A RAM modification device for the Super Nintendo Entertainment System made by Datel. The device was a cartridge placed between the console and the game (it had a slot on top to fit the game). Four models are known to exist.
Known Versions
Action Replay v2.1 (12/11/92): "good" name: Pro Action Replay BIOS
Action Replay II v1.0 (22/11/93): "good" name: Pro Action Replay Mk2 BIOS [!]
Action Replay II v1.1 (01/02/94): "good" name: Pro Action Replay 2 BIOS [!]
Action Replay III v1.0U (19/07/95): "good" name: Pro Action Replay Mk3 BIOS [!]
Credits
Action Replay v2.1
ACTION REPLAY BY DATEL ELECTRONICS (C) 1992 This product is NOT manufactured,licensed, endorsed or distributed by Nintendo of America Inc. ACTION REPLAY version 2.1 programmer .... W.H.BECKETT hardware .... C.R.HARDING design .... W.H.BECKETT .... M.J.CONNORS .... C.R.HARDING support .... M. WALLACE rom date .... 12/11/92 checksum .... (C) 1992 DATEL ELECTRONICS LTD
Action Replay II v1.0
ACTION REPLAY II v1.0 BY DATEL ELECTRONICS (C) 1992,93 This product is NOT manufactured,licensed, endorsed or distributed by Nintendo of America Inc. ACTION REPLAY II V1.0 ===================== programming.... D.P.BARWIN .... W.H.BECKETT hardware .... C.R.HARDING design .... W.H.BECKETT .... M.J.CONNORS .... C.R.HARDING support .... M. WALLACE .... T.A.FOSTER rom date .... 22/11/93 checksum .... (C) 1992/3 DATEL ELECTRONICS LTD
Action Replay III v1.0U
DATEL ELECTRONICS (C) 1995 This product is NOT manufactured, licensed, endorsed or distributed by Nintendo of America Inc. ACTION REPLAY III ----------------- programming.... D.P. BARWIN hardware .... C.R.HARDING design .... W.H.BECKETT .... D.P. BARWIN .... M.J.CONNORS .... C.R.HARDING graphics .... G. THORNTON support .... M. WALLACE .... T.A. FOSTER rom date .... checksum .... V1.0U (C) 1995 DATEL ELECTRONICS LTD. THIS IS THE START OF THE END
Screenshots
Action Replay v2.1