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Intel CoreTM 2 Duo Processor User Manual

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3100 Chipset
User's Manual
June 2007
2 Duo Processor and
Duo Processor and
Order Number: 316639-002



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  Summary of Contents for Intel Intel CoreTM 2 Duo Processor

  • Page 1 ® Intel Core 2 Duo Processor and ® Intel Core Duo Processor and ® Intel 3100 Chipset User’s Manual June 2007 Order Number: 316639-002...
  • Page 2 Contact your local Intel sales office or your distributor to obtain the 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 1-800-548-4725 or by visiting Intel's website at
  • Page 3: Table Of Contents

    Processors......................11 System Memory ....................11 1.3.1 DDR2-400 DIMM Slot Populations ............. 11 1.3.2 DDR2 DIMM Ordering Overview..............12 ® Intel 3100 Chipset................... 14 1.4.1 On-Board Peripherals ................14 1.4.2 On-Board I/O..................15 1.4.3 I/O Slots for Expansion Capabilities ............17 1.4.4...
  • Page 4 Example of Single-Rank DIMM Population ..............13 Example of Single-Rank and Dual-Rank DIMM Mixing Population ........13 Example of Dual-Rank DIMM Population ..............13 ® Intel 3100 Chipset Block Diagram ................14 PCI On-Board Video Chip ...................15 Floppy Drive Connector .....................15 Front Panel Header ....................16 XDP Connector ......................16...
  • Page 5 Contents CMOS Clear Jumper....................33 Power Connector...................... 34 ATX Power Connector ....................34 Power Connector Cables.................... 35 Power and Reset Buttons ..................36 Back Panel Connectors....................39 ATX Power Connector ....................40 SATA Power Connector ..................... 40 Front Panel Connector ..................... 41 Jumper Block Locations and Pin Connectors ..............
  • Page 6: Revision History

    Revision History Revision History Date Revision Description June 2007 Added support for Intel® Core 2 Duo Processor L7400 to this Customer Reference Board design. March 2007 Initial public release. User’s Manual June 2007 Order Number: 316639-002...
  • Page 7: Product Description

    PS/2* keyboard and mouse ports Support for Advanced Configuration and Power Interface (ACPI), Plug and BIOS Play, SMBIOS, and Intel® Active Management Technology (Intel® AMT) LAN Support Supports Dual Port PCI Express* Gigabit NIC Three PCI Express* x4 bus add-in card connectors Expansion Capabilities One PCI 32/33 bus add in card connector compliant with Specification 2.2...
  • Page 8: Development Kit Contents

    Placing the board on an unknown surface without standoffs may Additional Peripherals short the CRB and result in damage. If CRB is not mounted in a chassis, Intel recommends using provided Standoffs to prevent risk of the bottom of the CRB shorting on a conductive surface. User’s Manual...
  • Page 9: Board Layout

    Product Description 1.1.2 Board Layout Figure 1 shows the location of the major components. Figure 1. Board Components Table 3 lists the components shown in Figure Table 3. Component Layout Description (Sheet 1 of 2) Callout Description 32-bit/33 MHz PCI connector Port B x4 only PCI Express* using x8 connector Port A x4 only PCI Express* using x8 connector (A1) On-board PCI ATI Rage* Mobility Video Chip if available (if not on-board a...
  • Page 10 AUX FAN 1 XDP connector JTAG connector AUX FAN 0 ® Intel 3100 Chipset with active fan Connected to FAN1 Processor with active fan plugged into processor FAN ATX 12 V for SATA power ATX power connector Floppy drive connector...
  • Page 11: Processors

    In this document Processor refers to all processor SKUs listed in Table Table 4. Supported Microprocessors Microprocessor Cores Speed Speed Cache Intel® Core™ 2 Duo Processor L7400 Dual 1.50GHz 667MHz Intel® Core™ Duo processor ULV U2500 Dual 1.20GHz 533MHz Intel® Celeron® M Processor ULV 423 Single 1.06GHz...
  • Page 12: Ddr2 Dimm Ordering Overview

    DIMMs are used. This recommendation is based on the chip select and on-die termination signals routing requirements of the DDR2-400 interface. Intel recommends that you check for correct DIMM placement during BIOS initialization and that all designs follow the DIMM ordering, clock enable...
  • Page 13: Example Of Single-Rank Dimm Population

    Product Description Figure 3. Example of Single-Rank DIMM Population Intel® 3100 Chipset Figure 4. Example of Single-Rank and Dual-Rank DIMM Mixing Population Intel® 3100 Chipset Figure 5. Example of Dual-Rank DIMM Population Intel® 3100 Chipset June 2007 User’s Manual Order Number: 316639-002...
  • Page 14: Intel ® 3100 Chipset

