IBM Series 1 User Manual page 219

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Initiate IPL
Status bus bit 0 or 1
System reset
IPL
IPL cycle steal requests and transfers
Timings:
Tl
<
200 ns
T2
>
0
T3
>
0
T4
>
0
CTI
>
4.8 /J.s
CT2
>
0
CT3
>
200 ns
~
CTI
~~
\
))~-------------------------------------
/ Normal cycle steal usage
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CTI
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----------------
Legend:
CT
=
channel times
T attachment controlled times
LVS
=
last valid signal, occurring in time, of a group of
signals being activated on the channel. The group
is linked by short dotted lines on the timing diagram.
LIS last invalid signal, occurring in time, of a group of
signals being deactivated on the channel. The group
is linked by short dotted lines on the timing diagram.
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