X6800 Datasheet, PDF (117/122 Pages) Intel Corporation – Core2 Extreme Processor

Balanced Technology Extended (BTX) Boxed Processor Specifications
Table 40.
TMA Power and Signal Specifications
Description
+12V: 12 volt fan power supply
IC:
- Peak Fan current draw
- Fan start-up current draw
- Fan start-up current draw maximum
duration
Min
10.2
—
—
—
Typ
12
1.0
—
—
Max
13.8
1.5
2.0
1.0
SENSE: SENSE frequency
—
2
—
CONTROL
21
25
28
NOTES:
1. Baseboard should pull this pin up to 5V with a resistor.
2. Open Drain Type, Pulse Width Modulated.
3. Fan will have a pull-up resistor for this signal to maximum 5.25 V.
Unit
V
Notes
A
A
Second
pulses per
fan
1
revolution
kHz
2, 3
Figure 46. Balanced Technology Extended (BTX) Mainboard Power Header Placement
(hatched area)
Datasheet
117