Sw1 (5-8): Cpu Voltage Selector - TMC AI5TT User Manual

For Cyrix 6x86MX CPU at 75MHz Bus and Future CPUs
JP17
short
short
short
Note: JP18 is reserved. Default: open
Intel 430TX is designed for 66MHz bus. 75MHz exceeds Intel
430TX specifications and is not guaranteed for normal operation.

4.2 SW1 (5-8): CPU Voltage Selector

For Single Voltage CPU**: Intel P54C, Cyrix 6x86,
SW1 (5-8)
**Default
AI5TT Pentium Baby AT Motherboard User's Manual
Switch
SW1 (1-4)
Setting
1 2 3 4
off off on off
1 2 3 4
off off on on
1 2 3 4
off off off on
AMD K5, IDT C6
Switch Setting
5 6 7 8
on on on on
Chapter 4 Configuring the AI5TT
Bus Clock
Multiplier
75MHz
2x
75MHz
2.5x
75MHz
3x
V V
IO
3.5V
CPU FREQ.
6x86MX
PR200
6x86MX
PR233
6x86MX
PR266
CORE
3.5V
17