[. . . ] Model C160 / C180 / C200 / C240 / C360 Owner's Guide HP Part No. A4200-90050 Edition E1298 Printed in U. S. A. Copyright © Hewlett-Packard Co. 1998 Printing History First Printing: December 1998 UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company Limited. NOTICE The information contained in this document is subject to change without notice. HEWLETT-PACKARD WARRANTY STATEMENT HP PRODUCT DURATION OF WARRANTY one year C160/C180/C200/C240/C360 1. [. . . ] Read over the steps involved in installing memory modules before you begin. Modules must be inserted in the lowest numbered memory connector pair first, then in numerical order. For example, install memory in 0A and 0B first, then 1A and 1B, 2A and 2B, 3A and 3B, 4A and 4B, and 5A and 5B. Memory slots must be filled in order from 0A and 0B through 5A and 5B. For example, install 128 MB modules, then 64 MB, 32 MB, and finally, 16 MB modules. When you have finished installing additional memory modules, use the Boot Console Interface to verify that they are seen by the workstation. · · · · 126 Changing Your Workstation's Hardware Configuration Installing Additional Memory Perform the following steps to add memory modules to your workstation. 1 2 Remove the main tray assembly according to the directions in "Removing the Main Tray Assembly" earlier in this appendix. Use Figure 40 to locate the memory modules on the CPU Assembly. 0A 4A 0B 4B 2A 5A 2B 5B 3A 1A 3B 1B Rear of Main Tray Figure 40 C160/C180/C200/C240/C360 Memory Module Location This workstation has 12 memory slots, labeled 0A, 0B through 5A, 5B. The memory configuration is 32 MB to 1. 5 GB installed in pairs of 16 MB, 32 MB, 64 MB, or 128 MB memory modules. Always install the largest capacity memory modules in the lowest numbered memory slots. For example, if you have a pair of 16 MB memory modules and a pair of 64 MB memory modules, first install the pair of 64 MB memory modules in slots 0A and 0B, then install the 16 MB modules in slots 1A and 1B. NOTICE: Memory slots must be filled in order from 0A and 0B through 5A and 5B. 127 Changing Your Workstation's Hardware Configuration Installing Additional Memory 3 Close the ejector tabs on each side of the memory connector to lessen the force needed to seat the memory module. See Figure 41. White Ejector Tab Figure 41 Installing Memory Modules 4 5 Place the memory module in the connector, lining it up with the guides. Make sure to put the notched end toward the white ejector tab, as shown in Figure 41. Press firmly and evenly on the memory module to ensure that it seats properly. 128 Changing Your Workstation's Hardware Configuration Installing Additional Memory 6 Replace the main tray assembly as described in "Replacing the Main Tray Assembly, " earlier in this appendix. To verify that this installation was successful, follow the steps in Appendix D, "The Boot Console Interface, " on displaying memory information. If you have only replaced a faulty memory module, you must issue the pdt clear command in the service menu of the Boot Console Interface. (Y/N) >. " 129 Changing Your Workstation's Hardware Configuration Installing the EGRAM (Enhanced Graphics RAM) Module (C160/C180) Installing the EGRAM (Enhanced Graphics RAM) Module (C160/C180) Before installing the EGRAM module, perform the procedure in Removing the Main Tray Assembly on page 122. Perform the following steps to add the EGRAM module to your workstation: 1 Press the release clip and rotate the EISA fan, as shown in Figure 42. Figure 42 Rotating the EISA Fan 130 Changing Your Workstation's Hardware Configuration Installing the EGRAM (Enhanced Graphics RAM) Module (C160/C180) 2 3 Slide the EISA slider to the side to remove it, as shown in Figure 43. Remove the screw from the EISA retainer and remove it, as shown in Figure 43. EISA Slider EISA Retainer Figure 43 Removing the EISA Slider and Retainer 4 Grasp the option board by the edge with both hands and pull it straight out. Remove all option boards, making note of which option slot each one was installed in. NOTICE All boards must be replaced in their original slots or your system may not run properly. 131 Changing Your Workstation's Hardware Configuration Installing the EGRAM (Enhanced Graphics RAM) Module (C160/C180) 5 6 Install the standoffs into the EGRAM module, as shown in Figure 44. Push the standoffs into the holes on the module until the clips fully emgage with the board. Align the connector on the EGRAM module with the connector on the I/O board, while aligning the standoffs with the holes in the I/O board. See Figure 44. Figure 44 Installing the EGRAM Module 7 Connect the EGRAM module to the I/O board. [. . . ] subdirectory A directory that is located in, or anywhere on a path below, another directory. superuser A user with permission to enter the top-level directory and make changes to files and programs that users are not allowed to change. To "become superuser" or "become root" means to let the system know that you are now assuming the role of system administrator. You can do this either by logging into the system as root, or by typing su at a command-line prompt. [. . . ]