Driver Details

Quantum ATLAS III 4GB, ATLAS III 9GB, ATLAS III 18GB, v. N495fw, A00

This firmware release fixes an issue seen at a particular customer using Quantum Atlas III hard disk drives in combination with PERC 2 controllers attached to a PV2XX Enclosures.

Fixes & Enhancements

With the combination of PV 20x and PV 21x storage enclosures and PERC 2 controllers, a customer was finding the drives were reporting errors. The specific error was that the drive was going to BUS FREE (Unexpected BUS FREE) at an incorrect time. The firmware fix addresses this timing specific scenario.


Version N495fw, A00


SCSI Drive

Release date

16 Mar 2001

Last Updated

03 Nov 2011


Available formats

File Format:Floppy
File Name:n495fw.exe
Download Type:HTTP
File Size: 637 KB
Format Description:This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, then double-click it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.
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By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems
Microsoft MS-DOS
Red Hat Linux 6.2
Red Hat Linux 7.0
Novell Netware
Windows NT 4.0
Windows 2000
Installation instructions
Download the N495fw.exe file to your system. This file will create a bootable diskette configured to identify and download firmware only to Quantum Atlas III drives connected to PERC 2 controllers. The upgrade is performed by running the TridMcDl.exe utility after booting from the diskette. You must boot from the diskette created using N495fw.exe in order to have the correct drivers loaded for the PERC 2 controller.
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Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

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This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends the customer review specifics about the update to determine if it applies to your system. The update contains changes that impact only certain configurations, or provides new features that may/may not apply to your environment.