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>>> LBA48 maximum capacity <<<

 
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success2be is offline Old Post 06-26-2004 02:00 AM
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success2be
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LBA48 maximum capacity

Anyone know the theoretical maximum storage capacity for LBA48? If we ever get LBA48 support in current Series 2 in the near future, I'm sure a lot of us will upgrade to the maximum allowed by LBA48.

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GBL is offline Old Post 06-26-2004 02:14 AM
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512 * 2**48 bytes, IIRC.

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Robert S is offline Old Post 06-26-2004 04:35 AM
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Well, true LBA-48 implementations will probably have to wait for 64-bit CPU's. The current implementations are 32-bit, which limits you to something like 2000Gb per drive.

There's also a limit of 274Gb per MFS partition. As you can only have three pairs of MFS partitions on an A drive, that's going to limit most people to about 300Gb on their A drive.

The largest ATA drive currently on sale is 300Gb, so this isn't an issue at the moment. 400Gb drives are coming soon, but so far have only been announced in S-ATA form.

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success2be is offline Old Post 06-26-2004 05:39 AM
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quote:
Originally posted by Robert S
Well, true LBA-48 implementations will probably have to wait for 64-bit CPU's. The current implementations are 32-bit, which limits you to something like 2000Gb per drive.

There's also a limit of 274Gb per MFS partition. As you can only have three pairs of MFS partitions on an A drive, that's going to limit most people to about 300Gb on their A drive.

The largest ATA drive currently on sale is 300Gb, so this isn't an issue at the moment. 400Gb drives are coming soon, but so far have only been announced in S-ATA form.



I guess that's why the Pioneer TiVo that Weaknees sell only has up to 320 hrs. It would be nice to see a 640 hr dual drive version available.

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Robert S is offline Old Post 06-26-2004 05:51 AM
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There isn't room for a second drive in that unit, as the DVD drive takes up so much space. From a software stand point, big B drives are easier than big A drives as there's plenty of room in the partition table. An 800Gb B drive should be fine as long as you split the space up into multiple partitions.

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>>> LBA48 maximum capacity <<<

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