Vesa Feature Connector; Serial Header; Lbp Vesa Feature Connector (J1K1); Serial Port (Com2H, J3N1) Pinout - Intel AP440FX Technical Product Specification

1.12.3 VESA Feature Connector

Table 8 provides the pinout and signal listing for the LBP VESA feature connector.
Table 8.

LBP VESA Feature Connector (J1K1)

Pin Signal Name / Function
1 Ground
3 Ground
5 Ground
7 Enable External Pixel Data
9 Enable External Sync
11 Enable External Pixel Clock
13 N/C, not used
15 Ground
17 Ground
19 Ground
21 Ground
23 N/C, not used
25 Key (no pin)
27 Key (no pin)
29 IICCLK
31 IICDAT
33 EN1

1.12.4 Serial Header

The COM2 serial port can be accessed using the COM2H header (J3N1) on the motherboard.
Table 9 lists the signals and pinout for the COM2H header.
Table 9.

Serial Port (COM2H, J3N1) Pinout

Pin Signal Name
1 DCD
2 DSR
3 SIN#
4 RTS
5 SOUT#
6 CTS
7 DTR
8 RI
9 GND
10 Key
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Description
Carrier Detect
Data Set Ready
Serial Data In
Request To Send
Serial Data Out
Clear To Send
Data Terminal Ready
Ring Indicator
Chassis Ground
Vacant
Motherboard Description
Signal Name / Function
Pixel Data 0
Pixel Data 1
Pixel Data 2
Pixel Data 3
Pixel Data 4
Pixel Data 5
Pixel Data 6
Pixel Data 7
PCLK, Pixel Clock
BLANKING
HSYNC, Horizontal Sync
VSYNC, Vertical Sync
Ground
Key (no pin)
Ground
N/C
EN2
27