Yamaha YMC-700 Service Manual page 45

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R: ROM VER/SUM
This menu is used to display the firmware version and checksum.
The checksum is obtained by adding the data at every 8 bits for each program area and expressing the result as
a 4figure hexadecimal data.
1: TOTAL VERSION / CHECKSUM
The firmware version and checksum value of
microprocessor (IC341 DIGITAL P.C.B.) are
displayed.
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L 13942296513
2: DSP VERSION / CHECKSUM
The firmware version and checksum value of
TI (DSP) FLASH ROM (IC373 DIGITAL P.C.B.)
are displayed.
Example
DSP VERSION : 02.13r4
CHECK SUM : 7295C908
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.
http://www.xiaoyu163.com
Example
R: ROM VER/SUM
– >
1: TOTAL VERSION & CHECK SUM
VERSION
CHECK SUM : 3767
VOLUME: 25
AUDIO: – –
VIDEO: – –
x ao u163
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i
2 9
8
: D320
3: FPGA VERSION
The firmware version of FPGA (IC331 DIGITAL
P.C.B.) is displayed.
Example
FPGA VER : 27
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3 6 7 1 3 1 5
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.
YMC-700/YMC-500
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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