Processor, Front, And Rear Chassis (4-Pin) Fan Headers; Chassis Intrusion Header; Tpm Header - Intel DB85FL Specification

Intel Desktop Board DB85FL Technical Product Specification
Table 19. Processor, Front, and Rear Chassis
(4-Pin) Fan Headers
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Note: These fan headers use Pulse Width Modulation control for fan speed.
Table 20. Chassis Intrusion Header
Pin Signal Name
1 Intruder#
2 Ground
Table 21. TPM Header
Pin Signal Name
1 PCICLK
3 FRAME
5 PCIRST
7 LAD3
9 VCC3
11 LAD0
13 N/C
15 3VSB
17 GND
19 PWRDWN
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
One PCI Express x16 (3.0/2.x/1.x)
•
Two PCI Express x1 (2.x/1.x)
•
46
(Note)
Pin
2
4
6
8
10
12
14
16
18
20
Signal Name
GND
Key (no pin)
N/C
LAD2
LAD1
GND
N/C
SERIRQ
CLKRUN
N/C