Digital Equipment STARION 200i, Service Maintenance Manual

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Service Procedures Digital STARION 200i/300i PC
56 MCS Logistics Engineering - Nijmegen
Installation Procedures
Installing a Higher Performance CPU.
The STARION 200i/300i main logic board is equipped with a Pentium processor installed in a ZIF socket.
To install a higher performance CPU:
1) Turn off the computer, is connect external devices, ac power and monitor power.
2) Unlock and remove cover.
3) Lift up on lever to release old CPU.
4) Remove old CPU.
5) Install new CPU.
6) Make sure pin 1 on CPU (notched corner) is aligned with pin 1 on ZIF socket (designation A
on Figure 3 - 16).
7) Return release lever to its original position and then set all appropriate CPU jumpers. Refer to “Main
Logic Board Jumper Settings”.
8) Replace and lock cover, connect external devices and restore power.
NOTE The installed higher-performance CPU might require a different voltage regulator
than the one currently installed. Check the contents of the CPU kit for a voltage
regulator. If it is necessary to change the voltage regulator, refer to “Installing the
CPU Voltage Regulator”.