IBM SDMC Troubleshooting, Service, And Support page 19

Tier 1 CRU
A procedure that a customer can perform without input from a service provider. The
procedure used to service this type of component is usually required to be done by the
customer.
Tier 2 CRU
A procedure that a customer can perform, but might require support from a service provider.
The procedure used to service this component is not usually required to be done by the
customer.
3. If the part you are replacing is not identified as being either tier 1 or tier 2, call your service provider
to service the FRU.
Table 3. 7042-CR6 parts listing
Index Description
1 Top cover
2 Filler, PCI
3 PCI-X riser card assembly
®
4 PCI Express riser card, x16, assembly
5 Memory, 2 GB dual-rank DDR3 UDIMM
5 Memory, 4 GB dual-rank DDR3 UDIMM 1.35V
5 Memory, 2 GB single-rank DDR3-1333 RDIMM
5 Memory, 2 GB dual-rank DDR3-1333 RDIMM
5 Memory, 4 GB dual-rank DDR3-1333 RDIMM 1.35V (models C2x
and H2x)
5 Memory, 4 GB dual-rank DDR3-1333 RDIMM (models A2x, B2x,
D2x, G2x, F2x, J2x, M2x, and N2x)
5 Memory, 8 GB dual-rank RDIMM
5 Memory, 8 GB dual-rank PC3L-10600R-999 RDIMM 1.35V
5 Memory, 8 GB dual-rank PC3L-8500R-777 RDIMM 1.35V
5 Memory, 16 GB quad-rank PC3-8500R-777 RDIMM
6 Virtual media key
7 Power supply bay filler (models A2x, B2x, C2x, D2x, G2x, H2x, J2x,
M2x, and N2x)
8 Power supply, 675 Watt, ac
8 Power supply, 675 Watt, dc
9 Chassis assembly (without front bezel)
10 DVD-ROM drive
10 DVD-RW drive
11 Rack latch kit
12 Bezel, 8 hard disk bays
12 Bezel, 4 hard disk and 1 optical drive bays
13 Operator information panel assembly
14 Filler, hard disk drive bay
15 Hard disk drive, 2.5-inch simple-swap, 31.4 GB
16 Filler, EMC
17 Hard disk drive, 2.5-inch hot-swap, 73 GB, 10 K
Troubleshooting, service, and support using Systems Director Management Console
Tier 1 Tier 2 Part number
CRU CRU
59Y3927
59Y3969
43V7068
43V7066
44T1573
49Y1422
49Y1444
49Y1443
49Y1412
49Y1445
49Y1446
49Y1415
49Y1416
46C7489
46C7528
49Y4821
39Y7201
39Y7215
59Y3931
44W3254
44W3256
49Y4815
59Y3916
59Y3917
44E4372
59Y3925
43W7684
44T2248
43W7537
7