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Thermal Considerations 

Bengal (VL-EPMe-30) Reference Manual 

56

 

Installing the VersaLogic Thermal Solutions  

The following thermal solution accessories are available from VersaLogic: 

 

VL-HDW-401 Thermal Compound Paste - used to mount the heat sink to the heat plate 

 

VL-HDW-406 Passive Heat Sink 

– mounts to standard product. 

 

VL-HDW-407 Fan Assembly 

– mounts to HDW-406 Heat Sink. 

 

VL-HDW-408 Heat Pipe Block. 

Installing the Passive Heat Sink 

Install the passive heat sink (VL-HDW-406) using these steps: 

1.  Apply the Arctic Silver

†

 Thermal Compound 

 

Apply the thermal compound to the heat plate using the method described on the Arctic 
Silver website - 

http://www.arcticsilver.com/

  

2.  Position the passive heat sink 

 

Using Figure 21 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.  

 

Содержание Bengal VL-EPMe-30

Страница 1: ...OC REV Oct 2016 Bengal VL EPMe 30 Intel Atom based Single Board Computer with Dual Ethernet Video USB SATA Serial I O Digital I O Trusted Platform Module security Counter Timers Mini PCIe mSATA SPX and PCIe 104 OneBank Interface ...

Страница 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 cl...

Страница 3: ...about VersaLogic products and product advisories 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 Re...

Страница 4: ...g a droop on the 5 V power at the power connector input This droop in the 5 V power causes the board to switch the regulators off and then back on again Typically this results in only a short delay less than 1 second Users should measure the 5 V power at the connector with their particular power delivery system to see if the voltage at that point ever drops below about 4 75 V when power is applied...

Страница 5: ...g 8 Bengal Dimensions 8 VL CBR 5015 Dimensions 9 Hardware Assembly 9 External Connectors 10 Bengal Connector Locations Top Side 10 Bengal Connector Locations Bottom Side 11 Bengal Connector Functions and Interface Cables 12 VL CBR 5015 Connector Locations 14 VL CBR 5015 Connector Functions 15 VL CBR 2004B Dimensions and Connectors 16 Jumper Blocks 17 Configuration Switches 18 System Features 19 Po...

Страница 6: ...eaker 33 Video Interfaces 34 VGA Connector 34 DisplayPort 35 Console Redirection 35 Ethernet 36 Ethernet Connectors 36 Ethernet Status LEDs 37 SATA Port 38 PCIe Mini Card mSATA 39 PCIe Mini Card LEDs 41 Digital I O 41 DIO Guidelines 42 SPX Expansion Bus 43 VersaLogic SPX Expansion Modules 44 SPI Registers 45 Thermal Considerations 48 Selecting the Correct Thermal Solution for Your Application 48 H...

Страница 7: ...J8 Battery Connector 28 Figure 14 VL CBR 0203 Latching Battery Module 28 Figure 15 Location of the D11 and D12 LEDs 31 Figure 16 Side View of Board Showing Pin Numbers of the Ethernet Connectors 36 Figure 17 Location of Ethernet Status LEDs 37 Figure 18 EPMe 30EAP CPU Core Temperature Relative to Ambient Temperature 53 Figure 19 EPMe 30EBP CPU Core Temperature Relative to Ambient Temperature 54 Fi...

Страница 8: ...le 18 Ethernet Connector Pinout J1 J7 36 Table 19 Ethernet Status LEDs 37 Table 20 SATA Port Pinout 38 Table 21 PCIe Mini Card mSATA Pinout 39 Table 22 PCIe Mini Card LED States 41 Table 23 J21 I O Connector Pinout 42 Table 24 SPX Expansion Bus Pinout 43 Table 25 SPI Control Register 1 Bit Assignments 45 Table 26 SPI Control Register 2 Bit Assignments 46 Table 27 CPU Thermal Trip Points 50 Table 2...

