Subscribe to Our Youtube Channel
Related Manuals for ASROCK Rack 4U18N Series
Summary of Contents for ASROCK Rack 4U18N Series
- Page 1 4U18N Series User Manual Version 1.0 Published April 2022 Copyright©2022 ASRock Rack INC. All rights reserved.
- Page 2 In no event shall ASRock Rack, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock Rack has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
- Page 3 Setting up the Server in a Restricted Access Location • Access can only be gained by service persons or by users who have been instructed about the reasons for the restrictions applied to the location and about any precautions that shall be taken. •...
-
Page 4: Table Of Contents
Contents Chapter 1 Introduction Shipping Box Contents Specifications Chapter 2 Server System Overview System Components Internal Features Board Arrangement System Front Panel System Rear Panel Control Panel Buttons and LEDs PSU LED Fan Failed LED Chapter 3 Hardware Installation and Maintenance Server Top Cover Power Supply System Fan... - Page 5 Installing the CPU Heatsink Installing the CPU (LGA 1200) Installing the Heatsink Installation of Memory Modules (DIMM) Appendix B Block Diagram (B550D4ID-2T/18N) Block Diagram (B550D4ID/18N) Block Diagram (E3C252D4ID-2T) Block Diagram (E3C252D4ID2)
-
Page 6: Chapter 1 Introduction
4U18N Series Chapter 1 Introduction Thank you for purchasing 4U18N Series, a reliable barebone system produced under ASRock Rack’s consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRock Rack’s commitment to quality and endurance. This guide provides the instructions of insertion and extraction of chassis components, such as chassis covers, system fans, power supplies, hard disk drive trays, and other main components this system supports. -
Page 7: Shipping Box Contents
1.1 Shipping Box Contents Item Quantity 4U18N- B550/2T B550 C252/2T C252 4U18N Series Barebone System Node Power Distribution Board (4U18N_PDB) Front Panel Board (4U18N_FPB) Rear Middle Plane Board (4U18N_MPB_R) Front Middle Plane Board (4U18N_MPB_F) Fan Board (4U18N_FB) Power Supply Unit (PSU) -
Page 8: Specifications
4U18N Series 1.2 Specifications 4U18N Series System Physical Status System Model 4U18N-B550/2T 4U18N-B550 4U18N-C252/2T 4U18N-C252 Form Factor 4U Rackmount Dimension 950 mm x 438 mm x 176 mm (with ear) (D x W x H) Support MB Size Deep mini-ITX 6.7'' x 8.2'' (17.0 cm x 20.8 cm) -
Page 9: Chapter 2 Server System Overview
Chapter 2 Server System Overview This chapter provides diagrams showing the location of important components of the server system. 2.1 System Components 8 x System Nodes / Server Board Trays 2 x Power Supply Units 2 x Power Supply Units 5 x System Fans 10 x System Nodes / Server Board Trays... -
Page 10: Internal Features
4U18N Series 2.2 Internal Features System Top View 16 17 18 19 20 21 22 23 24 25... - Page 11 From 2 x Power Supply Units (Top: PSU1 / Bottom: PSU2) System Node / Server Board Tray (Node18) System Node / Server Board Tray (Node17) System Node / Server Board Tray (Node16) System Node / Server Board Tray (Node15) System Node / Server Board Tray (Node14) System Node / Server Board Tray (Node13) System Node / Server Board Tray (Node12) System Node / Server Board Tray (Node11)
- Page 12 4U18N Series Node Top View From Interposer Board (4U18N_IPB) 2.5" U.2 NVME SSD (HDD2) 2.5" U.2 NVME SSD (HDD1) Server Board (MB) Riser Board (PCIE to 2*Slimline) (RB1U2SL_G4)
-
Page 13: Board Arrangement
2.3 Board Arrangement Item 10 x Server Boards (MB) (system front side) 10 x Interposer Board (4U18N_IPB) Power Distribution Board (4U18N_PDB) (Left side) 8 x Interposer Board (4U18N_IPB) Front Panel Board (4U18N_FPB) 8 x Server Boards (MB) (system rear side) Power Distribution Board (4U18N_PDB) (Right side) Rear Middle Plane Board (4U18N_MPB_R) Fan Board (4U18N_FB) -
Page 14: System Front Panel
4U18N Series 2.4 System Front Panel WARNING! Do NOT open the tray if it is not powered down or while it is still running. NODE NODE NODE NODE NODE NODE NODE NODE NODE NODE Description System Node / Server Board Tray (Node1) -
Page 15: System Rear Panel
2.5 System Rear Panel WARNING! Do NOT open the tray if it is not powered down or while it is still running. PSU1 PSU3 NODE NODE NODE NODE NODE NODE NODE NODE PSU2 PSU4 Redundant PSU 3+1: Only one PSU is allowed to be removed while the server is running. -
Page 16: Control Panel Buttons And Leds
4U18N Series 2.6 Control Panel Buttons and LEDs Front Control Panel 4U18N-B550/2T / 4U18N-B550: Description UID Button UID LED Power Button Power LED LAN2 LED System Reset Button LAN1 LED System Event LED *Please be noted that certain functions are supported depending on the type of the server board. - Page 17 4U18N-C252/2T / 4U18N-C252: Description Power LED LAN1 LED LAN2 LED System Event LED Power Button System Reset Button UID Button & LED *Please be noted that certain functions are supported depending on the type of the server board. Power Button Press the power button to power on or power off the system.