    Product Description ® Intel 3100 Chipset ® Figure 6. Intel 3100 Chipset Block Diagram Processor W DT R egistere d ECC Serial ATA D DR 2 400 6 Drives Single -M e mory ® Intel 31 00 Ch ipset Channe l...
  • Page 15: On-Board I/O

    • The BIOS setup program configures the floppy drive interface Figure 8. Floppy Drive Connector LPC Debug Port The CRB includes one 60-pin card edge connector for LPC. • Aligned with PCI connector (used for Intel Validation Only) June 2007 User’s Manual Order Number: 316639-002...
  • Page 16: Front Panel Header

    Product Description Front Panel Control Pins The CRB includes a 10-pin, dual-row header. • Provides Power Switch pins • Provides Reset Switch pins • Provides LED Power-On pins • Provides LED HD Status pins Figure 9. Front Panel Header Front Panel Header B5786-01
  • Page 17: I/O Slots For Expansion Capabilities

    Product Description The CRB has a 10-pin, dual-row header to route two USB Ports to an external USB connector. • Allows two USB 1.1 or 2.0 ports to be routed to the dual-stack rear I/O or optionally to the 10-pin header from the internal I/O. These USB ports are Port 2 and Port 3.
  • Page 18: Rear Panel I/O Connectors

    Product Description 1.4.4 Rear Panel I/O Connectors Figure 11. Rear Panel I/O Connectors Serial COM ports The CRB provides two Serial COM Ports. • 9-pin male D-sub connectors • COM1 port (closest to PS/2 ports on left, when looking at the back panel) and COM2 port (closest to the USB ports) PS2 Mouse and Keyboard Connectors...
  • Page 19: Hardware Server Management Features

    The CRB uses a Heceta* 7 (LM93) to monitor and communicate through the SMBus. Watch Dog Timer (WDT) ® The Watch Dog Timer (WDT) provides output from the Intel 3100 Chipset to generate one of the following: • PCI_RESET •...
  • Page 20: Supported Operating Systems Fan Power Connection • Direct +12 V DC power connectors • One processor fan connector (CPUFAN) ® • One fan for Intel 3100 Chipset (Fan1) • Two auxiliary fan connectors (AUXFAN) On Board Switches The CRB has the following momentary push button switches to provide state control: •...
  • Page 21: Supported Bios Features

    Product Description Supported BIOS Features The BIOS has an AMI* core with the following components: Table 6. Supported BIOS Features Name of BIOS component Description PCI 2.3 The BIOS is PCI 2.3 compliant. SCSI boot The BIOS supports booting from a plug in SCSI device, if present. LAN boot The BIOS supports booting from a plug in Ethernet device, if present.
  • Page 22: Power Supply

    • Intel 3100 Chipset • DDR2 Fan Headers The CRB provides three fan headers. ® The CRB provides solder down anchors for the Intel 3100 Chipset. Solder Down Anchors ® The Intel 3100 Chipset includes active heatsink mounting holes. The iso-chiller attachment for the processor uses the iso-chiller kit and should be mounted using the standard heatsink mounting holes.
  • Page 23: Heatsinks

    There are both passive and active heatsink designs. Active Heatsinks Active heatsinks (Figure 12 Figure 13) use power and are powered by the platform. ® Figure 12. Intel 3100 Chipset Active Heatsink June 2007 User’s Manual Order Number: 316639-002...
  • Page 24: Processor Active Heatsink

    Product Description Figure 13. Processor Active Heatsink User’s Manual June 2007 Order Number: 316639-002...
  • Page 25: Physical And Mechanical Board Specifications

    We are only exemplifying a passive Heatsink for the chipset, as there are multiple passive heatsink designs for the Processor that can be used (provided appropriate airflow) and are described in the Thermal Design Guide in which your Intel representative can provide to you. ® Figure 14.
  • Page 26: Platform Setup

    Platform Setup Platform Setup Note: Before connecting power make sure that the CRB (Customer Reference Board) is either mounted in a chassis or is on a non-conductive surface to prevent grounding. Ensure a safe work environment. Make sure you are in a static-free environment. Before removing any components from their anti-static packaging.
  • Page 27: Connect Sata Cables

    Port SATA 0 through connector Port SATA 5. These connectors are located in coordinate E4. Figure 15. SATA Ports Note: Intel recommends that your boot drive be connected to SATA Port 0. 2.1.2 Plugging In Memory Note: Refer to section Section 1.3...
  • Page 28: Connecting The Processor

    2.1.4 Connecting Heatsinks and Fans ® 1. The active heatsink for Intel 3100 Chipset should already be connected to the CRB. If this is not the case, plug the fan connector into the “FAN1” connector located in the coordinate F7.
  • Page 29: Processor Fan Mounting Bracket

