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Thermal Considerations

VL-EPU-3311 Reference Manual

Table 17: Temperature Monitoring Programs

Operating System

Program Type

Description

Windows

Core Temperature

http://www.alcpu.com/CoreTemp/

Hardware Monitor

http://www.cpuid.com/softwares/hwmonitor.html

Open Hardware Monitor

http://openhardwaremonitor.org/

Linux

lm-sensors

http://en.wikipedia.org/wiki/Lm_sensors

Summary of Contents for VL-EPU-3311

Page 1: ...Hardware Reference Manual REV November 2020 Osprey VL EPU 3311 Intel Atom E38xx based Embedded Processing Unit with SATA Ethernet USB Serial Video Mini PCIe Sockets and microSD ...

Page 2: ...ensure this document is error free VersaLogic makes no representations or warranties with respect to this product and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose VersaLogic reserves the right to revise this product and associated documentation at any time without obligation to notify anyone of such changes Other names and brands may be cla...

Page 3: ...S information and upgrades Customer Support If you are unable to solve a problem after reading this manual visiting the product support page or searching the KnowledgeBase contact VersaLogic Technical Support at 503 747 2261 VersaLogic support engineers are also available via e mail at Support VersaLogic com Repair Service If your product requires service you must obtain a Returned Material Author...

Page 4: ... wrapper place the board on a grounded static free surface component side up Use an antistatic foam pad if available The board should also be protected inside a closed metallic antistatic envelope during shipment or storage Note The exterior coating on some metallic antistatic bags is sufficiently conductive to cause excessive battery drain if the bag comes in contact with the bottom side of the O...

Page 5: ...tion using both the LVDS and the Mini DisplayPort connectors will fail to show output on the LVDS port unless the operating system is configured to boot in UEFI mode Single display configurations do not have an issue In Ubuntu 14 04 if an LVDS monitor goes into power saving mode or the operating system goes into suspend or hibernate mode the LVDS monitor will fail to come back on BIOS An installed...

Page 6: ...d Configuration 18 Jumper Configuration Summary 18 Board Features 19 CPU 19 CPU Die Temperature 19 System RAM 19 Flash Storage 19 I O Interfaces 20 Real Time Clock RTC 20 Watchdog Timer 20 External Connectors 21 Baseboard Connector Locations 21 Power Delivery 22 Main Power Connector 22 Cabling 23 Power Requirements 23 Power Delivery Considerations 23 Power Button 24 Supported Power States 24 Batte...

Page 7: ...onnector 44 LVDS Backlight Connector 46 Network Interfaces 47 Ethernet Connector 47 Cabling 48 Ethernet Status LEDs 49 VL CBR 4005B Paddleboard 50 VL CBR 4005B Connectors and Indicators 50 User I O Connector 51 Cabling 52 On board Battery 52 Auxiliary I O Connector 53 Dimensions and Mounting Holes 54 Thermal Considerations 55 Selecting the Correct Thermal Solution for Your Application 55 Heat Plat...

Page 8: ... 6 Mini PCIe mSATA Socket Pinout 33 Table 7 Mini PCIe Card Wireless Status LEDs 35 Table 8 User I O Connector Pinout and Pin Orientation 38 Table 9 COM1 COM2 Connector Pinout 40 Table 10 Mini DisplayPort Connector Pinout 42 Table 11 LVDS Flat Panel Display Connector Pinout 45 Table 12 LVDS Backlight Connector Pinout 46 Table 13 Ethernet Connector Pinout 48 Table 14 User I O Connector Pinout 51 Tab...

Page 9: ...igure 20 Location and Pin Orientation of the Serial I O Connector 39 Figure 21 Location of the Mini DisplayPort Connector 42 Figure 22 VL CBR 2032 Mini DisplayPort to VGA Adapter 43 Figure 23 Location of the LVDS Connectors 44 Figure 24 Location and Pin Orientation of the Ethernet Connector 47 Figure 25 Onboard Ethernet Status LEDs 49 Figure 26 VL CBR 4005B Connectors Switches and LEDs 50 Figure 2...

Page 10: ...VL EPU 3311 Reference Manual 10 Introduction Figure 1 The Osprey VL EPU 3311 1 ...

