IEI Technology IRS-100-ULT3, User Manual

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IRS-100-ULT3 Railway Surveillance System
Page 19
3.5.4 Flash Descriptor Security Override
The Flash Descriptor Security Override jumper (J_FLASH1) allows to enable or disable
the ME firmware update. Refer to
Figure 3-5
and
Table 3-2
for the jumper location and
settings.
Setting Description
Open Disabled (default)
Short Enabled
Table 3-2: Flash Descriptor Security Override Jumper Settings
Figure 3-5: Flash Descriptor Security Override Jumper Location
To update the ME firmware, please follow the steps below.
Step 1:
Before turning on the system power, short the Flash Descriptor Security
Override jumper.
Step 2:
Update the BIOS and ME firmware, and then turn off the system power.
Step 3:
Remove the metal clip on the Flash Descriptor Security Override jumper.
Step 4:
Restart the system. The system will reboot 2 ~ 3 times to complete the ME
firmware update.
Step 0: