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COMP.SYS.IBM.PS2.HARDWARE
Memory refresh and System Master data transfers in ARB state
From
Louis Ohland
@21:1/5 to
All
on Fri May 27 13:34:40 2022
SA23-2647-00_RS6000_Hardware_Technical_Reference_Micro_Channel_Architecture_1990.pdf
page 33
Note: While ARB/-GNT is in the ARB state, the system master can perform
data transfers and system logic can perform refresh operations.
Sordid like using the ADDR bus when Streaming. Efficient use of an
otherwise wasted resource. Squeeze it until it hurts...
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)
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