ahh yes, 64-bit exFAT. licensed by MS. also, this fs is in 64GiB and larger
thumb drives and cards if I am not mistaken. xp has a not-installed-by-default
driver/MS-OS-patch for this you can download for those of you who need it.
http://www.microsoft.com/downloads/en/details.aspx?familyid=1CBE3906-DDD1-4CA2-B727-C2DFF5E30F61&displaylang=en
>________________________________
> From: Bret Johnson <[email protected]>
>To: [email protected]
>Sent: Thursday, January 2, 2014 7:53 AM
>Subject: Re: [Freedos-devel] 4, 096 byte sectors and DOSLFN, UIDE...question
>
>
>
>FWIW, my USB disk driver always did work with any sector size up to 32k, if
>the OS supports it. Unfortunately, AFAIK, only MS-DOS supports anything other
>than 512 byte sectors, and even to do that requires a minor modification to
>the kernel (you just need to change the default sector size, a one word
>value). There's a description of how to do it using DEBUG in the source code
>for USBDRIVE.
>
>As Czerno also stated/implied, I think MS SMARTDRV may be the only cache that
>works with sectors other than 512 bytes (or at least doesn't crash / corrupt
>anything). >From what I understand, UIDE and LBACACHE (the caching programs I
>think are used by most users nowadays) do not work correctly with anything
>other than 512 bytes (Eric / Jack can correct me if I'm wrong about that).
>Also, UIDE and LBACACHE are INT 13h caches, so won't work directly with ASPI /
>SCSI / USB disks anyway. SMARTDRV is an INT 21h cache, so doesn't have the
>same issues.
>
>Also FWIW, I think using an ASPI interface is the wrong direction to go for
>disk "enhancements" like large sector sizes, exFAT (aka "FAT64"), GPT (GUID
>Partition Tables), etc. ASPI is probably a little easier than INT 13h to
>implement at first, but I think DOS will end up in a place it doesn't want to
>be if we continue down that road. Just my opinion.
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