Article ID: 160373
Article Last Modified on 11/1/2006
APPLIES TO
- Microsoft Windows NT Workstation 4.0 Developer Edition
- Microsoft Windows NT Server 4.0 Standard Edition
This article was previously published under Q160373
SYMPTOMS
The AIC78xx SCSI controller on Windows NT 4.0 has very slow device access.
CAUSE
The AIC78xx.sys drive does not recognize the command queuing capabilities on the Adaptec 788xx device and, therefore, does not issue multiple commands.
STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.00. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 4.00. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):
S E R V P A C K
Additional query words: prodnt SCSI Adaptec performance aic78xx.sys
Keywords: kbsetup KB160373
