).[3] They were sold alongside Commodore's Amiga and Commodore 64c/128 lines of home and graphics computers. The PC10 was comparable in the market to the Blue Chip PC, Leading Edge Model D and Tandy 1000 line of PC compatibles.[4][5]

Models

The line consists of the following models: Series 1

First generation – Series I

Commodore PC 5:

  • Introduced in 1984, at $1395, the Commodore PC 5 is the low-budget option with a monochrome video card. It has a Intel 8088 running at 4.77 MHz and 256k RAM on-board (expandable to 640k). RS232 Serial and Centronics parallel printer ports are on the motherboard rather than on separate cards thereby making more slots available. it has one 5.25" floppy drive and no hard disk (can be installed). The PC 5 was released with MS-DOS 2.11 and GW Basic 3.2. The PC 5 had 5x 8-bit PC BUS Slots. It has two motherboards. One contains the CPU, RAM and ROM v. 2.01, an NPU socket and some VLSI chips. The second mainboard is connected by gold pin connectors, it is an "I/O board" containing serial and parallel port, ISA slots and all I/O chips. Some tracks from ISA slots are factory cut by drilling. The early PC10 has no RTC, HDD controller or reset switch, in front it has DIN keyboard connector

Commodore PC 10

  • The Commodore PC 10 is a PC 5 with a added color video card and two floppy drives

Commodore PC 10-1

  • a 512k RAM and single floppy drive version. $519

Commodore PC 10-2

  • 640K RAM and dual floppy Drives. $619

Commodore PC 10-S

  • a PC 10 with a single floppy drive. (PC 10 have two floppy drives)
A Commodore PC20

Commodore PC 20

  • The Commodore PC 20 is a PC 10 with a 20 MB hard drive an only one floppy drive.

Commodore PC 40 / AT

  • PC 40 is the top model of the first generation Commodore PC’s with improved 16bit "AT" hardware compared to 8bit XT in the others. It had a Intel 80286 that runs at either 6 or 10 MHz choosable by the user. Standard RAM was 1Mb and the video card was the same as in the PC 10 and 20. It had one 1,2 Mb 5.25 drive and a 20 MB hard drive. the cabinet had a key lock switch added Notes: The "PC AT" is a "PC 40" with a "AT" added to the name.

Second generation – Series II

Commodore PC 10-II

  • The Commodore PC 10-II is a minor revision of the original PC 10. It have mainly the same specifications and casing, but the main difference is that it has a new revised single motherboard opposed to the original PC 10 that have two motherboards combined. As the original PC 10, it comes with dual floppy drives and no hard drive.
Commodore PC 20-II Computer

Commodore PC 20-II

  • The Commodore PC 20-II is a PC 10-II with one floppy drive and one hard drive

Third generation – Series III

Commodore PC I

  • The Commodore PC 1 is a special small form factor PC inspired by the design of the Commodore 128, meant for budget homes or office use. The PC 1 have no internal room for Harddisk, the "PC 1-20" Harddrive came with a 3.5" 20 Mb hard drive and can be connected to the expansion port. The machine can also be expanded with the "PC 1-NET" which added a Novell Ethernet 10 Bit card connected to the expansion port. Strangely there is no internal sound. but a 8 Ohm speaker can be added. there also was sold a expansion box for connection 3 ISA cards..
  • Expansion slots: Commodore "PCEXP1" is a special expansion cabinet made for PC1. this gives 3 additional ISA Slots plus an extra 5.25 drive
Commodore PC 10-III Personal Computer

Commodore PC 10-III

  • The Commodore PC 10-III is a complete revision of the PC 10 and 10-II machine. it have a new sleeker cabinet and better specifications. while the two generations before only went at 4.77 MHz, the new III series uses an 8088-1 CPU capable of 10 MHz speeds. The PC 10-III/Colt Faraday FE2010 chipset allows the CPU speed to be adjustable via a SPEED.EXE utility via DOS or through keyboard commands. The default is the standard 4.77 MHz but the speed is adjustable to 7.16 MHz and 9.54 MHz. It also had more standard ram and a better video card. it is still a 8bit machine. it came with two floppy drives.

Commodore COLT

  • An American version of the PC 10-III with slightly different front design. The front is a white variant of the PC 30-III front with the COLT logo on.

