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Before you install SIMMs, check the following guidelines to
ensure that the memory modules will work properly:
Cl
Be sure to use SIMMs that operate at a 70ns (nanosecond)
access speed. Each SIMM must have the same access speed.
LI
Use the correct SIMM configuration to add the amount of
memory you want. See the tables on page 5-19.
Once you have the correct SIMMs, you or your dealer can
install them in your computer. If you are going to install them
yourself, follow the instructions below.
Installing Memory Modules
There are 12 SIMM sockets on the main system board. The
sockets are organized in six banks consisting of two sockets
each. Each socket can contain one memory module.
You must fill the sockets in any bank you use. Since each bank
has two sockets, you must install two SIMMs to fill the bank.
One socket in each bank is labeled with an “L” and the other is
labeled with an “H.” For example, Bank 3 is made up of socket
3L and socket 3H. Therefore, if you use Bank 3, you must install
one SIMM in socket 3L and one SIMM in socket 3H.
The following tables show all the possible SIMM configurations
for the Equity 386SX PLUS. Do not install SIMMs in any other
configuration. If your computer came with 2MB of memory, use
the first table; if it came with 1MB, use the second. Keep in
mind that either 1MB or 2MB of memory is already soldered
directly onto the main system board.
5-18 Installing and Removing Options