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Model : SK-Hybrid BP Series User’s Manual

PAGE 14 OF 16

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Summary of Contents for SK-Series

Page 1: ...Model SK Hybrid BP Series User s Manual PAGE 1 OF 16 SK SERIES BACKPLANE USER S MANUAL P N 2RAKVI005301 Model SK35 07 5BAY HYBRID OCULINK 2 BP MODULE Draft Version V1 0 ...

Page 2: ...Model SK Hybrid BP Series User s Manual PAGE 2 OF 16 Revision History Version Changes Date V1 0 Official Release 2021 07 23 ...

Page 3: ...erview 4 Physical Outlook 4 Mechanical 5 Connector Locations and LED Indicators 6 Bottom Connector and Pin Definitions 7 Top Connectors and LED Indicators 8 Hardware Specification 9 LED Behavior 10 Disk Bay LED 10 System Alarm LED 12 Smart Fan Control 13 Firmware Upgrade 15 ...

Page 4: ...SD through OcuLink x4 connectors Basically A 7 pin SATA connector and Oculink x4 share a U 2 connector Disk 1 to support either 6Gps SATA drive or x4 NVMe SSD One single SFF 8643 miniSAS connector can support up to 4 disk bays says Disk 2 to Disk 5 1 of them Disk 2 is so called Hybrid that further supports NVMe SSD via Oculink x4 connector There is a Fan connector on backplane to support enclosure...

Page 5: ...Model SK Hybrid BP Series User s Manual PAGE 5 OF 16 Mechanical ...

Page 6: ...g interface NVME1 MVME2 7 Alarm Buzzer SUB1 2 Host facing interface SAS3 CN3 8 M S Communication Connector JB1 3 Host facing interface SATA SATA1 9 M S BP Selection Switch S1 4 Main Power Connector PW1 PW2 10 SGPIO Header JS1 5 LED Mute_SW Header CN1 11 Firmware Programming Header JD1 6 FAN Connector FAN1 12 M058 Micro controller IC1 ...

Page 7: ...C JD1 Firmware Programming Connector PIN Definition PIN No Definition 2 ICE_CLK 1 VCC 4 ICE_DATA 3 Key 6 ICE_RST 5 Ground FAN1 FAN 4 Pin Connector PIN Definition 1 Ground 2 12V 4 Tachometer 5 PWM Output JB1 SYNC 2 Pin Connector PIN Definition 1 LINK_CLK 2 LINK_DAT JS1 SGPIO 8Pin Key 1 Connector PIN Definition PIN No Definition 2 NC 1 Key 4 SData_Out 3 Ground 6 Ground 5 SLoad 8 NC 7 SClock S1 M S S...

Page 8: ...ED Indicators Location SAS U 2 Drive Number DISK1 DISK2 SATA SAS Disk or NVMe SSD 1 2 DISK3 DISK4 DISK5 SATA SAS Disk 3 4 5 Location Hard Drive Power Activity Failure Locate LEDs PD1 PD2 PD3 PD4 PD5 DISK1 DISK5 Power LED D1 D2 D3 D4 D5 DISK1 DISK5 Activity Failure Locate LED ...

Page 9: ...rature M S Link Connector JB1 for Synchronous signal connection between two backplane Buzzer SUB1 for Over temperature and FAN fail alerting Connector SATA 7PIN Connector 1 SATA1 SFF 8621 OCULINK 42PIN Connector 2 NVME1 NVME2 SFF 8643 MiniSAS HD Connector 1 CN3 SFF 8639 U 2 68PIN Connector 1 DISK1 for SATA Disk or NVMe SSD SFF 8639 U 2 68PIN Connector 1 DISK2 for SATA SAS3 Disk or NVMe SSD SFF 868...

Page 10: ... blinking 8 Hz whenever disk drive is being accessed RED LED Fail and Locate indicator Turned steady on when disk failure occurs Blinking 1 Hz when locating Disk RAID rebuild and RAID consistent check There are 2 parts of LED Management on the backplane One is for SAS and another is for NVMe Please note that the disk slots can only accommodate SAS SATA or NVMe disk at a time since they share the s...

Page 11: ...e host controllers through sideband bus of Oculink or SlimSAS cables Whenever the NVMe host controller support VPP over I2C the RED LEDs behave Locate Fail and Rebuild signals following VPP signals on the I2C bus The Green LEDs for Activity behave according to the signal from P11 Activity of the disk connectors Examples of NVMe connections to Broadcom RAID HBA controller Each pair of VPP over I2C ...

Page 12: ...esolved or disappeared Overheat When the system temperature at the backplane area is going beyond 45 C the Temp Fail triggered and Fail LED blinks in 2Hz rate Goes off when temperature is going under 45 C Overheat Fan Fail Fail LED stays steady on when both events triggered at the same time Note When the system alarm is triggered the Buzzer beeps along with it and stops beeping when alarm is disap...

Page 13: ...kplane starts fan calibration and calculates the corresponding PWM duty cycle for each level There are totally 8 speed levels to be sensed and used until next system boot 3 The 8 levels of fan speed are mapped to the temperature readings detected by thermistor spreading from 25 to 45 C in 3 75 degree C step 4 In normal operation when the system temperature changes to next level the fan module woul...

Page 14: ...Model SK Hybrid BP Series User s Manual PAGE 14 OF 16 ...

Page 15: ... system fail alarm These MCUs are preprogrammed in manufacturing In most cases the MCUs are not required to reprogram unless there is issue needed to fix How to upgrade firmware 1 Require Nuvoton ARM Cortex M0 programming tool Nu Me or Nu Link and install Nuvoton ICP Programming tool software 2 Connect Nu Link USB end to a host and the SWD end to Backplane ICE connector for each MCU ...

Page 16: ...16 OF 16 3 Make sure device is connected and select the binary file being programmed and then click on Start button to program firmware 4 Please refer to http www nuvoton com resource files NuLink_Adapter_User_Manual_EN_V1 01 pdf for more details ...

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