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4.2.12. Feature Connector

2x13-pin 2.0 pitch standard wafer connector

The feature connector of AmITX-BT-I provides Case Open, I

C, SMBus, and GPIO(10pin).

Signal Description

TEMPS Analogue temp sensor, connect to analog input of BMC

EXT_BAT Connect to RTC power

CASE_OPEN# Any time case open occurred, system will notice/show case open alert in

POST when the next booting.

I2CC / I2CD Connect to BMC (I2C Master)

I2C SEMA

Pin # Signal Pull U/D Ioh/ Iol Type Note Pin # Signal Type Ioh/ Iol Pull U/D Note

1 CASE_OPEN# PU 2M - I 2 SMBC OT /4mA PU 10K 1

3 GND - - PWR 4 SMBD OT /4mA PU 10K 1

5 TEMPS - I 2 6 I2CC OT - PU 10K 1

7 EXT_BAT - PWR 8 I2CD OT - PU 10K 1

9 SB3V3 - - PWR 10 SB5V PWR - -

11 GND - - PWR 12 GND PWR - -

13 GPIO0 - PU10K3V3 IOT 14 GPIO1 IOT PU10K3V3

15 GPIO2 - PU10K3V3 IOT 16 GPIO3 IOT PU10K3V3

17 GPIO4 - PU10K3V3 IOT 18 GPIO5 IOT PU10K3V3

19 GPIO6 - PU10K3V3 IOT 20 GPIO7 IOT PU10K3V3

21 GPIO8 PU10K3V3 IOT 22 GPIO9 IOT PU10K3V3

23 GND - PWR 24 SUS_S3# O 25/25mA -

25 12V - - PWR 26 SUS_S4# O 25/25mA -

27 PWR_OK - 25/25mA O 28 SUS_S5# O 25/25mA -

Note 1: Pull-up to +3V3Dual (+3V3 or SB3V3).

Note 2: Input to SEMA.

1 2

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 47 48

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