SIIOADP
SIIOADP: high-speed link (HSL) I/O adapter.
This is the HSL I/O bridge hardware in a System Unit Backplane, Base I/O tower,
an expansion I/O tower or SPD Migrated tower.
1. Was the frame ID and the card position listed in the SAL information?
No Yes
↓ Go to step 9 on page 586 of this procedure.
This ends the procedure.
2. Was a frame ID listed in the SAL or do you know the frame ID?
No Yes
↓ The failing component is the HSL I/O bridge in that frame. Record the
frame type and go to step 9 on page 586 of this procedure.
3. Is there an HSL loop number listed for this FRU in the SAL entry?
No Yes
↓ Go to step 7 of this procedure.
4. Record the Direct Select Address (DSA) which is word 7 of the SRC from the
SAL display.
5. Are the first four digits of the DSA in word 7, greater than or equal to 0100?
No Yes
↓ Convert the bus number in the DSA (BBBB) to decimal. For help in
converting the DSA, see Table 7 on page 281. Perform “BUS PIP
HSL-04” on page 303, then return here and continue with step 9 on
page 586 of this procedure.
6. Record the bus number value, BBBB, in word 7 of the SRC. See “Breaking
Down The SRC” on page 280 for help in determining the bus number.
Search for the bus number in HSM or the System Configuration Listing to
determine which frame or I/O tower contains the failing component. Record
the frame or tower type.
If the bus number is in the range 4 through 23 (0004 through 0017
hexadecimal), then continue with this step. Otherwise, go to step 9 on page 586
of this procedure.
The failing component is the HSL I/O bridge card in an SPD migrated tower.
v For SPD migrated tower FC 5077 go to symbolic FRU LBUSADP in the
Migrated Expansion Tower Problem Analysis, Repair and Parts manual for
information on servicing this failing item.
v For SPD migrated tower FC 5033, FC 5034, FC 5035 go to symbolic FRU
CVTCARD in the Migrated Expansion Tower Problem Analysis, Repair and Parts
manual for information on servicing this failing component.
This ends the procedure.
7. Have you already determined the frame ID and frame type of this failing
component, using another procedure or symbolic FRU?
No Yes
↓ The problem is in one of the HSL I/O bridges within that loop. Use the
frame ID and type that you have already determined, to exchange the
failing component. Go to step 9 on page 586 of this procedure.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 585
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