I
NSTALLING
AN
E
XTERNAL
C
ACHE
B
ATTERY
(ECB)
About This Card
The HSZ70, the HSG80, the HSJ80, and the HSZ80 use the same
ECB. This document contains instructions to replace an ECB in an
HSZ70 HSOF Version 7.x Array Controller, an HSG80 ACS Version
8.x Array Controller, an HSJ80 ACS Version 8.5J Array Controller,
and an HSZ80 ACS Version 8.3 Array Controller.
NOTE:
For instructions on upgrading a single-controller configuration to a
dual-redundant controller configuration, see the appropriate
DIGITAL
StorageWorks
TM
HSZ70 Array Controller HSOF Version7.x Service Manual
,
DIGITAL StorageWorks HSG80 Array Controller ACS Version 8.2 User Guide
,
Compaq
TM
StorageWorks HSJ80 Array Controller ACS V8.5J Maintenance and
Service Guide, Compaq StorageWorks HSG80 Array Controller ACS Version 8.x
Maintenance and Service Guide
, or
Compaq StorageWorks HSZ80 ACS Version
8.3 Maintenance and Service Guide
.
General Information
The type of ECB used depends upon the controller enclosure type.
Figure 1 and Figure 2 provide general information about the cache
modules used with many Compaq StorageWorks controller
enclosures.
Figure 1. Single ECB for single-controller configurations
TM
1
Battery disable switch
2
Status LED
3
ECB Y-cable
CXO5715B
CA
CH
E
PO
WE
R
STA
TU
S
SH
UT
O
FF
1
3
~
2
European Union Notice
Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and
the Low Voltage Directive (73/23 EEC) issued by the Commission of the European
Community. Compliance with these directives implies conformity to the following
European Norms (in brackets are the equivalent international standards):
■
EN 55022 (CISPR 22)
Electromagnetic Interference
■
EN 50082-1 (IEC 801-2, IEC 801-3, IEC 801-4)
Electromagnetic Immunity
■
EN 60950 (IEC 950)
Product Safety
NOTICE
© 2000 Compaq Computer Corporation. Printed in the U.S.A.
COMPAQ, Compaq logo, and StorageWorks Reg. U.S. Pat. & Tm. Off. Windows NT is a
trademark of Microsoft Corporation. All other product names mentioned herein may
be trademarks or registered trademarks of their respective companies.
The information in this publication is subject to change without notice and is provided
“AS IS” WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE
USE OF THIS INFORMATION REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ
BE LIABLE FOR ANY DIRECT, CONSEQUENTIAL, INCIDENTIAL, SPECIAL, PUNITIVE OR
OTHER DAMAGES WHATSOEVER (INCLUDING WITHOUT LIMITATION, DAMAGES FOR
LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS
INFORMATION), EVEN IF COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. THE FOREGOING SHALL APPLY REGARDLESS OF THE NEGLIGENCE OR
OTHER FAULT OF EITHER PARTY AND REGARDLESS OF WHETHER SUCH LIABILITY
SOUNDS IN CONTRACT, NEGLIGENCE, TORT, OR ANY OTHER THEORY OF LEGAL
LIABILITY, AND NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY
LIMITED REMEDY.
The limited warranties for Compaq products are exclusively set forth in the
documentation accompanying such products. Nothing herein should be construed as
constituting a further or additional warranty.
INSTALLING AN EXTERNAL CACHE BATTERY (ECB)
Second Edition (February 2000)
Part Number: EK–80ECB–IA. B01
Compaq Computer Corporation
Open Card Completely Before
Beginning Installation Procedures
