User manual ACER ASPIRE G1731

[. . . ] 2. 3. 5-inch Drive Open the lower front panel. Remove the upper panel including its frame by pressing the latch underside and pulling the panel out. 10 Installation Guide 3. 4. Remove the screw attaching the 3. 5-inch drive frame to the housing. [. . . ] Remove the upper panel including its frame by pressing the latch underside and pulling the panel out. Secure the drive guides on the sides of a 5. 25-inch drive. 3. 4. Insert the drive into the drive bay. 5. Connect the signal and power cables to the drive. 12 Installation Guide 6. 3 1. Hard Disk Pull out a drive tray. 2. Place a hard disk on the tray and secure it with four screws. IDUN Housing 13 3. Insert the tray back into the housing. Make sure to push back the drive tray handle in place before pushing the tray in completely. The tray does not fit in if the handle is not in place. 4. Connect the hard disk cables. If you installed a SCSI backplane board into the housing, see the backplane board manual for hard disk installation instructions. 14 Installation Guide 7 Upgrading to Two Redundant Power Supply Modules Follow the instructions in this section when you want to upgrade to two 420W redundant power supply modules. To reduce the risk of electric shock, make sure to disconnect all power supply cables from the wall socket before opening the system housing. 7. 1 1. Removing the Existing Power Supply Unplug the AC power cable from the wall socket, then remove the plastic fan cover on the rear panel. Open and remove the lower front and left doors. Remove the three screws that secure the right door. 2. 3. DO NOT open the RIGHT door at this moment!Doing so will damage the power sharing board and cables attached to its inner side. 4. Unplug the connectors - from the power supply to the power sharing board - from the power sharing board to the system board - from the power sharing board to the disk drives - from the fans to the system board Remember where you unplugged each connector. Reinstall the holding plate by inserting the upper part to the rail on the inner side of the housing roof, then fitting in the lower part. Slide the holding plate to the left until it fits completely and the screw holes match. 15. Secure the holding plate with the screws that you removed earlier. Close the lower front door and lock the system housing. Reinstall the plastic fan cover on the rear panel. Reconnect the AC power cables. IDUN Housing 21 8 Installing a System Board The housing accommodates various system board sizes. You can rearrange the pegs on the system board plate to fit the board that you wish to install. 1. If you have not done so, open the housing following the steps in section 4. When ready, align the system board holes to the pegs with the external ports facing the rear of the housing. Secure the board with eight screws. 2. 3. 22 Installation Guide 9 1. Installing an Expansion Board Remove an expansion slot bracket cover. [. . . ] Secure the board with eight screws. 2. 3. 22 Installation Guide 9 1. Installing an Expansion Board Remove an expansion slot bracket cover. Save the screw to secure the expansion board. IDUN Housing 23 2. Align an expansion board with the open slot and insert the golden fingers into the expansion bus connector. Secure the board with a screw. 3. 24 Installation Guide 10 Installing a CPU Board If your system board does not include a CPU socket, follow these steps to install a CPU board. [. . . ]