Replaceable server components
Replaceable components are of three types:
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for
the installation.
v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or
request IBM to install it, at no additional charge, under the type of warranty
service that is designated for your server.
v Field replaceable unit (FRU): FRUs must be installed only by trained service
technicians.
For
information about the terms of the warranty and getting service and assistance,
see the Warranty and Support Information document.
Table 4. Parts listing, Type 7978 and 1913
Index Description
CRU part
number
(Tier 1)
CRU part
number
(Tier 2)
FRU part
number
1 Top cover assembly 43W0609
2 Heatsink assembly 39Y9423
3 Air baffles 39Y9420
4 Memory, 512 MB PC2-5300 ECC (all except C1x) 39M5781
4 Memory, 1 GB PC2-5300 ECC (model C1x) 39M5784
4 Memory, 2 GB PC2-5300 ECC (optional) 39M5790
4 Memory, 4 GB PC2-5300 ECC (optional) 39M5796
5 ServeRAID 8k card with battery (all except 46x, G6x) 25R8079
5 ServeRAID 8 k-l card (optional) 25R8076
6 PCI-X riser card (optional) 39Y9545
7 PCI Express riser card 32R2883
8 Planar, SATA (models 22x, 32x, 42x, 46x, G6x) 42D3639
8 Planar, SATA (optional) 42D3805
8 Planar, SAS (models 21x, 31x, 3Ax, 41x, 45x, 4Ax, 4Sx,
51x, 5Ax, 61x, 6Ax, 71x, 7Ax, G5x)
42D3638
8 Planar, SAS (models A1x, C1x) 42D3804
9 Power supply, 670 W 39Y7189
9 Power supply, -48 V (optional) 39Y7186
10 Power supply filler panel 39Y9420
11 Chassis assembly 39Y9522
12 Fan assembly unit (dual-fans) 26K8083
13 CD-RW/DVD combo drive 39M3541
14 Operator information panel assembly 43W0625
15 Hot-swap filler panel, 2.5-inch (model 4Sx) 26K8680
16 Hard disk drive, 2.5-inch, HS varies
17 Hot-swap SAS hard disk drive cage, 2.5-inch (model 4Sx) 32R2822
90 IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide
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