HP ProLiant 2500 Compaq ProLiant 2500 Server Technology - Page 12
Non-Hot-Plug Drive Cage, Hot-Plug Drive Cage 3x1.6, Hot-Plug Duplex Drive Cage, Hot-Plug Drive Cage
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201A/1196 TECHNOLOGY BRIEF (cont.) ... If the server includes a Compaq SMART Array Controller or a Compaq SMART-2 Array Controller, then the integrated Symbios 875 chip will control the DLT array while the array controller controls the hard drives. If the server does not contain a SMART or SMART-2 array controller, then the Symbios 875 chip will control the hard drives and a PCI card must be installed in an expansion slot to control the DLT array. The ProLiant 2500 is the first Compaq product to support both the new Compaq 1-inch highdensity hard drives and 1.6-inch high-density hard drives. The maximum number of hard drives that can be fitted in a ProLiant 2500 depends upon the choice of drive cage and drive height. The chassis supports drives that can be configured either as rail-mounted, cabled hard drives or as hotplug drives mounted in drive cages. The ProLiant 2500 hot-plug models (ProLiant 2500 6/200H) come standard without drives so that customers can select the drive trays and drives that best meet the needs of individual departments or remote offices. Hot-plug drive trays are available for 1.6-inch drives, which currently provide the maximum individual drive capacity (4.3 gigabytes), and also for the new 1-inch drives (2.1 gigabytes). In 1Q97 Compaq expects to have available 1.6-inch hard drives with an individual drive capacity of 9 gigabytes and 1-inch hard drives with an individual drive capacity of 4.3 gigabytes. Figure 9 identifies the drive cage configurations available for the ProLiant 2500. ProLiant 2500 Drive Cage Configurations 1.6" 1.6" 1.6" 1.6" Non-Hot-Plug Drive Cage • Standard on ProLiant 2500 6/200 N models • Optimized for four 1.6" non-hot-plug drives • Upgradable to hot-plug 1" 1" 1" 1" 1" Hot-Plug Drive Cage (5x1") • Standard on ProLiant 2500 6/200 H models • Optimized for five 1" hot-plug drives • Backward compatible with 1.6" hot-plug drives 1.6" 1.6" 1.6" Hot-Plug Drive Cage (3x1.6") • Optimized for three 1.6" hot-plug drives 1" 1" 1" 1" 1.6" 1.6" Hot-Plug Duplex Drive Cage • Optimized for four 1" hot-plug drives or two 1.6" hot-plug drives Figure 9. Available drive cage configurations for the Compaq ProLiant 2500 Server. 12