Commodore PC-40

The Commodore PC-40 moved the compatible range into 80286 AT-class performance with 16-bit expansion and larger storage.

It targeted professional users requiring more memory and speed than the 8088 PC-10 and PC-20 families.

Notable Features

• Several series and configurations were sold under the PC-40 name.
• The 16-bit ISA architecture supports AT-class expansion hardware.

Historical Significance

• It targeted professional users requiring more memory and speed than the 8088 PC-10 and PC-20 families.

Collector’s Notes

• Model suffix, motherboard revision, supplied display adapter, drives and original Commodore keyboard should be documented.
• Memory, storage, displays and expansion hardware should be documented because configurations often changed during a system’s working life.

Specifications

Technical Information
Name	Commodore PC-40
Manufacturer	Commodore
Launched	Wednesday, January 1, 1986
Discontinued	1990s
Country	West Germany
CPU	Intel 80286 at model-dependent speed
Units Sold
Form Factor	AT-class desktop computer
Power	Internal mains supply or battery/adapter for portable models
Networking	Optional modem, serial networking and Ethernet or Token Ring adapters
Operating System	Commodore MS-DOS and compatible PC operating systems
Expansion / I/O	ISA expansion, serial, parallel, video and storage interfaces; exact complement varies
Keyboard	Detached PC-style keyboard
Storage	High-density floppy and factory hard disk
Sound	PC speaker; optional sound cards
Colours	Adapter-dependent colour
Graphics	EGA or VGA-compatible graphics depending on series
Display	External monochrome or colour monitor
ROM	IBM-compatible BIOS ROM
RAM	512KB or more
CPU Speed	Typically 6–12 MHz depending on revision