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Atari Computer Hardwares And Systems


The Atari ST line of computers is based on the 68000 processor family from Motorola.

Different models with different features have been produced by Atari:

130 ST, 260 ST, 520 ST

(Sixteen/Thirty-two)

The first line of ST computers released in 1985. These early ST models can be distinguished from later ones by their smaller case, which is a consequence of the external FloppyDrive and the external power unit. On these models, the TOS operating system has to be loaded from a floppy disk.

ST baseline specifications in a nutshell:

TOS: 1.00
GEMDOS:
AES:
VDI:

See Also

Atari ST technical specifications at WikiPedia


520 STf, 1040 STf

(Sixteen/Thirty-two with Floppy)

This is the most well known model, with the power unit and FloppyDrive integrated in the case. A lower cased 'f' has been added near the ST label of the computer case to distinguish this second model. The TOS resides now in a ROM chip. Early versions had only a single sided FloppyDrive.

STf specifications in a nutshell:

TOS: 1.00 - 1.02
GEMDOS:
AES:
VDI:


Mega ST 2/4


The Mega ST series was released in 1987. The general outlook is a more professional, with the desktop base unit and the external keyboard.

Mega ST specifications in a nutshell:

TOS: 1.02
GEMDOS:
AES:
VDI:


STacy


Released in 1989, the STacy is the portable version of the Atari ST. Its (quite big) folded case is typical, with its more or less 6kg weight. It includes a 9 inches monitor and a track ball.

STacy specifications in a nutshell:

TOS: 1.04
GEMDOS:
AES:
VDI:


520 STe, 1040 STe

(Sixteen/Thirty-two Enhanced)

Released in 1990, this model looks like an STf, but an 'e' replaces the 'f' on the case label. Audio and video enhancements have been added. RAM can be upgraded up to 4MB with SIMM supports.

STe specifications in a nutshell:

TOS: 1.06
GEMDOS:
AES:
VDI:


Mega STe


Released in 1990, it looks like but has a bigger case than the Mega ST. This allows an optional internal hard drive. The 68000 processor has been accelerated, along with a RAM cache, and a VME expansion port.

Mega STe specifications in a nutshell:

TOS: 2.02 - 2.06
GEMDOS:
AES:
VDI:


TT030?

(Thirty-Two)

Released in 1990, the TT 030 looks like a Mega STe because of the same case, but it is a completly new hardware compared to the ST line computers. It includes a fast 68030 processor, with FastRam reserved for CPU, several serial ports, new video resolutions.

TT030? specifications in a nutshell:

TOS: 3.01 - 3.06
GEMDOS:
AES:
VDI:

Caveats

The CPU is the only part of the TT030 to be clocked at 32MHz, all then rest runs at 16MHz.

See Also

Atari TT030 technical specifications at WikiPedia


ST Book


Released in 1992, the ST Book is a lightweight (2 kg) portable ST computer designed to replace the STacy. The ST Book has a small footprint (A4) for the time it was released, which is closer from portable PC size standards. The machine has no internal FloppyDrive and thus data is transfered over a serial cable, using a built-in ST Book transfer software.

ST Book specifications in a nutshell:

TOS: 2.06
GEMDOS:
AES:
VDI:


Falcon030?


Released in 1992, the Falcon 030 is an enhanced STe with a 68030, a DSP, new audio and VideoController, internal IDE hard disk and external SCSI bus.

Falcon030? specifications in a nutshell:

TOS: 4.01 - 4.04
GEMDOS:
AES:
VDI:

Caveats

New strategic orientations pushed Atari to release the Falcon 030 before its hardware was fully debugged:

See Also

Falcon030 specifications at WikiPedia


Atari Clone Computers


Some Atari clones have also been produced, which have new motherboard, new CPU, ISA and PCI sockets, tower case.

Medusa T40


Released in 1994 by Medusa Systems (Swizerland), the Medusa T40 is a TT030? clone. It is an enhanced TT shipping a 68040.


TOS: based on version 3.06
GEMDOS:
AES:
VDI:


Eagle


Released in 1995 by the German company GE-Soft, the Eagle is a TT030? clone. The Eagle is a sort of full speed TT030, in which everything runs at 32MHz.

Eagle specifications in a nutshell:


Hades 040/060


Released in 1996 by Medusa Systems, the Hades computer is an enhanced TT shipping a 68040 or a 68060. The 060 version was released later in 1997.


TOS: based on version 3.06
GEMDOS:
AES:
VDI:


Milan 040/060


An ST clone released in 1998 (Milan 060, also called Milan II was released in 2001). It is built on an Intel chipset providing PCI bus and shipping a 68040 or a 68060.


TOS: 4.05 - 5.0
GEMDOS: 0.32
AES:
VDI:

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