Greetings ø?ºº?ø,¸¸,ø?ºº?ø,¸¸,ø?ºº?ø,¸¸,ø?º?ø
On Jun 20, 2005, at 6:14 PM, GDB-B&W-X.3.9 wrote:
While doing some file copying on the new fileserver, I've noticed that
data being copied to an IDE drive is going faster than to another SCSI
drive. Of course the SCSI drives are both FAT32 at the moment, could
this be the reason or is the IDE bus faster than the SCSI on a beige
G3? The IDE drive is formatted as Mac Extended.
Just a message from Doug...
--
Another thought regarding your message.
Not knowing the internal workings of the MAC (if you don't work for
Apple most don't) my thoughts are that sending data to a PCI interface
card is like distributive processing. The main processor wants to store
some data and dumps it to another processor (PCI-Card) which is
probably no more than one processing cycle. The main Operating system
can then go on about its business until the PCI-Card indicates that it
is ready for more operations (Input/Output usually one or the other
because the PCI-Card is moving data In/Out on the data buss, bigger
faster machines have two busses and can move data both ways at the same
time. i.e. more busses more cost.) Whereas the internal operations of
the MAC might move data to the SCSI interface and then it has some
overhead to process that data down the Small Computer Serial Interface
(SCSI).
Like I said I don't know the internal working of the MAC therefor I'm
only guessing. Perhaps someone out there knows, and can enlighten us.
B e s t R e g a r d s ,
H a r r y ( * ^ _ ^ * )
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