Ampro Corporation LITTLE BOARD P5X - Manual (Page 71)

Little Board/P5x Technical Manual
2–53
Utility 2 Connector (J24)
Utility 2, a 24-pin connector at J24 provides the following connections:
! LIDSW – Simulates the lid switch on a laptop
! PWRBT – Turns off all but minimum power
! BATLOW – Simulates a low battery
! IrDA Interface – Infra-red serial interface signals
! PS/2 Mouse Port
! 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.
Table 2– 48. Utility2 Connector (J24)
Pin Signal Name Function Pin Signal Name Function
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
Table 2– 40. J24 Mating Connector
Connector Type Mating Connector
RIBBON 3M 3626-7600
Latching Clip 3505-8024
DISCRETE WIRE MOLEX HOUSING 22-55-2242
PIN 16-02-0103