Intergraph InterServe 800 SL System Reference Manual page 44

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You can upgrade to dual processors in the following ways:
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You can purchase a single-to-dual processor upgrade kit from Intergraph Computer
Systems. The kit contains all the hardware, software, and documentation required to
perform the upgrade.
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You can purchase a second processor from another vendor.
After completing the hardware upgrade, you must also upgrade to a multi-processor version
of Windows NT. You can upgrade the operating system in the following ways:
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You can purchase the Intergraph upgrade kit mentioned previously. The kit contains all
the hardware, software, and documentation required to perform the upgrade.
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If you have or purchase a Windows NT 4.0 Workstation Resource Kit (ISBN 1-57231-
343-9), you can use software on the kit's CD-ROM to upgrade Windows NT 4.0. The
files required for the upgrade are
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While not recommended by Intergraph Computer Systems, you can back up all critical
system data, install the second processor, and reinstall Windows NT 4.0 to load the
required multi-processor Hardware Abstraction Layer (HAL).
To install a single-to-dual processor upgrade:
1. Remove the secondary processor terminator card from the secondary processor slot, as
shown in the following figure.
Secondary processor
terminator card
2. Orient the processor module so that the heat sink fins or cooling fan points toward the
DIMM sockets, and then insert the module into the open socket of the retension module.
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