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XP-ALL+ ADAPTER BOARD
If you have a Digitech XP series pedal, and wish to convert it to an XP-ALL+, then this little adapter board will help you get there. This will allow conversion from the 27C256 pinout to the 27C1001 pinout. Moving to the larger EPROM allows for loading of all four XP series modes on one chip, and does away with the old chip stacking technique of yester-yore. The adapter board also carries pads for a mini relay, which allows for full stereo functionality in all modes. We've added links for the XP-ALL/XP-ALL+ build document, as well as a link for the assembled .bin file for the new XP-ALLin code for the 27C1001 EPROM. The new code comes from the brilliant work of Prehistoricman, and allows for saving of different patches in different modes, without the corruption that dogged the old code.
This isn't a project for the faint of heart. It's complex, and requires a lot of detailed work, not to mention access to a chip burner. If you don't have a chip burner, we offer a chip burning service for the 27C1001 EPROM with the XP-ALLin code. PLEASE NOTE: WE DO NOT SELL EPROM's!! THE SERVICE IS FOR BURNING ONLY!! YOU MUST PROVIDE US WITH YOUR CHIP. You send us your chip, we burn it, test it for functionality, and send it back to you. See the product service for complete details.
"XP-ALL" and "XP-ALL+" names are reserved and belong to digi2t, and Govmnt_Lacky. Other use for commercial purposes without permission, is forbidden, and gravely frowned upon.
"XP-ALLin" code and name is reserved and belongs to Prehistoricman, and is disseminated here with permission of the author. Other use for commercial purposes without permission, is forbidden, and gravely frowned upon.