Advantech HMI-640S User Manual
Page 33
Chapter 3 Maintenance
2 3
You need only to remove the rear panel to replace the DRAM, power
supply, I/O adapter, and certain components. To remove the rear panel,
first verify that the power source to the HMI-640S has been discon-
nected. Then remove the six screws on the rear panel and pull it away
from the HMI-640S main body.