COMe-mSP1 / System Resources
5.4 Peripheral Component Interconnect (PCI) Devices
All devices follow the Peripheral Component Interconnect 2.3 (PCI 2.3) respectively the PCI Express Base 1.0a
specification. The BIOS and OS control memory and I/O resources. Please see the PCI 2.3 specification for details.
PCI Device PCI IRQ Interface Comment
Host Bridge / Memory Controller None - Integrated in chipset
Graphics / Video Controller INTA - Integrated in chipset
USB Client Controller INTA - Integrated in chipset
HD Audio Controller INTA - Integrated in chipset
PCI Express Port (Bridge) INTA - Integrated in chipset
PCI Express Port (Bridge) INTB - Integrated in chipset
UHCI USB Controller 1 INTA - Integrated in chipset
UHCI USB Controller 2 INTB - Integrated in chipset
UHCI USB Controller 3 INTC - Integrated in chipset
EHCI USB Controller INTD - Integrated in chipset
SDIO/MMC Controller 1 INTA - Integrated in chipset
ISA Bridge / LPC Controller None - Integrated in chipset
IDE Controller None - Integrated in chipset
Network Controller INTA PCI Express External i82574
5.5 Internal I2C Bus
I2C Address Used For Available Comment JIDA Bus Nr.
A0h JIDA-EEPROM No EEPROM for CMOS Data 0
A2h JIDA-EEPROM No EEPROM for CMOS Data 0
5.6 JILI I2C Bus
I2C Address Used For Available Comment JIDA Bus Nr.
A0h DDC No Display Data 3
62h MAX6253 No DAC for Backlight brightness 3
5.7 SDVO I2C Bus
I2C Address Used For Available Comment JIDA Bus Nr.
- - - - 2
5.8 System Management (SM) Bus
COMe-mSP1 module:
I2C Address Used For Comment JIDA Bus Nr.
30h/60h STTS424E02 Temp Sensor / SPD - 1
98h Winbond W83L771W HWM - 1
A0h SPD - 1
A2h SPD - 1
D2h Clockgenerator - 1
Additional resources if connected to Evaluation Backplane and MARS
I2C Address Used For Comment JIDA Bus Nr.
12h SMART_Charger Only be used by a SMB Charger 1
14h SMART_Selector Only be used by a SMB Selector or Manager 1
16h SMART_Battery Only be used by a SMB Battery 1
7Eh PLX PEX8606AA PCIe Switch - 1
DCh ICS9DB8801C PCIe Clock Buffer - 1
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