MEN BL51E Manuale utente

User Manual



BL51E

Rugged Box PC for Transportation with Intel Atom

Processor E3900 Series

Embedded Computer for Communication & Control

2020-03-2720BL51E00 E2

20BL51E00 E2 2020-03-27 Page 2

Contents

Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

About this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Product Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Product Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.2 Product Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

1.2.1 Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

1.2.2 Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

1.3 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.4 Cooling Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

1.5 Product Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

2 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.1 Unpacking the BL51E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

2.2 Configuring the Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.2.1 Installing an SD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

2.2.2 Installing an HDD/SSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

2.2.3 Installing In-System Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

2.3 Mounting the BL51E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.3.1 Safety Instructions for Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

2.3.2 Mounting on a Wall or a Horizontal Surface . . . . . . . . . . . . . . . . . .27

2.3.3 Installing the BL51E in a 19" Rack . . . . . . . . . . . . . . . . . . . . . . . . . . .28

2.4 Connecting and Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

2.4.1 Safety Instructions for Connection. . . . . . . . . . . . . . . . . . . . . . . . . .31

2.4.2 Connecting an Earthing Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

2.4.3 Connecting Peripherals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

2.4.4 Connecting the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

2.4.5 Starting Up the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

2.4.6 Configuring the UEFI Firmware for PXE Boot. . . . . . . . . . . . . . . . . . 33

2.5 Installing Operating System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

2.6 Installing Driver Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.7 MDIS System Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.8 Using the BL51E under Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

2.8.1 Accessing SMBus/I2C Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

2.8.2 Managing RTC Time Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . .36

2.8.3 Configuring Wireless Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

2.8.4 Switching Serial Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

2.9 Using the BL51E under Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

2.9.1 Accessing SMBus/I2C Devices using MEN Tools . . . . . . . . . . . . . . .38

2.9.2 Accessing SMBus/I2C Devices using Standard Linux I2C Tools. . .40

2.9.3 Managing RTC Time Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . .40

2.9.4 Setting the UART Modes of BL51E Interfaces . . . . . . . . . . . . . . . . . 40

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2.9.5 Configuring Wireless Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

2.9.6 Switching Serial Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

3 Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.1 Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

3.1.1 Ignition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

3.2 CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

3.2.1 Processor Core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

3.3 Supervision and Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

3.3.1 Watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

3.3.2 Temperature Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

3.3.3 Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

3.4 Real-Time Clock (RTC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

3.5 Trusted Platform Module (TPM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

3.6 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

3.6.1 System RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

3.7 Mass Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

3.7.1 SD Card Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

3.7.2 SATA HDD/SSD Shuttle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

3.7.3 eMMC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

3.8 Isolation Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

3.9 Video. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

3.9.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

3.9.2 Front Interface Adapters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

3.10 Audio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

3.10.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

3.11 USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

3.11.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

3.12 Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

3.12.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

3.12.2 Ethernet Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

3.12.3 Power over Ethernet (PoE) (On Request) . . . . . . . . . . . . . . . . . . . . .57

3.13 Wireless Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

3.13.1 PCI Express Mini Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

3.13.2 SIM Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

3.13.3 Antenna Connectors (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

3.14 Relay Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

3.14.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

3.15 Photocoupler Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

3.15.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

3.16 Digital I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

3.16.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

3.17 IBIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

3.17.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

3.18 Odometer Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

3.18.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

3.19 GNSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

3.20 RS232 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

3.20.1 Rear Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

3.21 RS422/RS485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

3.21.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

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3.21.2 Signal Mnemonics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

3.22 CAN Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

3.22.1 Front Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

3.22.2 CAN Bus Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

3.23 Legacy Serial I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

4 UEFI Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

4.1 Accessing the Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

4.2 Setup Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

4.3 Setup Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

4.3.1 Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

4.3.2 MEN Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

4.3.3 Advanced Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

4.3.4 Chipset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

4.3.5 Security Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

4.3.6 Boot Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

4.3.7 Save and Exit Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

5 Hardware/Software Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

5.1 SMBus/I2C Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

5.1.1 BL51E Information EEPROM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

5.1.2 SMBus Configuration Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

5.2 FPGA IP Core Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

5.3 BMC API (Application Programming Interface). . . . . . . . . . . . . . . . . . . . . . . . .90

5.3.1 Command Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

6.1 Fuse Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Figures

Figure 1. Front interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Figure 2. Rear interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Figure 3. Board layout (PCBs inside the system) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 4. Functional diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Figure 5. Product label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Figure 6. Power configuration and coding labeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Figure 7. Connection of power pins from PSU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Figure 8. Ignition behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Figure 9. Ignition and shut-down delay watchdog state diagram. . . . . . . . . . . . . . . . . . 45

Tables

Table 1. Functions of GPIO controller instance 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Table 2. Interface Multiplexer 0 truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Table 3. Functions of GPIO controller instance 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Table 4. Interface Multiplexer 0 truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Table 5. Connector types – power supply (3-pin COMBICON) . . . . . . . . . . . . . . . . . . . .43

Table 6. Pin assignment – power supply (3-pin COMBICON) . . . . . . . . . . . . . . . . . . . . . 43

