AlphaPC 164LX Connector Pinouts 4–9
Speaker Connector Pinouts
4.12 Speaker Connector PinoutsTable 4–12 shows the speaker connector pinouts.
4.13 Microprocessor Fan Power Connector PinoutsTable 4–13 shows the microprocessor fan power connector pinouts.
Table 4–12 Speaker Connector Pinouts (J20)
Pin Signal Name
1SPKR Speaker output
2Gnd —
3Gnd —
4Gnd —
Table 4–13 Microprocessor Fan Power Connector Pinouts (J18)
Pin Signal Name
1 +12 V dc —
2FAN_CONN_L Fan connected
3Gnd —
4.14 Power LED Connector PinoutsTable 4–14 shows the power LED connector pinouts.
Table 4–14 Power LED Connector Pinouts (J24)
Pin Signal Name
1POWER_LED_L Power LED input
2Gnd —
3NC —
4NC —
5NC —