Страница 9: ...0 ports Trusted Platform Module Two RS 232 422 485 serial ports Three 8254 timer counters Sixteen digital I O lines SATA port 3 Gb s Mini PCIe mSATA socket supports Wi Fi modems GPS receivers flash storage and other modules SPX expansion PC 104 form factor with PCIe 104 OneBank expansion Customization available The Bengal is compatible with popular operating systems such as Microsoft Windows Windo...

Страница 10: ...A connector C FPGA O Power connector D PCI Express Switch P Reserved E Ethernet 1 PHY Q Reserved F Ethernet 0 PHY R Configuration switches G Ethernet port 0 S VGA connector H Ethernet port 1 T Mini DisplayPort1 I Digital I O U CPU fan connector J USB hub device V Mini DisplayPort2 K User I O connector W SATA connector L SPX connector Figure 1 Major Components and Connectors Top Side ...

Страница 11: ...umper block E SPI Flash device primary J Ethernet transformers Figure 2 Major Components and Connectors Bottom Side Technical Specifications See the Bengal Data Sheet for complete specifications Thermal Considerations The operating temperature for the Bengal is 40 C to 85 C de rated 1 1 C per 305m 1 000 ft above 2 300m 7 500 ft All Bengal models include a rigid mount heat plate thermal solution Re...

Страница 12: ...Introduction Bengal VL EPMe 30 Reference Manual 4 Block Diagram Figure 3 Bengal Board Block Diagram ...

Страница 13: ...ficiently conductive to cause excessive battery drain if the bag comes in contact with the bottom side of the Bengal Handling Care CAUTION Avoid touching the exposed circuitry with your fingers when handling the board Though it will not damage the circuitry it is possible that small amounts of oil or perspiration on the skin could have enough conductivity to cause the contents of CMOS RAM to becom...

Страница 14: ...ystem The Bengal should be handled at an ESD workstation or while wearing a grounded antistatic wrist strap Before you begin unpack the Bengal and accessories Verify that you received all the items you ordered Inspect the system visually for any damage that may have occurred in shipping Contact Support VersaLogic com immediately if any items are damaged or missing Gather all the peripheral devices...

Страница 15: ...ould be present 6 Select a Boot Drive During startup press CTRL B to display the boot menu Insert the OS installation CD in the CD ROM drive and select to boot from the CD ROM drive 7 Install Operating System Install the operating system according to the instructions provided by the operating system manufacturer See Operating System Installation BIOS Setup Utility Refer to the BIOS Reference Manua...

Страница 16: ... and Mounting Bengal Dimensions The Bengal complies with PC 104 Plus dimensional standards Figure 4 shows the board s dimensions to help with pre production planning and layout Figure 4 Bengal Dimensions and Mounting Holes Not to scale All dimensions in inches 3 3 ...

Страница 17: ...ors for adding expansion modules to the bottom of the stack The entire assembly can sit on a tabletop or it can be secured to a base plate When bolting the unit down make sure to secure all four standoffs to the mounting surface to prevent circuit board flexing Standoffs are secured to the top circuit board using four pan head screws Standoffs and screws are available as part number VL HDW 105 An ...

Страница 18: ... VGA Connector D J18 User I O L J3 Mini DisplayPort1 E J19 SPX Connector M J24 CPU Fan F J8 External Battery Connector N J22 Mini DisplayPort2 G J14 PCIe Minicard mSATA O J2 SATA Connector H J20 Power Connector Figure 6 Connector Locations Top Side Integrator s Notes The User I O connector J18 includes signals for COM ports USB LEDs power and reset buttons audio and speaker The DisplayPort audio c...

Страница 19: ... Layout Bengal VL EPMe 30 Reference Manual 11 Bengal Connector Locations Bottom Side Item Ref Des Description A J11 PCI B J16 USB 3 0 C J10 PCIe 104 OneBank D J9 DDR3 SO DIMM Figure 7 Connector Locations Bottom ...

