In <[EMAIL PROTECTED]>, on 10/17/2005
at 10:30 AM, Anne & Lynn Wheeler <[EMAIL PROTECTED]> said:
>sorry for the short hand ... the control unit channel interface board
>didn't actually talk to the memory bus and hold the memory bus ...
>the control unit channel interface board told the channel interface
>to obtain and hold the memory bus
There's no tag signal that requires the channel to lock the memory
bus. It's an implementation issue whether the channel does or doesn't
in any specific scenario. I should have an OEMI manual around
somewhere, but if I wait someone else will dig out his copy ;-)
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO
Search the archives at http://bama.ua.edu/archives/ibm-main.html
