Intergraph TDZ-400 Deskside, Setup And Maintenance Manual, Page: 42 / 136

28 Chapter 3 - Opening and Closing the Base Unit
3. If ISA option boards are installed, disconnect the SCSI cable and
power cables from the top of the riser card. Also remove the ISA I/O
lock bracket.
4. Remove the screw on the pivoting ISA board guide as shown in the
following figure.
5. Remove the installed ISA boards. Note the position of each ISA
board, for they must be replaced in the same slots from which they
were removed.
6. Remove the four screws for the option board bracket as shown in the
following figure. Slide the option board bracket to the back of the
base unit and remove.
ISA I/O Lock
Bracket
Power Cable
Connector
SCSI Cable
Connector