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Switching adapters use chips that are larger than an ECU requires, allowing the extra space to be used for multiple programs. Using our switching adapters (G2X, G3, GX, TwoTimer, F3, F3v2,F8) requires programming chips using offsets of making “stacked” bin files.
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For a single-tune single-chip scenario, you generally want the buffer (or file content) to be placed at the ‘end’ of the chip. While the correct values are often selected, you can manually enter them. The following table summarizes what offsets you need to use depending on chip used and file size: (Flash n Burn usually automatically selects sane offsets based on your chip type and file size in order to place your buffer at the end of the chip, where it usually belongs.) The buffer addressing along with the chip size will determine what offsets you need to use.
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(You can typically “hover” over the filename before opening it and Windows will pop up an information box iwth the file size) It will likely be one of five sizes: 4k, 16k, 32k, 56k or 64k bytes. Take note of the file size indicated in the message window. Select it, and it will be loaded to memory on the PC.
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If you need help with this, look at the Beginners’ Guide before continuing. We’re going to assume you have either TunerPro or Flash n Burn open at this point and the chip physically oriented correctly.