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Sony CDU33A-C1, CDU5221, cdu76s/e Free Driver Download

Manufactured By:


File Name:


(124.9 KB)
CD Drivers, DVD Drivers
Sony CDU33A-C1, CDU5221, cdu76s/e Free Driver Download for Windows 95, DOS
Installation: 3.1 out of 5
Stability: 3.6 out of 5
Compatibility: 3.8 out of 5
4 out of 5
12 Ratings (see all reviews)

Video Tutorial: How to Download & Install a Driver

Device Name
CDU33A-C1, CDU5221, cdu76s/e
Supported Operating Systems
Windows 95, DOS
Link to Page
Uploader Notes
The links above weren't working, and I finally found this DOS driver on one of the Sony sites that said it is used to get the Sony CDROM working in DOS so Windows can be installed. To download it from Sony go to

When you run the exe file it unzips about 11 files. Then run Install.exe and it will copy the needed sys file to your PC and modify autoexec.bat and config.sys. It seems to look for MSCDEX.EXE in the c \dos directory or folder. Good Luck

Uploaded By
Rafael (DG Member) on 7/17/2002
Driver Package
atapi227b.exe (124.9 KB)
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