Specifications

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2-10. RESET SWITCH (RST)
1. RS
2. GND
2-11. HDD LED Header (HDL)
1. VCC
2. HD LED
2-12. POWER LED & KEYLOCK CONNECTOR (PLKL)
AR-B1684 serial doesn’t keyboard control function. That’s because VT82C686B sourth bridge
doesn’t provide this function.
1. PWLED
2. X
3. GND
4. KLOCK
5. GND
2-13. IR CONNECTOR (IR)
1. +5V
2. NC
3. RX
4. GND
5. TX