Digital Equipment AXPpci 33, Design Manual

Page: 36 / 98

Physical Description
Table 2–17 (Cont.) SIMM Connector Pin-Outs (J2–J5)
Pin
Number
Function
Pin
Number
Function
21 Data 57 Data
22 Data 58 Data
23 Data 59 +5 V
24 Data 60 Data
25 Data 61 Data
26 Data 62 Data
27 Data 63 Data
28 A7 64 Data
29 A11 65 Data
30 +5 V 66 No connection
31 A8 67 No connection
32 A9 68 No connection
33 RAS 69 No connection
34 RAS 70 No connection
35 Data 71 No connection
36 Data 72 Ground
2.2.2.18 Speaker Connector (J10)
The speaker uses a 4-position (1 x 4) connector (J10). The drive circuit is
designed for a 4–16 ohm dynamic speaker. Available audio power is
109 MW into an 8 ohm speaker.
Table 2–18 lists the pin numbers and functions of the speaker connector.
Table 2–18 Speaker Connector Pin-Out (J10)
Pin Number Function
1 Speaker output
2 No pin installed
3 No connection
4 +5 V
Figure 2–8 shows the speaker circuit.
2–18