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Power Up ----> Power Up Diagnostics ---->
Reset
AHard
and Reset
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SCSI Reset----> Get Off SCSI bus-----*
Soft
If working, sets up
for command retry
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Shared
/
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Sub-
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SEEK
routines\
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READ
WRITE
FORMAT
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I
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IDLE, polling
<--
host selection or
seek complete
I .
Host Selectlon
Checking
<-----
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Command Pre-
Processing
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READ BUF. OTHERS
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I
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Normal eXIt
Error exit
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Command linking ----------------------*
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Clean up
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---------------------------------*
Figure 2-2.
ACB-5500 Microcode Structure
2.1
SYSTEM CONFIGURATION
The ACB-5500 supports systems with a wide range of complexity.
Figure 2-3 shows three SCSI configurations supported by the ACB-
5500.
500504-00
2-3
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