NEC PowerMate V486 Series Service Manual page 84

3-18 Options
Figure Section 3-19 Locating Video DRAM Sockets in the Minitower
Install a video DRAM module as follows.
3.
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Locate the notched end of the video DRAM socket (see the following figure).
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Align the notched end of the module over the notched end socket.
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Carefully insert the video DRAM module into the socket. Using equal pres-
sure, gently press down until the module is fully seated in the socket.
CAUTION: Reduce static electricity by touch-
ing the metal frame of the system unit.