Section 3 Options; Internal Options - NEC POWERMATE 4100M Service Manual

Section 3
Options
This section provides installation instructions for installing the OverDrive processor, SIMM
memory, secondary cache, video DRAM module, video cache chip, 5 1/4-inch devices, and
a monitor option. All options except for the monitor require that the system unit top cover
be removed. When installing the monitor, turn to the "NEC SVGA Monitor" subsection.

INTERNAL OPTIONS

All internal options require the top cover to be removed. When disassembling the system
unit for option installation, follow these general rules.
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Disconnect all peripherals.
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When handling boards or chips, touch the system unit frame to discharge static.
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Do not disassemble parts other than those specified in the procedure.
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All screws are Phillips-head, unless otherwise specified.
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Label any removed connectors. Note where the connector goes and in what posi-
tion it was installed.
WARNING: Unplug the power cord before dis-
assembling the system unit. Voltage is present in-
side the system unit even after the power switch
is turned off. All voltage is removed only when
the power cord is unplugged.