Buzzer Enabled/Disabled (J18) - Aaeon PCM-5890 Manual

Buzzer enabled/disabled (J18)

Buzzer enabled/disabled
J18
The PCM-5890 CPU card provides two 72-pin SIMM (Single In-
line Memory Module) sockets and supports either Fast Page
Mode (FPM) or Extended Data Output (EDO) DRAM with a
speed of at least 70 ns. Unlike most other CPU cards, the PCM-
5890 supports both single and dual insertion into the memory
bank. Depending on the combination of modules you use, you can
install from 1 MB to 64 MB of RAM.
NOTE:
chips must face the CPU, and their gold pins must point down into
the SIMM socket.
1. Ensure that all power sources are disconnected.
2. Slip the memory module into the socket at a 45 degree angle.
3. 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.
4. Repeat steps 2 and 3 for each module you install.
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*Enable
The modules can only fit into a socket one way. Their
Disable
Chapter 2 Installation 15