User`s guide
5.2 Environmental Characteristics
The AlphaPC64 board environmental characteristics are:
• Operating temperature range of 10°C to 40°C (50°F to 104°F)
• Storage temperature range of –55°C to 125°C (–67°F to 257°F)
5.3 Physical Board Parameters
The AlphaPC64 board consists of a 6-layer printed-wiring board. The board
is populated with integrated circuit packages together with supporting active
and passive components. The AlphaPC64 is a baby-AT-size board with the
following dimensions:
• Width: 22.1 cm (8.7 in ± 0.0005 in)
• Length: 33.0 cm (13.0 in ± 0.0005 in)
The board can be used in certain desktop systems that have adequate
clearance for the 21064A heat sink. All ISA and PCI expansion slots are
usable in standard desktop or deskside enclosures.
Figure 5–1 shows the board and component outlines and identifies the major
components. The components are described in Table 5–2. Refer to Chapter 2
for jumper and connector locations.
5–2 Board Requirements and Parameters