Compaq AlphaPC 164LX User Manual download pdf (Page 31)

AlphaPC 164LX Connector Pinouts 4–9

Speaker Connector Pinouts

4.12 Speaker Connector Pinouts

Table 4–12 shows the speaker connector pinouts.

4.13 Microprocessor Fan Power Connector Pinouts

Table 4–13 shows the microprocessor fan power connector pinouts.

Table 4–12 Speaker Connector Pinouts (J20)

Pin Signal Name

1 SPKR Speaker output

2 Gnd —

3 Gnd —

4 Gnd —

Table 4–13 Microprocessor Fan Power Connector Pinouts (J18)

Pin Signal Name

1 +12 V dc —

2 FAN_CONN_L Fan connected

3 Gnd —

4.14 Power LED Connector Pinouts

Table 4–14 shows the power LED connector pinouts.

Table 4–14 Power LED Connector Pinouts (J24)

Pin Signal Name

1 POWER_LED_L Power LED input

2 Gnd —

3NC —

4NC —

5NC —

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 81 82

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Compaq AlphaPC 164LX User Manual Page 31