Toshiba VF-A7 Manual Do Utilizador

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12.3  Using The RFU Utility 
Support for downloading new application firmware to the ETH-100 is provided by the 
free Rabbit Field Utility (RFU), which is a 32-bit application that runs on Microsoft 
Windows platforms.  The RFU utility can be downloaded from ICC’s home page at 
http://www.iccdesigns.com
.  The remainder of this section will detail the RFU utility 
configuration and firmware download procedures. 
 
12.3.1 Required Files 
When first downloaded, the RFU utility files are compressed into one self-extracting 
.EXE distribution file.  Create a folder (such as c:\RFU), place the distribution file in 
this folder, and then execute it.  This will extract the following files into that same 
folder: 
 
• 
RFU.EXE (executable download utility) 
• 
RABFIELD.HLP (help file) 
• 
COLDLOAD.BIN (CPU bootstrap firmware) 
• 
PILOT.BIN (pilot BIOS firmware for downloading) 
 
The distribution file is then unneeded and can be deleted if desired.  To run the RFU 
utility, double-click on the RFU.EXE file icon. 
 
12.3.2 First-time configuration 
The first time the RFU utility is run on a computer, several configuration items need 
to be confirmed.  These configuration items are retained in the computer’s registry 
from that point on, so reconfiguration is not required unless certain parameters (such 
as which serial port to use on the computer) are changed. 
 
The two configuration items that need to be confirmed are the communications and 
bootstrap loaders path.  First, select the “Setup…Communications” menu item (refer 
to Figure 18). 
 
 
Figure 18: RFU Main Screen 
 
The Communications Options window shown in Figure 19 then appears.  Confirm 
that the settings are as shown, with the possible exception of the “Comm Port” 
setting, which depends on the COM port you are using.  Click “OK” when complete.