User Manual

Installation
Page 24 MDE-4199 Contactless Smart Card Retrofit Kit M05205K00X Installation Manual • January 2005
Perform the following procedures to upgrade CRIND BIOS. This upgrade is initiated by
installing the U7 EPROM Integrated Circuit (IC), one per logic board, on CRIND logic
board(s) T17764-XX according to the following steps.
1 Locate the CRIND tray (Figure 16) inside the unit and pull the tray forward to expose the
CRIND Z180 Logic PCA (Figure 17).
Figure 16: Exposed CRIND Tray
2
Locate and remove existing EPROM IC at U7 (Figure 17) on CRIND logic board T17764-XX
using a grounded chip removal tool (Digikey K158-ND or equivalent, Figure 18).
A properly grounded ESD wrist strap must be worn during this procedure. Failure to use
electrostatic precautions may damage electronic components and void warranty.
CAUTION
Side A CRIND Logic PCA
Side B CRIND Logic PCA