Maximum Mode Interface – The signals shown above are produced by 8288 depending on the state of S0 , S1 and S2 . • DEN, DT/R¯ and ALE signals are the same as minimum-mode systems • LOCK¯: when =0, prevents other processors from using the bus • QS0 and QS1 (queue status signals) : informs about the status of the queue • RQ¯/GT ¯0 and RQ¯/GT ¯1 are used instead of HOLD and HLDA lines in a multiprocessor environment as request/grant lines. 19 Maximum Mode Int - Study24x7
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Maximum Mode Interface – The signals shown above are produced by 8288 depending on the state of S0 , S1 and S2 . • DEN, DT/R¯ and ALE signals are the same as minimum-mode systems • LOCK¯: when =0, prevents other processors from using the bus • QS0 and QS1 (queue status ...

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