Acrosser Technology AR-B1891, User Manual, Page: 10 / 37

2.2 CPU INSTALLATION
The AR-B1891 embedded board supports a Socket 478 processor socket for Intel
®
Pentium
®
M or
Celeron
®
M processors.
The processor socket comes with a screw to secure the processor. As shown in the left picture below,
loosen the screw first before inserting the processor. Place the processor into the socket by making sure
the notch on the corner of the CPU corresponds with the notch on the inside of the socket. Once the
processor has slide into the socket, fasten the screw. Refer to the figures below.
After you have installed the processor into the socket, check if the jumpers for the CPU type and speed are
correct.