User`s manual

4–8 AlphaPC 164LX Connector Pinouts

SROM Test Data Input Connector Pinouts

4.9 SROM Test Data Input Connector Pinouts

Table 4–9 shows the SROM test data input connector pinouts.

4.10 Input Power Connector Pinouts

Table 4–10 shows the input power connector pinouts.

This pinout is ATX-compliant.

4.11 Enclosure Fan Power Connector Pinouts

Table 4–11 shows the enclosure fan power connector pinouts.

Table 4–9 SROM Test Data Input Connector Pinouts (J29)

Pin Signal Name

1NC —

2SROM_CLK_L Clock out

3 Gnd —

4NC —

5TEST_SROM_D_L SROM serial data in

6NC —

Table 4–10 Input Power Connector Pinouts (J3)

Pin Voltage Pin Voltage Pin Voltage Pin Voltage

1 +3.3 V dc 2 +3.3 V dc 3 Gnd 4 +5 V dc

5 Gnd 6 +5 V dc 7 Gnd 8 P_DCOK

9 5 V SB 10 +12 V dc 11 +3.3 V dc 12 –12 V dc

13 Gnd 14 PS_ON 15 Gnd 16 Gnd

17 Gnd 18 –5 V dc 19 +5 V dc 20 +5 V dc

Table 4–11 Enclosure Fan (+12 V dc) Power Connector Pinouts (J2, J19)

Pin Voltage

1 Gnd

2 +12 V dc

3 Gnd