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4-24 Dell Dimension XPS H233 and XPS H266 Systems Service Manual
Figure 4-25. Guide-Bracket Assembly Removal
To install a replacement system board, install the guide bracket assembly for the
SEC cartridge. The assembly is keyed for correct insertion (see Figure 4-25).
Then install the SEC cartridge and heat sink assembly. Transfer the SIMMs to
the new system board, and set the configuration jumpers to match the old sys-
tem board.
When installing the new system board in the computer, push the system board
against the back of the chassis so that the system board makes firm contact with
the I/O gasket to prevent EMI leakage.
CAUTION: Failure to install the system board exactly as described
may result in EMI leakage that could interfere with other electronic
devices.
captive nuts (4)
threaded posts (4)
guide bracket assembly
SEC cartridge connector (SLOT 1)
key