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 Heat sink assembly 39Y9423
3 Air baffles 39Y9420
4 Memory, 512 MB PC2-5300 ECC (all except models A2x,
C1x, C2x, C3x, C4x, CBx, CCx, CDx, JAx, JBx)
39M5781
4 Memory, 1 GB PC2-5300 ECC (models A2x, B1x, B3x,
B4x, B5x, B6x, B7x, BAx, BCx, BDx, BEx, BFx, BGx, C1x,
C2x, C3x, C4x, CBx, CCx, CDx, JAx, JBx, LBx, MAx)
39M5784
4 Memory, 1 GB DDR2-667 PC2-5300 555 F (models 82x,
8Bx)
46C7421
4 Memory, 2 GB PC2-5300 ECC (optional) 39M5790
4 Memory, 2 GB DDR2-667 PC2-5300 555 F (optional) 46C7422
4 Memory, 4 GB PC2-5300 ECC (optional) 41Y2845
4 Memory, 4 GB PC2-5300-555 ECC (optional) 44E4402
4 Memory, 4GB DDR2-667 PC2-5300 555 F (optional) 46C7423
5 ServeRAID 8 k-l card (all except models 46x, G6x) 25R8079
5 ServeRAID 8 with battery card (optional) 25R8076
6 PCI-X riser card (optional) 39Y9545
7 PCI Express riser card 32R2883
8 System board, SATA (models 22x, 32x, 42x, 46x, CCx,
D6x, F6x, G6x)
46M7149
8 System board, SAS (models 21x, 25x, 2Sx, 31x, 35x, 3Ax,
3Sx, 41x, 45x, 4Ax, 4Sx, 4Ux, 51x, 5Ax, 61x, 6Ax, 71x,
7Ax, 82x, 8Bx, A1x, A2x, AAx, ABx, B1x, B3x, B4x, B5x,
B6x, B7x, B9x, BAx, BCx, BDx, BEx, BFx, BGx, BJx, C1x,
C2x, C3x, C4x, C5x, CAx, CBx, CDx, CSx, D5x, DSx, F5x,
FSx, G5x, GSx, H5x, HSx, JAx, JBx, L2x, LBx, M1x, MAx)
B1x BAx B3x BCx B4x BDx B5x BEx B6x BFx B7x BGx
B9x BJx 82x 8Bx M1x MAx L2x LBx (alt) A1x C1x A2x C2x
CBx JAx JBx C3x C4x CDx 45x 4Sx G5x 21x 31x 3Ax 41x
4Ax 51x 5Ax 61x 6Ax 71x 7Ax/45X 4SX
46M7150
30 IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide
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