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Chapter 1 Hardware Installation 23
Step 9 Attach Cables, Continued
J41 Keyboard Lock J41 is a 5-pin single-inline berg that is attached via a cable to the keyboard
lock connector (or separate keyboard lock and Power LED connectors). The
computer chassis may not include the keyboard lock and Power LED on a
single connector. The keyboard lock allows the user to lock the keyboard,
protecting the system from unauthorized use. Pin 1 on the motherboard is
identified by the broad arrow.
Pin Description
1 VCC
2 Ground
3 Ground
4 Keyboard Lock (KBDINH)
5 Ground
J33 Turbo LED J33 is a 2-pin berg that is attached via a cable to the externally-mounted bipolar
Turbo LED. The LED lights when the motherboard is running at high speed.
J38 IDE LED J38 is a two-pin berg that is attached via a cable to the externally-mounted IDE
Activity LED. This LED lights when the IDE drive is running.
Warning
In some IDE drives, you may have to disable the
IDE LED mounted on the drive by changing a
jumper or setting a switch on the IDE drive itself,
before the IDE drive sends a signal to J34.
Cont’d