PPC-155T User Manual 22
Chapter 4 Hardware Installation 4.1 Jumpers and Connectors
The panel PC consists of a PC-based computer that is housed in a metal shielding
case with a plastic cover on the rear and bottom. All the computer devices, like the
CPU, HDD, SDRAM, and power supply are all readily accessible after removing the
rear panel or the HDD cover. Any maintenance or hardware upgrades can be easily
completed after removing the rear panel and/or HDD cover.
For information about complete disassembly of the panel PC, refer to Appendix B.
4.2 Disassembling the Panel PC
The following are standard procedures for disassembling the panel PC before
upgrading the system. All procedures are illustrated in Fig. 4-1, 4-2, 4-3 and 4-4.
1. Unscrew the side cover on the plastic HDD cover to expose the HDD module.
The Type II CF slot lies underneath the HDD module.
Figure 4.1 Unfastening the HDD side cover
Warning! Do not remove the plastic rear cover until verifying that no power is flow-
ing within the panel PC. Power must be switched off and the power cord
must be unplugged. Each time the panel PC is serviced, users should
be aware of this condition.