Interface Masters TAHOE 8824, User Manual

Page 1: ...Interface Masters Technologies Inc Confidential Proprietary Tahoe 8824 User Guide Rev 01 09 15 2017 Page 1 OF 34 User Guide for TAHOE 8824 ...

Page 2: ...for System 8 2 MAJOR COMPONENTS 10 2 1 CN82xx CN83xx Processor 10 2 2 DDR4 DRAM Controller 11 2 3 eMMC 12 2 4 SPI 13 2 5 SERDES QLMs DLMs 14 2 6 USB 3 0 15 2 7 UART Interface 16 2 8 I2C Interface 17 2 9 SMI interface 18 2 10 P Bus interface 19 3 CPLD 20 3 1 Access Interface 20 3 2 LED Control 20 3 3 Boot Strap 20 3 4 Boot Devices 21 3 4 1 SPI NOR Flash 21 3 4 2 SD card 21 3 4 3 eMMC 21 3 5 Selecti...

Page 3: ...FI to SFI PHY 23 4 3 NVMe SSD 24 5 I2C PERIPHERALS 25 5 1 I2C Bus 0 Peripherals 25 5 1 1 DDR4 SPD 25 5 2 1 ADM1032ARZ Temperature Sensor 26 5 2 2 MCP7940N Real Time Clock 26 5 2 3 EEPROM 26 6 IO MODULE 27 7 POWER SUPPLY 28 7 1 Power Consumption 28 7 COOLING FAN 29 8 ENCLOSURE 30 8 CUSTOMER SUPPORT 31 8 1 Technical Assistance 31 8 2 Life Support Policy 31 8 3 Warranty 32 ...

Page 4: ...AHOE 8824 USB 3 0 Diagram 15 Figure 6 TAHOE 8824 UART Interface 16 Figure 7 TAHOE 8824 TWSI Interface 17 Figure 8 TAHOE 8824 SMI Interface Diagram 18 Figure 9 TAHOE 8824 P Bus Functional Diagram 19 Figure 10 TAHOE 8824 CPLD Functional Diagram 20 Figure 11 TAHOE 8824 SGMII Interface 22 Figure 12 TAHOE 8824 XFI to SFP interface 23 Figure 13 TAHOE 8824 NVMe Interface 24 Figure 14 TAHOE 8824 I2C perip...

Page 5: ...ential Proprietary TAHOE 8824 User Guide Rev 01 09 18 2017 Page 5 OF 34 List of Tables Table 1 Boot Device Register 21 Table 2 Boot Device Bits 21 Table 3 Input Power Supply 28 Table 4 Output Power Supply 28 Table 5 Dimensions of TAHOE 8824 30 ...

Page 6: ...ors TAHOE 8824 features an optional swappable IO module that supports either Eight ports of 10G or two ports of 40G 1 2 Standard Features 24 CN ARM64TM III processor cores Core frequency up to 1 8GHz 72 bit of DDR4 memory with ECC 4GB eMMC Interface SPI NOR Flash memory SD Card slot One M 2 NVMe SSD drives One on board 1000Base T Ethernet port Four on board 10Gbps SFP ports Eight 10Gbps ports or t...

Page 7: ...e Masters Technologies Inc Confidential Proprietary TAHOE 8824 User Guide Rev 01 09 18 2017 Page 7 OF 34 1 3 Functional Diagram The below functional diagram of TAHOE 8824 Board Figure 1 TAHOE 8824 Block Diagram ...

Page 8: ...rface Masters Technologies Inc Confidential Proprietary TAHOE 8824 User Guide Rev 01 09 18 2017 Page 8 OF 34 1 4 Physical Layout for System Figure 2 Front view of TAHOE 8824 Figure 3 Top view of TAHOE 8824 ...

Page 9: ...Interface Masters Technologies Inc Confidential Proprietary TAHOE 8824 User Guide Rev 01 09 18 2017 Page 9 OF 34 Figure 4 Side View of TAHOE 8824 Figure 5 Rear view of TAHOE 8824 ...

Page 10: ...eon TX family The CN82xx has one 72 bit DRAM controllers that can support DDR4 while the CN83xx has two controllers In addition both CN82xx and CN83xx has several SERDES that can be configured as various Ethernet interfaces SATA and PCI e The following is a list of interfaces that is provided by the CPU 72 bit wide DDR4 module eMMC Interface SPI Interface QLM SERDES blocks Three DLM SERDES blocks ...

Page 11: ...72 bit DRAM interface controllers that can support DDR4 up to 2133 MT s data rate and the CN83xx has two Each controller can support single dual and quad rank configurations The TAHOE 8824 support both DRAM controllers with a single DDR4 SODIMM slot per controller 16GB is the highest density SODIMM module available Figure 6 DRAM controller Functional diagram ...

