NOTES: - FRU part numbers identified in the CRU column with an asterisk are customer replaceable units.
- Your 4 digit Type and 3 digit Model numbers can be found on the bottom of your system, next to the bar code label.
- The 100MHz memory options will only work with the specified systems.
- The 66MHz memory options will NOT work with the systems that require 100MHz.
The following systems ship with and require 66MHz memory:
| Type | Model | | 2611 | All models | | 2621 | 420, 421, 424, 425, 427, 42A, 42F, 42M, 42P, 42S, 42U, 42X, 43J, 441, 445, 447, 448, 44C, 44H, 44K, 44S, 44T, 44X, 460, 464, 465, 467, 46A, 46C, 46F, 46H, 46K, 46M, 46P, 46S, 46T, .46U, 46X, 480, 484, 487, 48A, 48C, 48F, 48H, 48K, 48M, 48P, 48S, 48T, 48U, 48X, 4AA, 4AF, 4AM, 4AP, 4AS, 4AX, 4BA, 4BC, 4BF, 4BH, 4BK, 4BP, 4BS, 4BT, 4BX, 4BY, 4CA, 4CC, 4CF, 4CH, 4CK, 4CM, 4CT, RR3, RR4, RR5, | | 2621 | 540, 541, 547, 548, 560, 567 |
| Memory options | Option part number | FRU part number | CRU | Important information | | 32 MB SDRAM SO-DIMM | 76H0294 | 42H2819 | * | Non-Parity - 66MHz | | 64MB SDRAM SO-DIMM | 20L0241 | 20L0242 | * | Non-Parity - 66MHz | | 128MB SDRAM SO-DIMM | 01K1150 | 01K1153 | * | Non-Parity - 66MHz |
The following systems ship with and require 100MHz memory.
| Type | Model | | 2621 | 422, 429, 442, 482, 483, 486, 489, 492, 496, 499, 49A, 49C, 49F, 49H, 49K, 49M, 49T, 4E2, 4EA, 4EF, 4EM, 4EP, 4ES, 4EX, 4FC, 4FF, 4FH, 4FK, 4FP, 4FS, 4FT, 4FX, 4GA, 4GC, 4GF, 4GH, 4GK, 4GM, 4GP, 4GS, 4GT, 4GX | | 2651 | 542, 549, 54G, 562, 569, 56G, 592, 5FF |
| Memory options | Option part number | FRU part number | CRU | Important information | | 32 MB SDRAM SO-DIMM | 20L0253 | 20L0263 | * | Non-Parity - 100MHz | | 64 MB SDRAM SO-DIMM | 20L0254 | 20L0264 | * | Non-Parity - 100MHz | | 128 MB SDRAM SO-DIMM | 20L0255 | 20L0265 | * | Non-Parity - 100MHz | | 256 MB SDRAM SO-DIMM | 33L3069 | 33L3070 | * | Non-Parity - 100MHz |
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