Page 11: ...3 0 2 0 port Two RS 232 422 485 COM ports One Mini DisplayPort interface One LVDS interface Two Mini PCIe mSATA sockets one full length one half length Full ACPI support One SATA port 3 0 Gbits s One microSD socket Watchdog Timer prescaler of approximately 1 μs to 10 minutes Standard heat plate with optional thermal solutions Optional mounting plate Field upgradeable AMI UEFI BIOS with enhancement...

Page 12: ...Introduction VL EPU 3311 Reference Manual 12 Block Diagram Figure 2 Osprey VL EPU 3311 Block Diagram ...

Page 13: ...ction VL EPU 3311 Reference Manual 13 Dimensions and Mounting Osprey Dimensions Figure 3 provides the board s dimensions Figure 3 Osprey Dimensions and Mounting Holes Not to scale All dimensions in millimeters ...

Page 14: ...Introduction VL EPU 3311 Reference Manual 14 VL HDW 405 Mounting Plate Dimensions Figure 4 Mounting Plate Dimensions Not to scale All dimensions in millimeters ...

Page 15: ...g system OS installation CD ROM Basic Setup The following steps outline the procedure for setting up a typical development system The Osprey should be handled at an ESD workstation or while wearing a grounded antistatic wrist strap Before you begin unpack the Osprey and accessories Verify that you received all the items you ordered Inspect the system visually for any damage that may have occurred ...

Page 16: ...A monitor to the baseboard s Mini DisplayPort connector using a VL CBR 2032 Attach a SATA hard disk to the baseboard s SATA connector using a VL CBR 0701 or VL CBR 0702 cable Attach a VL CBR 4005B paddleboard to the baseboard s User I O connector Connect a USB keyboard and USB mouse to the USB Type A connectors on the VL CBR 4005B paddleboard ...

Page 17: ...age of user defined BIOS settings This enables you to retrieve those settings from cleared or corrupted CMOS RAM or battery failure All BIOS defaults can be changed except the time and date BIOS defaults are updated using the BIOS Update Utility CAUTION If BIOS default settings make the system unbootable and prevent the user from entering the BIOS Setup utility the Osprey must be serviced by the f...

Page 18: ...ed Configuration Jumper Configuration Summary Table 1 Jumper Block V1 Endpoint Termination Pins Function Description 1 2 COM2 termination Jumper In Endpoint termination for RS 485 or RS 422 Jumper Out Not terminated RS 232 3 4 COM1 termination Jumper In Endpoint termination for RS 485 or RS 422 Jumper Out Not terminated RS 232 ...

Page 19: ...r manage thermal attributes of the processor It implements thermal based clock throttling and thermal based speed step transitions There is one thermal sensor on the processor that triggers Intel s thermal monitor the temperature at which the thermal sensor triggers the thermal monitor is set during the fabrication of the processor Triggering of this sensor is visible to software by means of the t...

Page 20: ...and LVDS beginning on page 41 Network Interfaces beginning on page 47 Real Time Clock RTC The Osprey features a real time clock calendar RTC circuit The Osprey supplies RTC voltage in S5 S3 and S0 states but requires an external 2 75 V to 3 3 V battery connection Refer to the section titled Battery Power Options on page 25 for more information The RTC can be set using the BIOS Setup utility Watchd...

Page 21: ...rd Connector Locations Table 3 Links to Sections Describing Connectors USB 3 0 page 31 microSD page 30 Mini PCIe mSATA page 32 Mini PCIe page 32 User I O page 51 Serial I O page 39 Battery page 25 Ethernet page 47 Mini DisplayPort page 41 SATA page 29 Main Power page 22 LVDS Display page 44 LVDS Backlight page 46 ...

Page 22: ...Power Connector Main input power is applied to the Osprey through an 8 pin power connector Figure 8 shows the location and the pin orientation of the main power connector Table 4 lists the pinout of the main power connector Figure 8 Main Power Connector Pin Orientation ...

Page 23: ...provided to the CPU module The exact power requirements for the Osprey depend on several factors including CPU configuration the number of cores CPU clock rate memory configuration peripheral connections and attached devices and others For example driving long RS 232 lines at high speed can increase power demand The VersaLogic VL PS ATX12 300A is a 1U size ATX power supply suitable for use with th...

Page 24: ...tor uses IEC 61000 4 2 rated TVS components to help protect against ESD damage A power button is provided on the VL CBR 4005B paddleboard Refer to the chapter titled VL CBR 4005B Paddleboard beginning on page 50 for more information Supported Power States Table 5 lists the Osprey s supported power states Table 5 Supported Power States Power state Description S0 G0 Working S1 G1 S1 All processor ca...

