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System Configuration and Connectors 2–13
AlphaPC 164SX Connector Pinouts
2.7.9 SROM Test Data Input Connector Pinouts
Table 2–10 shows the SROM test data input connector pinouts.
2.7.10 Input Power Connector Pinouts
Table 2–11 shows the input power connector pinouts.
2.7.11 Enclosure Fan Power Connector Pinouts
Table 2–12 shows the enclosure fan power connector pinouts.
1
This pinout is ATX-compliant.
Table 2–10 SROM Test Data Input Connector Pinouts (J21)
Pin Signal Description
1NC —
2SROM_CLK_L Clock out
3 Gnd —
4NC —
5TEST_SROM_D_L SROM serial data in
6NC —
Table 2–11 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 dc7 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 2–12 Enclosure Fan (+12 V dc) Power Connector Pinouts (J16)
Pin Voltage
1 Gnd
2 +12 V dc
3 Gnd