Driver Details

Adaptec U320 SCSI RAID 0 or 1, v.4.30.4S5 RC5, A02

BIOS, Adaptec SCSI-Select BIOS for the 39320 HostRAID HBA with RAID 0 or 1.

Fixes & Enhancements

Intel ICH5R: Filename: biossr1.rom, Version: 2020
39320B: Filename: 39320b_rc5.rom, Version: RC5
7901B: Filename: 7901embed_rc5.rom ( for BDK), Version: RC5

Files are included in Fixes to the code are included below:


1. Removed the display of PCI scanning devices.
2. Added ICH5R support for Precision 670 and Precision 470 platforms.


Version 4.30.4S5 RC5, A02



Release date

28 Feb 2005

Last Updated

03 Nov 2011



Available formats

File Format:Floppy
File Name:BR79726.exe
Download Type:HTTP
File Size: 1MB
Format DescriptionThis 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.
Not available
Not available
Not available

By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems

Red Hat Ent Linux 2.1
Red Hat Ent Linux 3
Microsoft Windows Server 2003
Windows 2000

Applies to

U320 SCSI RAID 0 or 1

Installation instructions

Floppy Disk Boot to Disk for BR79726.exe


1. Click Download Now, to download the file.
2. When the File Download window appears, click Save (Windows XP users will click Save) this program to disk and click OK. The Save In:
window appears.
3. From the Save In: field, click the down arrow then click to
select Desktop and click Save. The file will download to your desktop.
4. If the Download Complete window appears, click Close. The file
icon appears on your desktop.

Hard Drive Floppy Disk Creation

1. Get 1 blank, formatted floppy disks.
2. Double-click the new icon (it looks like a floppy diskette) on
the desktop. The Self-Extractor window appears.
3. Click Setup. An black MS-DOS window appears with a message
indicating that you need 1 floppy diskettes.
4. Press the [ENTER] key.
A message appears prompting you to insert a blank floppy diskette.
5. Insert a floppy disk into the floppy disk drive.
6. Press the [ENTER] key. A message appears indicating that all
data on the disk will be erased.
7. Press the [y] key and then press the [ENTER] key.
The files are copied to the floppy diskette. If the procedure requires
more than one diskette, repeat steps 5 – 7 until you reach the end of the diskette set.
8. After all the files have been copied to the last floppy disk,
press the [ENTER] key and the MS-DOS window closes.


1. Insert the first (or the only) disk of the set into the Floppy
2. Click Start, click Shutdown, click Restart, and then click OK.
Windows XP Users need only click restart.
3. Follow the on-screen instructions.

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Drivers help and tutorials

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 applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).