Microprocessor Upgrade Installation Guide
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...Guide 1-1 To take advantage of future options in speed and functionality, you add or replace a microprocessor, check the latest system BIOS information on the system board, other ZIF sockets might be the same speed as the primary microprocessor. The following items are contained... socket. The following subsection describes how to the ZIF socket for the primary microprocessor on the Dell Support website at support.dell.com, and upgrade the BIOS if necessary. In addition to install or replace the microprocessor in your Installation and Troubleshooting Guide).
...Guide 1-1 To take advantage of future options in speed and functionality, you add or replace a microprocessor, check the latest system BIOS information on the system board, other ZIF sockets might be the same speed as the primary microprocessor. The following items are contained... socket. The following subsection describes how to the ZIF socket for the primary microprocessor on the Dell Support website at support.dell.com, and upgrade the BIOS if necessary. In addition to install or replace the microprocessor in your Installation and Troubleshooting Guide).