- Page 18 4U18N Series Status LED Definitions Power LED Status Description Green Power on Power off LAN LED Status Description Green Network connected Network disconnected System Event LED Status Description Running or normal operation Orange At least one sensor has critical alert...
-
Page 19: Psu Led
2.7 PSU LED PSU LED PSU Status LED Status Description Green Normal work; output ON and OK Amber Module fault/protection in operating mode (failure, OCP, OVP, Fan Fail, OTP, UVP) AC cord unplugged Amber blinking at 0.5Hz Warning (high temp, high power, high current, slow fan) Green blinking at 0.5Hz AC Present Only 12VSB on (PS off) or PS in Smart Redundant state... -
Page 20: Fan Failed Led
4U18N Series 2.8 Fan Failed LED Fan Failed LED Fan LED Status Description Solid Red Fan failed Normal... -
Page 21: Chapter 3 Hardware Installation And Maintenance
Chapter 3 Hardware Installation and Maintenance This chapter helps you assemble the chassis and install components. Before You Begin Before you work with the server, pay close attention to the “Important Safety Instructions” at the beginning of this manual. 1. Make sure the server is powered off. Power down the server if it is still running. -
Page 22: Server Top Cover
4U18N Series 3.1 Server Top Cover Removing the Server Top Cover 1. Before removing the top cover, power off the server and unplug the power cord. 2. The system must be operated with all the chassis top covers installed to ensure proper cooling. - Page 23 Installing the Server Top Cover 1. Lower the cover on the chassis, making sure the side latches align with the cutouts. 2. Secure the the cover to the chassis with screws.
-
Page 24: Power Supply
4U18N Series 3.2 Power Supply The system can accommodate four AC or two DC power supplies in the bay at the rear of the chassis. Three power supplies are required for full load operation, with the fourth power supply purely as a redundant, load-sharing backup. It can be removed without affecting system operation. - Page 25 Removing the Power Supply Unit To remove a failed power supply, identify the failed power supply by checking the power supply LED on the power supply. 1. Hold onto the power supply handle while pressing the locking lever towards the power supply handle.
-
Page 26: System Fan
4U18N Series 3.3 System Fan The system supports hot-swappable system fans. Replacing the System Fan 1. Lift to remove the failed fan. 2. Align the mounting holes on the replacement fan with the fan mounts on the fan bar. 3. Make sure the arrow on the fan pointed to the REAR of the chassis. -
Page 27: Node Tray
3.4 Node Tray Removing a Node Tray from the Chassis Before removing any specific node, please power off that node in advance. 1. Press down the retention latch to unclock the node tray from the chassis. 2. Hold onto the tray handle and gently pull out the node tray from the chassis. Lock Unlock... - Page 28 4U18N Series Installing a Node Tray into the Chassis Please have the node cover on before installing the node tray (See the section entited “Node Cover” for more instructions). 1. Align and carefully slide the node tray into the chassis.
