These drivers are version 1.73a, and were downloaded from Sony's website in 1997. They are for the indicated CD-ROM drives when attached to interface card models Sony CDB-334, COR-333 or COR-334. I have used them successfully in Win 3.1 and Win 95. See included SONYCD.TXT for details re contents of the zipfile.
The following files are found inside the driver download file.
|173A.EXE/SLCD.SYS||38.3 KB||7 Jan 1994|
|173A.EXE/SETUP.EXE||40.2 KB||10 Jun 1992|
|173A.EXE/MSCDEX.EXE||25.4 KB||10 Mar 1993|
|173A.EXE/UNLOCK.COM||7.5 KB||17 Jan 1991|
|173A.EXE/CDPLAY.EXE||32.5 KB||20 Sep 1993|
|173A.EXE/EJECT.COM||8.0 KB||17 Jan 1991|
|173A.EXE/LOCK.COM||8.0 KB||17 Jan 1991|
|SLCD.SYS||38.3 KB||5 Nov 1997|
|SONYCD.TXT||786 bytes||5 Nov 1997|