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S
UPER PIIISCA/PIIISCD/PIIISCE/370SC3/370SCI/370SCD User's Manual
CD Headers
There are two CD headers of dif-
ferent sizes on the motherboard to
enable audio CD playback.
nect an audio cable from your CD
player to whichever header fits
your cable's connector.
Table 2-13 for pin definitions.
Overheat LED (JOH)
Connect an LED to the JOH header
to provide advanced warning of
chassis overheating.
Table 2-14 for pin definitions.
Chassis Intrusion
The Chassis Intrusion header is lo-
cated on JL1. See the board layouts
in Chapter 1 for its location. See
Table 2-15 for pin definitions.
SLED (SCSI LED) Header
(370SC3 only)
The SLED header is used to pro-
vide an LED indication of SCSI ac-
tivity. Refer to Table 2-16 for con-
necting the SCSI LED.
Audio CD Header Pin Definitions
Con-
Refer to
Refer to
2-10
Table 2-13
(CD, CD_1)
Pin
N u m b e r
Definition
1
Right Stereo Signal
2
G r o u n d
3
G r o u n d
4
Left Stereo Signal
Table 2-14
Overheat LED
Pin Definitions (JOH)
Pin
N u m b e r
Definition
1
1 2 V D C
2
OH Active
Table 2-15
Chassis Intrusion
Pin Definitions (JL1)
Pin
N u m b e r
Definition
1
Intrusion Input
2
G r o u n d
Table 2-16
SLED Pin Definitions
Pin
N u m b e r
Definition
1
Positive
2
Negative
3
Negative
4
Positive
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