It is a hard to find driver because the device has become old. It does not seem to be available at any Sanyo web page. I found it together with lots of cdrom drivers at
It works also in W3.1
The following files are found inside the driver download file.
|SJCDAPI.SYS||10.5 KB||8 Jun 1995|
|README.TXT||5.2 KB||25 Nov 1996|
|CONFIG.CD||41 bytes||19 Mar 1996|
|AUTOEXEC.CD||52 bytes||16 Apr 1997|
|INSTALL.BAT||484 bytes||19 Mar 1996|