Chapter 3: Installation
Manual Number: 00431-220-5
Page 3-5
CAUTION!
To avoid damage to your single-board computer when changing processors, you
must adjust the settings on
both
S1 and JP3 (described later in this chapter).
Follow the steps below to install a new CPU onto your board.
1. Push the lever arm of the ZIF socket down and away from the socket. Then lift the arm to a vertical
position.
2. Align the CPU with the ZIF socket so that pin 1 of the CPU is above pin 1 on the socket. When
properly aligned, the angled corner of the CPU aligns with the angled corner of the socket.
3. Place the CPU in the socket. When properly positioned, the CPU will drop into place.
4. Lower the ZIF socket lever to its original position to lock the CPU into place.
5. Make sure that S1 and JP3 are correctly set for the new processor. Otherwise, your system may
run more slowly than required or the processor may be damaged. Refer to the sections on
jumper settings and processor speed settings, later in this chapter.
6. Refer to instructions provided with your heatsink fan assembly to install the CPU fan.
7. Connect the fan to the power connector at J12 (
Figure 3-5
).
Jumper Settings
The SB586T series has three jumpers and a DIP switch that may require adjustment.
Figure 3-5
shows the jumper locations. (JP2 has different locations in the SB586TT and SB586TU boards, but
this jumper presently requires no customer attention on any board in the SB586T series.)
JP1
JP1 allows you to enable IRQ12 and disable a PS/2 mouse. If you need the interrupt, but do not
need the mouse, just remove the shunt.
JP2
JP2 is for factory use only.
JP3
JP3 sets voltage levels for different processors. If you change the processor, you must change the
settings on S1
and
JP3. Both S1 and JP3 are discussed in more detail later in this chapter.