ATW800/2 revisions

During development there have been several revisions of the ATW800/2 card. This article should help you to identify your card.

Pre ATW800/2

Before the ATW800/2 was released there were some (more limited) predecessors:

The STG[A]TW was a hybrid of the STGA graphic card adapter to an ET4000 ISA cards and a TRAM carrier.
It was a testbed the get more familiar with the Mega-ST bus and its capabilities.

Released revisions

Only the Mark 3 models were released and sold to the public. So all Revisions start with a "Mk3" marking.

• V1.0d - First public release. Sold in the 1st batch of 50 cards
• V1.1 - 2nd batch release. Differences to V1.0d:
  • Removed (optional) buffer for external T-Links
  • Removed option for supplying 3.3V to the Nano20k
  • Removed the chip-select solder bridge for the C011
  • Added solder bridge to choose voltage for SMD/THT 5MHz oscillator
  • Expanded USB connector to 2x5 pins to have external USB controllers to provide power to the USB port
  • Added solder bridge close to the USB port for power-source selection (card or in-port)
• V1.1a - 3rd batch release
  • Added ROM Enable jumper
  • Minor layout changes to simplify the building process