JETWAY 993AN User Manual page 16

11. Turbo LED switch: TBLED
The mainboard's turbo function is always on. The turbo LED will remain constantly lit while
the system power is on. You may wish to connect the Power LED from the system case to
this lead. See the figure below.
12. Reset switch lead: RST
This 2-pin connector connects to the case-mounted reset switch for rebooting your computer
without having to turn off your power switch. This is a preferred method of rebooting in order
to prolong the life of the system's power supply. See the figure below.
13. Keyboard lock switch lead: KEYLOCK
This 5-pin connector connects to the case-mounted key switch for locking the keyboard for
security purposes. See the figure below.
14. Speaker connector: SPEAKER
This 4-pins connector connects to the case-mounted speaker. See the figure below.
15. IR infrared module connector: IR1
This connector supports the optional wireless transmitting and receiving infrared module.
This module mounts to small opening on system cases that support this feature you must
also configure the setting through BIOS setup. Use the four pins as shown on the Back View
and connect a ribbon cable from the module to the mainboard according to the pin definitions.
SMI
SMI Switch
VCC
Turbo SW
GND
VCC
Power LED
NC
GND
Lock
GND
Keyboard
System Case Connections
IR 1
SIR
IR Infrared Module Connector
GND
Turbo LED
Reset SW
GND
NC
Speaker
GND
VCC
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