2.12 -
October,
1987
Version
5-
software--purchased
option
Separate
Outputs
(S/O)--purchased
option*
*RMX version of S/O available
as
of June 1988.
To
install
Version
5
in
units that currently have Version 4.2,
4.1,
4.0, 3.2 or 3.1; no modifications will be required to the CPU
board. Simply remove the current version EPROMs and install
Version 5.
To
install Version 5
in
units with software levels earlier
than
versions
mentioned
above,
the
CPU board will require
modification as mentioned
in
the description of Version 3.1. The
Version 5
EPROMs should be installed
in
the following locations:
82104401
82104601
82104801
82091801*
U54
U53
U52
U51
82104501
82104701
82104901
82091901*
*50kHz Sound Modeling EPROM locations
U38
U37
U36
U35
Version 5
IS
required to install
S/O.
S/O for the K250
contains 2 p.c. boards, Macintosh disk, a new rear panel and cable
assembly.
The S/O kit for the RMX contains a p.c. board, Macintosh
disk, 12-output box and
cable assembly.
2.13 -
September,
1988
Version
6--purchased option
RAM
cartridge--purchased
option
RAM
cartridge
adapter--purchased
option
To
install
Version
6
in
units that currently have Version 5.0
4.2, 4.1, 4.0, 3.2 or 3.1;
no
modifications will be required
to
the CPU
board. Simply remove the current version EPROMs and install
Version 6.
To
install Version 6
in
units with software levels earlier
than
versions
mentioned
above, the CPU board will require
modification as mentioned
in
the description of Version 3.1. The
Version 6
EPROMs 1 should be installed
in
the following locations:
Kurzwell
250
Service Manual, Chapter 2
2 - 1 2
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