Commodore PC 10-III SD

  • a PC 10-III with one floppy drive. (PC10-III have two floppy drives)
Close-up of a Commodore PC 20-III

Commodore PC 20-III

  • Same as PC 10-III but with a 20Mb HDD added.
Commodore PC30-III

Commodore PC 30-III (also sold as Select Edition 286)

  • The commodore PC 30-III is a new generation AT machine with a EGA video card, a 3.5 floppy drive and a 20 MB hard disk. The PC-30-III motherboard is the same as the PC40-III MB but with the VGA hardware missing from the Motherboard. (it is empty space on the motherboard for the VGA hardware)

Commodore PC 35-III

  • PC-35-III is a PC 30-III but with VGA hardware added to the mainboard. same 20 MB hard disk as PC 30-III

Commodore PC 40-III

  • PC 40-III is same as PC35-III, but with a 40Mb Harddisk.

Commodore PC 45-III

  • same as PC-40-III but with an AMD equipped CPU instead of Intel in the PC-40-III

Commodore PC 50-II

  • The Commodore budget 386 machine. it could be delivered with 40 or 100MB Harddisk or with just a3.5 floppy. it have SVGA

Commodore PC 60-III

  • a top-of-the-line tower PC for professional use.
  • Price: ?
  • CPU: Intel 386DX 25MHz
  • Optional CPU: A 387 FPU can be added.
  • Standard RAM: 2Mb onboard RAM
  • Optional RAM: upgradeable to 18Mb RAM via two expansion cards with max 8 Mb on each card.
  • Video Card: Paradise 88 VGA card
  • Floppy Drive: One Chinon FB-357 1.44Mb 3.5" and one Chinon FZ-506 1.2Mb 5.25" floppy drive.
  • Hard drive: It came with different choices of hard drive from 60Mb to 200Mb hard disk.
  • Expansion Bays: 4x 5.25 bay and 2x 3.5 bay.
  • Expansion Slots: 7x 16-bit AT expansion slots + 2x Commodore Slots for memory card. 9 total.

Generation 4 SlimLine series

Commodore 286 SX

  • Price:
  • Description: Slimline computercase
  • Motherboard year: 1991
  • Processor: Intel 80286 running at 8/16 Mhz. (A 80287-16 FPU can be added to an empty slot.)
  • ROM: 64KB Phoenix Bios
  • RAM: 1MB onboard standard, expandable to 5MB
  • Video Card: VGA 256K Byte, expandable to 512K
  • Disk drive: 1x Chinon F-502L 360k 5.25 drive.(Optional 720k Commodore 1010 og 1011 can be added to the Amiga style Disk port on the right side)
  • Harddrive: 40 MB - (313241-02), 50 MB - (311839-01) and 100 MB - (311840-01)
  • Network: the "PC 1-NET" came with a Novell Ethernet 10 Bit card connected to the expansion port.
  • Options: Expansion box for connection isa cards and Harddrive. an additional 8 Ohm speaker can be added for sound.
  • Operating System: MS-DOS 3.20 and GW-BASIC
  • Ports: VGA, Component video, RSR-232 Serial port, Centronic Parallel port.
  • Expansion slots: 16 bit x1 (expandable to 16 bit x 3 + 8 bit x 2 by use of riser card)
  • Keyboard: 84 Key XT Keyboard
  • Cabinet: Special small form factor inspired by the 128C

Commodore 286-16

  • A 16MHz 286 with 1Mb RAM, VGA video card, 3.5" floppy drive and 2x AT 16bit expansion slots.

Commodore 386SX-16

  • A 16Mhz 386 with 1Mb RAM, VGA graphics card, 3.5" floppy drive and 5x 16bit ISA expansion slots.

Commodore 386SX-25

  • A 25Mhz 386 with a Cyrix 387 FPU, 4Mb RAM, Cirrus Logic GD-5402 VGA (512kb video RAM), 40Mb HDD, 3.5" floppy drive and 5x 16bit ISA expansion slots.

Commodore 386DX-33

  • A 33MHz 386 CPU

Commodore 486SX-25

  • A 25MHz 486 with 4Mb RAM, VGA video, 1x 3.5" drive and a 150Mb HDD

Commodore 486DX-33

  • CPU: 33MHz 486 with
  • RAM: 8Mb RAM,
  • Video Card: VGA video,
  • Floppy drive: 1x 3.5"
  • Harddisk: 150Mb HDD

Laptops
Commodore C286-LT laptop

Commodore C286SX-LT

  • a 12Mhz 286 with 1Mb RAM

Commodore C386SX-LT

  • a 386 with 2Mb RAM and a 40Mb HDD


Model table

The following table lists all Commodore PC compatible systems specifications:

Commodore IBM PC compatibles
Model Motherboard Year Price CPU Co-Processor Chipset Battery RAM Video Card Floppy Drive Expansion bay Harddisk ISA bus Keyboard OS Ports Power supply Size
Model MHZ Base Expansion Maximum Name Modes RAM Ideal Monitor 5.25" 3.5" 5.25" 3.5" 8-bit XT PC 16-bit AT
PC 1 1987 £315, FIM
3.950,- ilman näyttöä (1988)
 Siemens Intel 8088 4.77 MHz Intel 8087 512 kB 4x 32k RAM 640k WD Integrated Paradise PVS 2 MDA, CGA, Hercules, Plantronics Commodore 1450 Chinon F-502L 360k Optional C-1010 or C-1011 can be added at the amiga style disk port on the right side 1 - The optional 20 MB "PC 1-20" Hard drive can be connected to the expansion port. 1x PCEXP1 - PC/XT 88 key MS-DOS 3.1 Power, VGA, Component video, RSR-232 Serial, Centronic Parallel 326 x 330 x 85 mm
PC 5 1984 3.950,- ilman näyttöä (1988) Intel 8088 4.77 MHz Intel 8087 256 kB 384 kB 640 kB Hercules GB-101 MDPA MDA 1901 ALPS DFC222A 360kB no 2 no 5 - PC/XT 88 key MS-DOS 2.11 Centronic Parallel 390 x 360 x 150 mm
PC 10 1984 $1395 Intel 8088 4.77 MHz Intel 8087 256 kB 384 kB 640 kB ATI CW16800-A MDA, CGA, HGC & Plantronics 64 kB 2x ALPS DFC222A 360kB no 2 no 5 - PC/XT 88 key MS-DOS 2.11 Centronic Parallel 390 x 360 x 150 mm
PC 10-II 1985 $559(1988) / NOK 18000,- Intel 8088 4.77 MHz Intel 8087 256 kB 384 kB 640 kB ATI CW16800-A MDA, CGA, HGC & Plantronics 64 kB 1084 2x Chinon FZ-502LII 360k no no 5 - PC/XT 88 key Centronic Parallel 390 x 360 x 150 mm
PC 10-III / COLT 1989 $1,200/ DM 4.950, FIM 14.950,- (1986) Siemens Intel 8088-1 Standard 4.77 MHz Turbo 7.16 MHz Double 9.54 MHz Intel 8087-1 Faraday FE2010A 640 kB WD Paradise PVC4 MDA, CGA, Hercules, Plantronics 1084 2x Chinon F-502L 360k no 2 optional 3 - PC/XT 88 key MSDOS 3.3 Centronic Parallel
PC 20 1984 FIM 7.995,- (1988) Intel 8088 4.77 MHz Intel 8087 256 kB 384 kB 640 kB ATI CW16800-A MDA, CGA, HGC & Plantronics 64 kB ALPS DFC222A 360kB no 2 20 MB 5 - PC/XT 88 key MS-DOS 2.11 Centronic Parallel 390 x 360 x 150 mm
PC 20-II 1985 £999 (Aug 1988)
NOK 30000,-		 Intel 8088 4.77 MHz Intel 8087 256 kB 384 kB 640 kB ATI CW16800-A MDA, CGA, HGC & Plantronics 64 kB 1x Chinon FZ-502LII 360k no 20 MB 5 - PC/XT 88 key 390 x 360 x 150 mm
PC 20-III 1989 FIM 23.550,- (1986) Siemens Intel 8088-1 Standard 4.77 MHz Turbo 7.16 MHz Double 9.54 MHz Intel 8087-1 Faraday FE2010A 640 kB WD Paradise PVC4 MDA, CGA, Hercules, Plantronics 64 kB 1084 Chinon F-502L 360k - 2 WD 20Mb HDD 3 - PC/XT 88 key MSDOS 3.3 Centronic Parallel
PC 30-III / Select Edition 286 1989 FIM 14.995,- (1988) Intel 80286 12 MHz Intel 80287 Faraday FE3020 Dallas DS1287 640 kB ATI EGA Wonder 800+ MDA, CGA, EGA & Hercules 256 kB Chinon FZ-506 1.2Mb Chinon FB-357 1.44Mb 2 WD 93028 AD 20MB 68 ms 1 3 PC/AT 102 key MS DOS 4,01 Centronic Parallel 112 W 366 x 381 x 146 mm
PC 35-III 1989 FIM 14.950,- ilman näyttöä (1989) Siemens Intel 80286 12 MHz Intel 80287 Faraday FE3020 Dallas DS1287 640 kB Paradise 88 PVGA1A-JK VGA 256 kB Chinon FZ-506 1.2Mb Chinon FB-357 1.44Mb 2 WD 93028 A 20MB 1 3 PC/AT 102 key MS DOS 4,01 Centronic Parallel 112 W 366 x 381 x 146 mm
PC 40 / AT 1987 Intel 80286 6/10 MHz Intel 80287 512 kB 512 kB 1 MB ATI CW16800-A MDA, CGA, HGC & Plantronics 64 kB 1084 1x 1,2 Mb 5.25 2 20 MB 6 2 PC/XT 88 key ms-dos 3.20 Centronic Parallel
PC 40-20 1988 £2,247 (Feb 1987) Intel 80286 6/10 MHz Intel 80287 1 MB 15 MB 16 MB ATI CW16800-A MDA, CGA, HGC & Plantronics 64 kB 1x 1,2 Mb 5.25 option 20 MB PC/XT 88 key MS-DOS 3.21
PC 40-40 1988 FIM 24.500,- ilman monitoria (1986) Intel 80286 6/10 MHz Intel 80287 1 MB 15 MB 16 MB ATI EGA Wonder(800) MDA, CGA, EGA 256 kB 1x 1,2 Mb 5.25 option 40 MB PC/XT 88 key MS-DOS 3.21
PC 40-III 1989 26.080,- ilman monitoria (1987) Intel 80286 12 MHz Intel 80287 Faraday FE3020 Dallas DS1287 1 MB 1 MB VGA (256 KB RAM) Chinon FZ-506 1.2Mb Chinon FB-357 1.44Mb 2 40 MB PC/AT 102 key Centronic Parallel 112 W
PC 45-III 1989 FIM 21.500,- (1989) AMD N80L 268-12/S 12 MHz Intel 80287 Faraday FE3020 Dallas DS1287 1 MB 2 MB VGA VGA (256 KB RAM) Chinon FZ-506 1.2Mb Chinon FB-357 1.44Mb 2 52 MB PC/AT 102 key MS DOS 4,01 Centronic Parallel 112 W 381 x 146 x 356 mm
PC 50-II 1989 Intel 80386 SX 16 MHz Intel 80387 1 MB 15 MB 16 MB Paradise 88 PVGA1A-JK MDA, CGA, EGA, VGA 256 kB 1x 1,2 Mb Chinon FR-506 1,44 MB 2 1 40Mb Conner CP-3044 or 100MB option. 1 5 PC/AT 102 key MS DOS 4,01 Power, Printer Parallel, 2x RS232C, VGA 145 W 377 x 158 x 421 mm
PC 50-III 1991 FIM 22.850,- (1990) Intel 386 25 MHz 1 MB SVGA no 1 200 MB 0 5 Windows 3.1
PC 60-40 1988 Intel 386 8 / 16 MHz Intel 80387 2,5 MB 13,5 MB 16 MB MDA, Hercules, CGA, EGA 1x 1,2 Mb 5.25 option 2 - 40 MB 2 4 PC/AT 102 key 2x RS232C, 2x Centronics Parallel 170 W
PC 60-80 1988 FIM 36.480,- (1988) Intel 386 8 / 16 MHz Intel 80387 2,5 MB 13,5 MB 16 MB MDA, Hercules, CGA, EGA 2 - 80 MB 2 4 PC/AT 102 key 170 W
PC 60-III 1990 £3,999 (40MB HDD), £4999 (80MB HDD)

FIM

45.500,- (1990)
 Intel 80386DX 25 MHz Intel 80387 2 MB 16 MB 18 MB Paradise 88 VGA MDA, Hercules, CGA VGA Chinon FZ-506 1.2Mb Chinon FB-357 1.44Mb 4 2 - 7 PC/AT 102 key Centronic Parallel


See also
  • 3D Microcomputers, a Canadian computer manufacturer whom Commodore Canada authorized to produce PC clones bearing the Commodore label shortly before Commodore International's bankruptcy in 1994

References
  1. "RUN Magazine issue 42".
  2. Libes, Sol (June 1984). "News & Views". Microsystems. p. 10. Retrieved 25 March 2023.
  3. "TCP ad, Run magazine Sep. 1987".
  4. "The PC10 has Landed". Two of the PC10-2's most visible competitors for the home and school markets are the Leading Edge Model D and the Tandy 1000SX.
  5. "Run Magazine Issue 42 : Free Download & Streaming : Internet Archive". Internet Archive. Retrieved 22 December 2014.
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