User's Manual

1-18

Chapter 1: Product introduction

H81T

H81T RTC battery header

PIN 1

VBAT

GND

BATT_CON

11. RTC Battery header (2-pin BATT_CON)

This connector is for the lithium CMOS battery.

12. LVDS connector (40-pin LVDS)

This connector is for an LCD monitor that supports Low-voltage Differential Signaling

(LVDS) interface.

H81T

H81T LVDS connector

LVDS

PIN 1

13. Flat panel display brightness (8-pin LCD_BLKT_PANEL)

This connector is for the LCD panel brightness controls.

H81T

H81T Flat Panel Display Brightness

PIN 1

BKLT_EN

BKLT_PWM

BKLT_PWR

BKLT_GND/Brightness_GND

Brightness_up

Brightness_Down

LCD_BLKT_PANEL

H81T

H81T DMIC connectors

PIN 1

+3.3V

DMIC_DATA

DMIC_CLK

GND

DMIC

14. DMIC connectors (4-pin DMIC)

The DMIC connector is for connecting the digital microphone module used in All-in-One

chassis.