Software Update Of The Cpu-323 Board; Download Via Rs-232C - Sony MKS-8080 Maintenance Manual

1-5. Software Update of the CPU-323
Board
The flash memory on the CPU-323 board stores the
software.
To update the software, select from among following three
ways.
. Download the updated software from a personal
computer via RS-232C cable.
(Refer to "1-5-1. Download via RS-232C".)
. Copy the updated software of another station via a
terminal which is connected to the primary station of S-
BUS data link.
(Refer to "1-5-2. Download via S-BUS Data Link".)
. Replace the flash memory.
(Refer to "1-5-3. Flash Memory Replacement".)

1-5-1. Download via RS-232C

Required Equipment
. Personal computer (Abbreviates to PC)
A terminal emulator program (such as Tera Term) must
have been installed.
. RS-232C Cable
9-pin (female)-9-pin (female) cross cable
Required Program Files
The program files will be supplied to Sony Sales Office/
Service Center when the software is updated. Regarding
these files, contact your local Sony Sales Office/Service
Center.
As for the display example, the following notations are
used in this manual.
Font and style of Display
letters example
Roman font SONY
Gothic style MN
(in italic)
Symbols
1-4 (E)
Reference for
Distinction
Message displayed
automatically by a program
Characters to be typed by
user
ENTER key/return key
Download procedure
1. Connect an RS-232C cable between the RS-232C
connector on the rear panel of this unit and the RS-
232C connector (COM 1) of PC.
2. Turn on the power of the PC.
3. Copy necessary files to an arbitrary folder of the PC.
4. Activate the terminal software and set the
communication conditions as described below.
Baud rate 38400
Data 8 bits
Parity None
Stop 1 bit
Flow control None
5. Enter "p" and press the Enter key.
. . . . . . . . . . . . . . . p . . . . . .
p r o g r a m
P A G E 0
L o a d p r o g r a m
6. After the above screen is displayed, send the upgraded
data (data copied to the PC in step 3) by text transmis-
sion.
n
Every time the remote control unit receives the data,
the screen below is displayed.
> > > > > > > > > > > > > > > E > > > > > > >
7. After downloading is completed, "Load End" is
displayed.
n
The write operation of ROM is performed after
downloading is completed.
Never turn off the power of the main unit (processor) for
about 30 seconds until "Start!!" is displayed on the screen.
MKS-8080/8082