Page 25: ...hrough the battery connector Use the battery supplied with the CBR 4005B paddleboard Figure 9 shows the location and pin orientation of the battery connector Figure 9 Location and Pin Orientation of the Battery Connector Cabling If your application requires a custom cable the following information will be useful VL EPU 3311 Board Connector Mating Connector Molex 501331 0207 Molex 501330 0200 VL CB...

Page 26: ...t The User I O connector shown in Figure 19 on page 37 includes an input for a push button reset switch Shorting pin 18 to ground causes the Osprey to reboot This must be a mechanical switch or an open collector or open drain active switch with less than a 0 5V low level input when the current is 1 mA There must be no pull up resistor on this signal This connector uses IEC 61000 4 2 rated TVS comp...

Page 27: ...ernet port 1 Figure 25 page 49 D12 Wireless WAN LAN activity for module installed in full length Mini PCIe card socket dual LED Table 7 page 35 D13 Status of power and wireless PAN activity for module installed in full length Mini PCIe card socket dual LED Table 7 page 35 D14 Wireless WAN LAN activity for module installed in half length Mini PCIe card socket dual LED Table 7 page 35 D15 Status of ...

Page 28: ...he following status Green indicates power good when the Osprey in an S0 state When in sleep modes the LED pulses with a very low duty cycle Yellow indicates a software fault If this LED remains lit after power cycling the Osprey contact VersaLogic Customer Support Figure 12 Location of the Power good Fault Indicator LED ...

Page 29: ...latching capability Power to SATA drive is supplied by the ATX power supply Note that the standard SATA drive power connector is different from the common 4 pin Molex connector used on IDE drives Most current ATX power supplies provide SATA connectors and many SATA drives provide both types of power connectors If the power supply you are using does not provide SATA connectors adapters are availabl...

Page 30: ...eries of microSD cards provide solid state storage of 2 GB 4 GB or 8 GB The microSD socket accommodates cards with up to 32 GB of storage capacity Figure 14 Location of the microSD Socket eMMC Flash The Osprey provides on board eMMC Flash storage on certain models of the product Specifically VL EPU 3311 EAP none VL EPU 3311 EBP 4 GB VL EPU 3311 EDP 8 GB ...

Page 31: ...VL EPU 3311 Reference Manual 31 Multi purpose I O USB Interface As shown in Figure 15 the Osprey provides access to seven USB ports Figure 15 Location of the USB Ports 5 ...

Page 32: ...Bus interface The socket is compatible with plug in Wi Fi modems GPS receivers MIL STD 1553 flash data storage and other cards for added flexibility For information on Mini PCIe modules available from VersaLogic contact Sales VersaLogic com The VL MPEs F1E series of mSATA modules provide flash storage of 4 GB 16 GB or 32 GB To secure a Mini PCIe card or mSATA module to the on board standoffs use t...

Page 33: ...d 16 NC Not connected Reserved Not connected 17 NC Not connected Reserved Not connected 18 GND Ground GND Ground 19 NC Not connected Reserved Not connected 20 W_DISABLE Wireless disable Reserved Not connected 21 GND Ground GND Ground 22 PERST Card reset Reserved Not connected 23 PERn0 PCIe receive B Host receiver diff pair 24 3 3VAUX 3 3 V auxiliary source 3 3V 3 3 V source 25 PERp0 PCIe receive B...

Page 34: ...for mSATA module detection 3 This signal drives the blue LED activity indicator shown in Figure 18 This LED lights with mSATA disk activity if supported by the mSATA module 4 Some Mini PCIe cards use this signal as a second Mini PCIe card wireless disable input On the Osprey this signal is available for use for mSATA versus Mini PCIe card detection There is an option on the VersaLogic Features BIO...

Page 35: ...stalled in the full length module socket LEDs D14 and D15 provide status for modules installed in the half length module socket Table 7 Mini PCIe Card Wireless Status LEDs LED Color State Description D12 Socket for full length modules D14 Socket for half length modules Green On Wireless WAN active Off Wireless WAN inactive Yellow On Wireless LAN active Off Wireless LAN inactive D13 Socket for full...

Page 36: ...TA Activity LED Figure 18 shows the location of the SATA mSATA activity blue LED This LED indicates activity on either the SATA or the mSATA interface Not all mSATA drives provide this disk activity signal Figure 18 Location of the SATA mSATA Activity LED ...

