VAX 6000 - Cabinet

Cabinet

The VAX 6000 was housed in a cabinet which contained three card cages in the upper portion: a 14-slot XMI card cage on the right for CPU and memory modules, and optional VAXBI Bus hardware on the right. The VAXBI hardware distinguished two versions of the VAX 6000 platform, XMI-1 and XMI-2. XMI-1 differed from XMI-2 by requiring a DWMBA adapter and the presence of two 6-slot VAXBI channels, whereas in the XMI-2 platform, VAXBI was an optional feature and, if required, it was provided as a single 12-slot channel. In both versions, VAXBI was provided by two 6-slot VAXBI card cages.

Below the card cages was the cooling system, which took up most of the volume in the cabinet. The bottom of the cabinet contained a battery backup unit and provisions for two RA90 or RA92 hard disk drives. The battery back up unit could provide power to the system for one second in the event of a power failure, after which the system ceased to operate, but continued to preserve the data in the cache and memory for ten minutes.

The cabinet was 154 cm (60.5 in) high, 78 cm (30.5 in) wide and deep; and weighed 341 kg (750 lbs).

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