Appendix C. Customer Replaceable Units (CRUs)
For your ThinkPad computer, the following parts are designated Customer Replaceable Unit (CRU) parts.
Listed below are the CRUs and the documentation where removal/replacement instructions are located.
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| Hardware |
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| Troubleshooting | Setup | Access | Maintenance | Online |
| Guide | Poster | IBM | Manual | Video |
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Tier 1 CRUs
Battery | X |
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| X | X | X |
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Hard disk drive | X |
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| X | X | X |
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Optical drive |
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| X | X | X |
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Ultrabay device |
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| X | X | X |
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Optional |
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| X |
| X | X | X |
Memory |
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AC adapter and |
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| X |
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power cord |
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Phone line cord |
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| X |
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TrackPoint cap |
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| X |
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| Tier 2 CRUs |
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Memory |
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| X | X | X |
(standard) |
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Keyboard |
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| X | X | X |
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Palm rest |
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| X | X | X |
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integrated with |
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touch pad and |
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Fingerprint |
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reader |
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| X | X | X | |
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Communication |
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| X | X | X |
Daughter Card |
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© Lenovo 2005. Portions © IBM Corp. 2005. | 77 |