Quadra 800: Upgrade to Quadra 840A

This article describes the upgrade from the Quadra 800 to the Quadra 840AV.
The Macintosh Quadra 840AV Logic Board Upgrade (Order No. M1848LL/A) is a logic board upgrade a Quadra 800 to a Quadra 840AV. Along with the logic board, this upgrade includes 4MB of memory, System 7.1, an Apple PlainTalk Microphone and the Quadra 840AV back panel.
Published Date: Feb 19, 2012