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CHALLENGE L, CHALLENGE XL, and CHALLENGE DM

With Challenge L, XL, and DM systems, it is possible to change the drive addresses of disks using a dial or switch. If the system disk and the alternate disk are both internal disks on the same channel and are partitioned identically, you can swap the drive addresses of the two disks. (If the system doesn't meet these requirements, use the procedure in the section "All Other Models" instead.) By exchanging the drive addresses for the system disk and the alternate disk, the system automatically boots off the alternate disk, which has become the new system disk. Follow this procedure:

  1. Shut down the system. For example, use this command:

    # shutdown

  2. Power off the system.

  3. By manipulating the switches or dials on the system disk and the alternate disk, change each disk's drive address to the other's drive address.

  4. Power up the system.
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