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Memory options - ThinkPad A31/p, G40, G41, R32, R40/e, R50/e/p, R51, T30, T40/p, T41/p, T42/p, X31, X40
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The memory options listed here are for the following ThinkPad systems. (Each system name contains a link to instructions for installing and removing the memory.)
Visit the Memory compatibility document for more information about the amount and speed of memory for each system.
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Notes:
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PC2700 memory options are supported by the following ThinkPad systems:
- G41, R50, R50e, R50p, R51, T40, T40p, T41, T41p, T42, T42p, and X40
- Systems that support PC2100 memory
- The ThinkPad R50e and T40 systems will run PC2700 memory at 266MHz
- All PC2700 memory is 333MHz Double Data Rate (DDR) Synchronous DRAM (SDRAM), front side bus clock frequency 400MHz, non-parity, 200-pin SODIMM, with gold-plated leads
- If the memory modules are mixed (for example, using both PC 2100 and PC 2700) or the system supports only PC2100 memory, then the system memory will run at 266MHz.
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| ThinkPad 128MB CL2.5 DDR SDRAM SO DIMM |
31P9828 |
31P9829 |
Yes |
| ThinkPad 256MB CL2.5 DDR SDRAM SO DIMM |
31P9830 |
31P9831 |
Yes |
| ThinkPad 512MB CL2.5 DDR SDRAM SO DIMM |
31P9832 |
31P9833 |
Yes |
ThinkPad 1GB CL2.5 DDR SDRAM SO DIMM
Note: Only supported with the following ThinkPad systems:
- G41
- R50, R50e, R50p, R51
- T40, T40p, T41, T41p, T42, T42p
- X40
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31P9834 |
31P9835 |
Yes |
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Notes:
- PC2100 memory options are no longer available. Please substitute the corresponding PC2700 memory option parts.
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PC2100 memory options are suppoted by the following ThinkPad systems:
- A31, A31p, G40, R32, R40, R40e, T30, T40, T40p, X31
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PC2100 memory options are not supported by the following ThinkPad systems:
- All PC2100 memory is 266MHz Double Data Rate (DDR) Synchronous DRAM (SDRAM), front side bus clock frequency 133MHz x 2, non-parity, 200-pin SODIMM, with gold-plated leads
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| ThinkPad 128MB CL2.5 DDR SDRAM SO DIMM |
10K0028 |
10K0029 |
Yes |
| ThinkPad 256MB CL2.5 DDR SDRAM SO DIMM |
10K0030 |
10K0031 |
Yes |
| ThinkPad 512MB CL2.5 DDR SDRAM SO DIMM |
10K0032 |
10K0033 |
Yes |
ThinkPad 1GB CL2.5 DDR SDRAM SO DIMM
Note: Only supported with the following ThinkPad systems:
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10K0034 |
10K0035 |
Yes |
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| Applicable countries and regions |
| Worldwide |
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| Document id: MIGR-41751 |
| Last modified: 2006-03-22 |
| Copyright © 2009 IBM Corporation |
| Copyright © Lenovo 2009, all rights reserved |
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