User manual ACER ASPIRE G7713

[. . . ] Always observe the following precautions before you install a system component. Do not remove a component from its protective packaging until you are ready to install it. Wear a wrist grounding strap and attach it to a metal part of the system unit before handling components. If a wrist strap is not available, maintain contact with the system unit throughout any procedure requiring ESD protection. 1. 5. 2 Pre-installation Instructions Always observe the following before you install a system component: 1. [. . . ] Connect the necessary cables and turn on the system. 1-10 User's Guide 1. 6 Installing Memory The system memory is upgradable to a maximum of 192 MB via three 168-pin DIMM sockets onboard. These DIMM sockets accept 16-, 32-, 64-, and 128-MB, 3. 3V SDRAMs. See Figure 1-1 for the location of the DIMM sockets. Section 1. 6. 1 tells how to install DIMMs. Table 1-5 lists the possible memory configurations. Table 1-5 DIMM1 16 MB 16 MB 16 MB 32 MB 32 MB 32 MB 64 MB 64 MB 64 MB 128 MB 128 MB 128 MB Memory Configurations DIMM2 DIMM3 Total Memory 16 MB 16 MB 16 MB 32 MB 32 MB 64 MB 64 MB 32 MB 64 MB 64 MB 32 MB 32 MB 16 MB 32 MB 48 MB 32 MB 64 MB 96 MB 64 MB 128 MB 192 MB 128 MB 192 MB 192 MB The listed configurations are only some of the available memory combinations. You can use other combinations as long as you follow the above rules for upgrading memory. System Board 1-11 1. 6. 1 Installing a DIMM Follow these steps to install a DIMM: 1. Align pin 1 of the DIMM with pin 1 of the socket. Pin 1 is labeled 1 on both of the DIMM and the socket. Gently push the DIMM until the holding clips lock the DIMM into a vertical position. 1 2 Figure 1-4 Installing a DIMM Be careful when inserting DIMMs. Forcing a DIMM in or out of a socket can damage the socket or the DIMM (or both). 1-12 User's Guide 1. 6. 2 Removing a DIMM To remove a DIMM: 1. Press the holding clips on both sides of the socket outward to release the DIMM. Follow these steps when installing ISA cards: 1. Remove all PnP cards installed in the system, if any. Turn on the system, enter BIOS utility and set the Reset Resource Assignments parameter to Yes to clear the resource data assigned to the PnP devices. Use Windows 95 or ICU to manually assign the appropriate IRQs to the cards. This ensures that BIOS will not use the resources assigned to the non-PnP ISA cards. 3. 5. BIOS detects and configures only PnP cards. 6. Locate the expansion slots and install the PnP ISA and PCI cards. This time PnP BIOS automatically configures the PnP ISA and PCI cards with the available resources. System Board 1-19 Figure 1-11 Installing an ISA Card 1. 11 USB USB is a new serial bus design that is capable of cascading low-/medium-speed peripherals (less than 12Mbps) such as keyboard, mouse, joystick, scanner, printer and modem/ISDN. With USB, complex cable connections at the back panel of your PC can be eliminated. See Figure 1-1 for the location of the USB interface on the system board. 1. 12 Wireless Communication Support The system supports wireless communication via onboard infrared interface (see Figure 1-2 for the location of the IrDA connector). This feature enables the system to communicate with SIR-aware peripherals without the aid of cables. [. . . ] Press or . Error Message Onboard Serial 1 Conflict Onboard Serial 2 Conflict Onboard Parallel Port Conflict PS/2 Pointing Device Error PS/2 Pointing Device Interface Error Press F1 key to continue or Ctrl-Alt-Esc for Setup Press Esc to turn off NMI, any key to reboot Protected Mode Test Fail RAM BIOS Error Real Time Clock Error Shadow RAM Fail System Memory Address Error Press to disregard NMI error. Check DIMMs on system board or contact your dealer. 1-24 User's Guide 1. 15. 3 Correcting Error Conditions As a general rule, the "Press F1 to continue" error message is caused by a configuration problem which can be easily corrected. An equipment malfunction is more likely to cause a fatal error, i. e. , an error that causes complete system failure. Here are some corrective measures for error conditions: 1. [. . . ]