Страница 20: ...erence Manual 12 Bengal Connector Functions and Interface Cables Table 1 provides information about the function mating connectors and transition cables for Bengal connectors Page numbers indicate where additional information is available ...

Страница 21: ...DIMM 21 J10 PCIe 104 OneBank Stack Down 22 J11 PCI Stack Down AMP 1375799 1 22 J12 Factory use only J14 PCIe Minicard mSATA 39 J15 Factory use only J16 Micro USB 3 0 USB 3 0 Micro A VL CBR 1015 0 5 m USB 3 0 Micro A to Micro B cable 30 J18 COM ports USB PLED power LED push button reset power button audio jacks PC speaker battery input Oupiin 1204 50G00B2A VL CBR 5013A 12 inch 1 27 mm IDC 50 pin to...

Страница 22: ...B1 Top USB2 Bottom J4 USB3 Top USB4 Bottom J3 COM1 Top COM2 Bottom Figure 8 VL CBR 5015 Connectors Integrator s Note USB ports 1 4 on the VL CBR 5015 paddleboard connectors J4 and J5 are all hubbed so throughput may not be optimal For higher throughput use the USB 3 0 port or the 5 th USB port on the VL CBR 5015 paddleboard at connector J6 intended primarily for a USB Audio device which is directl...

Страница 23: ...11 00050T1LF Oupiin 3216 A50G00SBA Samtec SHF 125 01 F D TH 1 27 mm 50 pin keyed header J2 Auxiliary I O I 2 C GPIO Ethernet LED LED power FCI 98414 F06 14ULF 2 mm 14 pin keyed header J3 COM1 top COM2 bottom Kycon K42 E9P P A4N Dual DB 9 male J4 USB3 top USB4 bottom USB Type A USB Host J5 USB1 top USB2 bottom USB Type A USB Host J6 USB5 USB Type A USB Host D1 Programmable LED top Power LED bottom ...

Страница 24: ...nsions Connectors Jumper Blocks As Shipped Integrator s Note The jumper blocks should remain in the as shipped configuration shown in Figure 9 Table 3 provides information about the function mating connectors and the transition cable to the Bengal Table 3 Connector Functions and Interface Cables Connector Function Mating Connector Transition Cable Cable Description J1 Digital I O 1 4 Bare wire 18 ...

Страница 25: ...ry Jumper Block Description V1 1 2 COM1 Rx End point Termination see page 26 In RS 485 termination Out No termination RS 232 default Places terminating resistor across COM1 RS 485 TXRX TXRX or RS 422 RX RX differential pair Jumper must be out for RS 232 operation V1 3 4 COM2 Rx End point Termination see page 26 In RS 485 termination Out No termination RS 232 default Places terminating resistor acr...

Страница 26: ...witch see Integrator s Note below Off A battery is being used default On A battery is not being used Position 3 Reset BIOS to factory defaults see page 21 Off Normal operation default On Resets BIOS to factory defaults when the board boots Position 4 For factory use only Always leave in the Off position Position 5 SPI Flash Security Not supported Position 6 BIOS select Off Primary BIOS default On ...

Страница 27: ...e will occur Some manufacturers include a pin 1 indicator on the crimp housing that corresponds to pin 10 of the pinout shown in Figure 12 Table 6 J20 Main Power Connector Pinout Pin Signal Pin Signal 1 Ground 2 5 VDC 3 Ground 4 12 VDC Note 5 Ground 6 12 VDC Note 7 3 3 VDC Note 8 5 VDC 9 Ground 10 5 VDC Note This input is only necessary for expansion modules plugged into either the PC104 PCI conne...

Страница 28: ... board will source additional power through the Bengal power connector Do not use wire smaller than 22 AWG Use high quality UL 1007 compliant stranded wire The length of the wire should not exceed 18 inches Avoid using any additional connectors in the power delivery system The power and ground leads should be twisted together or as close together as possible to reduce lead inductance A separate co...

