Hardware Installation
2.8.6 Disabling the PS/2 Mouse Function
The PS/2 mouse function is normally
enabled and occupies IRQ12.
reassign IRQ12 to another function, you
need to disable the PS/2 mouse function
by setting jumper JP15 to 2-3 and
changing the BIOS setting. For detailed
information on BIOS, see Chapter 3.
2.8.7 Selecting the Flash ROM Type
The AP5V board supports both 5V and
12V Flash ROM types.
board comes with a 5V Flash ROM and
with jumper JP16 set to 1-2. Reset the
jumper to 2-3 if you want to install a 12V
Flash ROM.
2.8.8 Setting the Keyboard Clock
By default, the keyboard clock is set to 8
MHz. However, you may increase it to
12 MHz by simply resetting jumper JP24
to 2-3.
2-14
To
Enabled
(default)
Disabled
Normally, the
+12V
+5V (default)
8 MHz
(default)
12 MHz
JP15
JP16
JP24