Document fcos/A0204-1
FCO #: A0204-1
SYNOPSIS: SunBlade 100 systems may not auto-restart after a power failure
DATE: Sep/30/2002
KEYWORDS: SunBlade 100 systems may not auto-restart after a power failure
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- Sun Proprietary/Confidential: Internal Use Only -
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FIELD CHANGE ORDER
(For Authorized Distribution by SunService)
SYNOPSIS: SunBlade 100 systems may not auto-restart after a
power failure.
Sun Alert: No
TOP FIN/FCO REPORT: No
PRODUCT_REFERENCE: Sun Blade 100 System Board
PRODUCT CATEGORY: DeskTop / System Component
PRODUCT AFFECTED:
Systems Affected:
Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
- A36 - Sun Blade 100 -
X-Options Affected:
Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
- - - - -
AFFECTED PARTS:
Part Number Description Model
----------- ----------- -----
375-3061-01 SunBlade 100 MB+EMI Cls B Tray -
375-0096-01 SunBlade 100 MB+EMI Cls A Tray -
375-3092-01 SunBlade 100 MB+EMI Cls A Tray -
375-3123-01 SunBlade 100 Motherboard -
REFERENCES:
ESC: 538271
ESC: 538702
ESC: 535124
BugID: 4635968
ECO: WO_24091
LEAP: 2055
PROBLEM DESCRIPTION:
Some Sun Blade 100 systems fail to automatically restart subsequent to site
power failures and resumption (AC power cycling), and therefore must be
restarted manually.
Root cause was isolated to the the M1535D ALi Southbridge chip power management
unit (PMU) circuitry on the motherboard. This circuitry is responsible for
latching current state of power - standby or on. Upon loss of power, previous
state is retained in a PMU register by external battery power. PMU register
values were being intermittently corrupted during the power cycle event. The
motherboard PMU circuitry has been modified to be more robust.
Corrective Action was made available in manufacturing on August 05, 2002
via ECO W0_24091 by releasing part number 375-3106-01. Corrective Action
was made available in Sun Services on August 29, 2002 via LEAP# 2055.
PLANNED IMPLEMENTION COMPLETION DATE: September 30, 2004
IMPLEMENTATION:
---
| | MANDATORY (Fully Pro-Active)
---
---
| | CONTROLLED PRO-ACTIVE (per Sun Geo Plan)
---
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| X | UPON FAILURE
---
REPLACEMENT TIME ESTIMATE: 0.5 hours
SPECIAL CONSIDERATION:
CORRECTIVE ACTION:
Upon Failure replace;
375-0096-01 with 375-3106-01
375-3061-01 with 375-3106-01
375-3092-01 with 375-3106-01
375-3123-01 with 375-3106-01
Move any existing Chassis Tray from defective to
replacement motherboard.
COMMENTS :
BILLING TYPE:
Warranty: Sun will provide parts at no charge under Warranty
Service. On-Site Labor Rates are based on how the
system was initially installed.
Contract: Sun will provide parts at no charge. On-Site Labor Rates
are based on the type of service contract.
Non Contract: Sun will provide parts at no charge. Installation by
Sun is available based on the On-Site Labor Rates
defined in the Price List.
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Implementation Footnote:
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i) In case of Mandatory FCOs, Sun Services will attempt to contact
all known customers to recommend the part upgrade.
ii) For controlled proactive swap FCOs, Sun Services mission critical
support teams will initiate proactive swap efforts for their respective
accounts, as required.
iii) For Replace upon Failure FCOs, Sun Services partners will implement
the necessary corrective actions as and when they are required.
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General:
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