User`s manual

3.3 Hardware Conﬁguration

Figure 3–1 Alpha PCI 64–275 Power Connectors

MK230633.S

J31

AlphaPC64 Board

Microprocessor

Alpha 21064A

J29

J27

J28

2 +5 V

3 +12 V

4 −12 V

5 Ground

6 Ground

1 Ground

2 Ground

3 −5 V

4 +5 V

5 +5 V

6 +5 V

p_dcok

J29

Pin Voltage/Signal

J31

Pin Voltage/Signal

1 +3.3 V

2 +3.3 V

3 +3.3 V

4 Ground

5 Ground

6 Ground

1 Ground

2 Ground

3 Ground

4 +3.3 V

5 +3.3 V

6 +3.3 V

J28

Pin Voltage/Signal

J27

Pin Voltage/Signal

7. Install the graphics card into either a PCI or ISA connector, depending on

the card you are using. Connect the graphics card to a compatible monitor,

following the graphics card manufacturer’s instructions.

8. Connect the keyboard cable to connector J33.

3–4 Starting and Using the Alpha PCI 64–275