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POWER_1	Main power input connector
POWER_2	3.3-V power input connector
RISER	Riser board connector
SERIALn	Serial port connectors
SLOT1	Pentium II processor SEC cartridge connector
TAPI	Telephony connector
USB	USB connectors
VIDEO_UPGRADE	Video-memory upgrade socket

NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in your

online System User’s Guide.

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Your Dell computer has a removable expansion-card cage, which greatly simplifies many installation procedures by allowing you to remove the riser board and all installed expansion cards in a single step.

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Use the following procedure to remove the expansion-card cage:

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5-12 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide