SanDisk Sansa View Firmware Partition

Description

The SanDisk Sansa View series has a 42MB hidden firmware partition, of type 0x84 (OS 2 Hidden C: Drive). It holds both the bootloader, main firmware, mediaprocessor firmware, bitmaps and fonts. The layout of this partition is very similar to the SansaE200FirmwarePartition. See that page for more information.

Structure

Addresses are relative to the start of the partition. The partition is divided up into 5 blocks.

Address	Description
0x0	Bootloader header - PPBL followed by the bootloader length, followed by 0x10000
0x200	contents of bootLoader.rom
0x80000	Main firmware header - CPUI followed by firmware length, followed by 0x60000
0x80200	decrypted contents of firmware.mi4
0x780000	Media Processor firmware header - COPI followed by firmware length, followed by 0x70000
0x780200	decrypted contents of mediaproc.mi4
0xd000000	Bitmap data - PPBM followed by data length, followed by 0x0 then 0x4
0xd000200	contents of bitmap.dat
0xd000000	Font data - PPFN followed by data length, followed by 0x90000
0xd000200	contents of Font.fnt