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2U4FH-12L
User Manual
Version 1.0
Published September 2016
Copyright©2016 ASRock INC. All rights reserved.

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Table of Contents
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Summary of Contents for ASROCK 2U4FH-12L

  • Page 1 2U4FH-12L User Manual Version 1.0 Published September 2016 Copyright©2016 ASRock INC. All rights reserved.
  • Page 2: Copyright Notice

    Version 1.0 Published September 2016 Copyright©2016 ASRockRack Inc. All rights reserved. Copyright Notice: No part of this documentation may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRockRack Inc.
  • Page 3: Important Safety Instructions

    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. • Access is through the use of a tool or lock and key, or other means of security, and is controlled by the authority responsible for the location.
  • Page 4: Contact Information

    Contact Information If you need to contact ASRockRack or want to know more about ASRockRack, you’re welcome to visit ASRockRack’s website at www.ASRockRack.com; or you may contact your dealer for further information. ASRockRack Incorporation 6F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.)
  • Page 5: Table Of Contents

    Contents Chapter 1 Introduction Shipping Box Contents Specifications Chapter 2 Server System Overview System Components Internal Features System Front Panel System Rear Panel Front Control Panel Buttons and LEDs PSU LED 3.5-inch Hard Drive Tray LEDs Chapter 3 Hardware Installation and Maintenance Server Top Cover Hard Drive Power Supply...
  • Page 6 Power Distribution Board (PDB-D) Jumper Setup Pin Definitions...
  • Page 7: Chapter 1 Introduction

    2U4FH-12L Chapter 1 Introduction Thank you for purchasing 2U4FH-12L, a reliable barebone system produced under ASRockRack’s consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRockRack’s commitment to quality and endurance. 1. Because the hardware specifications might be updated, the content of this documentation will be subject to change without notice.
  • Page 8: Shipping Box Contents

    1.1 Shipping Box Contents Item Quantity 2U4FH-12L Barebone (2U form factor) System Boards (MB) Power Supply Units System Fans HDD Backplane (BPB) Front Panel Board (FPB) Power Distribution Boards (PDB) Power Cable, ATX 8Pin, PDB to MB, 200mm Power Cable, ATX 8Pin, PDB to MB, 700mm...
  • Page 9: Specifications

    2U4FH-12L 1.2 Specifications 2U4FH-12L System Form Factor 2U Rackmount Chassis Model 2U4FH-12L Dimensions 28.1” x 17.6” x 3.4” (715 mm x 448 mm x 86 mm) (L/W/H, w/o ear) Support MB EEB, 12''x13'' Front Panel Buttons • Power Button • UID Button LEDs •...
  • Page 10: 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 Top Covers 2 x Power Supply Units Riser Card Assembly Server Board 1 x VGA Port 4 x System Fans 12 x 3.5”...
  • Page 11: Internal Features

    2U4FH-12L 2.2 Internal Features...
  • Page 12 Item Server Board (SB) Riser Card Assembly Add-in Card Slots: 2 x PCIE Add-in Cards (on the riser card assembly)* Mezzanine Slot: 1 x Storage Mezzanine Card (on the server board)** Add-in Card Slots: 2 x PCIE Add-in Cards (on the riser card assembly)* Mezzanine Slot: 1 x LAN Mezzanine Card (on the server board)** Power Supply Unit (PSU2) Power Supply Unit (PSU1)
  • Page 13: System Front Panel

    2U4FH-12L 2.3 System Front Panel HDD8 HDD9 HDD10 HDD11 HDD4 HDD5 HDD6 HDD7 HDD0 HDD1 HDD2 HDD3 Description Control Panel Buttons and LEDs 2 x USB 2.0 Ports 12 x 3.5" Hot-Swap HDD Trays (HDD0~HDD11) VGA Port 2.4 System Rear Panel...
  • Page 14: Front Control Panel Buttons And Leds

