Chenbro RB251 Manuale utente
RB251
RB251
Rackmount Server User Manual
February 17, 2021 Version 0.8
This document provides an overview of product features, functions, architecture, and support specifications.
2
DISCLAIMERS
No license (express or implied, by estoppel or otherwise) to any intellectual property rights is granted by this document.
The manufacturer disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability,
fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing,
or usage in trade.
This document contains information on products, services and/or processes in development. All information provided here is subject
to change without notice. Contact the manufacturer to obtain the latest Configuration Guide.
The products and services described may contain defects or errors known as errata which may cause deviations from published
specifications. Current characterized errata are available on request.
Names and brands mentioned may be claimed as the property of their respective owners
Table of Contents │3
Table of Contents
Table of Contents ...............................................................................................................................................3
List of Figures .....................................................................................................................................................4
List of Tables.......................................................................................................................................................5
1Product Overview ........................................................................................................................................6
1-1 System Features Overview...........................................................................................................8
1-2 Front Panel...................................................................................................................................9
1-3 Back Panel..................................................................................................................................10
1-4 Front Control Panel....................................................................................................................11
1-5 Chassis Dimensions....................................................................................................................12
1-6 Available Rack Mounting Kit Options.........................................................................................15
1-7 System Level Environmental Specifications...............................................................................16
1-8 System Packaging......................................................................................................................17
2Installing and Removing Components .......................................................................................................18
2-1 Top Cover Removal and Installation...........................................................................................19
2-2 HDD Cage Removal and Installation...........................................................................................21
2-3 Hot-swap HDD Assembly Removal and Installation...................................................................22
2-4 System Maintenance..................................................................................................................28
2-5 Fan Assembly Removal and Installation.....................................................................................29
2-6 CPU Installation...........................................................................................................................31
2-7 Memory Module Installation .....................................................................................................32
2-8 Full-height PCIe Card Installation...............................................................................................34
2-9 Low-profile PCIe Card Installation..............................................................................................36
2-10 OCP Mezzanine Card Installation...............................................................................................38
2-11 PSU Installation and Removal ....................................................................................................39
2-12 Slide Rail Installation..................................................................................................................40
3Backplane...................................................................................................................................................42
3-1 Storage Backplane Options........................................................................................................42
3-1 Storage Backplane Options........................................................................................................43
3-2 3.5” 12-Port 12Gbps Mini-SAS HD Active Backplane.................................................................44
3-3 12Gbps 8-Port Mini SAS HD Passive Backplane.........................................................................47
3-4 2.5” 8-Port 12Gb/s SAS Passive Backplane................................................................................50
3-7 2.5” 16-Port 12Gb/s SAS Passive Backplane Docked with Expander Board..............................52
4Base Board .................................................................................................................................................56
4-1 Base board feature overview.....................................................................................................56
4-2 Base board feature overview.....................................................................................................56
4-3 Base board jumper identification ..............................................................................................57
4-4 Base board LED identification....................................................................................................58
5Maintenance and Service...........................................................................................................................60
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List of Figures
Figure 1 RB251 overview................................................................................................................................8
Figure 2 RB251 major components overview ...................................................................................................8
Figure 3 251 front panel ....................................................................................................................................9
Figure 4 RB251 back panel...............................................................................................................................10
Figure 5 Front control panel .........................................................................................................................11
Figure 6 Chassis dimensions .........................................................................................................................12
Figure 7 Label embossing dimensions..........................................................................................................14
Figure 8 Front top cover removal .................................................................................................................19
Figure 9 Rear top cover removal...................................................................................................................19
Figure 10 Front top cover installation...........................................................................................................20
Figure 11 Rear top cover installation............................................................................................................20
Figure 12 HDD cage removal.........................................................................................................................21
Figure 13 HDD cage installation....................................................................................................................21
Figure 14 2.5" hot-swap HDD assembly removal..........................................................................................22
Figure 15 2.5’’ hot-swap HDD assembly installation ....................................................................................22
Figure 70 Backplane front view.................................................................................................................50
List of Tables │5
List of Tables
Table 1 RB251 specifications...........................................................................................................................6
Table 2 Front control panel...........................................................................................................................11
Table 3 Slide rail options ...............................................................................................................................15
Table 4 System environmental specifications summary...............................................................................16
Table 5 System packaging information .........................................................................................................17
Table 6 Product weight information .............................................................................................................17
Table 7 Drive power LED/activity LED behavior..........................................................................................42
Table 8 Backplane specifications ............................................................................................................44
Table 9 Connector and pin header function description.......................................................................45
Table 10 Dip switch setting........................................................................................................................45
Table 11 Backplane specifications ............................................................................................................47
Table 12 Connector and pin header function description.....................................................................48
Table 13 Fan setting for RM24508............................................................................................................49
Table 14 Backplane specifications ............................................................................................................50
Table 15 Connector and pin header function description.....................................................................51
Table 25 Dip switch setting........................................................................................................................51
Table 26 Backplane specifications ............................................................................................................52
Table 27 Connector and pin header function description.....................................................................53
Table 28 Expander board specifications ..................................................................................................54
Table 29 Connector and pin header function description.....................................................................55
Table 30 Dip switch setting........................................................................................................................55
Product Overview │6
1Product Overview
The RB251 2U rackmount system is in order to support Intel 3rd generation Xeon Scalable processor-- up to 2x Ice lake processor and
32x DDR4 DIMM slot based on Intel Whitley server board M50CYP2SB. RB251 provides the performance and scalability to meet the
needs of a variety of workloads for virtualization, high performance computing, cloud, etc applications. This chapter provides a
high-level overview of the system features and available options. More details for each major sub-system, feature and option are
provided in the following chapters.
