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projects:rf_lc [2017/08/13 20:03] M.G. created |
projects:rf_lc [2017/08/14 15:07] (current) M.G. [Technical] |
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| I have devised a way to replace the Slinky firmware in the Apple %%//%%e Card for Macintosh LC with the Applied Engineering RamFactor firmware. | I have devised a way to replace the Slinky firmware in the Apple %%//%%e Card for Macintosh LC with the Applied Engineering RamFactor firmware. | ||
| - | Doing so gives all the partitioning features of the RamFactor. Unfortunately since it's not persistent it can't be recovered after exiting/restarting the Card. | + | Doing so gives all the partitioning features of the RamFactor. Unfortunately since it's not persistent it can't be recovered after exiting/restarting the ''IIe Startup'' application. |
| ===== Download ===== | ===== Download ===== | ||
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| - Open CNxx in the copy of ''IIe Startup''. | - Open CNxx in the copy of ''IIe Startup''. | ||
| - Paste the copied resources, and choose to overwrite the existing ones. | - Paste the copied resources, and choose to overwrite the existing ones. | ||
| - | - CNxx: | + | - Monx: |
| - Open Monx in ''RF LC'', select all resource IDs and copy. | - Open Monx in ''RF LC'', select all resource IDs and copy. | ||
| - Open Monx in the copy of ''IIe Startup''. | - Open Monx in the copy of ''IIe Startup''. | ||
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| - Analysis of the [[mg_notes:iie_card:iie_startup_resources|''IIe Startup'']] application. | - Analysis of the [[mg_notes:iie_card:iie_startup_resources|''IIe Startup'']] application. | ||
| + | - Decoding the simple obfuscation used in the main firmware. | ||
| + | - Determining the header format of the main firmware. | ||
| - Disassembly of the RamFactor firmware. | - Disassembly of the RamFactor firmware. | ||
| - Modification of the RamFactor firmware to account for no C8xx bank switching. | - Modification of the RamFactor firmware to account for no C8xx bank switching. | ||
| - Modification of the RamFactor firmware to know where to find the partition manager and diagnostics in the %%//%%e Card aux firmware banks. | - Modification of the RamFactor firmware to know where to find the partition manager and diagnostics in the %%//%%e Card aux firmware banks. | ||