Page 37: ...sters There are eight timer signals and they share digital I Os 16 9 The eight GPIO lines on the paddleboard each have an alternate mode accessible using the FPGA s AUXMOD1 register Refer to the EPU 3311 Programmer s Reference Manual for more information on FPGA registers Three LEDs two Ethernet link status LEDs and a programmable LED Two I2 C signals clock and data Push button power switch Push b...

Page 38: ... 3 and 4 3 This 3 3 V power goes off in sleep modes The SPKR uses this power as should the PLED there is no requirement for PLED to use this power but the VL CBR 4005B paddleboard does 4 This 3 3 V power can be turned on or off similar to the 3 3V power to the Mini Card via the FPGA can go off in sleep modes or always stay on by default it goes off in sleep modes It is used for the 10 kΩ pullup re...

Page 39: ... be operated in RS 232 RS 422 or RS 485 mode IRQ lines are chosen in the BIOS Setup utility The UARTs are 16550 based serial ports and are implemented in the FPGA Figure 20 shows the location and pin orientation of the serial I O connector Figure 20 Location and Pin Orientation of the Serial I O Connector 6 ...

Page 40: ...1 Board Connector Mating Connector Molex 501331 1007 Molex 501330 1000 COM Port Configuration The board s jumper block configures the serial ports for RS 232 or RS 485 RS 422 operation See the section titled Jumper Blocks on page 18 for details The termination resistor should only be enabled for RS 485 or RS 422 endpoint stations and not for intermediate stations Termination must not be used for R...

Page 41: ...ree interfaces Main Link transfers high speed isochronous video and audio data Auxiliary channel used for link management and device control the EDID is read over this interface Hot Plug Detect indicates that a cable is plugged in The DisplayPort interface supports Audio signaling DP mode allowing connection to an HDMI device through a passive adapter Passive means that the adapter does not requir...

Page 42: ...ctor Table 10 Mini DisplayPort Connector Pinout Pin Signal Pin Signal 1 GND 2 HOT PLUG DETECT 3 ML_LANE0_P 4 CONFIG 1 5 ML_LANE0_N 6 CONFIG 2 7 GND 8 GND 9 ML_LANE1_P 10 ML_LANE3_P 11 ML_LANE1_N 12 ML_LANE3_N 13 GND 14 GND 15 ML_LANE2_P 16 AUX_CH_P 17 ML_LANE2_N 18 AUX_CH_N 19 GND 20 DP_POWER 3 3V ...

Page 43: ...VGA adapter similar to the one shown in Figure 22 Figure 22 VL CBR 2032 Mini DisplayPort to VGA Adapter Mini DisplayPort Cable Options There is a 36 inch Mini DisplayPort to Mini DisplayPort cabling option available VL CBR 2031 There is also a Mini DisplayPort to HDMI 6 inch cable available VL CBR 2033 There is a Mini DisplayPort to VGA cable kit as well VL CBR 2032 ...

Page 44: ... DE on the 4 differential data output pairs The LVDS interface supports a maximum resolution of 1280 x 768 60 Hz Figure 23 shows the location of the LVDS display connector as well as the location and pin orientation of the LVDS back light connector The BIOS Setup utility provides several options for standard LVDS flat panel types If these options do not match the requirements of the panel you are ...

Page 45: ... Ground 19 3 3V 3 3 V Protected 20 3 3V 3 3 V Protected The 3 3V power provided to pins 19 and 20 is protected by a software controllable power switch 1 Amp max This switch is controlled by the LVDD_EN signal from the LVDS interface controller in the CPU Cabling The following LVDS cables are available for use with the Osprey board VL CBR 2015 a 20 inch 24 bit LVDS 1mm Hirose cable VL CBR 2016 a 20...

Page 46: ...KLT_CTRL LVDS backlight control 5V TTL level signal by default but will operate at higher voltages if the LVDS_BKLT_PWR is provided This is a PWM signal and the duty cycle can be set in the BIOS Setup utility 4 LVDS_BKLT_LOGIC_PWR Optional backlight logic power Can range from 5V to 14V and sets the high value on the LVDS_BKLT_EN and LVDS_BKLT_CTRL signals On board 5V power is used when this is not...

