Re: Snap 4100 BIOS dump, unlocking 137 limit
If the 4100 is like the 2000, it has 2 flashram chips. 1 is removable, the other is soldered in. I currently have read the removable one, with my programmer. But have not unsoldered the second. The OS is stored in these chips, alone with the BIOS. The chips in the 2000 are 29F800BT TSOP. I found reference to pkzip, in the flashram. Indicating that it uncompress the OS, as it installs it to the drive.
If you look at the sup file that Snap uses to update the OS. You will find it is a Intel HEX format.
I was looking at what would be needed to backup a OS. The older 2000 v1 do not like 4.0.860. The installer will not allow you to install a older version.
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