Measurement Computing DBK70 - Manual (Page 102)

2 1056-0902, rev 5.0 919092 DBK70 Firmware Upgrade Instructions
Upgrading your DBK70 firmware involves replacing PLCC chips on the DBK70’s main circuit board.
Chip part numbers are 1056-0300 and 1056-0301.
WARNING
Turn power off to the DBK70 and disconnect all devices before performing
the upgrade.
CAUTION
Components are sensitive to damage from electrostatic discharge. Perform
the setup in a static-free work area using tools, wrist strap, containers, and
procedures that are ESD-safe.
Note: All saved Channel Configurations will be lost and will have to be reset when the upgrade is
completed.
Preparation
1. Remove the DBK70 from power.
2. Remove the four screws from the chassis, two per side, that hold the cover plate in place.
The screws to be removed are the top inner screw of each corner bracket (“protective ear”).
See figure.
3. Remove the cover plate.
4. Locate PLCC sockets U8 and U9 (see figure).
U8 holds chip number 1056-0301.
U9 holds chip number 1056-0300.
Remove the upper inside screw
from each of the 4 brackets.
U8
U9