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---
title: Medusa T-40
categories:
- Computers
types:
- Professional Computer
origins:
- Swiss
years:
- '1995'
cpus:
- Motorola 68040
params:
name: T-40
image: /media/museum/photos/medusa_t40_motherboard_1.jpg
company: /companies/medusa
company_name: Medusa
specs:
- label: NAME
value: T-40
- label: MANUFACTURER
value: Medusa
- label: TYPE
value: Professional Computer
- label: ORIGIN
value: Swiss
- label: YEAR
value: '1995'
- label: BUILT IN LANGUAGE
value: None
- label: KEYBOARD
value: standard 102 PC keyboard or 83 key Atari TT keyboard
- label: CPU
value: Motorola 68040
- label: SPEED
value: 64 Mhz.
- label: RAM
value: Up to 128 MB on board - Up to 4 GB with expansion card
- label: ROM
value: 512 KB up to 2 MB
- label: GRAPHIC MODES
value: 6 modes
- label: COLORS
value: '4096'
- label: SOUND
value: 3 voices
- label: I/O PORTS
value: Parallel, modem 1 and 2, Localtalk, MIDI in and out, DMA/ACSI, PC keyboard, Atari Mega/TT keyboard, Atari mouse, Atari joystick, one ISA slot. Optional LAN.
- label: BUILT IN MEDIA
value: One 3.5'' disk-drive and hard disk of various size
- label: OS
value: TOS 3.06 (slightly modified)
- label: POWER SUPPLY
value: Standard PC case power supply unit
forum_thread: 714
oc_id: 731
source:
url: https://web.archive.org/web/20230324062010/http://www.old-computers.com/museum/computer.asp?c=731
date: '2023-03-24'
---
The Medusa T40 was a clone of the rare and expensive Atari [TT/030](/museum/atari-tt-030/) computer.
It used generic off the shelf PC parts including 72 pin memory, Medusa just made the motherboard which fits a standard PC AT case, and was sold as complete system or just a board.
The board had 4 sockets for the slightly tweaked TOS 3.06 ROMs as used on the TT. There was one ISA slot for a standard VGA video card.
It filled a hole due to Atari users was able to enjoy a new high end workstation computer as a new model TT or Falcon did not materialise as Atari stopped making computers altogether.
It ran all cleanly written Atari application software, but not games due to different hardware used.
Was only available from the manufacturer in Switzerland. It is not known how many unit were sold due to being a very unusual computer.
The next step up from the T40 is the **Medusa Hades**. It has more efficient design, the DMA port for Atari SLM Laser printer and Megafile hard disk. Atari keyboard port was dropped. As it has cpu on the main board rather on a card and features PCI slots.\
It has optional Startrack VME sound card which give DSP processor as used on the Atari Falcon 030 computer.
The Medusa Hades board is still being sold today [here](http://www.kingx.com/kingx/medusa/).