LSI LSIU40SE Value Line, User Manual

Page: 41 / 82

Detailed Installation Procedure 2-25
Figure 2.18 Termination Override Switch Settings for U1 and U2
1
2
3
4
Default setting. Autotermination will
NO
1
2
3
4
NO
Simulates a device on the Internal 50 pin
connector. Use this switch only when a
device is connected to the internal 50 pin
connector that does not ground pin-22,
like another LSI Logic host adapter.
1-INT50
1
2
3
4
NO
Simulates a device on the Internal 68 pin
connector. Use this switch only when a
device is connected to the internal 68 pin
connector that does not ground pin-50,
like another LSI Logic host adapter.
2-INT68
1
2
3
4
NO
Forces termination ON the upper data
lines. Use this switch when a narrow 8-bit
device is connected to one of the 68 pin
connectors.
3-UPPER TERM
1
2
3
4
NO
Simulates a device on the External 68 pin
connector. Use this switch only when a
device is connected to the external 68 pin
connector that does not ground pin-50,
like another LSI Logic host adapter.
4-EXT68
work as designed.