Replaceable server componentsReplaceable components are of three types:v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is yourresponsibility. If IBM installs a Tier 1 CRU at your request, you will be charged forthe installation.v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself orrequest IBM to install it, at no additional charge, under the type of warrantyservice that is designated for your server.v Field replaceable unit (FRU): FRUs must be installed only by trained servicetechnicians.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 8872 and 8874Index DescriptionCRU partnumber(Tier 1)CRU partnumber(Tier 2)FRU partnumber1 Cover 42C12842 Low-profile adapter varies3 Riser card 42C12784 3/4-length adapter varies5 SAS/SATA controller card (hot-swap models) (models 44x,52x, 54x, 62x, 64x 4Dx, 5Bx, 5Dx 6Bx, 6Dx)42C12796 System board assembly 42C12767 SAS/SATA backplane, 3.5-inch drives (hot-swap models)(models 44x, 52x, 62x 4Dx, 5Bx, 6Bx)39M43498 SATA simple-swap hard disk drive back plate, 3.5-inchdrives (models 12x, 22x, 42x, 1Bx, 2Bx, 4Bx)39M43479 Power supply, 351 W 39Y728910 SAS/SATA backplane, 2.5-inch drives (hot-swap models)(models 54x, 64x 5Dx, 6Dx)39Y954111 Drive cage, 2.5-inch (models 54x, 64x, 5Dx, 6Dx) 42C128712 Hard disk drive, 2.5-inch, 36 GB, 10K, HS SAS (optional) 39R736412 Hard disk drive, 2.5-inch, 73 GB, 10K, HS SAS (optional) 39R736613 Hot-swap SAS filler panel, 2.5-inch (models 54x, 64x,5Dx, 6Dx)26K868014 Fan (40 mm) 39M432215 Drive cage, 3.5-inch (models 12x, 22x, 42x, 44x,52x, 62x1Bx, 2Bx, 4Bx, 4Dx, 5Bx,6Bx)42C128616 Bracket ear 39M435117 Hard disk drive, 3.5-inch, 73 GB, 10K, HS SAS (optional) 39R734017 Hard disk drive, 3.5-inch, 146 GB, 10K, HS SAS (optional) 39R734217 Hard disk drive, 3.5-inch, 300 GB, 10K, HS SAS (optional) 39R734417 Hard disk drive, 3.5-inch, 36 GB, 15K, HS SAS (optional) 39R734617 Hard disk drive, 3.5-inch, 73 GB, 15K, HS SAS (optional) 39R734817 Hard disk drive, 3.5-inch, 146 GB, 15K, HS SAS (optional) 39R735060 IBM System x3250 Types 4364 and 4365: Problem Determination and Service Guide