Page 47: ...able to support a variety of operating systems For more information on this device refer to the Intel I210 Ethernet Controller datasheet Integrator s Note Ethernet Port 1 supports network boot Port 0 does not Ethernet Connector The Ethernet connector provides access to the Ethernet ports 0 and 1 The connector uses IEC 61000 4 2 rated TVS components to help protect against ESD damage Figure 24 show...

Page 48: ..._DC 7 Auto Switch Tx or Rx BI_DA 8 Auto Switch Tx or Rx BI_DA Port 1 9 Auto Switch Tx or Rx BI_DD 10 Auto Switch Tx or Rx BI_DD Port 1 11 Auto Switch Tx or Rx BI_DB 12 Auto Switch Tx or Rx BI_DB 13 Auto Switch Tx or Rx BI_DC 14 Auto Switch Tx or Rx BI_DC 15 Auto Switch Tx or Rx BI_DA 16 Auto Switch Tx or Rx BI_DA Cabling An adapter cable part number CBR 1604 is available This is a 12 inch 16 pin C...

Page 49: ...erence Manual 49 Ethernet Status LEDs Figure 25 shows the location of the Ethernet status LEDs LED D10 indicates link activity on Ethernet port 0 LED D11 indicates link activity on Ethernet port 1 Figure 25 Onboard Ethernet Status LEDs ...

Page 50: ...anual 50 VL CBR 4005B Paddleboard VL CBR 4005B Connectors and Indicators Figure 26 shows the locations of the connectors switches and LEDs on the VL CBR 4005B paddleboard Figure 26 VL CBR 4005B Connectors Switches and LEDs 9 ...

Page 51: ... 14 User I O Connector Pinout Pin Signal Pin Signal 1 5 V 2 GND 3 USB1_P 4 USB2_P 5 USB1_N 6 USB2_N 7 5V 8 GND 9 USB3_P 10 USB4_P 11 USB3_N 12 USB4_N 13 3 3 V Note 1 14 GND 15 SPKR 16 PLED 17 PWR_BTN 18 RST_BTN 19 GND 20 GND 21 I2C Clock 22 V_BATT 23 I2C Data 24 V_BATT_RETURN 25 GND 26 GND 27 GPIO1 28 GPIO2 29 GPIO3 30 GPIO4 31 GND 32 GND 33 GPIO5 34 GPIO6 35 GPIO7 36 GPIO8 37 3 3 V Note 2 38 GND ...

Page 52: ...05A is available for connecting the VL CBR 4005B paddleboard to the EPU 3311 This is a 12 inch Pico Clasp 40 pin to 40 pin cable If your application requires a custom cable the following information will be useful CBR 4005B Board Connector Mating Connector Molex 501571 4007 Molex 501189 4010 On board Battery CAUTION To prevent shorting premature failure or damage to the Lithium battery do not plac...

Page 53: ...Connector Table 15 Auxiliary I O Connector Pinout Part Number and mating connector information for this I O connector Part number Amphenol 98414 F06 20ULF Mating connector Amphenol 90311 020LF Pin Signal Pin Signal 1 I2C Clock 2 V_BATT 3 I2C Data 4 V_BATT_RETURN 5 GND 6 GND 7 GPIO1 8 GPIO2 9 GPIO3 10 GPIO4 11 GND 12 GND 13 GPIO5 14 GPIO6 15 GPIO7 16 GPIO8 17 3 3 V 18 GND 19 Ethernet Port 0 LED 20 ...

Page 54: ...VL CBR 4005B Paddleboard VL EPU 3311 Reference Manual 54 Dimensions and Mounting Holes Figure 29 VL CBR 4005B Dimensions and Mounting Holes ...

Page 55: ... a thermal solution using the accessories available from VersaLogic or develop their own thermal solution that attaches to the heat plate suitable for environments in which the EPU 3311 will be used As stated above the thermal solution must be capable of keeping the top surface of the heat place at or below 90 ºC and the air surrounding the components in the assembly at or below 85 ºC The heat pla...

Page 56: ...e requirement as needed CPU Thermal Trip Points The CPU cores in the Osprey have their own thermal sensors Coupled with these sensors are specific reactions to three thermal trip points Table 16 describes the three thermal trip points Note that these are internal temperatures that are about 10 ºC above the heat plate temperature Table 16 CPU Thermal Trip Points Trip Point Description Passive Note ...

Page 57: ...nitoring Programs Operating System Program Type Description Windows Core Temperature http www alcpu com CoreTemp Hardware Monitor http www cpuid com softwares hwmonitor html Open Hardware Monitor http openhardwaremonitor org Linux lm sensors http en wikipedia org wiki Lm_sensors ...

