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Roland (Roland)
Posted on Thursday, Apr 22, 2004 - 9:33:   

I have got a hard disk with "RTFiles-16" file system on it (from "On Time Software"). It has the following parameters:

First Physical Sector = 1237068.
FAT Type = 16.
Number of FATs = 2.
Max. Dir entries = 512.
Bytes per sector = 512.
Sectors per cluster = 16384.
Bytes per cluster = 8388608.
Total clusters = 19465.
Nr of bad clusters = 0.
Nr of dirs and files = 13.
Nr of contiguous cluster chains = 68.
Nr of contiguous free cluster chains = 2.
Largest contiguous free cluster chain = 18361.


The hard disk is not readable in WindowsXP.
If I access the hard disk with WinHex, it determines the following wrong parameters:

Size : 152 GB
FAT type : FAT12 (error!)
Bytes per cluster : 512 (error!)
Total clusters : 2.245.930
Bytes per sector : 512
First data sector : 187
Part. start sector: 1237068

Is there a way to access this hard disk with WinHex?
It would be very useful in WinHex if I could edit these parameters (e.g. FAT type, bytes per cluster...).

Thank you for your help.
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Stefan Fleischmann (Admin)
Posted on Friday, Apr 23, 2004 - 18:03:   

> Sectors per cluster = 16384.

In FAT file system boot sectors the limit for "sectors per cluster" is 2^8 - 1 = 255 because only 8 bits are reserved for this number. So WinHex is not compatible with "FAT-like" file systems that use more than 255 sectors per cluster, just to mention one aspect.

If you like, feel free to send me a sample boot sector exported as a binary file and file system specifications so I could have a look.

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