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AuthorTopic: Bounty 11 - New ATA Device  (Read 1539 times)

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Offline 4pLaY

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Bounty 11 - New ATA Device
« on: July 07, 2004, 08:26:17 AM »
The bounty#11 - a new ata.device has been completed today.

The new device driver for ATA/ATAPI devices has been completely rewritten and improved.

The new ata.device supports all PIO modes and thus allows theoretical transfer peaks of 14MB/s, however PIO modes are limited with the possibilities of current hardware. But quite expectable transfer improvement should be from something around the 2MB/s (using ide.device) to 7MB/s. In order to achieve such transfers the "ATA=32bit" parameter has to be passed to GRUB, as the ata.device will use then a 32 bit transfers which are not always supported.

Even if our current FFS implementation - afs.handler - is extremly unefficient, the speed improvement is visible.

Allthough the bounty is completed, the ata.device will not stop beeing developed.

Current TODO list contains now:
- write speed improvement
- UDMA support


Offline Magic-Merl

Re: Bounty 11 - New ATA Device
« Reply #1 on: July 07, 2004, 10:57:56 AM »
This is fantastic news.

More of the same please........

Offline Dan

Re: Bounty 11 - New ATA Device
« Reply #2 on: July 07, 2004, 12:42:42 PM »
Just when I got an empty 40GB harddrive since I upgraded to a 120GB , that canĀ“t be coincidence it must be fate! :-)
Apple did it right the first time, bring back the Newton!