Dell OPTI PLEX GX1, Service Manual

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System Overview 1-17
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The three DIMM sockets on the system board can accommodate combina-
tions of 32-, 64-, and 128-MB DIMMs up to a total memory capacity of
384 MB. Main memory can have either 72-bit parity (ECC) DIMMs or 64-bit
nonparity DIMMs.
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On the OptiPlex GX1 and OptiPlex NX1 systems, you can upgrade video mem-
ory from 4 to 8 MB by installing an optional video-memory upgrade module in
the video-memory upgrade socket on the system board. Adding video memory
increases the system’s video performance and provides additional modes for
high-resolution/expanded color applications. The OptiPlex GX1p system comes
with 8 MB standard.
NOTE: See the online System User’s Guide or Chapter 6, “Installing System
Board Options,” in the Reference and Installation Guide for additional upgrade
information.
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The following subsections provide service-related information about the com-
puter. Unless otherwise specified, the information applies to all chassis
configurations.
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Dell OptiPlex GX1/GX1p computers are shipped with an online System User’s
Guide (located in the
Dell Accessories folder) that provides additional hard-
ware and software installation, configuration information, and Dell contact
information.