Страница 29: ...et SW1 switch position 3 to the On position toward the outer edge of the board 2 Power on the Bengal 3 After the system boots power off the Bengal and set the switch back to the Off position toward the center of the board 4 Power on the Bengal Clearing CMOS RAM and RTC Registers Clear the CMOS RAM and RTC registers which includes the date time using the following the instructions 1 Power off the B...

Страница 30: ...hich includes a battery Expansion Bus PCI The Bengal provides a legacy stack down PCI connector at location J11 on the bottom side of the board See the PCI sections of the PC 104 Plus Specification for a complete description of this interface The BIOS automatically allocates I O memory and interrupt resources Table 7 PCI 104 Express B Connector PCI Current Ratings Signal Current Rating V5 4 0 A V3...

Страница 31: ...x1_3RN 33 GND 34 GND 35 Not Used 36 Not Used 37 Not Used 38 Not Used 39 5V_ALWAYS 40 5V_ALWAYS 41 PEx1_2CLKP 42 PEx1_3CLKP 43 PEx1_2CLKN 44 PEx1_3CLKN 45 CPU_DIR 46 PWRGOOD 47 SMB_DAT 48 Not Used 49 SMB_CLK 50 Not Used 51 SMB_ALERT 52 Not Used Integrator s Note The PCIe 104 OneBank version of the interface does not implement the Bank 2 or Bank 3 connectors CAUTION No attempt should be made to add ...

Страница 32: ...System Features Bengal VL EPMe 30 Reference Manual 24 Table 10 PCI 104 Express A Connector PCIe 104 Current Ratings Signal Current Rating V5 4 0 A V3P3_ATX 3 0 A ...

Страница 33: ...22 485 10 Ground 11 TXD2 RS 232 TXD2 RS 422 485 12 RTS2 RS 232 TXD2 RS 422 485 13 Ground 14 Aux I2 C Clock 15 Aux I2 C Data 16 Ground 17 Battery input 18 GPIO2 19 Ground 20 GPIO1 21 3 3 V power for LEDs 22 Ground 23 Ethernet 0 LED 24 Ethernet 1 LED 25 USB1 5 0 V 26 USB1 Data 27 USB1 Data 28 USB2 5 0 V 29 USB2 Data 30 USB2 Data 31 USB3 5 0 V 32 USB3 Data 33 USB3 Data 34 USB4 5 0 V 35 USB4 Data 36 U...

Страница 34: ...J2 Pin 14 Ground 18 J2 5 GPIO2 43 J6 USB 5 USB5 5 0 V 19 6 Ground 44 USB5 Data 20 7 GPIO1 45 USB5 Data 21 8 3 3 V Power for LEDs 46 Ground 22 12 Ground 47 USB5 5 0 V 23 9 Ethernet 0 LED 48 Not Functional NC 24 10 Ethernet 1 LED 49 NC 50 Ground Serial Ports The Bengal features two on board 16550 based serial communications channels located at standard PC I O addresses The serial ports can be operat...

Страница 35: ... COM1 2 Pinout VL CBR 5015 Connector J3 COM1 COM2 RS 232 RS 422 RS 485 Top DB9 J3 Pin Bottom DB9 J3 Pin 1 1 2 2 RXD RxD RxD 3 3 TXD TxD TxD 4 4 5 5 Ground Ground Ground 6 6 7 7 RTS TxD TxD 8 8 CTS RxD RxD 9 9 I2 C Pins 14 and 15 of I O connector J18 connect to the first of the seven I2 C ports on the Intel Atom Bay Trail processor The Bengal has a 3 3 V I2 C interface The required pullups for this...

Страница 36: ...VL CBR 0203 External Battery Module The VL CBR 0203 is an external battery module compatible with the Bengal board For more information contact Sales VersaLogic com Figure 14 VL CBR 0203 Latching Battery Module CAUTION If the Bengal board is older than Rev 3 00 and you are using a CBR 5015 paddleboard with the Bengal board do not connect an external battery using the J8 connector Connecting two ba...