Table 7. Signal mnemonics – power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Table 8. Status LEDs at front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 9. CPU status LED at front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Table 10. Error codes signaled via status LED flashes. . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Table 11. SATA Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

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Table 12. Isolation voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Table 13. Connector types – DisplayPort. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Table 14. Pin assignment – DisplayPort. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Table 15. Signal mnemonics – DisplayPort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Table 16. Connector types – 9-pin D-Sub plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Table 17. Pin assignment – HD audio (9-pin D-Sub plug) . . . . . . . . . . . . . . . . . . . . . . . . .54

Table 18. Signal mnemonics – HD audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Table 19. Connector types – USB 2.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Table 20. Pin assignment – USB 2.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

Table 21. Signal mnemonics – USB 1.x/2.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

Table 22. Connector types – Ethernet (8-pin M12 X-coded) . . . . . . . . . . . . . . . . . . . . . . .56

Table 23. Pin assignment – Ethernet (8-pin M12 X-coded) . . . . . . . . . . . . . . . . . . . . . . . .56

Table 24. Signal mnemonics – Ethernet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Table 25. Ethernet cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Table 26. Ethernet status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Table 27. Power over Ethernet classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Table 28. Pin assignment – PCI Express Mini Card (PCIe and USB 2.0) . . . . . . . . . . . . . . 58

Table 29. Pin assignment – PCI Express Mini Card connector (USB 2.0). . . . . . . . . . . . . 59

Table 30. Signal mnemonics – PCI Express Mini Card . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Table 31. Connector types – 6-pin PCB plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 32. Pin assignment – RELAY OUT (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . .61

Table 33. Signal mnemonics – Relay outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

Table 34. Connector types – 6-pin PCB plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Table 35. Pin assignment – OPT OUT (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Table 36. Signal mnemonics – photocoupler outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Table 37. Connector types – front I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Table 38. Pin assignment – BIN IN 1 (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Table 39. Pin assignment – BIN IN 2 (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Table 40. Pin assignment – OPT OUT (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Table 41. Signal mnemonics – digital inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Table 42. Signal mnemonics – reference voltage on digital inputs . . . . . . . . . . . . . . . . . 64

Table 43. Connector types – 6-pin PCB plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 44. Pin assignment – BIN IN 2 (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Table 45. Signal mnemonics – IBIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Table 46. Connector types – 6-pin PCB plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 47. Pin assignment – BIN IN 2 (6-pin PCB plug) . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Table 48. Signal mnemonics – odometer input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Table 49. Connector types – 9-pin D-Sub plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Table 50. Pin assignment – RS232 (9-pin D-Sub plug) . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Table 51. Signal mnemonics – RS232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Table 52. Connector types – 9-pin D-Sub receptacle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Table 53. Pin assignment – RS422/485 full duplex (9-pin D-Sub receptacle) . . . . . . . . .69

Table 54. Pin assignment – RS422/485 half duplex (9-pin D-Sub receptacle) . . . . . . . . 69

Table 55. Signal mnemonics – RS422/RS485. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 56. Connector types – 9-pin D-Sub plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Table 57. Pin assignment – CAN bus (9-pin D-Sub plug) . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Table 58. Signal mnemonics – CAN bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Table 59. Functions in the MEN Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Table 60. Sub-menu BMC Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Table 61. Sub-Menu Network Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Table 62. Sub-Menu Memory Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Table 63. Sub-Menu SATA Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Table 64. Sub-Menu USB Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Table 65. Setting passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

Table 66. Security modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

Table 67. SMBus/I2C devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

20BL51E00 E2 2020-03-27 Page 6

Contents

Table 68. SMBus/I2C – Board information EEPROM – address map . . . . . . . . . . . . . . . .84

Table 69. SMBus/I2C – Board information EEPROM – byte structure of production data

Table 70. SMBus/I2C – Board information EEPROM – production data – production/last

repair dates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

Table 71. SMB Register (0x40) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

Table 72. SMB Register (0x42) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

Table 73. SMB Register (0x44) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Table 74. Odometer switching voltage levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Table 75. Odometer default / reset states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88

Table 76. SMB Register (0x4E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Table 77. Chameleon table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Table 78. API – Packet types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

Table 79. API – Packet types mapping on SMBus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Table 80. BMC API – Watchdog commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

Table 81. BMC API – Power resume mode commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Table 82. BMC API – Power resume modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

Table 83. BMC API – Reset signal blocking commands . . . . . . . . . . . . . . . . . . . . . . . . . . .95

Table 84. BMC API – Software reset commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

Table 85. BMC API – Power button commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

Table 86. BMC API – Voltage supervision commands . . . . . . . . . . . . . . . . . . . . . . . . . . . .98

Table 87. BMC API – Error counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Table 88. BMC API – Error counter commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Table 89. BMC API – Firmware version commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102

Table 90. BMC API – Last error command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Table 91. BMC API – Power failure flags command . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Table 92. BMC API – Reset reason command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106

Table 93. BMC API – Clear error registers command. . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Table 94. BMC API – Power cycle counter command. . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Table 95. BMC API – Operating hours counter command . . . . . . . . . . . . . . . . . . . . . . .108

Table 96. BMC API – Status LED control command . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

20BL51E00 E2 2020-03-27 Page 7

About this Document

This document is intended only for system developers and integrators.

