Bcm1125H Peripheral Devices; Table 5: Smbus Peripherals; Table 6: Generic Bus Peripherals; Table 7: Gpio Map - Broadcom BCM91125F User Manual

BCM91125F
BCM1125H P
ERIPHERAL
SMBus Channel
0
0
0
1
* = Overwriting the data on the SPD EEPROM could adversely affect the firmware's ability to configure the DRAM correctly.
Chip Select #
CS0
CS6
GPIO Pin #
0
1
7
8
9
15
Description
32-bit universal PCI connector.
Page 10

BCM1125H Peripheral Devices

D
EVICES

Table 5: SMBus Peripherals

SMBus Address
0x2A
0x50
0x54
0x68

Table 6: Generic Bus Peripherals

Description
®
Intel E28F128J3A boot ROM.
HP HDLO-2416 LED display.
BCM1125H Pin Direction
Output
Input
Input
Input
Input
Input

Table 8: PCI Interrupt Map

Interrupt Map
BCM1125H PCI INTA = PCI Connector (J2) INTA
B roadc om C or por ati on
Description
Maxim MAX6654 temperature sensor.
Microchip 28LC128C EEPROM.
®
Atmel AT24C02 SPD EEPROM*.
ST Microelectronic M41T81 RTC.

Table 7: GPIO Map

Description
DEBUG_LED (LED D13).
OUT from RTC.
PHY_INT_L (ORed PHY interrupt from both BCM5421
PHY chips).
NMI_L from switch SW3.
TEMP_ALERT_L from the temperature sensor.
Undefined SW config from the switch (SW4 dip[8]).
User Manual
02/18/04
Document 91125F-UM100-R