View source for ATW800/2 revisions

[[Category:ATW800/2]]
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 [https://www.geekdot.com/stgatw/ STG[A<nowiki>]</nowiki>TW] was a hybrid of the STGA graphic card adapter to an ET4000 ISA cards and a TRAM carrier.<br>
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