Ask about JBus transaction order rules
hi every one:
In the page 19 of document "OpensparcT1_Externalinterface.pdf", there is a short discription about JBus data return order rules:
"Out of order data return for different cacheable addresses.In order data return from a single noncacheable port. In order data return for the same cacheable address.Order is determined by address bus order".
Concerned to this discription, I have some questions in the following:
1. what is the exact meaning of "cacheable address" and "noncacheable port"? Can I recognize all addresses which are via L2 cache or PCI data cache as cacheable address? Does a noncacheable port contain only one I/O port?
2. JBus System Intf(jbi) plays a role of bus master , doesn't it?
I hope to get your help! Thank you!
a
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Thank you and waiting for your reply.Read here:
http://support.apple.com/kb/ht5312
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Go here, ask for assistance:
https://getsupport.apple.com/GetproductgroupList.action
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Meen0902 wrote:
... after entering cc details its asking about something itune gift card secure code...i
Try the 3 or 4 digit code on the back of your Credit Card.... -
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(118441) -
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https://discussions.apple.com/thread/4010130
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http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
Cheers, Tom -
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