2-5
Jumper Settings
Table 2-8 lists the settings for the M4Pi’s DIP switch.
Switch
Function
Setting
SW 1
Reserved
off
SW 2
Reserved
off
SW 3
Reserved
off
SW 4
Flash BIOS write protected (default)
Flash BIOS programming enabled
off
on
SW 5
PCI IDE card installed
on
SW 6
33MHz external CPU speed (default)
25MHz external CPU speed
off
on
SW 7
Reserved
on
SW 8
On-board PS/2 mouse uses IRQ12 (PS/2 Version)
on
Table 2-8 DIP Switch Settings
Table 2-9 lists reserved jumper settings. Do not reconfigure these jumpers!
Jumper
Function
Setting
W10
Reserved
1-2
Table 2-9 Reserved Jumper Settings