Since the HDD itself still uses 512-byte sectors and the 4096-byte sector size is essentially a spoof, a conversion method had to be created so the read/write operation, based on the 4K sector size, would apply to the correct sectors on the HDD. The sector size was increased to 4096, and as a result, that 32-bit sector count field can now represent a maximum of 16 TB. This field cannot be extended beyond 32-bits, so the alternative is to increase the sector size. The 512-byte sector size multiplied by the maximum 32-bit value (4294967295) equals 2 TB. When the Xbox 360 kernel loads the disk size, it maxes out at 2 TB because of the 32-bit sector count field in the DISK_GEOMETRY structure. Here is a general overview in the meantime: How this was doneĪ more technical deep-dive will be published another time, along with the source code to the patches. If your drive is fast enough, you may not even encounter the problem. There are fewer limitations compared to the XL USB patches, and the sole limitation shown above is more of an assumption than a proven fact. Here is the Apply HDD Patches window which explains everything in great detail: A comprehensive kernel patch unlocking up to 16 TB of space! How it works, benefits, limitations, etcįATXplorer 3.0 beta 22 has an updated XL Storage Tools menu:įrom there, you can choose what you want to do. Today I am pleased to announce the next evolution of Xbox 360 internal HDD upgrades. Larger HDDs and SSDs continue to get cheaper too. However, in 2022, there are others who crave a lot more storage space, and 2 TB was starting to be limiting. I never needed more than 500 GB – even today it’s still plenty for me. Thanks to the XBReboot creators (a precursor project to the modern xeBuild) it was possible to use any HDD up to 2 TB. Here’s the exact picture I posted to social media (March 19, 2010): At the time, 250 GB was officially the highest you can go. It was a 500 GB, 7200rpm Hitachi Travelstar. When I was in high school, around the time the Xbox 360 JTAG hack became popular, one of the first things I did when I got my console modded was upgrade the internal HDD to a custom 500 GB drive.
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