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The
printed circuit board looks different in different models. In
each case it is attached to the bottom of the housing by two
screws [Fig. 6]. Remove the screws and slide the PCB off two
small side locks [Fig 7].

Fig. 6 Screws |

Fig. 7 PCB tab |
A
note about the WRT54G reset button.
There
are reports that the reset button retains some level of operation
even when the router is powered off. I highly doubt this but
on this particular WRT54GL I accidentally reset the unit while
installing a fan. This has probably happened while I had the
opened router powered up. It is easy to bump the reset button
if you are not careful. So, before you even open the router
take an extra step and back up your firmware adjustments.
Take a note of the default IP address (probably 192.168.1.1)
and the default user name and password (on DD-WRT "root"
and "admin"). If you reset the router all settings
will revert to default.
1,
2,
3
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