First introduced at the Consumer Electronics Show in January 1987 as the “Atari PC”, this was Atari’s first foray into the IBM PC Compatible market and would later be known as the Atari PC1. Priced at a US$699, it was marketed as Atari’s entry level system and was soon followed by the Atari PC2 also in the same year.

Welcome to Atari PC.net, a resource site dedicated to the PCx Series of IBM Compatible PC’s built and sold by Atari and quite possibly home to the largest collection of Atari IBM PC’s in the Southern Hemisphere.

Atari PC Floppy and Hard Disk Drives Owner's Manual - Revision A: Documentation: PC3, PC4, PC5: C300507-004: PC4 Owner's Manual (German) Documentation: PC4: C300367-001: Microsoft Windows User's Guide: Documentation: PC4: C300366-004: Microsoft MS-DOS 3.3 User's Guide and User's Reference (German)

Continuing the tradition of using Atari components in their PC line up, the Atari PC3 utilises the Atari STM1 Mouse (relabeled as PCM1) via an Atari mouse port conveniently located on the side of the case with the standard XT keyboard port.

Originally known as the Business PC “expandable system”, the Atari PC2 was first introduced in November 1987 at COMDEX ’87. Sporting a new purpose built chassis instead of reusing an existing design, it had the same specifications as the …

Introduced at COMDEX ’87 along with the PC2, the PC4 was the last in the Atari PC series to have an Atari designed motherboard and no longer featured an Atari Mouse port.

Atari PC3 GEM Desktop EGA Version 2.2. 2 x5.25″ DSDD 360k Diskettes. Download: GEM Startup | GEM Desktop

Atari PC Owner’s Manual – English; Atari PC Owners Manual – German; Floppy Media. MS-DOS System Disks; GEM Desktop and Applications; PC1 Motherboards. Atari C100360 – Revision B; PC2 8088. Overview; Photo Gallery; Documentation. Atari PC2 Owner’s Manual – English; PC2 Motherboards. Atari P/N Unknown – Revision 1.1; PC3 8088.

Standard MS-DOS disks with the addition of the Atari Mouse driver on Disk 1. 2 x 5.25″ DSDD 360k Diskettes. Download: Disk 1 | Disk 2

Before the original Atari PC4 was released to the market, Atari began selling the Mitac Paragon 286VE and re-branding them as the Atari PC4. Specifications wise they were comparable to the original Atari PC4 but that’s where the comparison ends.