Toshiba e-studio205L, Service Handbook, Page: 581 / 672

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[B] Precautions when writing the Engine ROM data
• Clear the buffer of the ROM writer by means of the following settings.
• Set the writing voltage (VID) to 3.3 V.
When an error appears while the data are being written to the download jig, set the writing voltage
(VID) to 12 V and then write them.
• When writing the data, set the address from 0 to 3FFFFF. The data may not be written correctly if it
is not set.
• Load the data file into the buffer by means of the following settings.
[B-1] Engine ROM
From Address To Address Code
0 800000 FF
800000 8000FF 00
Auto Format Detected Binary
From File Normal
To Buffer Normal
From File Address 0
To Buffer Address 300000
Buffer Size 800000
Clear Buffer Before Loading the file Clear buffer with blank state
Engine ROM
Rotary Switch File Name Flash ROM
1 T470MWW.xxx ROM1
2 N/A ROM2
3 N/A ROM3
4 N/A ROM4
5 N/A ROM5
6 N/A ROM6