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Step 1542-9
For any I/O subsystem attached to the RIO card of the base system defined in the step that sent you to
this step ("Step 1542-9"): If the I/O subsystem was recorded as "looped one," "not looped left," or
"not looped right," are there any adapters in slots 1, 2, 3, 4, 5, or 6 (location codes U0.x-P1-I1
through I6), or for a 7311 Model D20 I/O Subsystem, slots 1-7 (location codes U0.x-P1-I1 through
I7)?
No
Go to "Step 1542-10."
Yes
Go to "Step 1542-13" on page 152.
Step 1542-10
For any I/O subsystem attached to the RIO card of the base system defined in the step that sent you to
"Step 1542-9": If the I/O subsystem was recorded as "looped two," are there any adapters in slots 1,
2, 3, 4, 5, or 6 (location codes U0.x-P1-I1 through I6), or for a 7311 Model D20 I/O Subsystem, slots
1-7 (location codes U0.x-P1-I1 through I7)?
No
Go to "Step 1542-11."
Yes
Go to "Step 1542-14" on page 152.
Step 1542-11
For any I/O subsystem attached to the RIO card of the base system defined in the step that sent you to
"Step 1542-9": If the I/O subsystem was recorded as "looped three," are there any adapters in slots
1, 2, 3, 4, 5, or 6 (location codes U0.x-P1-I1 through I6), or for a 7311 Model D20 I/O Subsystem,
slots 1-7 (location codes U0.x-P1-I1 through I7)?
No
Go to "Step 1542-12."
Yes
Go to "Step 1542-15" on page 153.
Step 1542-12
For any I/O subsystem attached to the RIO card of the base system defined in the step that sent you to
"Step 1542-9": If the I/O subsystem was recorded as "looped four," are there any adapters in slots 1,
2, 3, 4, 5, or 6 (location codes U0.x-P1-I1 through I6), or for a 7311 Model D20 I/O Subsystem, slots
1-7 (location codes U0.x-P1-I1 through I7)?
No
Go to "Step 1542-22" on page 157.
Yes
Go to "Step 1542-16" on page 153.
Chapter 3. Maintenance Analysis Procedures
151
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