Ciprico 6500 - Manual (Page 84)

21020690 B 6500 Disk Array User’s Guide
Chapter 4 Maintenance, Troubleshooting & Hardware Replacement
Page 4 - 30 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.