Страница 37: ...d Connectors Bengal VL EPMe 30 Reference Manual 29 the CBR 5015 paddleboard On Bengal boards Rev 3 00 and newer diode protection has been added to allow two batteries to be used safely for extended RTC backup times ...

Страница 38: ...SB I O USB 2 0 differential pair positive 4 ID In Not used Note 5 GND Ground 6 MICA_SSTX Out USB 3 0 transmit differential pair negative 7 MICA_SSTX Out USB 3 0 transmit differential pair positive 8 GND Ground 9 MICA_SSRX In USB 3 0 receive differential pair negative 10 MICA_SSRX In USB 3 0 receive differential pair positive Note This signal is typically used for On The Go OTG mode The Bengal does...

Страница 39: ...ing The green LED illuminates when all power rails are within specified limits and indicates that the board is in the S0 power state If any power rail is not within specified limits the green LED will not illuminate The green LED blinks at a slow rate when the processor is in a sleep or hibernate mode indicating that the sustain rail power is still within specified limits The yellow LED is a fault...

Страница 40: ...lso provides a power button signal on pin 13 and ground on pin 14 In configurations where a power button is not connected to the board if the system is put into an S5 state power can be restored by turning off the power supply and turning it back on This behavior is set by default in the BIOS Supported Power States Table 15 lists the supported power states Table 15 Supported Power States Power sta...

Страница 41: ...o be recognized by the Bengal Do not add an external pull up resistor to this signal This connector uses IEC 61000 4 2 rated TVS components to help protect against ESD damage A reset button is provided on the VL CBR 5015 paddleboard S2 Header J2 on the paddleboard also provides a reset signal on pin 11 and ground on pin 14 Note Holding the reset button in when powering on the board prevents bootin...

Страница 42: ...eration VGA Connector An adapter cable VL CBR 1204 is available to translate VGA connector J5 into a standard 15 pin D Sub SVGA connector The VGA port supports resolutions up to 2560 x 1600 at 60 Hz This connector is protected against ESD damage When the Bengal is booted the BIOS tests for a video monitor attached to the VGA port If a monitor is not detected during this test the VGA signals are di...

Страница 43: ...upports audio signaling Table 17 mini DisplayPort Connector Pinout J3 J22 Pin Signal Name J3 J22 Pin Signal Name 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 RTN 20 DP_POWER Console Redirection The Bengal board can be configured for remo...

Страница 44: ...o negotiates connection speed VersaLogic cable VL CBR 0804 adapts the 8 pin Ethernet connector to an RJ 45 connector Table 18 lists the pinout of the J1 and J7 Ethernet connectors Figure 16 is a side view of the board showing the Ethernet connectors and their pin configurations Table 18 Ethernet Connector Pinout J1 J7 J1 J7 Pin 10 100 Signal Name 10 100 1000 Signal Name VL CBR 0804 RJ 45 Pin 1 Aut...

Страница 45: ...ts the states of the Ethernet status LEDs Figure 17 shows the locations of the Ethernet status LEDs Table 19 Ethernet Status LEDs Port LED Color State Description Ethernet 0 LED D5 Ethernet 1 LED D2 Yellow Activity On Cable connected blinks with activity Off Cable not connected Ethernet 0 LED D4 Ethernet 1 LED D1 Green Yellow Link Speed Yellow 1 Gbps speed Green 100 Mbps speed Off 10 Mbps speed or...

Страница 46: ...that the standard SATA drive power connector is different from the typical 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 available Table 20 SATA Port Pinout SATA Pin Signal Name Function 1 GND Ground 2 TX Tran...

Страница 47: ... 21 PCIe Mini Card mSATA Pinout J14 Pin PCIe Mini Card Signal Name PCIe Mini Card Function mSATA Signal Name mSATA Function 1 WAKE Wake Reserved Not connected 2 3 3VAUX 3 3V auxiliary source 3 3V 3 3V source 3 NC Not connected Reserved Not connected 4 GND Ground GND Ground 5 NC Not connected Reserved Not connected 6 1 5V 1 5V power 1 5V 1 5V power 7 NC Not connected Reserved Not connected 8 NC Not...

