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Memory accessories - ThinkPad A2*, A30/p, R3*, T2*, X2*, X30

Note: PC 133 memory options are supported on the following systems:

  • ThinkPad A30 and A30p systems
  • ThinkPad R30 and R31 systems
  • ThinkPad T23 systems
  • ThinkPad X22, X23, X24 and X30 systems
Visit the Memory compatibility document for more information about the amount and speed of memory for each system.

PC 133 Memory optionsOption part numberField replacement unit (FRU) part numberCustomer replaceable unit (CRU)Additional information
ThinkPad 64MB SDRAM SO DIMM19K465019K4651Yes3.3 Volt, 144-pin, non-parity, 64-bit, 133 MHz SDRAM memory
ThinkPad 128MB SDRAM SO DIMM19K465219K4653Yes3.3 Volt, 144-pin, non-parity, 64-bit, 133 MHz SDRAM memory
ThinkPad 256MB SDRAM SO DIMM19K465419K4655Yes3.3 Volt, 144-pin, non-parity, 64-bit, 133 MHz SDRAM memory
ThinkPad 512MB SDRAM SO DIMM19K465619K4657Yes3.3 Volt, 144-pin, non-parity, 64-bit, 133 MHz SDRAM memory


Note: PC 100 memory options are supported on the following systems:

  • ThinkPad A20m, A20p, A21e, A21m, A21p, A22e, A22m, and A22p systems
  • ThinkPad T20, T21, and T22 systems
  • ThinkPad X20, and X21 systems
PC 100 Memory optionsOption part numberFRU part numberCRUAdditional information
ThinkPad 64MB SDRAM SO DIMM20L025420L0264Yes3.3 Volt, 144-pin, non-parity, 64-bit, 100 MHz SDRAM memory
ThinkPad 128MB SDRAM SO DIMM20L025520L0265Yes3.3 Volt, 144-pin, non-parity, 64-bit, 100 MHz SDRAM memory
ThinkPad 256MB SDRAM SO DIMM
Note: Not supported on ThinkPad A21e (2628, 2655) and A22e (Intel Celeron) systems.
33L306933L3070Yes3.3 Volt, 144-pin, non-parity, 64-bit, 100 MHz SDRAM memory

For instructions on how to remove and install memory, click the appropriate machine:
ThinkPad A2* memory removal
ThinkPad T2* memory removal
ThinkPad X2* memory removal
ThinkPad X30 memory removal

 

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Document ID : PD012217
Legacy Document ID : MIGR-4NVU4N
Last Updated :
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