4–8 AlphaPC 164SX 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.

4.11 Enclosure Fan Power Connector Pinouts

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

1This pinout is ATX-compliant.
Table 4–9 SROM Test Data Input Connector Pinouts (J21)
Pin Signal Description
1NC —
2SROM_CLK_L Clock out
3Gnd —
4NC —
5TEST_SROM_D_L SROM serial data in
6NC —
Table 4–10 Input Power Connector Pinouts (J2)1
Pin Voltage Pin Voltage Pin Voltage Pin Voltage
1 +3.3 V dc 2 +3.3 V dc 3 Gnd 4+5 V dc
5Gnd 6+5 V dc 7Gnd 8P_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 (J16)
Pin Voltage
1Gnd
2 +12 V dc
3Gnd