Page 58: ...ng the EPU 3311 needs to be maintained at 85 ºC or below This includes the space between the two main boards as well as the space beneath an installed Mini PCIe expansion board A recommended overall air flow of 100 linear feet per minute LFM 0 5 linear meters per second LMS addresses this requirement If this air flow is not provided other means must be implemented to keep the adjacent air at 85 ºC...

Page 59: ...aLogic VL MPEe E3 Mini PCIe Gigabit Ethernet module Two active Ethernet ports in loopback configuration Two USB 2 0 ports in loopback configuration Note USB keyboard and mouse Note BIOS ID string Osprey_3 1 0 334 r1 101 Passive thermal trip point setting 105 ºC Critical thermal trip point setting 110 ºC Operating system Microsoft Windows 7 SP1 Test software Passmark BurnIn Test v7 1 b1017 CPU util...

Page 60: ...io 1 Single Core EPU 3311 EAP HDW 406 Heat Sink At 90 CPU utilization this single core unit operates within the CPU s core temperature safe operating range all the way up to 85 ºC using only a heat sink Figure 30 EPU 3311 EAP Single Core Temperature Relative to Ambient Temperature ...

Page 61: ... sink the core temperature is slightly above 100 ºC at maximum ambient temperature This will be less in most applications that require less than 90 CPU utilization Adding the fan provides an additional 5 6 ºC of margin For long term reliability ensure the CPU cores are predominately running with their temperatures below 100 ºC Figure 31 EPU 3311 EBP Dual Core Temperature Relative to Ambient Temper...

Page 62: ... Core EPU 3311 EDP HDW 406 Heat Sink with without HDW 411 Fan As shown below the quad core version of the Osprey will typically require a heat sink fan for operation above 80 ºC at 90 CPU utilization Figure 32 EPU 3311 EDP Quad Core Temperature Relative to Ambient Temperature ...

Page 63: ... EPU 3311 heat plate with Three 4 mm x 225 mm copper water heat pipes The EPU 3311 is inside an environmental chamber at the noted temperatures Thermal solution at far end of heat pipes HDW 408 heat pipe block attached to a HDW 406 heat sink The thermal solution is outside of the environmental chamber in free air at an ambient temperature of 25 ºC Active Configuration Same as above with an added H...

Page 64: ... an ATX style connection VL HDW 408 Heat Pipe Block mounts to heat plate Hardware Assembly There are two basic assembly methods Heat plate down in relation to the enclosure Heat plate up These assembly methods are shown in Figure 34 and Figure 35 respectively An optional mounting plate VL HDW 405 can be used with either method Heat Plate Down Figure 34 a representative image of a similar VersaLogi...

Page 65: ...The compound is supplied in the VL CKR BB11 cable kit or sold separately as part number VL HDW 401 Heat Plate Up Use this assembly method if you are adding a heatsink to the standard Osprey heat plate Figure 35 a representative image of a similar VersaLogic product shows the assembly including the optional HDW 405 mounting plate and optional HDW 406 heatsink Figure 35 Hardware Assembly with Heat P...

Page 66: ...ribed on the Arctic Silver website http www arcticsilver com 2 Position the passive heat sink Using Figure 36 as a guide align the six mounting holes of the heat sink with the heat plate 3 Secure the passive heat sink to the heat plate Affix the passive heat sink to the heat plate using six M2 5 pan head screws Using a torque screwdriver tighten the screws to 4 0 inch pounds Figure 36 Installing t...

Page 67: ...at sink Position the fan so that its power cable can easily reach its mate an ATX style four pin 12 V power connector or equivalent 2 Secure the fan to the heat sink Affix the heat sink fan using four M3 pan head screws Using a torque screwdriver tighten the screws to 4 0 inch pounds 3 Connect power to the fan Connect the fan s power cable to a four pin ATX style 12 V IDE drive power connector Fig...

Page 68: ... thermal compound applied to where the pipes contact both the heat plate and the block 2 Position the heat pipe block Using Figure 38 as a guide align the six mounting holes of the heat pipe block with the heat plate Figure 38 shows the heat pipe block installed 3 Secure the heat pipe block to the heat plate Affix the heat pipe block to the heat plate using six M2 5 0 45 x 10mm Phillips pan head s...

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