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    SubjectRe: Main CPU- I/O CPU interaction
    On Mon, Jan 03, 2005 at 12:44:36AM +0000, tony osborne wrote:
    > The I/O devices are equipped with dedicated processor to free the main CPU
    > from doing the low level I/O operations. However, if i am editing and
    > updating a big size file and i want to save
    > it afterwards, i notice my PC getting blocked while saving the file which
    > theoritically should NOT happen as it is up to the I/O device processor and
    > not the main CPU to save the data into the disk; the main CPU could switch
    > to another process after giving the high level command -save-to the device
    > processor; so why the main CPU is blocked while saving such big size files

    Martin Waitz
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