Page 12: ...it can support up to three attached eMMC flash based memory devices with 3 CMD lines The eMMC interface can operate at speeds up to 52MHz In addition the memory device connected to the CMD0 and the SD card slot is connected to CMD1 but a eMMC Boot Select Jumper can swap the CMD0 and CMD1 lines to allow boot up from an SD card possible Figure 7 TAHOE 8824 eMMC Interface ...

Page 13: ...interface and can run with a clock speed of up to 50MHz The CN83xx can also boot from a SPI flash device as well The maximum initial clock speed during boot up is 12 5MHz The TAHOE 8824 has a SPI flash storage device attached and can be used as a boot device when optioned to do so By default the eMMC flash is the boot device Figure 8 TAHOE 8824 SPI Flash ...

Page 14: ... or One XLAUI DLM4 One SGMII DLM5 DLM6 Four XFI of One XLAUI DLM5 DLM6 are combined to create a 4 lane interface QLM0 is configured as a PCI e host interface and connect to a M 2 connector that is meant for an NVMe SSD QLM1 is configured as a PCI e host interface and is connected to the IO module expansion slot for any PCI e peripheral device QLM2 is configured as four XFI interface which connect ...

Page 15: ...5 OF 34 2 6 USB 3 0 The CN83xx has two USB 3 0 host interfaces and can support Super Speed 5 0Gbps High Speed 480Mbps Full Speed 12Mbps and Low Speed 1 5Mbps transmission rates The TAHOE 8824 has both interfaces exposed to the front panel as two USB 3 0 Type A connectors Figure 9 TAHOE 8824 USB 3 0 Diagram ...

Page 16: ...Page 16 OF 34 2 7 UART Interface The CN83xx has two UART interfaces The TAHOE 8824 has UART0 connected to a TTL to RS232 level translator which then connects to an RJ45 connector as the serial console UART1 is exposed to an internal header for factory debug use only Figure 10 TAHOE 8824 UART Interface ...

Page 17: ... Page 17 OF 34 2 8 I2C Interface The CN83xx has two I2C interfaces that can each support standard mode 100kbps and fast mode 400kbps The TAHOE 8824 has TWSI0 connected to the DDR4 modules for the SPD and TWSI1 connected to the TLV EEPROM RTC and temperature sensor Figure 11 TAHOE 8824 TWSI Interface ...

Page 18: ...9 SMI interface The CN83xx has two MDIO interfaces that allows the CPU to manage Ethernet PHYs Both MDIO interfaces can support both Clause 22 and Clause 45 of the IEEE 802 3 standard The TAHOE 8824 has SMI0 connected to the on board PHYs and SMI1 connected to the IO module Figure 12 TAHOE 8824 SMI Interface Diagram ...

Page 19: ...general purpose parallel address data bus interface called PBus The PBus has 32 address data lines and can support up to eight connected devices with its eight chip selects The TAHOE 8824 has the CPLD connected to the PBus and the PBus interface is the main communication channel between the CPU and the CPLD Figure 13 TAHOE 8824 PBus Functional Diagram ...

Page 20: ...ure 14 TAHOE 8824 CPLD Functional Diagram 3 1 Access Interface The main interface used to access the control registers of the CPLD is through the CPU s P Bus 3 2 LED Control All of the system LEDs will be driven by the CPLD and can be controlled by software through the CPLD control registers 3 3 Boot Strap The hardware strap pins of the CN83xx are connected to the CPLD to allow the user to easily ...

Page 21: ...after the SPI NOR flash 3 5 Selecting Boot Device Registered BOOT_CSR in the CPLD Selects Boot Device The boot device could be selected by writing the appropriate values into BDSL_2 and BDSL_3 BOOT_CSR Boot Control and Status 7 6 5 4 3 2 1 0 CN_FAILSF res res res BDSL_3 BDSL_2 res res Table 1 Boot Device Register bit 7 CN_FAILSF CPU Failsafe Upon reset it is set to 1 but if the CPU fails to boot i...

Page 22: ...ports 4 1VSC8221 SGMII to 1000Base T PHY The VSC8221 is a Gigabit Ethernet PHY that converts the SGMII interface to 1000Base T and vice versa This PHY also supports 10Base T and 100Base T Below is a list of the major interfaces for the VSC8221 SGMII Connects to the SGMII interface of the CN82xx CN83xx DLM4 MDI Connects to the RJ45 Management Port for 10 100 1000Base T connection MDIO Connects to t...

