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Seek Set S2 = 1
Seek
Check T -Reg for Seek, >-.!!R:::.;bc,,-!
RBC Set S6 = 1
RBC, R/W
' - - - - - - - - - - - - - '
Check Interlock
Interlock On
Stop
On
Direct Seek
Test for Direct Seek
Test for Seek
Seek
Direct Seek Add to
Present Cylinder
.--_ _ _ _ _ Y:...;e:...;s-<Test for Write Addr Op
Generate Write Count
and Data Command
G4= 1
SO =
0,
S2 =
0
OK
A
S7=1
No
Generate Head Seek
Command S2=1, SO=1
Test Status
NG
Normal
Norma
I
Status
End Operation
Abnorma I Status Stop
Figure 5-19.
Disk Storage Compatibility (Part 1 of 3)
5-36
Test Status
Return to
Home·
Seek
Return to Home Seek
Store New Cylinder
Abnormal
Abnorma I Status Stop
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