Table 1 RB251 specifications
Feature
Description
Dimensions (D x W x H)
770.0.0 x 438.0 x 87.0 (mm)
30.3” x 17.24” x 3.43”
Drive Bays
External
2.5” 24-port NVMe (PCIe Gen 4), tray-less
2.5” 24-port SAS/SATA, Hot-Swap, tool-less tray
3.5” 12-port SAS/SATA, Hot-Swap, tool-less tray
3.5” 8-port SAS/SATA, Hot-Swap, tool-less tray
Internal
2x 2.5”SSD, Internal fix
Slim ODD
Optional support based on 8x3.5”HDD SKU
Slim FDD
N/A
PSU
Form Factor
1+1 (or 1+0) CRPS
Max. Power
1200W/1600W/2000W
Indicators
Front Panel
1 x Power Status
1 x UID
1 x System Alarm
Rear Panel
1 x Power Status
1 x System Reset
1 x UID
Front Control
1 x Power On/Off
1 x System Reset
1 x UID
1 x VGA
1 x USB 3.0
Cooling Fans
Front
N/A
Middle
60 x 38 mm (6) Hot-swap
Rear
N/A
Expansion Slots
4 x FHFL + 2 x FHFL + 2 x HHHL + 1 x OCP 3.0 Mezzanine Card Slots
3x 2U Riser Cards:
Riser 1: 1x PCIe x16 slot + 2x PCIe x8 slots (2x PCIe x16 slot for
Double-width GPGPU supporting)
Riser 2: 1x PCIe x16 slot + 2x PCIe x8 slots (2x PCIe x16 slot for
Product Overview │7
Feature
Description
Double-width GPGPU supporting)
Riser 3: 2x PCIe x8 slot
System Management
IPMI 2.0
Redfish compliant
Dedicate onboard RJ45 1GbE management port
Support for Intel DCM
Support for Intel SDP tool
Support for Intel server management software
BMC
ASPEED AST2500
System Security
Intel TPM support
Chassis intrusion detection
Temperature
Operating
Temperature
5°C to 35°C
Non-Operating
Temperature
-40ºC to 70ºC
Humidity
Operating
Relative
Humidity
N/A
Non-Operating
Relative
Humidity
5% to 90%
Regulatory Compliance
CE, FCC, CCC, BSMI (option)
Safety Compliance
CB, UL
Net Weight
14.9 kg / 32.82 lb (TBD)
Gross Weight
19.0 kg / 41.86 lb (TBD)
Volume
4.75 cubic feet (TBD)
Container Loading
20': 160, 40': 336, 40'H: 378 (TBD)
Product Overview │8
1-1 System Features Overview
A B C D
E
Figure 1 RB251 over view
E F G H I
Figure 2 RB251 major components overview
A. Label Embossing
B. Front Top Cover Latch
C. Front Top Cover
D. Rear Top Cover
E. Fan Assembly
F. Server Board
G. Power Supply Unit
H. Full-Height Expansion Bracket
I. Low-Profile Expansion Bracket
Product Overview │9
1-2 Front Panel
A AB B
C D
Figure 3 251 front panel
A. Rack Handles
B. Front Control Panel
C. Storage Drive Bay
D. Info Tag
Product Overview │10
1-3 Back Panel
A B C CD E
Figure 4 RB251 back panel
A. 1U Single Power Supply
B. Low-Profile Expansion Slots
C. Full-Height Expansion Slots
D. OCP Expansion Slot
E. UID Button
Indice
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