Document Audience: | INTERNAL |
Document ID: | I1101-1 |
Title: | Damage to Motherboard connector could occur during removal of ALOM Card from Sun Fire V440 or Netra 440. |
Copyright Notice: | Copyright © 2005 Sun Microsystems, Inc. All Rights Reserved |
Update Date: | 2004-11-23 |
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FIELD INFORMATION NOTICE
(For Authorized Distribution by Sun Services)
FIN #: I1101-1
Synopsis: Damage to Motherboard connector could occur during removal of ALOM Card from Sun Fire V440 or Netra 440.Create Date: May/14/04
SunAlert: No
Top FIN/FCO Report: No
Products Reference: Sun Fire V440, Netra 440
Product Category: Server / System Component
Product Affected:
Systems Affected:
-----------------
Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
- A42 ALL Sun Fire V440 -
- N42 ALL Netra 440 -
X-Options Affected:
-------------------
Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
- - - - -
Parts Affected:
----------------------
Part Number Description Model
----------- ----------- -----
540-5418 Assy, MBRD w/CPU Cage, Chlpa -
540-5919 Assy, MBRD Netra 440 -
References:
Manual: Sun Fire V440 Server Parts Installation and Removal Guide,
816-7729-10
Issue Description:
There is the potential to damage the ALOM/RMC connector on the Motherboard
of Sun Fire V440 and Netra 440 systems if the ALOM Card is removed in an
improper manner. If the ALOM/RMC Card is not removed with a vertical motion,
the ALOM connector on the Motherboard could be broken, making it impossible
to install the ALOM Card. This could cause the system to be inoperative.
If this issue occurs, physical inspection of the end of the ALOM connector
farthest from the chassis may show visible signs of cracking.
This issue occurs if a forward and backward (rocking) motion
is applied to the card, while it is still installed within the connector.
The ALOM/RMC card utilizes a key slot which is located behind the
board edge connector that is used as an alignment point when installing
the card. This cutout pinches the connector, causing the plastic housing
of the connector to break, and in severe cases the connector may separate.
This renders the card inoperative.
The root cause of the issue is insufficient margin between the connector
pins and the key that prevents insertion of the card into PCI slots.
There are no plans to rework the board to eliminate this cutout as there
are other traces buried in the FAB layers which would have to be moved.
Implementation:
---
| | MANDATORY (Fully Proactive)
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| | CONTROLLED PROACTIVE (per Sun Geo Plan)
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| X | REACTIVE (As Required)
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Corrective Action:
The following recommendation is provided as a guideline for authorized
Sun Services Field Representatives who may encounter the above
mentioned issue.
It is important to remove the ALOM/RMC in a straight up and down (vertical)
manner without rotating the card back and forth, eliminating any risk of
damaging the connector. No other steps are required to be taken.
Reference pages 97-100 in the Sun Fire V440 Server Parts Installation and
Removal Guide for complete details of removing the ALOM Card.
Note: Prior to removing the ALOM/RMC card, AC Power must be completely
removed from the system by unplugging the AC Power Cords. Standby
power flows to the card when the AC Power Cords are attached, even if
the system has been powered off.
If the connector is inspected and found to be the cause of the ALOM/RMC
card not operating correctly, then replacement of the Motherboard is
required.
Comments:
None.
============================================================================
Implementation Footnote:
i) In case of MANDATORY FINs, Sun Services will attempt to
contact all affected customers to recommend implementation of
the FIN.
ii) For CONTROLLED PROACTIVE FINs, Sun Services mission critical
support teams will recommend implementation of the FIN (to their
respective accounts), at the convenience of the customer.
iii) For REACTIVE FINs, Sun Services will implement the FIN as the
need arises.
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