Table 131. Gem424* Controller Gpio Assignment - Intel SC5299BRP Technical Product Specification

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Intel

Entry Server Chassis SC5299-E TPS

Device

Power Well

AT24C512

P5V

AT24C128

P5V

AT24C02

P5V

JP2

P5V

4.3.2.3.2

Temperature Sensor

The 6HDD SATA HSBP provides a National* LM75 or equivalent temperature sensor. The host

can query the LM75 at any time to read the temperature.

The temperature sensor has an I

4.3.2.3.3

Serial EEPROM

The 6HDD SATA HSBP provides an Atmel* 24C02 or equivalent serial EEPROM for storing the

FRU information. The 24C02 EEPROM provides 2048 bits of serial electrically erasable and

programmable read-only memory.

The serial EEPROM has an I

controller.

4.3.2.4

General Purpose Input/Output (GPIO)

The GEM424 controller supports GPIO pins that are customizable. The following table lists the

GPIO pins with their assigned functions.

GEM424 PIN

I/O

Power

NAME

Type

Well

GPIO0

3.3V

GPIO1

3.3V

GPIO2

3.3V

GPIO3

3.3V

GPIO4

3.3V

GPIO5

3.3V

GPIO6

3.3V

GPIO7

3.3V

GPIO8

3.3V

GPIO9

3.3V

Revision 3.1

ViH

ViL

0.7VCC

0.3VCC

0.4V/2.1mA

0.7VCC

0.3VCC

0.4V/2.1mA

0.7VCC

0.3VCC

0.4V/2.1mA

0.7VCC*

0.3VCC*

0.4V/3mA*

C address of 0x90h on Port 0 of the GEM424 controller.

C address of 0xA6h and resides on Port 1 of the GEM424