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Condition
Hardware Configuration
KDOS Configuration
Content created by "Mr. Tahara" (mirror HERE). Edited by Tomáš Slavotínek.
Condition
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I got it as a junk item at a certain auction, so I can't say it's in good
condition.
There are quite a few areas where the paint is peeling off, and there are
some horizontal lines on the LCD. The keyboard has some unresponsive keys and
the diskette drive occasionally malfunctions.
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Hardware Configuration
| CPU |
i80286 10MHz |
| Memory |
1MB (passes the system tests) |
| Hard Disk |
20MB |
| Display |
Monochrome LCD with backlight |
| Adapter |
5250 Extended Workstation Adapter / LT |
Hard Disk Partitions
| Partition 1 |
ICHITARO |
4MB |
| Partition 2 |
MS-DOS K3.42 |
16MB |
It is divided into two partitions. The booted partition becomes the C drive,
and the other one becomes the D drive. As far as I know, it's pretty rare for
the drive letter to change like this.
Installed Software
| OS |
KDOS Ver. K3.43 (for 5535) |
| Kana-Kanji conversion |
Partition1 ATOK6 |
| Partition2 MKK (consecutive clause conversion) |
| Application |
ICHITARO Ver. 3.1 |
| Emulator |
5250 Japanese Personal Computer |
| Development language |
IBM COBOL/2 |
The 5250PC failed to start with an error that the adapter is bad.
KDOS Configuration
CONFIG.SYS of Partition 1
BUFFERS=50
FILES=20
DEVICE=C:\$LDISK.SYS 2
DEVICE=D:\DOS\SYS\ANSI.SYS
DEVICE=D:\DOS\SYS\$PRN24E.SYS
DEVICE=C:\ATOK6IB.SYS
DEVICE=C:\ATOK6IA.SYS /D=C /N=ATOK.DIC /R=0 /M=0 /T=1 /S=1 /E=1 /B=0 /C=2
SHELL=C:\COMMAND.COM /P /E:512
Free space: 467,760 bytes
CONFIG.SYS of Partition 2
BUFFERS=20
FILES=30
DEVICE=C:\DOS\$LDISK.SYS 1
DEVICE=C:\DOS\SYS\$BANKMGR.SYS
DEVICE=C:\DOS\SYS\$MKKCVT0.SYS /B
DEVICE=C:\EM5250J.SYS
DEVICE=C:\DOS\SYS\$CLOCK.SYS
DEVICE=C:\DOS\SYS\$PRN24E.SYS
DEVICE=C:\DOS\SYS\ANSI.SYS
SHELL=C:\COMMAND.COM /P /E:2048
Free space: 489,248 bytes
CONFIG.SYS for each partition has the above settings.
Since this is an old version, there is no HMA or UMB, but there are quite a
few free areas because it has a built-in Kanji ROM.
Here, I would like to explain the drivers specific to KDOS and JDOS.
| $LDISK.SYS |
A driver for recognizing logical partitions.
The partition with the specified number is made available as a drive. When you
boot from the second partition and set $LDISK.SYS 1, the first partition is
available as the D drive. |
| $BANKMGR.SYS |
A driver for using memory banks.
The memory bank support remained to JDOS Ver. 4. |
| $MKKCVT0.SYS |
Driver for multiple-clauses conversion.
The /B switch lets you use memory banks. |
| EM5250J.SYS |
Driver for the 5250PC adapter. |
| $CLOCK.SYS |
Time display driver.
The current time is displayed at the bottom right of the screen. |
| $PRN24E.SYS |
Driver for 24-dot IBM printers. |
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