    2.5 Front Control Panel Buttons and LEDs Front Control Panel Description LAN1, LAN2 Activity LED* System Health LED* USB 2.0 Port (USB1) USB 2.0 Port (USB2) Power Button and LED UID Button and LED* VGA Port *Please be noted that the functions are supported depending on the type of the motherboard. UID Button Press the UID button to toggle the front panel UID LED and the baseboard UID LED on and off.
  • Page 15: Psu Led

    2U4FH-12L UID LED Status Description Blue System identification is active. System identification is disabled. System Health LED Status Description Solid Red There is a fault in the system. System is normally operating. LAN1, LAN2 LED Status Description Blinking Green Network access Solid Green MEZZ LAN1/LAN2 is present.
  • Page 16: Inch Hard Drive Tray Leds

    2.7 3.5-inch Hard Drive Tray LEDs Description HDD Power LED HDD Activity LED Status LED Definitions HDD Power LED Status Description Blue HDD powered-on No power to HDD HDD Activity LED Status Description Solid Green HDD active Blinking Green HDD accessing or reading HDD failed HDD powered-off...
  • Page 17: Chapter 3 Hardware Installation And Maintenance

    2U4FH-12L 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.
  • Page 18: Server Top Cover

    3.1 Server Top Cover Removing the Server Top Covers 1. Before removing the top cover, power off the server and unplug the power cord. 2. The system must be operated with the chassis top cover installed to ensure proper cooling. 1.
  • Page 19 2U4FH-12L 3. When the top rear cover has been removed, you can also remove the top front cover. Remove the two screws on both sides that secure the front top cover to the chassis. 4. Lift up and remove the front top cover.
  • Page 20 Installing the Server Top Cover 1. Lower the top front cover on the chassis. 2. Secure the front top cover with the two screws.
  • Page 21 2U4FH-12L 3. Lower the top rear cover on the chassis, making sure the side latches align with the cutouts. Slide the top rear cover toward the front. 4. Secure the both covers with the screws.
  • Page 22: Hard Drive

    3.2 Hard Drive 3.2.1 Installing a Hard Disk Drive into 3.5" Hard Drive Tray The system supports hot-swappable 3.5" hard drives. Removing 3.5” Hard Drive Trays from the Chassis 1. Press the locking lever latch on the drive tray to unlock the retention lever. 2.
  • Page 23 2U4FH-12L Installing a 3.5” Hard Drive to the Hard Drive Tray 1. Place a 3.5" HDD into the tray with the printed circuit board side facing down. Carefully align the mounting holes in the hard drive and the tray. 2. Secure the hard drive using four screws.
  • Page 24: Power Supply

    3.3 Power Supply The system can accommodate two AC or two DC power supplies in the bay at the rear of the chassis. Each unit provides up to 750 Watts of power. Only a single power supply is required for operation, with the second power supply purely as a redundant, load-sharing backup.
  • Page 25: Installing The Power Supply Unit

    2U4FH-12L Installing the Power Supply Unit Align the power supply unit with the power supply slot. Ensure that the LED appears on the lower right corner when you are installing the power supply unit. Carefully slide the PSU all the way into the power supply bay until it clicks into place.
  • Page 26: Add-In Card

    3.4 Add-In Card 1. You can install up to four PCIE add-in cards to the chassis when they are installed on the provided riser card assembly. 2. Before installing an add-in card, power off the server and unplug the power cord. Installing an add-in card 1.
  • Page 27 2U4FH-12L 3. Remove the screw securing the filler plate. 4. Push to release the the filler plate from the assembly. 5. Slide the filler plate out sideways. 6. Install an add-in card into the retainer plate and into the connector on the riser card assembly.
  • Page 28 8. Place the assembly back into the chassis and secure it with a screw.
  • Page 29: Mezzanine Card

    2U4FH-12L 3.5 Mezzanine Card Installing a Mezzanine Card You can use an optional Ethernet mezzanine card for additional LAN ports or an optional storage mezzanine card for additional hard drives. Please be aware that the LAN mezzanine card must be used in conjunction with a matching I/O module.
  • Page 30 Tighten the screw to secure the matching I/O module to the chassis. I/O Module...
  • Page 31: System Fan

