User manual ACER V226HQL

[. . . ] Record the model number, serial number, purchase date, and place of purchase information in the space provided below. The serial number and model number are recorded on the label affixed to the unit. All correspondence concerning the unit should include these information. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopy, recording, or otherwise, without the prior written permission of Acer Incorporated. Acer Altos G5450 Series Model Name : G5450 Part Number: MU. R2700. 001 Purchase Date: Place of Purchase: Acer and the Acer logo are registered trademarks of Acer Inc. [. . . ] Locate the DIMM slot on the mainboard. Important: Refer to DIMM population guidelines for important information about requirements for removing DIMM modules. 3 4 Press the holding clips on both sides of the socket outward to release the DIMM. Gently pull the DIMM upward to remove it from the socket . CPU2 CPU1 57 Installing a DIMM Warning!DIMM of the same type, size and manufacturer must be installed into the same colored DIMM slots. 1 2 3 4 5 Observe the ESD precautions and pre-installation instructions described on page 35. Align then insert the DIMM into the socket. Press the holding clips inward to lock the DIMM in place. CPU2 CPU1 Memory should be installed in pairs. Note: The DIMM slot is slotted to ensure proper installation. If you insert a DIMM but it does not fit easily into the socket, you may have inserted it incorrectly. Reverse the orientation of the DIMM and insert it again. 6 Observe the post-installation instructions described on page 36. To reconfigure the system memory: The system automatically detects the amount of memory installed. Run the BIOS setup to view the new value for total system memory and make a note of it. 58 3 System upgrade Installing an expansion card This section explains how to install an expansion card. I/O interface Altos G5450 has five PCI bus slots: · · · · · PCI1--32bit/ 33MHz PCI slot PCI2--32bit/ 33MHz PCI slot PCIE_1--PCI Express x16 slot (w/ x8 throughput) PCIE_2--PCI Express x8 slot (w/ x4 throughput) PCIE_3--PCI Express x16 slot (w/ x16 throughput) To install an expansion card: 1 2 3 4 Perform the pre-installation instructions described on page 35. If necessary, remove any cables that prevent access to the processor sockets. Locate an empty expansion slot that is compatible with the specification of the card you intend to install. (1) Press the release latch of the slot cover opposite the selected expansion slot. (1) Align the module so that the notch on the SODIMM1 slot fits the keyed edge of the module, then press the module at both ends to seat it fully into the slot. (2) When the module is properly installed, the holding clips will automatically lock in place. 6 Install the dedicated NIC port card. (1) Press the release latch of the slot cover opposite the IPMI1 slot. The release latch highlighted in the figure below is for illustration purpose only. 63 (2) Pull out the slot cover and store it for reassembly later. Caution: Do not discard the slot cover. If the expansion card is removed in the future, the slot cover must be reinstalled to maintain proper system cooling. (3) Insert the dedicated NIC port card into the selected slot. Make sure that the card is properly seated. (4) Press the release latch to secure the card in place. 64 3 System upgrade (5) Connect the card's LAN cable to the LAN1 connector of the ARMC/3 module. 7 Observe the post-installation instructions described on page 36. 65 Installing a redundant power supply module The Altos G5450 supports two 610-watts hot-swap power supply modules. The system ships out with only one power supply module installed. You have the option to install a second module to provide the system with a redundant power source. A redundant power configuration enables a fully-configured system to continue running even if one of the power supply module fails. WARNING!To reduce the risk of personal injury or damage to the equipment, the installation of power supply modules should be referred to individuals who are qualified to serve server systems and are trained to deal with equipment capable of generating hazardous energy levels. [. . . ] Count the U positions and hole numbers from the bottom up. The distance from the center of two holes with closer spacing to the center of the next pair is equivalent to 1U. Note: The unit of measurement used in this guide is "U" (1U = 1. 75 inches or 44. 45 mm). The total sum of the heights of all components in the rack measured in "U" cannot exceed the height of the rack. For more information, refer to the documentation that came with the system rack. When installing components, you must start your measurement from the center of the two holes with closer spacing. [. . . ]