Teledyne LeCroy TA700_800_850 User Manual - Manual (Page 191)

Troubleshooting Catalyst Enterprises, Inc.
177
A display with only two captured locations may be indicative of a BIOS that views
your card as transparent to the slot used and shuts off the clock to that slot.
To correct this condition go to your CMOS setup and check the options for “PCI clock
Enable/Disable” and disable the option.
Top Connector Live Power Rails
In cases where an external power supply is used for the TA700/800, but the power
supply is off, the host bus +12V and -12V rails on the top connector will be live. This
is a condition that happens for TA700 PCI Boards Revision C and above.
Recommendations:
1. Apply the external power prior to powering up the host bus.
2. Insert or remove your DUT from the top connector with no power applied to the
bus.