    2U4FH-12L 3.6 System Fan Replacing the System Fan 1. Unplug the fan connecter and remove the failed fan. 2. Align the fan mounts on the fan bar with the mounting holes on the replacement fan. 3. Gently place the fan on the fan bar. Make sure the fan is well seated.
  • Page 32: Server Board

    3.7 Server Board Follow the steps below to install the server board to the chassis. 1. Hold the server board only by the edges. 2. Gently place the server board into the chassis. Sit the server board on the server board tray.
  • Page 33: Chassis Cables

    2U4FH-12L 3.8 Chassis Cables This section lists supported cables for your chassis system. Cable type and quantity vary depending on the server board that comes with your system. BPB Cable, MiniSAS HD to 8087(L/A) (650mm) (Quantity: 1) Backplane Server Board...
  • Page 34 SMBus Cable, 1*5Pin, PDB to MB (650mm) (Quantity: 1) Backplane Server Board Front Panel Cable (840+800mm) (Quantity: 1)* AUX_PANEL1 USB Cable (1250mm) (Quantity: 5) PANEL1 Server Board Server Board VGA Cable (850mm) (Quantity: 1) Front Panel Server Board Power Cable, ATX 8Pin (200mm) (Quantity: 1) Server Board Power Cable, ATX 8Pin (700mm) (Quantity: 1) Server Board...
  • Page 35 2U4FH-12L Power Cable, ATX 24Pin (520mm) (Quantity: 1) Server Board PMBus Cable (500mm) (Quantity: 1) Server Board Power Cable, ATX 12Pin to 4*4Pin (Quantity: 1) Connections and cable routing may differ depending on various server boards. Please refer to the Quick Installation Guide to know the exact headers or connectors to be connected on the server board you purchase.
  • Page 36: Chapter 4 Backplane Specifications

    Chapter 4 Backplane Specifications 4.1 Hard Drive Backplanes (BPB) Top View PWR_HDD4 CYP_DEBUG1 BPB_ADDR_1 HBA2 PWR_HDD3 HBA1 PWR_HDD2 PWR_HDD1 BPB_ADDR_2 BMC_SMB1 CYP_DEBUG2 HBA0 Description HDD Power Connector (PWR_HDD4) HDD Power Connector (PWR_HDD3) Mini-SAS HD Connector (HBA1) Mini-SAS HD Connector (HBA2) Mini-SAS HD Connector (HBA0) I2C Address Setting Jumper (BPB_ADDR_1) Debug Header (CYP_DEBUG1)
  • Page 37: Front Panel Board (Fpb)

    2U4FH-12L 4.2 Front Panel Board (FPB) Top View USB_HEADER1 AUX_PANEL1 Description Front and Auxiliary Panel Header (AUX_PANEL1) USB Header (USB_HEADER1) 4.3 Power Distribution Board (PDB-D) Top View CON2 ATX12V2 ATX12V1 PWR_HDD1 ATXPWR1 PSU2 CON1 Description ATX 8pin Power Connector (ATX12V1)
  • Page 38: Jumper Setup

    4.4 Jumper Setup The illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is “Open”. The illustration shows a 3-pin jumper whose pin1 and pin2 are “Short” when a jumper cap is placed on these 2 pins.
  • Page 39: Pin Definitions

    2U4FH-12L 4.5 Pin Definitions HDD Power Connectors The 4-pin connectors (PWR_HDD1) provide power to the (PWR_HDD2) backplane. GND1 (PWR_HDD3) GND2 (PWR_HDD4) +12V MiniSAS HD Connectors These connectors are used (HBA0) to connect a mini-SAS HD (HBA1) cable to the motherboard.
  • Page 40 ATX Power Connector The PDB provides a 24-pin ATX (24-pin ATXPWR1) power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. ATX 12V Power The PDB provides two 8-pin Connector ATX 12V power connectors.. (8-pin ATX12V1) (8-pin ATX12V2) +12V2...

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