Страница 48: ... Not connected 45 NC Not connected Vendor Not connected 46 LED_WPAN Wireless PAN LED Reserved Not connected 47 NC Not connected Vendor Not connected 48 1 5V 1 5V power 1 5V 1 5V power 49 Reserved Reserved DA DSS Device activity 3 50 GND Ground GND Ground 51 Reserved Reserved GND Ground 4 52 3 3VAUX 3 3V auxiliary source 3 3V 3 3V source Notes 1 This pin is not grounded on the Bengal since it can b...

Страница 49: ...e 3 3 V power to the Mini Card can be controlled by the FPGA By default the power is always on but there is a register setting that turns this power off in sleep modes The 1 5 V power is always turned off in sleep modes Digital I O The 20 pin I O connector J21 incorporates 16 digital I O DIO lines that are independently configurable as an input or output DIO inputs can be set for normal or inverte...

Страница 50: ...mer 3 Output 4 17 Digital I O 14 optional Timer 3 Input 3 18 Digital I O 15 optional Timer 4 Output J4 2 19 Digital I O 16 optional Timer 4 Input 1 20 Ground 5 FPGA registers control the mode on pins 11 14 and 16 19 By default they are DIOs There are FPGA register settings to select the timer signals in 4 signal mode pins 16 19 and 8 signal mode 11 15 and 16 19 DIO Guidelines Consider the followin...

Страница 51: ...ect the usable speed of DIO signals These are single ended drivers receivers Cabling crosstalk can be a problem with fast edge rates The DIOs are slew rate limited and have 50 Ω source terminators to minimize crosstalk and reflections SPX Expansion Bus Up to two serial peripheral expansion SPX devices can be attached to the Bengal at connector J19 using a VL CBR 1401 or VL CBR 1402 cable The SPX i...

Страница 52: ...er The SPI clock rate can be software configured to operate at speeds between 1 MHz and 8 MHz Because this clock is divided from a 33 MHz PCI clock the actual generated frequencies are not discrete integer MHz frequencies All four common SPI modes are supported through the use of clock polarity and clock idle state controls VersaLogic SPX Expansion Modules VersaLogic offers several SPX modules tha...

Страница 53: ...l and auto slave select modes SPILEN1 SPILEN0 Frame Length 0 0 1 1 0 1 0 1 8 bit 16 bit 24 bit 32 bit D3 MAN_SS SPI Manual Slave Select Mode This bit determines whether the slave select lines are controlled through the user software or are automatically controlled by a write operation to SPIDATA3 CADh If MAN_SS 0 then the slave select operates automatically if MAN_SS 1 then the slave select line i...

Страница 54: ...EL by an SPI device 0 SPI IRQ disabled default 1 SPI IRQ enabled Note The selected IRQ is shared with PC 104 ISA bus devices CMOS settings must be configured for the desired ISA IRQ D2 LSBIT_1ST SPI Shift Direction Controls the SPI shift direction of the SPIDATA registers The direction can be shifted toward the least significant bit or the most significant bit 0 SPIDATA data is left shifted MSbit ...

Страница 55: ... word for example the LSB of a 24 bit frame would be SPIDATA1 Data is sent according to the LSBIT_1ST setting When LSBIT_1ST 0 the MSbit of SPIDATA3 is sent first and received data will be shifted into the LSbit of the selected frame size set in the SPILEN field When LSBIT_1ST 1 the LSbit of the selected frame size is sent first and the received data will be shifted into the MSbit of SPIDATA3 Data...

Страница 56: ...d at or below the maximum specified 85 ºC The heat plate is designed with the assumption that the user s thermal solution will maintain the top surface of the heat plate at 90 ºC or less If that temperature threshold is maintained the CPU and the other noted components will remain safely within their operating temperature limits CAUTION By itself the heat plate is not a complete thermal solution I...

