Mitsumi Driver Does Not Support Sound Blaster 16 Multi-CD-ROM

ID: Q123995

The information in this article applies to:

Microsoft Windows NT Workstation version 3.5
Microsoft Windows NT Server version 3.5

SYMPTOMS

The Mitsumi CD-ROM driver supplied with Windows NT version 3.5 does not support the Creative Labs Sound Blaster 16 Multi-CD-ROM board (CT2230).

CAUSE

The Mitsumi CD-ROM driver requires an I/O base address above 300H. The CT2230 automatically configures the I/O base address below 300H by adding 10H to the audio settings. Valid audio settings for the Sound Blaster 16 board are 220H, 240H, 260H, or 280H. Therefore, the maximum I/O base address that can be configured for the Mitsumi interface is 290H. This address does not work with the Mitsumi CD-ROM driver.

The older version of the Sound Blaster Multi-CD-ROM board (CT1750) includes additional jumpers to configure the Mitsumi interface separately and works with the driver that is currently available.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.5. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: sb16 prodnt mcd

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