Position FRU name
Possible failing
component
Type, CCIN, or part number
(use the Type, model, and
part number list to determine
the part number when the
type or CCIN are given.)
Remove and
replace/recovery procedure
MB1 System unit
backplane
1. Service
processor
2. IOP
3. Card enclosure
or backplane
4. Clock card
5. SPCN card
6. HSL I/O bridge
7. System unit
backplane
8. HSL ring
connection
9. Multi-adapter
bridge (all)
282F (See page 526)
Note: Embedded IOP (type
284E) is exchanged with the
system unit backplane, 282F.
Go to Models 270, 800, and
810 - System unit backplane -
MB1
D01 to D06 Disk unit Disk unit See the Type, model, and part
number list.
Go to Recovery procedures.
D07 Optical device Optical device See the Type, model, and part
number list.
Go to Models 270, 800, and
810 - Removable media -
D07 and D08.
D08 Tape unit Tape unit See the Type, model, and part
number list.
Go to Models 270, 800, and
810 - Removable media -
D07 and D08.
P01 Power supply Power supply See Final assembly — Models
270, 800, and 810.
Go to Models 270, 800, and
810 - Power supply - P01
B01, B02 AMD Air moving device
(AMD)
See Final assembly — Models
270, 800, and 810 System Unit
Expansion.
Go to Models 270, 800, and
810 - AMD - B01 and B02
NB1 Control panel Control panel 247D (See page 523) Go to Models 270, 800, and
810 - Control panel - NB1
DB1, DB2,
DB3
Device board Device board See the Type, model, and part
number list.
Go to Models 270, 800, and
810 - Device board - DB1,
DB2, and DB3
M01 Memory Riser
Card
Memory Riser
Card
2884 (See page 527) Go to Models 270, 800, and
810 - Cards (dedicated)
M01
daughter
cards
Memory DIMM See Figure 1.
2884 Memory card
(See page 364) in
the Memory
locations and
placement rules
topic.
3022 (See page 528), 3024
(See page 528), 3025 (See
page 528), 3026 (See page
528), 3027 (See page 528),
3029 (See page 528)
Go to Models 270, 800, and
810 - Cards (dedicated)
M02 Processor card
1. Processsor
2. Network
Interface
Controller
(NIC)
24A0 (See page 523) (1-way)
24A2 (See page 523) (2-way)
25BD (See page 523) (2-way)
Go to Models 270, 800, and
810 - Cards (dedicated)
234 Hardware (Remove and Replace; Part Locations and Listings)