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Intel 945GSE, User Manual

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Intel 945GSE User Manual Download Page 26

 

Theory of Operation 

 

 

26 

 

 

Developer’s Kit User Manual 

GPIO23 

LDRQ1# 

LPC DMA master request signal goes to SIO 

GPIO24 No 

connect 

 

GPIO25 No 

connect 

 

GPIO26 

RF_KILL# 

Active low to kill the WLAN card. 

GPIO27 YELLOW_LED_CNTRL 

 

GPIO28 GREEN_LED_CNTRL 

 

GPIO29 USB_OC5# 

 

GPIO30 USB_OC6# 

 

GPIO31 USB_OC7# 

 

GPIO32 

PM_CLKRUN# 

Connects to peripherals that need to prevent clock stop or 

request clock start.  Mobile only 

GPIO33 No 

connect 

 

GPIO34 No 

connect 

 

GPIO35 No 

connect 

 

GPIO36 SATA2_R2 

Pulled 

up 

GPIO37 SATA3_R3 

Pulled 

up 

GPIO38 No 

connect 

 

GPIO39 No 

connect 

 

GPIO48 

PCI_GNT#4 

Pull-down site keep empty to boot to SPI memory range 

GPIO49 H_PWRGD 

 

Summary of Contents for 945GSE

Page 1: ...Developer s Kit User Manual Intel Atom Processor N270 and Mobile Intel 945GSE Express Chipset Development Kit User s Manual September 2008 Revision 002 320436 002...

Page 2: ...latest specifications and before placing your product order Copies of documents which have an order number and are referenced in this document or other Intel literature may be obtained by calling 1 80...

Page 3: ...of Operation 19 3 1 Block Diagram 19 3 2 Mechanical Form Factor 19 3 3 Thermal Management 19 3 3 1 Thermal Solution 20 3 4 Power Management 20 3 4 1 Power Management States 20 3 4 2 Power Measurement...

Page 4: ...Support 34 6 Quick Start 35 6 1 Required Peripherals 35 6 2 Power Up Power Down 35 Figures Figure 1 Intel Atom Processor N270 and Mobile Intel 945GSE Express Chipset Board Top View 14 Figure 2 Intel...

Page 5: ...Developer s Kit User Manual 5 Table 9 CRB LEDs 33...

Page 6: ...6 Developer s Kit User Manual Revision History Document Number Revision Number Description Revision Date 320436 001 Initial release August 2008 320436 002 Updated Chapter 5 EFI Firmware September 2008...

Page 7: ...ce designators and board properties of Intel Atom Processor N270 and Mobile Intel 945GSE Express Chipset FAB B Customer Reference Board This manual is intended to be used with the Development Kit but...

Page 8: ...mary notations That is 255 is a decimal number and 1111 is a binary number In some cases the letter B is added for clarity Units of Measure A GB KB K mA MB MHz ms mW ns pF W V A F s W The following ab...

Page 9: ...etal Oxide Semiconductor CRB Customer Reference Board DDR Double Data Rate DMA Direct Memory Access DVI D Digital Visual Interface Digital only EFI Extensible Firmware Interface FAE Field Application...

Page 10: ...ial Bus VGA Video Graphics Array VID Voltage Identification VRM Voltage Regulator Module WoL Wake on LAN XDP Extended Debug Port 1 4 Technical Support Support Services for your hardware and software a...

Page 11: ...publication or text in hardcopy or CD form please contact our Intel Literature Fulfillment Centers listed in Table 3 Table 3 Intel Literature Centers Location Telephone Number U S and Canada 1 800 54...

Page 12: ...N270 Single Core Datasheet http download intel com design processor datashts 320032 pdf Intel Atom Processor N270 Series Specification Update http www intel com design chipsets embedded specupdt 3200...

Page 13: ...oard populated with the Intel Atom Processor N270 and Mobile Intel 945GSE Express Chipset other system board components and peripheral connectors Note The evaluation board is shipped in a closed chass...

Page 14: ...Getting Started 14 Developer s Kit User Manual Figure 1 Intel Atom Processor N270 and Mobile Intel 945GSE Express Chipset Board Top View...

Page 15: ...equency of 533 MT s or 400 MT s single channel 1GB max Video Integrated graphics One DVI D and one VGA Connector PCI Express On Board LAN RealTek RTL8111C GR The RTL8111C GR is connected to the ICH vi...

Page 16: ...AM S4 Suspend to Disk S5 Soft Off Form Factor Mini ITX 6 75 X 6 75 17 cm X 17 cm Note Review the document provided with the Development Kit titled Important Safety and Regulatory Information This docu...

