IBM Aptiva 2158

132
SW1(switch 1) Reserved
SW1(switch 2, 3, 4)
Off, On, On
On, On, Off
On, Off, Off
Off, Off, Off*
Bus frequency(MHz)
Host
AGP PCI
66 66 33
75 60 30
95 66 33
10066 33
SW2(switch 1) Reserved
SW2(switch 3, 4)
Off, Off
On, Off
Off, On
On, On*
Bus frequency(MHz)
Host
66
75
95
100
SW2(switch 2)
On*
Off
Password function
Check*
Bypass
SW3(switch 1, 2, 3)
Off, Off, Off
On, Off, On
Off, On, Off
On, On, Off
On, On, On
Off, On, On
Off, Off, On
Bus Clock Ratio
P55C
6X68/M1 M2 P54C/K5 K6
3.5 3.0 3.51.5 3.5
2.0 2.0 2.02.0 4.0
3.0 -- 3.03.0 3.0
2.5 -- 2.52.5 2.5
-- -- -- -- 4.5
-- -- -- -- 5.0
-- -- -- -- 5.5
SW3(switch 4, 5, 6, 7, 8)
Off, On, On, Off, On
Off, On, On, Off, Off
Off, On, Off, Off, On
Off, On, Off, Off, Off
Off, Off, On, Off, Off
Off, Off, Off, On, On
Off, Off, Off, On, Off
CPU Core Voltage
3.3V
3.2V
2.9V
2.8V
2.4V
2.3V
2.2V*
*. Default Setting
2158 System Board Jumper Settings (Continued)
Jumper/Settings Function