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Adobe Photoshop Question ... primary scratch ... primary paging

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kostya:

--- Quote from: Lupin on December 13, 2009, 04:03:52 AM ---
--- Quote from: Xyresic on December 12, 2009, 08:09:16 PM ---So if you do have another HDD, it would make sense to keep both on two different hard drives, but as mentioned, for causal usage it wouldn't really effect usage.

--- End quote ---
Placing the page file in another harddrive in the same IDE channel is the same as placing it in the same harddrive. While this may be moot now that most drives use the SATA interface, it's worth mentioning

--- End quote ---
Really? I would assume the issue with placing them on the same hard drive is that it is even slower (since you are now using 2 disk operations from 2 regions from the same drive to accomplish a task). If you have 2 drives on the same channel, they are only sharing a controller. I would think that the biggest source of latency is the disk, not the controller on the mobo.

Lupin:

--- Quote from: kostya on December 13, 2009, 09:32:17 AM ---Really? I would assume the issue with placing them on the same hard drive is that it is even slower (since you are now using 2 disk operations from 2 regions from the same drive to accomplish a task). If you have 2 drives on the same channel, they are only sharing a controller. I would think that the biggest source of latency is the disk, not the controller on the mobo.

--- End quote ---
Although you can connect two drives at a time on a single channel, only one drive (master or slave) can be serviced by controller at a time. The master drive has priority. This isn't a problem with SATA drives since each drive is connected to a different channel.

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