Oki MB760 Service Manual page 272

[a] Precautions when writing the system firmware data
• 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.
Clear Buffer Before Loading the file
[a-1] system firmware
Rotary Switch
Notes:
Be sure not to confuse different ROM Versions since the file name is identical although
the ROM version is different.
45641001TH Rev.1
Auto Format Detected
From File
To Buffer
From File Address
To Buffer Address
Buffer Size
System firmware
1 mosel_OKI_jig_1.bin
2 mosel_OKI_jig_2.bin
3
4
5
6
Clear buffer with blank state
File Name
N/A
N/A
N/A
N/A
Oki Data CONFIDENTIAL
Binary
Normal
Normal
0
0
800100
Flash ROM
ROM1
ROM2
ROM3
ROM4
ROM5
ROM6
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