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2
Installation
Assigning the ISA I/O
Base Address
Installation
The system requirements for ISA, EISA and Micro Channel Platforms
are discussed in this chapter.
Megaport SS Boards appear to the system host processor as memory.
That is, they are memory mapped devices. Each board is automatically
mapped into system memory at the time of device driver installation.
The device driver soft-configures all boards each time the system is
initialized (booted).
This section discusses the I/O address requirements for the Megaport
SS Board installed in an ISA system. (EISA and Micro Channel system
memory requirements are discussed later in this chapter.)
The ISA Megaport SS Board (shown in Figure 2-1) must be assigned a
unique I/O base address. If multiple ISA boards are installed in the
same system, a different address must be assigned to each board. This
procedure should be performed before the board is physically installed.
Figure 2-1. DIP switch location on ISA Megaport SS Board
2-1
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