CP690HS
Configuration
ID 20955, Rev. 05
Page 4 - 3
P R E L I M I N A R Y
4.
Configuration
4.1
Jumper Settings
The secondary side of the PCI-to-PCI bridge (the PMC side) may be configured either for a
3.3V or a 5V signalling environment. Configuration is effected by setting the jumpers (zero ohm
resistors) R72 or R71.
Figure 4-1:
Jumpers on the CP690HS
The default setting is indicated by using italic bold.
Table 4-1:
Jumpers Settings
R72
R71
DESCRIPTION
Closed
Open
3.3V signalling
Open
Closed
5V signalling
Warning!
No other jumper settings are permitted as serious damage or misoperation will
result.
Warning!
The PMC coding key must be set according to the chosen PMC voltage.
Care must be taken to ensure correct voltage configuration. Using an incorrect
signalling voltage may damage the PMC module.
J5
1
2
64
1
2
63
64
1
2
1
2
R71
R72
3.3V
5V
Содержание CP690HS
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