Yamaha RX-V3900 Service Manual page 81

S4. ROM VER/SUM
The version and checksum are displayed. The signal
is processed using EFFECT OFF. The checksum is
obtained by adding the data at every 8 bits for each
program area and expressing the result as a 4-figure
hexadecimal data.
VNP2 (Video Microprocessor) VERSION
The version of VNP2 (IC105 D-VIDEO P.C.B.) firmware is displayed.
VNP2 (Video Microprocessor) SUM
The checksum of VNP2 (IC105 D-VIDEO P.C.B.) is displayed.
M32C (Main Microprocessor) VERSION
The version of Main microprocessor (IC402 FUNCTION P.C.B.) firmware is displayed.
M32C (Main Microprocessor) SUM
The checksum of Main microprocessor (IC402 FUNCTION P.C.B.) is displayed.
IC402 FUNCTION P.C.B.
DSP1 VERSION
The version of DSP1 (IC534 DSP P.C.B.) firmware is displayed.
DSP2 VERSION
The version of DSP2 (IC567 DSP P.C.B.) firmware is displayed.
IC567 DSP P.C.B.
DSP FLASH SUM (4Byte)
The checksum of DSP (IC540 DSP P.C.B.) is displayed.
GUI VERSION
The version of GUI (IC714 D-VIDEO P.C.B.) firmware is displayed.
FPGA VERSION
The version of FPGA (IC737 D-VIDEO P.C.B.) firmware is displayed.
XM VERSION (U, C models)
The version of XM firmware is displayed.
SIRIUS VERSION (U, C models)
The version of SIRIUS firmware is displayed.
CEC VERSION (J model)
The version of CEC (IC100 D-VIDEO P.C.B.) firmware is displayed.
BT VERSION (DOCK (YBA-10) is connected)
The version of DOCK (YBA-10) version is displayed.
RX-V3900/DSP-AX3900
81