QuickSpecs
HP AlphaServer GS1280 Systems
ES/GS Common Options
Step 2 - MEMORY CHANNEL — Optional
Configuration Guidelines
1.Each Memory Channel adapter must be the only device on the PCI/PCI-X bus segment.
2.Two-node clusters can be configured by ordering one adapter (CCMAB-BA) for each node and one cable (BN39B-04 or BN39B-10) between the two systems.
3.For a two-node cluster that will not need to be rebooted when adding additional members, order one adapter (CCMAB-BA) and one cable (BN39B-04 or BN39B-10) for each node plus one hub (CCMHB-AA) for the cluster.
4.For three or four node clusters, order one adapter (CCMAB-BA) and one cable (BN39B-04 or BN39B-10) for each node and one hub (CCMHB-AA) for the cluster.
5.The hub (CCMHB-AA) includes four line cards and supports up to four nodes; expansion up to eight system nodes can be achieved by adding up to four line cards (CCMLB-AA).
6.If two adapters (CCMAB-BA) are configured in each system, a second hub (CCMHB-AA) is required.
7.If nodes must be separated by a distance longer than standard copper cables allow, the CCMFB option converts the output of the standard controller or line card to single-mode fiber optic cable. The fiber optic connection may be up to 2,000 meters long between two controllers connected in virtual hub mode, or 3,000 meters between a controller and a hub. (The connection from the hub to a second system may also be 3,000 meters.) The CCMFB option requires a second PCI slot in the system from which it draws power only. It is normally connected to the corresponding controller with the short cable, BN39B-01. The CCMFB option is also used in the hub where it occupies a slot normally used by a line card, limiting expansion to four radial fiber optic connections.
8.The hub expansion box (CCMHB-BA) provides additional slots for up to eight fiber optic connections. Two standard length single-mode fiber optic cables are available (BN34R-10 and BN34R-31); however, users normally provide this fiber optic connection. Fiber optic connectivity is completely transparent to the systems using it and has no performance impact
Maximum Quantity Tested & Supported
U=Tru64 UNIX
O=OpenVMS
L=Redhat V7.2 Linux
per system | per hard partition: per system |
ES47 | | | |
Tower | ES47 | ES80 | GS1280 |
Workstation | | | |
Memory Channel Adapter
| Memory Channel Adapter | PCI 5.0/3.3V, | CCMAB-BA | 2/U | 2:4/U | 2:8/U | 2:64/U |
| | 32 b, 33 MHz | 2/O | 2:4/O | 2:8/O | 2:64/O |
| | |
| Copper-to-single mode fiber optic | PCI 5.0/3.3V, | CCMFB-BA | 2/U | 2:4/U | 2:8/U | 2:64/U |
| converter | 32 b, 33 MHz | 2/O | 2:4/O | 2:8/O | 2:64/O |
| |
DA - 11921 Worldwide — Version 24 — July 23, 2007 | Page 32 |
