Ampro Corporation P5X 用户手册

Little Board/P5x Technical Manual

 

2–53

Utility 2 Connector (J24)

Utility 2, a 24-pin connector at J24 provides the following connections:

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LIDSW – Simulates the lid switch on a laptop

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PWRBT – Turns off all but minimum power

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BATLOW – Simulates a low battery

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IrDA Interface – Infra-red serial interface signals

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PS/2 Mouse Port

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Universal Serial Bus (USB) Interfaces

The signals on the Utility 2 connector are shown in Table 2– 48. Table 2– 40 shows compatible
mating connectors.

1

LIDSW

Lid Switch Input

2

PWRBT-

Power Button Input

3

BATLOW-

Battery Low Input

4

IRMODE

IrDA Mode

5

IRTX

IrDA Transmit

6

IRRX

IrDA Receive

7

Ground

8

Vcc

9

MDATA

PS/2 Mouse Data

10

MCLK

PS/2 Mouse Clock

11

Ground

12

Vcc

13

SMBCLK

Serial Bus Clock

14

SMBDATA

Serial Bus Data

15

USBPWR1

USB1 +5V Power

16

USBPWR2

USB2 +5V Power

17

USBP-1

USB1 Data -

18

USBP-2

USB2 Data -

19

USBP+1

USB1 Data +

20

USBP+2

USB2 Data +

21

USBGND1

USB1 Ground

22

USBGND2

USB2 Ground

23

SHIELD1

Cable Shield for

USB1

24

SHIELD2

Cable Shield for

USB2

RIBBON

3M  3626-7600

Latching Clip 3505-8024

DISCRETE WIRE

MOLEX HOUSING 22-55-2242

PIN 16-02-0103