    Platform Setup Mount the self-adhesive square metal bracket (Figure 18, found in the CoolerMaster* box) on the bottom of the CRB underneath the processor. This bracket lines up with the four holes making a square around the processor and provides the nut for the fan screws to plug into. Note: If there is more than one bracket provided in the CoolerMaster* box, use the bracket with the appropriate length nut threads.
  • Page 30: Connecting Other Peripherals

    Platform Setup Figure 20. Fan Power Connectors Connecting Other Peripherals 2.2.1 Add-in Connectors 1. Connect your PCI Express* add-in cards into the appropriate Port A or Port B x4 PCI Express* slot (Figure 21). Note: The PCI Express* connectors on this CRB are x8 connectors, but only utilize a x4 configuration.
  • Page 31: Rear Panel Connectors

    Platform Setup Figure 21. PCI Express* Connectors PCI 32/33 PCI-E Port A PCI-E Port B B5791-01 2.2.2 Rear Panel Connectors 1. Connect a USB or PS/2* keyboard and/or mouse to the back panel connectors are shown in Section 1.4.4, “Rear Panel I/O Connectors” on page 2.
  • Page 32: Connecting A Floppy Drive

    Platform Setup 2.2.3 Connecting a Floppy Drive Figure 22. Floppy Drive Connector In order to connect a floppy drive, plug the cable into the socket shown in Figure 22 guiding the keyed plug into the keyed socket. Connect the other end of this cable to the floppy drive and providing it power from the power supply.
  • Page 33: Changing The Cmos Battery And Clearing Cmos

    Platform Setup 2.2.5 Changing the CMOS Battery and Clearing CMOS Changing the battery With the board shut down (power supply still in on position), remove the battery and replace with a new battery. picture in Figure 24, “CMOS Battery” on page Note: CMOS batteries rarely go bad, but a good indication that one is bad is that after...
  • Page 34: Power Connector

    1. Remove the extra four-pin connector (shown connected to 20 pin connector in Figure 27 on page 34), if attached, by sliding it out of the groove that attaches it to the main connector. This connector is NOT to be used. Intel recommends adding a label to prevent use. Figure 26.
  • Page 35: Power Connector Cables

    Platform Setup Figure 28. Power Connector Cables This connector is NOT USED This connector is USED B5792-01 2. Plug the main connector into the motherboard located in coordinate K3-4 making sure that the plug clip lines up with the clip lock and the connector pins fit easily into their appropriate slots.
  • Page 36: Turning On And Resetting The Board

    Platform Setup Turning On and Resetting the Board There are two momentary switches on the CRB located in C4. One switch is the power on switch (labeled PWR “SW4C1”) and the other switch is reset (labeled RESET “SW4C2”). These buttons are shown in Figure 29, “Power and Reset Buttons”...
  • Page 37: Technical Reference

    16 bits Open Fixed I/O Map ® Refer to the Intel 3100 Chipset External Design Specification for this information. Interrupts Interrupts can be routed through the I/O xAPIC and supports a total of 24 interrupts. The I/O xAPIC is supported by Microsoft Windows XP*.
  • Page 38: Pci Conventional Interrupt Routing Map

    Technical Reference Table 10. I/O x APIC Interrupts System Resource I/O channel check Reserved, interval timer Reserved, keyboard buffer full Reserved, cascade input from slave PIC User available COM1 User available Diskette drive LPT1 Real-time clock User available User available User available On-board mouse port (if present, else available) Reserved, math coprocessor...
  • Page 39: Connectors

    Technical Reference Table 11. PCI Interrupt Routing Map PCI Interrupt Source ® Intel 3100 Chipset PIRQ Signal Name PIRQA# PIRQB# PIRQC# PIRQD# PCI bus connector 1 INTA INTB INTC INTD Connectors Warning: Only the following connectors have over-current protection: back panel USB, front panel USB, and PS/2* connector.
  • Page 40: Atx Power Connector

    Technical Reference Power Supply Connectors The CRB has two power supply connectors. The main power connector and the SATA power connector. • Main power is supplied through a 2 x10 connector. The CRB requires a standard ATX12V power supply. Figure 31.
  • Page 41: Front Panel Connector

    Technical Reference Table 14. SATA Power Connector Signal Name Signal Name 12 V 12 V Add-in Card Connectors The CRB has the following add-in card connectors: • 2 x4 PCI Express* slots which are Port A • 1 x4 PCI Express* slot which is Port B •...
  • Page 42 Technical Reference Table 16. Front Panel Connector FP_RST_BTN_N Pin (1) for Reset Button Reset Ground pin Pin(2) for reset Button Ground Ground User’s Manual June 2007 Order Number: 316639-002...
  • Page 43: Jumper Block

