User`s guide

ManualsBrandsDigital Equipment Corporation ManualsComputer equipmentDigital Semiconductor 21164 Alpha Microprocessor

2.1 Conﬁguration Jumpers

Figure 2–2 Conﬁguration Jumpers

J1

irq3

1

2

3

index22

index21

index20

J17

J16

J15

MK−2306−04

BC_SIZE<2>

BC_SIZE<1>

BC_SIZE<0>

BC_SPEED<2>

BC_SPEED<1>

BC_SPEED<0>

Mini−Debugger

BOOT_OPTION

BC_RD_FAST

Reserved

Reserved

irq0

irq1

irq2

Reserved

Reserved

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

J14

Flash ROM

1

2

3

1

2

3

1

2

3

Write Protect/

Write Enable

Reserved

Reserved

CONF4

CONF5

CONF6

CONF7

CONF8

CONF9

CONF10

CONF11

CONF12

CONF13

CONF14

CONF15

Reserved

System Conﬁguration and Connectors 2–3