©Sealevel Systems, Inc.
R4 Manual
33
SL9260 06/2015
Serviceable Parts
The R4 has three features that may require service in the field:
•
An input current protection fuse
•
Hardware configuration for Serial Port 3
•
A 2.5” disk drive
ACCESS SERVICEABLE PARTS (SERIAL PORT CONFIGURATION, FUSE)
Access to all user-serviceable parts is through the lid of the unit. Do not disassemble any other
parts of the unit to gain access as this may cause damage to the unit.
To remove the lid, follow these steps.
1.
Safely shutdown the computer and remove power.
2.
Move the computer to an ESD safe work area (See Appendix A – Handling Instructions).
3.
Using a #1 Phillips screwdriver, remove and retain the 22 Flat head screws on the lid of the
computer.
4.
Carefully remove the lid.
5.
The Fuse, Serial Port configuration jumper, and Serial Port configuration DIP switch are now
accessible.
6.
To reassemble, carefully align the lid on top of the enclosure. Reinstall all screws.