Page 17: ...s only licensed for evaluation purposes Refer to the documentation in your evaluation kit for further details on any terms and conditions that may be applicable to the granted licenses Customers using...

Page 18: ...GA or DVI D monitor may be used The setup instructions in this chapter assume the use of a standard VGA monitor TV or flat panel monitor Keyboard The development board can support either a PS 2 or USB...

Page 19: ...wn for reference in the block diagram 3 2 Mechanical Form Factor The development board conforms to the mini ITX form factor 6 75 X 6 75 17 cm X 17 cm Internal and rear panel system I O connectors are...

Page 20: ...sign Power TDP for the processor and chipset is less than 10W The system can be passively cooled with a maximum 40 W dissipation 3 4 Power Management 3 4 1 Power Management States 1Table 6 lists the p...

Page 21: ...ent The Intel Atom TM Processor N270 supports C0 C4 power states along with C1E C2E and C4E DPWR protocol is also supported on the CRB 3 5 4 Debug Interfaces An XDP Extended Debug Port connector is pr...

Page 22: ...tel Graphics Media Accelerator 950 with VGA and DVI D through external SDVO to DVI device outputs with maximum resolution support up to 1900x1200 60 Hz 3 7 ICH7M 3 7 1 PCI Expansion Slot Support for o...

Page 23: ...panel One internal header with one USB port is provided on the motherboard to support an internal USB flash drive An additional USB port is routed to the mini card connector 3 7 5 2 USB Flash Drive S...

Page 24: ...Both 12 VDC and 5 VDC are supplied in either ACPI S0 or S1 Due to total power available there may be limitations on the simultaneous powering of a hard disk drive using MB peripheral power connector...

Page 25: ...IO9 IDE_PDIAG1 GPIO10 No connect GPIO11 SMB_ALERT GPIO12 LAN_ISOLATE GPIO13 PCI_PME GPIO14 No connect GPIO15 BIOS Config GPIO16 PM_DPRSLPVR R Mobile only signal used to lower the voltage of VRM during...

Page 26: ...NTRL GPIO28 GREEN_LED_CNTRL GPIO29 USB_OC5 GPIO30 USB_OC6 GPIO31 USB_OC7 GPIO32 PM_CLKRUN Connects to peripherals that need to prevent clock stop or request clock start Mobile only GPIO33 No connect G...

Page 27: ...0 1C 28 1 ICH7M PCIe Port 2 used PCIe Mini card Intel 27D4h PCI to PCI Bridge 00 1C 28 2 ICH7M PCIe Port 3 used for PCIe slot Not implement ed on board 00 1C 28 3 ICH7M PCIe Port 4 Intel 27C8h USB Con...

Page 28: ...Controller Intel 27DAh 00 1F 31 3 ICH7M SMBus Controller Realtk Semicondu ctor 8168h Ethernet Controller 01 00 0 0 RTL8111C Gbe LAN on ICH7M PCIe Port 1 PCIe mini card 02 00 0 0 PCIe Mini card on ICH...

Page 29: ...oper s Kit User Manual 29 4 Hardware Reference 4 1 Primary Features Figure 3 shows the major components of the CRB Figure 3 CRB Components 4 2 Power 12 VDC 5 input power will be supplied via a rear pa...

Page 30: ...ers Standard front panel header with additional pins for wireless activity LED Intel High Definition Audio front panel audio header supporting jack sensing One headphone 3 5mm Tip Ring Sleeve TRS w Li...

Page 31: ...ectors Figure 5 Back Panel DC Power In 12 VDC Power jack PS 2 Mouse Green PS 2 Keyboard Purple Graphics 1 each VGA and DVI D Serial Port 1 each DB 9 Teal or turquoise color coding LAN RJ45 with LED in...

Page 32: ...two or more pins mounted on the motherboard When a jumper cap is placed over two pins it is designated as IN When no jumper cap is to be placed on the jumper it is designated as OUT When a switch is d...

Page 33: ...loper s Kit User Manual 33 4 5 LED Table 9 lists the LEDs that provide status of various functions on the CRB Table 9 CRB LEDs Function Reference Designator DCIN RED D2 5VA RED D3 5VS YELLOW D4 2 5S G...

Page 34: ...urity EFI setup entry password protection options are available for both the Administrator and End User 5 1 3 PXE Boot Support EFI support for network boot capability using Pre boot Execution Environm...

Page 35: ...e the DDR2 SO DIMM in memory socket J2 2 Attach the heat spreader for the processor and chipsets according to the assembly guide Steps to be completed by the user 1 Connect a USB keyboard in one of th...

Page 36: ...nu or equivalent 2 Press the power button on the motherboard at SW1 to begin power down 3 If the system is hung it is possible to asynchronously shut the system down by pressing the power button conti...

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