Document fins/I0855-1
FIN #: I0855-1
SYNOPSIS: Sun Fire CPU/Memory Boards may become unusable when components are
knocked off by improper handling
DATE: Jul/29/02
KEYWORDS: Sun Fire CPU/Memory Boards may become unusable when components are
knocked off by improper handling
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- Sun Proprietary/Confidential: Internal Use Only -
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FIELD INFORMATION NOTICE
(For Authorized Distribution by SunService)
SYNOPSIS: Sun Fire CPU/Memory Boards may become unusable when components
are knocked off by improper handling.
SunAlert: No
TOP FIN/FCO REPORT: No
PRODUCT_REFERENCE: Sun Fire CPU/memory board
PRODUCT CATEGORY: Server / Service
PRODUCTS AFFECTED:
Systems Affected:
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Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
- S8 ALL Sun Fire 3800 -
- S12 ALL Sun Fire 4800 -
- S12i ALL Sun Fire 4810 -
- S24 ALL Sun Fire 6800 -
- F12K ALL Sun Fire 12K -
- F15K ALL Sun Fire 15K -
X-Options Affected:
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Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
X4007A - - ASSY CPU-4PROC USIIIP 900MHz -
X4004A - - ASSY CPU-2PROC USIII 750MHz -
X4005A - - ASSY CPU-4PROC USIII 900MHz -
X4006A - - ASSY CPU-2PROC USIIIP 900MHz -
XCPUBD-4049 - - ASSY CPU-4GB/4PROC USIII 900+M -
XCPUBD-F4089 - - ASSY CPU-8GB/4PROC USIII 900+M -
XCPUBD-F4169 - - ASSY CPU-16GB/4PROC USIII 900+M -
XCPUBD-F4329 - - ASSY CPU-32GB/4PROC USIII 900+M -
XCPUBD-2029 - - ASSY CPU-2GB/2PROC USIII 900+M -
XCPUBD-2049 - - ASSY CPU-4GB/2PROC USIII 900+M -
XCPUBD-2089 - - ASSY CPU-8GB/2PROC USIII 900+M -
SF-XCPUBD-227 - - ASSY CPU-2GB/2PROC USIII 750MHz -
SF-XCPUBD-447 - - ASSY CPU-4GB/4PROC USIII 750MHz -
SF-XCPUBD-487 - - ASSY CPU-8GB/4PROC 512MB USIII -
PART NUMBERS AFFECTED:
Part Number Description Model
----------- ----------- -----
540-5052-02 ASSY CPU-4PROC USIIIP 900+ MHz -
540-4729-04 ASSY CPU-2PROC USIII 750MHz -
540-4730-04 ASSY CPU-4PROC USIII 750MHz -
540-5051-02 ASSY CPU-2PROC USIIIP 900+ MHz -
540-4934-03 ASSY CPU-4GB/4PROC USIII 900+ MHz -
540-4992-02 ASSY CPU-8GB/4PROC USIII 900+ MHz -
540-4990-03 ASSY CPU-16GB/4PROC USIII 900+ MHz -
540-4993-02 ASSY CPU-32GB/4PROC USIII 900+ MHz -
540-4984-02 ASSY CPU-2GB/2PROC USIII 900+ MHz -
REFERENCES:
BugId: 4607180 - Broken resistors on CPU/MEM board not found until
SCFAILOVER.
4614549 - test coverage improvement to support sc failover.
Manual: 806-3512-11: Sun Fire 15K System Service Manual.
805-7363-12: Sun Fire 6800/4810/4800/3800 Systems Service Manual.
URL: http://infoserver.central/805/805-7363/pdf
http://infoserver.central/806/806-3512/pdf
PROBLEM DESCRIPTION:
Sun Fire CPU/Memory Boards are being damaged when components are
knocked off due to improper handling. Surface Mounted Devices on the
bottom of these system boards are susceptible to being knocked off by
rough handling. This damage may cause the boards to fail immediately
or make them subject to failure at a later time.
Affected systems include Sun Fire 3800, 4800, 4810, 6800, 12K and 15K.
Damaged boards can be difficult to identify visually due to the small
size of the components. In several cases, it has been found that
resistor R18250 has been knocked from the board. A picture of a
damaged board can be seen at:
http://cpre-amer.west/esg/hsg/starcat/images/missing_R18250_low.jpg
Failure symptoms will vary depending on which component is missing. In
some cases, the board will fail POST and be totally unusable. In the
case of a missing R18250, the board will operate normally as long as
SC0 is the main System Controller. The domain will not boot with SC1
as the main System Controller. If the domain boots with SC0 as the main,
the problem will not become evident unless the system fails over to SC1.
With R18250 missing, the board cannot communicate with SC1 due to a
broken I2C Bus connection. The SMS/ScApp software will be unable to
control the board.
With a missing R18250 component on an F15K board, the following errors
can be observed as a result of this problem:
Examples:
I2c read time out - bus: 29, address: 27 -- This is Slot 5 CPU board
I2c read time out - bus: 40, address: 27 -- This is Slot 16 CPU board
and
Unable to retrieve board info for: SB5
Unable to retrieve board info for: SB16
On Sun Fire 3800-6800 systems the following errors can been as a result
of this problem:
May 10 16:01:21 noname Platform.SC: SB1: Could not get i2cSwitch
It is believed this problem is being caused by improper handling of the
CPU/Memory Boards in the field. It is probable that components are
knocked off when the board is being removed from its shipping carton,
or when it is being inserted into the system chassis.
It is important that a CPU/Memory board is inserted carefully aligned
with the chassis. It is also important that the CPU/Memory board is
removed properly from its shipping carton. The procedure is clearly
indicated on the carton. The key part is to NOT use the handle while
removing the CPU/Memory board out of the shipping carton.
IMPLEMENTATION:
---
| | MANDATORY (Fully Proactive)
---
---
| | CONTROLLED PROACTIVE (per Sun Geo Plan)
---
---
| X | REACTIVE (As Required)
---
CORRECTIVE ACTION:
The following recommendation is provided as a guideline for authorized
Enterprise Services Field Representatives who may encounter the above
mentioned problem.
In order to avoid damaging Sun Fire CPU/Memory Board components please
follow the below guidelines;
1) Remove new boards carefully from their shipping cartons. Follow the
instructions on the carton. Do NOT use the board handle to lift the
board from the box.
2) Install boards carefully into the system chassis. Follow the procedure
given in Section 2.3.2.4 of the Sun Fire 15K/12K Service Manual,
806-3512-11.
or Section 3.10 of the Sun Fire 6800/4810/4800/3800 Service Manual,
805-7363-12.
COMMENTS:
None
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Implementation Footnote:
i) In case of MANDATORY FINs, Enterprise Services will attempt to
contact all affected customers to recommend implementation of
the FIN.
ii) For CONTROLLED PROACTIVE FINs, Enterprise 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, Enterprise Services will implement the FIN as the
need arises.
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