    Technical Reference Jumper Block Warning: Do not move jumpers when the power is on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the CRB will be damaged. Figure 34 shows the location of the jumper blocks.
  • Page 44: Jumper Block Locations

    2: Ground Do not short Clears CMOS CMOS Clear Jumper J4C3 1-2: Normal 2-3: Clear ® ® 1-2: Disable Intel 3100 Chipset 1.5 V VR Intel 3100 Chipset internal J4C5 Open ® 1.5 VR enable Open: Enable Intel 3100 Chipset 1.5 V VR ®...
  • Page 45 Do not short 2: CPU_GTLREF 1-2: Test Mode CPU Processor Hot Jumper J8G1 Open Open: Normal ® 1-2: Full Speed Intel 3100 Chipset Fan J7G2 Override Jumper Open: Heceta* Controlled Access to FSB_VREF ® Open Intel 3100 Chipset FSB Vref...
  • Page 46: Mechanical Considerations

    Technical Reference Table 17. Jumper Block Locations (Sheet 3 of 3) Default Location Jumper/Header Name Ref Des Description Position SMBUS Access Header 1: SMB_DATA Open PCI SMBUS Segment Header J2G5 2: GND Do not short 3: SMB_CLK 1-2: Not Write Protected Write Protect Jumper J2G1 Open...
  • Page 47: Electrical Considerations

    Technical Reference Figure 35. Form Factor Back Panel Connectors PCI Express* Port Ports DDR2 Memory Intel® 3100 Dimms Chipset SATA Connectors Processor Power connectors 12” Electrical Considerations 3.9.1 DC Loading Table 18 lists the DC loading characteristics of the CRB. This data is based on a DC analysis of all active components within the CRB that impact its power delivery subsystems.
  • Page 48: Add-In Board Considerations

    This circuit protects the processor voltage regulator from overheating and damaging the CRB. Please consult the specific processor datasheet for details about the thermal ® runoff features supported by the processors paired with the Intel 3100 Chipset. The triggering temperature level causes the processor to enter a throttling mode (slowing down the processor if it exceeds its maximum operating temperature) and allow the processor voltage regulator to cool down.
  • Page 49 Note: All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. Intel makes no warranties or representations that merely following the instructions presented in this document results in a system with adequate thermal performance.
  • Page 50: Overview Of Bios Features

    Overview of BIOS Features Overview of BIOS Features Introduction The BIOS is stored in the Firmware Hub (FWH) and can be updated using a BIOS flash programming tool. The FWH contains the BIOS Setup program, Power On Self Test (POST), the PCI auto-configuration utility, and plug-and-play support. The BIOS displays a message during POST identifying the type of BIOS and a revision code.
  • Page 51: Resource Configuration

    Overview of BIOS Features Resource Configuration 4.2.1 PCI Auto Configuration The BIOS automatically configures PCI devices. Currently on the CRB there is a 32/33 PCI add-in card socket. Auto configuration lets a user insert or remove PCI cards without having to manually configure the system. When a user turns on the system after adding a PCI card, the BIOS automatically configures interrupts, the I/O space, and other system resources.
  • Page 52: Bios Updates

    4.5.1 Language Support The BIOS Setup program and help messages are supported in US English. Additional languages are available in the Integrator’s Toolkit utility. Check the Intel website for details. Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives, CD-ROM, USB or a network.
  • Page 53: Usb Boot

    Overview of BIOS Features In order to boot from the LAN, enter the BIOS and select LAN boot as your first boot device. Refer to Section 4.6.5, “Changing the Boot Device” on page 53 for how to change this setting. 4.6.3 USB Boot •...
  • Page 54: Error Messages And Beep Codes

    Error Messages and Beep Codes Error Messages and Beep Codes Speakers The CRB-mounted speaker provides audible error message (beep code) information during POST. The location of the on-board speaker is coordinate D4. BIOS Beep Codes Whenever an error occurs during POST, the BIOS exerts and error tone which indicates the problem.
  • Page 55: Port 80H Post Code Ranges

    Error Messages and Beep Codes The following tables provide information about the POST codes generated by the BIOS: • Table 24 lists the Port 80h POST code ranges • Table 25 lists the Port 80h POST sequence Table 24. Port 80h POST Code Ranges Range (Hex) Category/Subsystem 00 –...
  • Page 56 Error Messages and Beep Codes Table 25. Typical Port 80h POST Sequence (Sheet 2 of 2) POST Code Description Resetting PATA/SATA bus and all devices Detecting the presence of the keyboard Resetting keyboard Clearing keyboard input buffer Resetting PATA/SATA bus and all devices Testing memory Resetting keyboard Clearing keyboard input buffer...