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Appendix A
Upgrading Flash ROM Update Process
A-1 Overview
Since the SAS RAID controller features flash ROM firmware, it is not necessary to change the hardware flash chip in
order to upgrade the RAID firmware. The user can simply re-program the old firmware through the in-band PCIe
bus, out-of-band Ethernet port McRAID storage manager or nflash DOS utility. New releases of the firmware are
available in the form of a DOS file on the shipped CD or Sans Digital website. The files available at the FTP site for
each model contain the following files in each version:
NNNN.BIN: Software Binary Code ( "NNNN" refers to the software code type)
•
BIOS.BIN: PCIe 3.0 BIOS for system board
•
BOOT.BIN: RAID controller hardware initialization
•
FIRM.BIN: RAID kernel program
•
MBR0.BIN: Master Boot Record for supporting Dual Flash Image in the 12Gb/s SAS RAID controller
•
README.TXT contains the history information of the software code change in the main directory. Read this file first
to make sure you are upgrading to the proper binary file. Select the right file for the upgrade. Normally, user
upgrades the BIOS.BIN for system M/B compatibility and FIRM.BIN for RAID function. All these files in the firmware
package are a part of the firmware. You should update all files in the package, no special update order needed. New
firmware works after a system restart, and you can update all files before restart the system. The controller
firmware is independent of the array; update firmware does not touch anything you stored in the array.
Note: Please update all binary code (BIOS, BOOT FIRM and MBR0) before you reboot system. Otherwise, a mixed
firmware package may result the unstable controller.
A-2 Upgrading Firmware Through McRAID Storage Manager
Get the new version firmware for your SAS RAID controller. For example, download the bin file from web site onto
the C: drive.
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