* J21: Turbo LED Connector
1
LED cathode (-)
2
LED anode (+)
* J18, J19,J15,J14: System Speed Selection
J18 J19 J14 J15 CPU Speed
Off On On On 166MHz Pentium
On Off On On 150MHz Pentium
On On Off On 150MHz Pentium
. Off On On Off 133MHz Pentium
On Off On Off 120MHz Pentium
Off On Off Off 100MHz Pentium
On Off Off Off 90MHz Pentium
On On Off Off 75MHz Pentium
*
J14 & J15:CPU Clock Multiplier
J14
J15
CPU Mode
Off
Off
CPU x 1.5(75,90 & 100MHz)
On
Off
CPU x 2 (120 & 133MHz)
On
On
CPU x 2.5(150 & 166MHz)
Off
On
CPU x 3 (150MHz)
*
J10: Reset CMOS and clear Password
OFF:Normal Operation
ON: Clears Password and resets CMOS to default.
*J20:On Board IDE LED
Used to show on board IDE drive activity.
Only pins 1 and 2 are used.
S1461/6-001-01
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