It describes the design, functions and connection of the product. The manual does not

include detailed information on individual components (data sheets etc.).

History

BL51E product page with up-to-date information and downloads:

www.men.de/products/bl51e/

Issue Comments Date

E1 First issue 2017-10-26

E2 Added chapter Configuring the UEFI Firmware for PXE

Boot

Added chapter MDIS System Package

Added chapter Using the BL51E under Windows

Added chapter Using the BL51E under Linux

Added chapter Isolation Voltages

Added chapter Front Interface Adapters

Added chapter UEFI Firmware

Added information regarding long-term availability

in chapter Product Description

Added information regarding termination in chapter

RS422/RS485

Clarified description of serial interfaces in chapter

Legacy Serial I/O

Removed chapter Cleaning the System

Updated software support information in chapter

Technical Data

Corrected audio, eMMC and supply voltage

information in chapter Technical Data

2020-03-27

20BL51E00 E2 2020-03-27 Page 8

About this Document

Conventions

Indicates important information or warnings concerning situations which

could result in personal injury, or damage or destruction of the

component.

Indicates important information concerning electrostatic discharge which

could result in damage or destruction of the component.

Indicates important information or warnings concerning proper

functionality of the product described in this document.

The globe icon indicates a hyperlink that links directly to the Internet.

When no globe icon is present, the hyperlink links to specific information

within this document.

Italics Folder, file and function names are printed in italics.

Comment Comments embedded into coding examples are shown in green text.

IRQ#

/IRQ

Signal names followed by a hashtag "#" or preceded by a forward slash "/"

indicate that this signal is either active low or that it becomes active at a

falling edge.

In/Out Signal directions in signal mnemonics tables generally refer to the

corresponding board or component, "in" meaning "to the board or

component", "out" meaning "from the board or component".

0xFF Hexadecimal numbers are preceded by "0x".

0b1111 Binary numbers are preceded by "0b".

20BL51E00 E2 2020-03-27 Page 9

Product Safety

Read the user manual carefully before using the product. Keep the user manual for later

reference.

Conditions for Use, Field of Application

The product is designed to function correctly in the market, application area and

environmental conditions specified in the applicable standards which are listed in the

Technical Data.

Use cases in environments exceeding the specifications in the applicable standards and

the Technical Data have to be agreed upon between MEN and the customer.

Qualified Personnel

The product/system described in this documentation may be operated only by

personnel qualified for the specific task in accordance with the relevant documentation,

in particular its warning notices and safety instructions. Qualified personnel are those

who, based on their training and experience, are capable of identifying risks and

avoiding potential hazards when working with these products/systems.

Electrostatic Discharge (ESD)

Computer boards and components contain electrostatic sensitive devices.

Electrostatic discharge (ESD) can damage components. To protect the PCB

and other components against damage from static electricity, follow some

precautions whenever you work on your computer.

Power down and unplug your computer system when working on the

inside.

Hold components by the edges and try not to touch the IC chips, leads,

or circuitry.

Use a grounded wrist strap before handling computer components.

Place components on a grounded antistatic pad or on the bag that came

with the component whenever the components are separated from the

system.

Only store the product in its original ESD-protected packaging. Retain

the original packaging in case you need to return the product to MEN for

repair.

20BL51E00 E2 2020-03-27 Page 10

Product Compliance

MEN products are tested according to the standards given in the Technical Data and thus

enable you to achieve certification of the product according to the standards applicable

in your field of application.

If the product delivered was certified by MEN and is modified by the customer, e.g., by

installing an additional hardware component, the certification achieved by MEN

becomes invalid and may have to be repeated for the new product configuration.

RoHS

MEN is committed to develop and produce environmentally compatible products

according to the Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU

(formerly 2002/95/EC) of the European Union.

Since July 1, 2006 all MEN standard products comply with RoHS legislation.

REACH

MEN is a manufacturer of electronic products and thus a so-called "downstream user" in

terms of REACH. The products MEN supplies are solely non-chemical goods. Moreover

and under normal and reasonably foreseeable circumstances of application, the goods

supplied shall not release any substance.

Beyond that, according to REACH – Art.33, MEN will inform the customer immediately

should a substance contained in an MEN product (with a content of > 0.1%) be classified

alarming by the European Chemicals Agency (ECHA).

WEEE Application

Nevertheless, MEN is registered as a manufacturer in Germany. The registration number

can be provided on request.

The WEEE directive does not apply to fixed industrial plants and tools. The

compliance is the responsibility of the company which puts the product

on the market, as defined in the directive; components and sub-

assemblies are not subject to product compliance.

Since MEN does not deliver ready-made products to end users, the WEEE

directive is not applicable for MEN. Users are nevertheless recommended

to properly recycle all electronic boards which have passed their life cycle.

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