IBM iSeries 270 Service Manual page 338
Sb2 and sb3 hardware
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Also See for iSeries 270:
- User manual (212 pages) ,
- Hardware problem analysis and isolation (512 pages) ,
- Analyze hardware problems (system reference codes (306 pages)
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Position (listed in
IOA assignment
Possible failing
order)
component
C02
IXS attached IOA The IOA has the same DSA as the first IOP
D01
Disk unit
D02
Disk unit
D03
Disk unit
D04
Disk unit
D05
Disk unit
D06
Disk unit
D07
Optical
D08
Tape
Table 2. IOP, IOA, and device address information for Models 800 and 810 System Unit Expansion
Possible
failing
Position
component
D09, D15 Disk unit
D10, D16 Disk unit
D11, D17 Disk unit
D12, D18 Disk unit
D13, D19 Disk unit
326
Hardware (Remove and Replace; Part Locations and Listings)
DSA (BBBBCcbb)
found in the following list: C03, C04, C05,
C06, MB1.
0001-10-00
0001-10-00
0001-10-00
0001-10-00
0001-10-00
0001-10-00
0001-10-00
0001-10-00
DSA (BBBBCcbb)
Unit address
The disk unit has the
xy0100FF (where x is the same as the first character of the
same DSA as the IOP
xFFFFFFF IOA Unit Address and y is I/O bus 0, 1 or 2. Storage
controlling the Storage
IOA I/O buses begin with 0 and are numbered from the tailstock
IOA.
toward the middle of the card. Find the storage IOA with the
same DSA and xFFFFFFF address, then trace the I/O bus cable
to determine if the position is D09 or D15.)
The disk unit has the
xy0200FF (where x is the same as the first character of the
same DSA as the IOP
xFFFFFFF IOA Unit Address and y is I/O bus 0, 1 or 2. Storage
controlling the Storage
IOA I/O buses begin with 0 and are numbered from the tailstock
IOA.
toward the middle of the card. Find the storage IOA with the
same DSA and xFFFFFFF address, then trace the I/O bus cable
to determine if the position is D10 or D16.)
The disk unit has the
xy0300FF (where x is the same as the first character of the
same DSA as the IOP
xFFFFFFF IOA Unit Address and y is I/O bus 0, 1 or 2. Storage
controlling the Storage
IOA I/O buses begin with 0 and are numbered from the tailstock
IOA.
toward the middle of the card. Find the storage IOA with the
same DSA and xFFFFFFF address, then trace the I/O bus cable
to determine if the position is D11 or D17.)
The disk unit has the
xy0400FF (where x is the same as the first character of the
same DSA as the IOP
xFFFFFFF IOA Unit Address and y is I/O bus 0, 1 or 2. Storage
controlling the Storage
IOA I/O buses begin with 0 and are numbered from the tailstock
IOA.
toward the middle of the card. Find the storage IOA with the
same DSA and xFFFFFFF address, then trace the I/O bus cable
to determine if the position is D12 or D18.)
The disk unit has the
xy0E00FF (where x is the same as the first character of the
same DSA as the IOP
xFFFFFFF IOA Unit Address and y is I/O bus 0, 1 or 2. Storage
controlling the Storage
IOA I/O buses begin with 0 and are numbered from the tailstock
IOA.
toward the middle of the card. Find the storage IOA with the
same DSA and xFFFFFFF address, then trace the I/O bus cable
to determine if the position is D13 or D19.)
Unit address
E507FFFF
200100FF
200200FF
200300FF
200400FF
200E00FF
200F00FF
200600FF
200700FF
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