GE D25 User Manual page 100

D25
User's Manual
Downloading a Configuration,
Downloading There are two reasons for downloading firmware code files:
Code Files:
• If the D25 has performed self-diagnostics and determined that the FLASH
When to
memory is either erased or corrupt, then it will display the D25S> prompt on the
Download
system monitor when it requires code files to be downloaded.
• If the D25 software program features need to be changed or upgraded, the
existing FLASH memory can be erased, and new code downloaded.
Three techniques for programming the FLASH memory are available. The
Choice of Three
Processes
technique to use depends on system options and network type.
The choices are:
1. A serial connection from a PC to the WESMAINT port, using third-party
communications software.
−
2. Use SGConfig, either via a serial connection to the WESMAINT port, or
via Ethernet using a TELNET and TFTP procedure.
−
3. A third-party USB port adapter and software utility is available to connect
directly to the BDM port on the D25 WESDAC Board, which permits
very quick downloads.
−
Insufficient When a new code image is downloaded into the FLASH memory of a D25,
Memory
the amount of memory reserved for the configuration's data region, also
referred to as the "Base" region, may not be large enough.
If this occurs, then the D25 locks-up and a message similar to this will be
displayed:
If this message appears:
• Unlock the D25
• Increase the base region memory. Consult the SGConfig Online Help for how to
set the D25's Device Properties to increase the Base Region size.
100
Continued
This procedure is described below.
These options are described in the SGConfig On Line Help.
This is the procedure used during manufacture of the D25.
The configuration's data region overlaps the current
Configuration Header (NVHEADER).
Configuration Header / NVRAM to <address>, or set data
size to <size> and re-download.
be started.
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Relocate the
Application will NOT
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