Baby Screamer LC Motherboard User's Guide
19
S t e p 7 C o n n e c t C a b l e s ,
S t e p 7 C o n n e c t C a b l e s ,
Continued
C o n n e c t t h e S p e a k e r C a b l e
C o n n e c t t h e S p e a k e r C a b l e
J7 is a four-pin single-inline berg that should be attached to the system speaker via a four-wire cable. Pin 1 on the motherboard is
labeled. The J7 pinout is:
Pin
Description
1
Data Out
2
Key
3
Ground
4
VCC
C o n n e c t t h e K e y b o a r d L o c k C o n n e c t o r
C o n n e c t t h e K e y b o a r d L o c k C o n n e c t o r
J14 is a five-pin single-inline berg that should be attached to the keyboard lock via a five-wire cable. This connector is keyed with a
blank hole.
Pin
Description
1
LED power
2
Key
3
Ground
4
Keyboard Lock
5
Ground
J 1 3 T u r b o L E D
J 1 3 T u r b o L E D
J13 is a two-pin berg that should be attached to the externally-mounted Turbo LED via a two-wire cable. The bipolar LED lights when
the board runs at high speed. Connect the Turbo LED to J13.
J 8 T u r b o S w i t c h
J 8 T u r b o S w i t c h
J8 is a two-pin berg that connects to a bipolar hardware speed selection switch on the chassis.