Lenovo ThinkCentre A50 Hardware Maintenance Manual - Page 111
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Chapter 9. FRU lists Note: A CRU (Customer Replaceable Unit) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column. An N in the CRU ID Column means that the part is not a CRU. A single asterisk (*) means that the part is a Tier 1 CRU; two asterisks (**) mean that the part is a Tier 2 CRU. Machine Type 8086 1 2 3 4 5 6 13 7 9 8 10 12 11 Item # 8086 FRUs 1 Top Cover (all models) 2 PCI riser card and bracket assembly (all models) FRU# 89P6782 89P6790 CRU * * © Lenovo 2005, 2008. Portions © IBM Corp. 2005. 105
Chapter
9.
FRU
lists
Note:
A
CRU
(Customer
Replaceable
Unit)
is
identified
by
a
single
asterisk
(*)
or
two
asterisks
(**)
in
the
CRU
ID
column.
An
N
in
the
CRU
ID
Column
means
that
the
part
is
not
a
CRU.
A
single
asterisk
(*)
means
that
the
part
is
a
Tier
1
CRU;
two
asterisks
(**)
mean
that
the
part
is
a
Tier
2
CRU.
Machine
Type
8086
1
2
3
4
5
6
8
7
9
10
11
12
13
Item
#
8086
FRUs
FRU#
CRU
1
Top
Cover
(all
models)
89P6782
*
2
PCI
riser
card
and
bracket
assembly
(all
models)
89P6790
*
©
Lenovo
2005,
2008.
Portions
©
IBM
Corp.
2005.
105