Chapter 4 Maintenance, Troubleshooting & Hardware Replacement

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Updating Firmware

Updating Firmware

This procedure describes how to swap new chips containing updated firmware with the chips currently installed on the controller board. The array is equipped with a matched pair of 32-pin EEPROMs. One is labeled EVEN and the other ODD.

Replacing EEPROMs

1.Perform top cover removal procedure as described previously in this chapter.

Caution During the following procedure, use standard precautions against static (wear a static wrist strap or ground yourself by touching one hand to the cabinet).

2.Using even pressure to avoid bending pins, remove the EVEN firmware chip

Figure 26 Chip Orientation and Location on the Controller Board

3.To orient the chip properly, align the notched end of the chip with the notched end of the socket.

Once you have aligned the replacement chip correctly, insert it into the appropriate socket. The location of the socket and the orientation of the chip are shown in the above figure.

4.Using even pressure to avoid bending pins, remove the ODD firmware chip.

5.Orient, align, and install replacement chip.

Align the notched end of the chip with the notched end of the socket. Once you have aligned the replacement chip correctly, insert it into the appropriate socket using even downward pressure.

6.Replace the array’s top cover.

21020690 B

6500 Disk Array User’s Guide

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Ciprico 6500 manual Updating Firmware, Replacing EEPROMs