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Appendix A
Upgrading Flash ROM Update Process
A-1 Overview
Since the ARC-12x4 RAID controllers feature ash ROM rmware,
it is not necessary to change the hardware ash chip in order to
upgrade the RAID rmware. The user can simply re-program the
old rmware through the in-band PCIe bus or out-of-band Ethernet
port McRAID Storage manager and nash DOS utility. New re-
leases of the rmware are available in the form of a DOS le on the
shipped CD or Areca website. The les available at the FTP site for
each model contain the following les in each version:
ARC12x4NNNN.BIN Software Binary Code (“NNNN” refers to the
software code type)
ARC12x4BIOS.BIN:→ PCIe 2.0 BIOS for system board using
ARC12x4BOOT.BIN:→ RAID controller hardware initialization
ARC12x4FIRM.BIN:→ RAID kernel program
ARC12x4MBR0.BIN:→ Master Boot Record for supporting Dual
Flash Image in the 6Gb/s SATA RAID controller
README.TXT contains the history information of the software code
change in the main directory. Read this le rst to make sure you
are upgrading to the proper binary le. Select the right le for the
upgrade. Normally, user upgrades the ARC12x4BIOS.BIN for sys-
tem M/B compatibility and ARC12x4FIRM.BIN for RAID function.
All these les in the rmware package are a part of the rmware.
You should update all les in the package, no special update order
needed. New rmware works after a system restart not instant
available, so you can update all les before restart the system. The
controller rmware is independent of the array, and update rm-
ware 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 rmware
package may hang the controller.
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