14 SBC-411/411E User Manual
Installing DRAM (SIMMs)
The SBC-411/411E CPU card provides one 72-pin SIMM (Single In-
line Memory Module) socket and supports between 4 MB to 32
MB of RAM.
Installing SIMM
Note: that the modules can only fit into a socket one way.
1. Insert the memory module into the socket at a moderate angle.
2. Push the module toward the vertical posts at both ends of the
socket until the module is upright, and the retaining clips at
both ends of the module click into place. When positioned
correctly, the pins on top of the vertical posts should corre-
spond to the circular holes on the ends of the module.
Removing SIMM
If you need to remove a SIMM, follow the procedures below:
1. Supporting the SIMM with a finger, use a pen or a similarly
shaped object and press one retaining clip straight down.
2. Repeat for the other side. When released, the retaining clips will
push the SIMM up and out of its upright position.
3. Carefully pull the SIMM out of the socket with your fingers.
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