Content created by "Mr. Tahara" (mirror HERE). Edited by Tomáš Slavotínek.
I got it as a junk item at a certain auction, so I can't say it's in good
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.
||1MB (passes the system tests)
||Monochrome LCD with backlight
||5250 Extended Workstation Adapter / LT
Hard Disk Partitions
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.
||KDOS Ver. K3.43 (for 5535)
|Partition2 MKK (consecutive clause conversion)
||ICHITARO Ver. 3.1
||5250 Japanese Personal Computer
The 5250PC failed to start with an error that the adapter is bad.
CONFIG.SYS of Partition 1
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
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.
||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.
||A driver for using memory banks.
The memory bank support remained to JDOS Ver. 4.
||Driver for multiple-clauses conversion.
The /B switch lets you use memory banks.
||Driver for the 5250PC adapter.
||Time display driver.
The current time is displayed at the bottom right of the screen.
||Driver for 24-dot IBM printers.