SystemArchitecture

General System Architecture

NOR flash mapping

The flash memory used inside the QBoxHD and QBoxHD-mini is an 8MB NOR flash model SST 39VF6401B-70-4C-EKE

It is organized in the following way:

Start	Size (Bytes)	MTD partition	Content
0x0000 0000	61440	mtd0	First-stage bootloader (OTP)
0x0000 f000	4096	mtd1	OTP
0x0001 0000	327680	mtd2	U-Boot
0x0006 0000	196608	mtd3	Logo
0x0009 0000	524288	mtd4	bs
0x0011 0000	3145728	mtd5	Kernel
0x0041 0000	4128768	mtd6	initramfs