TOS

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TOS stand for The Operating System, and was the operating system distributed with all members of the TOS Family of computers manufactured by Atari. TOS was distributed on ROMs mounted on the motherboard of Atari's TOS computers. It was loaded from these ROM's at boot time.

• See also History of Atari TOS (should be merged with this article I think)

Versions

TOS 1

1.0 Original ST

1.02 STF and STMF

1.04 Nick-named "Rainbow TOS" for the cycling rainbow graphic shown when viewing TOS information under the File menu. Used in the Mega ST and later STFM's. Support for blitter to accelerate graphic operations

1.06 First STE's

 Hard drive bug

Had behaviour of not only corrupting certain hard drives when connected through the ACSI port, but could damage the hardware permanently

1.62 Second revision for STE's, bug fixes including hard drive bug fix.

TOS 2

Mega STE 2.02

2.05

2.06

TOS 3

Used in TT, written for 68030 3.01

3.05

3.06

TOS 4

Developed for the Falcon

4.00

4.01

4.02

4.04

4.92 Unofficial release, leaked after Atari had stopped producing computers. Some advanced features but unstable.

What else this article can cover

• Number of replacements, eg KaosTos
• Different layers (GEM layer on lower level componets - BIOS, XBIOS)
• Thought to unofficially stand for Tramiel Operating System, however this has never been proven.

External Links

Wikipedia link