Page 23: ...that converts the XFI to SFI and vice versa This PHY is only populated on systems that use the CN83xx processor Below is a list of the major interfaces for the VSC8257 Four XFI Connects to the four XFI interfaces of the CN83xx QLM2 Four SFI Connects to the four SFP cages on the main board MDIO Connects to the SMI MDIO interface of the CN83xx Figure 16 TAHOE 8824 XFI to SFP interface ...

Page 24: ...4 User Guide Rev 01 09 18 2017 Page 24 OF 34 4 3 M 2 NVMe SSD TAHOE 8824 supports NVM e SSD module The capacity of these modules ranges from 128GB to 1 TB The NVMe SSD connected with CN82xx CN83xx processor QLM0 through PCI e interface Figure 17 TAHOE 8824 NVMe Interface ...

Page 25: ...vices DDR4 SPD EEPROM TLV EEPROM real time clock RTC and a temperature sensor controller Figure 18 TAHOE 8824 I2C peripherals Diagram 5 1 I2C Bus 0 Peripherals The CN82xx CN83xx TWSI0 interface is the I2C master for bus 0 5 1 1 DDR4 SPD Each DDR4 module consist an EEPROM that stores SPD data The I2C IDs for the DIMM slot 0 1 2 3 are 1010 000x 1010 001x 1010 010x 1010 011x ...

Page 26: ...mperature The I2C ID is 1001 100x 5 2 2 Real Time Clock The MCP7940N is a battery backed I2C real time clock With having an external 32 768kHz crystal and a battery this device can keep track of time while the system is off The I2C ID is 1101 111x Microchip RTC device is installed on the system to provide RTC function 5 2 3 EEPROM An EEPROM is utilized to store MAC address for the CN78xx and other...

Page 27: ...x 10Gbps Ethernet SERDES which allows for either eight 10Gbps ports XFI or two 40Gbps ports XLAUI In addition the TAHOE 8824 has one of the CN82xx CN83xx PCI e host interfaces connected to the IO module slot which allows support for future PCI e peripheral devices The IO Module slot is hot swappable however a system reset is required when changing from one media type to another Figure 19 TAHOE 882...

Page 28: ... configured as a one plus one redundant setup the TAHOE 8824 can still be fully functional in the event when one power supply can t deliver any power Input Voltage VAC Max Input Current A 100 8 240 4 Table 3 Input Power Supply Output Voltage DC Max Output Current A 12 44 Table 4 Output Power Supply 7 1 Power Consumption TAHOE 8824 consume 245W power depending on CPU speed DRAM size DRAM speed Numb...

Page 29: ...7 Page 29 OF 34 8 Cooling Fan TAHOE 8824 provide Four hot swap fans with speeded control and temperature control chip with four sensors The cooling fan cools the system depends on temperature of the system and it is automatically adjusted when it is required Figure 20 Cooling Fan Functional diagram ...

Page 30: ...idential Proprietary TAHOE 8824 User Guide Rev 01 09 18 2017 Page 30 OF 34 9 Enclosure Dimension TAHOE 8824 is a 1U appliance with following dimension Inches MM Height 17 5 445 Width 1 73 44 Length 17 25 438 Table 5 Dimensions of TAHOE 8824 ...

Page 31: ...are not authorized for use as critical components in life support devices or systems without the express written approval of the CEO of Interface Masters Technologies Refer to the following for definitions of critical components and life support devices A critical component is any component of a life support device or system whose failure to perform can be expected to cause the failure of the life...

Page 32: ... replace products which prove to be defective in materials or workmanship provided they are returned to an Interface Masters Technologies authorized repair center Shipment to Interface Masters Technologies is at the customer s expense Interface Master Technologies pays return shipment by ground Products which in Interface Masters Technologies opinion have been subject to misuse abuse neglect or un...

Page 33: ...Rev 01 09 18 2017 Page 33 OF 34 11 Ordering Part Number 11 1 System ordering part number TAHOE 8824 CPU CPU DRAM Power Speed Size Supply 1 AC 2 DC 1 32 2 64 1 1200 2 1400 3 1800 4 2000 5 2200 1 CN8240 2 CN8250 3 CN8340 4 CN8350 5 CN8360 6 CN8365 7 CN8370 Table 6 Ordering Part Numbers ...

Page 34: ...ing configurations will be stocked with Four weeks of lead time Ordering Number Configuration TAHOE 8824 7321 TAHOE 8824 CPU CN8370 CPU Speed 1800 DRAM size 32GB AC power supply Table 7 Standard Configurations 11 3 Accessories Part Numbers Part Number Description TAC104 Left Right mounting Ears TAC103 Sliding Guides Table 8 Accessories Part Numbers ...