I tried to restore my ipad and I got this message
[NAND] _FindFlashMadiaAndKeepout; 429 physical nand block offset 16
[NAND] start:220 this 0x84646c00 PROVIDER 0x845b3900 FlashMedia=0x845b3900
[NAND] wmr_start:149 Apple PPN NAND Driver, read/write
[NAND] WMR_Start:174 FiL_Init [OK]
iPad 2