x360 NAND Dump Checker v1.0 released Posted by GaryOPA | July 24 10:25 EST | News Category: Xbox360

Checks your Xbox 360 NAND dump for ECC errors. Swizzy has released a new app dedicated to JTAG/RGH XBOX 360 consoles. This one will assure you have a valid NAND dump. x360 NAND Dump Checker by Swizzy, allows you to check each page of your Xbox 360 NAND dump for ECC errors... [QUOTE] It does this by calculating the ECC data and comparing it to the one stored in spare. It'll tell you if it finds what it believes to be a badblock (if there is no ECC data stored in spare it'll assume it's a badblock). Includes GUI and command line version of the tool along with source code. Requirements: Microsoft .NET Framework 2.0 or later. [/QUOTE] Information: [QUOTE] Verbosity level 0 = Normal, default level, only prints badblock info for each block and most errors/warnings Verbosity level 1 = Medium, prints all bad pages and all errors/warnings Verbosity level 2 = Full, prints ECC information for each page bad, and page status… Verbosity level 3 = Debug, prints information of each page and more… [/QUOTE] That's right, there are two versions a CLI (Command Line Interface) and a GUI one. [QUOTE] CLI version: Usage: dumpchecker file [switch [switch]...] Example: dumpchecker flashdmp.bin -full -v 1 Switches: -full : Check ALL pages of the nand (only for 256/512MB Jaspers) -noenter : Suppresses prompt for enter key when finnished -v : Set verbosity level, valid levels: 0, 1, 2 and 3 -? : Shows this information [/QUOTE] Download Links: - CLI version - GUI version News-Source: x360 NAND Dump Checker v1.0 (via) Homebrew-Connection

It works great.

It did tell me I have ghosts in my original nand dump, which i know contains a single remapped bad block. I have used this image as a base for all my jtag flashes no problem tho

That means the block have one or more ECC errors in it, but not 0x00/0xFF filled ECC data which i guess also indicates badblock in some cases, but could very well also be a ghostblock