Intel BX80569QX6850 Datasheet Page 117

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