
QuickSpecs
Compaq AlphaServer DS20E
Compaq AlphaStation DS20E
DA-10445 World Wide — Version 25 — June 4, 2002 21
Options
Step 15 −
−−
− MEMORY CHANNEL −
−−
− Optional
Tru64 UNIX Systems
(V5.0A and later)
• Each system node in the cluster requires a TruCluster Server license
(QL-6BRAC-AA)
• Requires a minimum of Tru64 UNIX V4.0F with TruCluster V1.6 or later Tru64 UNIX Systems
(V4.0G and earlier)
• Each system node in the cluster requires a TruCluster Production Server
(QB-3RLAE-AA) or TruCluster MEMORY CHANNEL software license
(QB-4ZCAE-AA)
• TruCluster MEMORY CHANNEL license (QB-4ZCAG-AA), normally used for high
performance technical computing applications, not required if systems have a
TruCluster Production Server license (QB-3RLAE-AA)
OpenVMS Systems
• Requires OpenVMS V7.1-2 or later and OpenVMS Cluster license
(QL-MUZAC-AA)
• Up to two PCI to System Area Network adapters (CCMAB-AA) are supported in a
single system
Configuring Information
• Two-node clusters can be configured by ordering a CCMAB-AA for each system
and one BN29B-04 or BN29B-10 cable; the cable connects directly to the
CCMAB-AA in each system
• For three or four system nodes, order one CCMAB-AA adapter, one BN29B-04 or
BN29B-10 cable and one CCMHB-AA; make connections from the CCMAB-AA in
a system to the CCMHB-AA
• CCMHB-AA includes four CCMLB-AA line cards and supports up to four nodes;
expansion up to eight system nodes can be achieved by adding up to four
additional CCMLB-AA line cards
• If two CCMAB-AA’s are configured in each system, a second CCMHB-AA is
required for three or more nodes; in two-node clusters, the CCMAB-AA’s may be
directly connected
PCI System Area Network Controller, maximum two
CCMAB-AA
MEMORY CHANNEL Controller
System Area Network Hub with four line cards; includes BN19P-2E power cord for
Canada, Japan, and US operations−for other regions, order appropriate power cord
from list below
CCMHB-AA
Expansion line card for CCMHB hub
CCMLB-AA
4-meter cable for CCMAB and CCMHB
BN39B-04
10-meter cable for CCMAB and CCMHB
BN39B-10
Copper-to-single mode fiber optic converter – 5V (clock not affected) CCMFB-AA
Australia, New Zealand
103541-011
(U.S./Canada orders)
BN19H-2E
(Other country orders)
MEMORY CHANNEL Power Cords
Central Europe
BN19C-2E
Denmark
103541-481
(U.S./Canada orders)
BN19K-2E
(Other country orders)
Egypt, India
103541-AR1
(U.S./Canada orders)
BN19S-2E
(Other country orders)
Ireland, United Kingdom
BN19A-2E
Israel
BN18L-2E
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