Discussion in 'OT Technology' started by Balzak, Apr 30, 2003.
What is an 8MB cache on a hard drive, and why are they so beneficial?
Disk cache just holds recently open HD files. If opened, it searches the cache first. Time access RAM < time access HD.
it is also space available for 'look ahead'. for example [exaggerated and non-technical..], let's say you want to open a 1MB file. when the program reads the file, instead of the drive searching for each byte over and over, it can scan all 1MB of the file and put it in cache. this way each byte read is much faster (from cache) than if it was seeking on the drive. or something.
i found a good article on it a while back at http://www.howstuffworks.com/.
Looking at the Western Digital Special Editions? We jst got those in at OfficeMax for the 80 and 120GB.