User Manual
05/18/04
IDE C
ONNECTOR
To use a keyed IDE cable (a cable with pin 20 blocked to prevent incorrect insertion) with the BCM91250A
board, you'll need to bend down pin 20. This is easily done with a small flat-head screwdriver after you have
located the pin. To find pin 20, count down the 2nd column (even column) in twos from pin 2 till you arrive at
pin 20.
This pin is approximately halfway down the connector on the right-hand side (see
pin down to the right until it is parallel to the board plane (in
this allows the IDE cable to properly seat on the connector while preventing the risk of shorting other
connectors on the board.
Document
91250A-UM100-R
(J35) P
20 R
IN
EWORK
Figure 6: IDE Connector (J35) Pin 20 Rework
B roadc om C or por ati on
Figure
Figure 6
that is near the text labeled "<-pin 20"),
BCM91250A
3). By bending the
Connectors
Page
13
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