-
Page 29: Node Cover
3.5 Node Cover Removing the Node Cover 1. Press the tab and push straight back to remove the node cover from the locked position. Then lift up and remove the cover. - Page 30 4U18N Series Installing the Node Cover 1. Place the node cover on the node tray and slide it toward the front until the recessed front edge fits smoothly under the tray edge.
-
Page 31: Hard Drive
3.6 Hard Drive 3.6.1 Installing a Hard Disk Drive Each node in the system supports two 2.5" NVME SSD drives. The hard drive brackets are located in the node tray. Removing the Hard Drive Bracket from the node 1. Release the thumbscrew on the HDD bracket. 2. - Page 32 4U18N Series Installing a Hard Drive to the Hard Drive Bracket 1. Engage the two embossed pins into the side dimples on the bracket. 2. Carefully push down the other side of the hard drive until the other two embossed pins and side dimples lock into place.
-
Page 33: Removing A Hard Disk Drive
3.6.2 Removing a Hard Disk Drive 1. Release the thumscrew. 2. Slide the drive assmebly toward to rear to remove it from the hard drive socket in the chassis. Then lift up and remove the hard drive assembly. -
Page 34: Air Duct
4U18N Series 3.7 Air Duct Installing the Air Duct Two types of air ducts are provided with the system. The larger one is for the CPU heatsink and the smaller one is for the memory modules. Place the air ducts onto the heastink and... -
Page 35: Installing The Cpu (Am4 Pga 1331)
Appendix A Installing the CPU (AM4 PGA 1331) Unplug all power cables before installing the CPU. -
Page 36: Installing The Cpu Heatsink
4U18N Series Installing the CPU Heatsink Please be aware that this motherboard only supports LGA115x CPU heatsink... -
Page 37: Installing The Cpu (Lga 1200)
Installing the CPU (LGA 1200) 1. Before you insert the CPU into the socket, please check if the PnP cap is on the socket, if the CPU surface is unclean, or if there are any bent pins in the socket. Do not force to insert the CPU into the socket if above situation is found. - Page 38 4U18N Series Please save and replace the cover if the processor is removed. The cover must be placed if you wish to return the motherboard for after service.
-
Page 39: Installing The Heatsink
Installing the Heatsink... -
Page 40: Installation Of Memory Modules (Dimm)
4U18N Series Installation of Memory Modules (DIMM) -
Page 41: Block Diagram (B550D4Id-2T/18N)
Appendix B Block Diagram (B550D4ID-2T/18N) M2_1 PCIE7 A A M M D D P P R R O O C C E E S S S S O O R R S S o o c c k k e e t t A A M M 4 4 ( ( P P G G A A 1 1 3 3 3 3 1 1 ) ) S S u u p p p p o o r r t t M M a a x x ：... -
Page 42: Block Diagram (B550D4Id/18N)
4U18N Series Block Diagram (B550D4ID/18N) M2_1 PCIE7 A A M M D D P P R R O O C C E E S S S S O O R R S S o o c c k k e e t t A A M M 4 4 ( ( P P G G A A 1 1 3 3 3 3 1 1 ) ) S S u u p p p p o o r r t t M M a a x x ：... -
Page 43: Block Diagram (E3C252D4Id-2T)
Block Diagram (E3C252D4ID-2T) Channel A INTEL DDR4 UDIMM PCI-E X16 SLOT 7 Max to 3200 Processor M.2_1 PCI-E Gen4 BUS DDR4 UDIMM LGA-1200 Pin Socket Channel B Max to 3200 HSIO 18-21 Oculink 1 USB3.2 Gen1 USB3.2 Gen1 5 Gb/s HSIO 0-1 2 rear ports Type A HSIO 22-25... -
Page 44: Block Diagram (E3C252D4Id2)
4U18N Series Block Diagram (E3C252D4ID2) Channel A INTEL DDR4 UDIMM PCI-E X16 SLOT 7 Max to 3200 Processor M.2_1 PCI-E Gen4 BUS DDR4 UDIMM LGA-1200 Pin Socket Channel B Max to 3200 HSIO 18-21 Oculink 1 USB3.2 Gen1 USB3.2 Gen1...
Need help?
Do you have a question about the 4U18N Series and is the answer not in the manual?
Questions and answers