Страница 57: ...r meters per second as described in the section titled EPMe 30 Thermal Characterization beginning on page 52 within the enclosure Position the EPMe 30 board to allow for convective airflow Lower the system level temperature requirement as needed The decision as to which thermal solution to use can be based on several factors including but not limited to the following Number of CPU cores in the SoC...

Страница 58: ...value in the BIOS Setup utility for this trip point is 55 ºC 2 The default value in the BIOS Setup utility for this trip point is 105 ºC 3 The default value in the BIOS Setup utility for this trip point is 110 ºC These trip points allow maximum CPU operational performance while maintaining the lowest CPU temperature possible The long term reliability of any electronic component is degraded when it...

Страница 59: ...e EPMe 30 needs to be maintained at 85 ºC or below This includes the space between this CPU board and any board it is stacked on top of it Included is the space beneath an installed miniPCIe expansion board and the installed SODIMM 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 mean...

Страница 60: ...hernet ports Three USB 2 0 ports in loopback configuration BIOS ID string Bengal_3 1 0 334 r1 101 Passive thermal trip point setting 105 ºC Critical thermal trip point setting 110 ºC Operating system Microsoft Windows 8 1 Enterprise Test software Passmark BurnIn Test v7 1 b1017 CPU utilization 90 Intel Thermal Analysis Tool TAT v5 0 1014 Primarily used to read the CPU core temperature Test environ...

Страница 61: ...re safe operating range all the way up to 85 ºC using only a heat sink 60 70 75 80 85 60 65 70 75 80 85 90 95 100 105 110 115 71 82 87 92 98 EPMe 30EAP Single Core Thermal Characterization Heat sink only Ambient Temperature C CPU Core Temperature C Safe Operating Range Maximum Core Temperature Exceeded Do not operate in this range BENGAL_15 Figure 18 EPMe 30EAP CPU Core Temperature Relative to Amb...

Страница 62: ... 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 60 70 75 80 85 60 65 70 75 80 85 90 95 100 105 110 115 75 86 91 95 101 69 80 86 90 95 EPMe 30EBP Dual Core Thermal Characterization Heat sink only Heat sink Fan Ambient Temperature C CPU Core Temperature C Safe Operati...

Страница 63: ... fan for operation above 80 ºC at 90 CPU utilization 60 70 75 80 85 60 65 70 75 80 85 90 95 100 105 110 115 77 88 94 100 105 69 80 86 91 97 EPMe 30ECP Quad Core Thermal Characterization Heat sink only Heat sink Fan Ambient Temperature C CPU Core Temperature C Safe Operating Range Maximum Core Temperature Exceeded Do not operate in this range BENGAL_17 Figure 20 EPMe 30ECP CPU Core Temperature Rela...

Страница 64: ... Block Installing the Passive Heat Sink Install the passive heat sink VL HDW 406 using these steps 1 Apply the Arctic Silver Thermal Compound Apply the thermal compound to the heat plate using the method described on the Arctic Silver website http www arcticsilver com 2 Position the passive heat sink Using Figure 21 as a guide align the six mounting holes of the heat sink with the heat plate 3 Sec...

Страница 65: ...les in the passive heat sink Position the fan so that its power cable is on the side nearest the J24 CPU fan connector The CPU fan connector is located between the two Mini DisplayPort connectors see Figure 6 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...

Страница 66: ...ve the thermal compound applied to where the pipes contact both the heat plate and the block 2 Position the heat pipe block Using Figure 23 as a guide align the six mounting holes of the heat pipe block with the heat plate Figure 23 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 ...

Страница 67: ...xx formerly Bay Trail System on Chip SoC Processor Intel Atom Processor E3800 Product Family Datasheet Ethernet Controller Intel I210 IT Gigabit Ethernet Controller Intel I210 IT Datasheet PCI 104 Express PCI 104 Express PCIe 104 Specification PC 104 Plus PC 104 Plus Specification A A ...

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