AT&T 6386 WGS, Installation And Maintenance Manual

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Installing Additional Memory
It will be necessary to install additional memory on 6386 and 6386SX WGS
processors to bring the system total up to a minimum of 4 MB. It may be
desirable to install additional memory on all models to increase the total
system memory beyond 4 MB. Instructions are provided for adding memory
to all configurations.
Installing Additional Memory in 6386 and 6386E WGS
The 6386 and 6386E WGS
shown in Figure 2-11. This processors use a special memory expansion board
memory board plugs into one of the 32-bit slots.
FIGURE 2-11 6386 and 6386E WGS Memory Expansion Board
The memory expansion
Modules (SIMMs). The
board has 16 sockets for Single
sockets are grouped in “banks”
In-line Memory
numbered 0, 1, 2,
and 3. The memory board comes with SIMMs installed in bank 0. You can
add sets of four SIMMs in bank 1 or in banks 1, 2, and, 3. Total memory
depends on the SIMMs used: 256 KB SIMMs allow 1, 2, or 4 MB capacity;
1 MB SIMMs allow 4, 8, or 16 MB capacity. Either 256 KB or 1 MB
SIMMs can be used, but the two diferent types cannot be mixed on the
same board.
2-16 Hardware Installation and Maintenance