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Troubleshooting
ATCA-7150 and RTM-ATCA-7150 Getting Started (6806800G42B)
110
If you think that the fault is caused by software, see A Fault Occurs in Software on page 109.
Damaged CMOS data or BIOS codes may cause some uncertain problems. To reset the CMOS
data, contact Emerson Network Power for technical support. For detailed contact methods,
see Contacting Emerson Network Power for Technical Support on page 100.
Check whether the PEM of the shelf works well. If the PEM works well but the problem persists
after you install the ATCA-7150 again, proceed as follows:
1. Make sure that the ATCA-7150 is inserted in the proper slot of the shelf. The ATCA-7150 is
installed in one of the slots 1-6 or 9-14 at the front side of the shelf.
2. Make sure that the external cables that the ATCA-7150 and its RTM use are properly
connected.
3. Power off the ATCA-7150 and remove it from the shelf.
4. Remove or disconnect the following devices (one at a time) until you find the fault. Re-
install and power on the ATCA-7150.
a. SOL daughter card
b. Hard disk drive
c. DIMM
The hardware configurations enough to start the ATCA-7150 include:
z Main board
z One CPU
z One 512 MB DIMM
z One hard disk
z Available shelf
When the ATCA-7150 is configured with only one DIMM, the DIMM can be installed in DIMM
interface 0 only. For the postion of the DIMM interface, see Figure 3-3.