User manual ACER ALTOS R310

[. . . ] Open the system according to the instructions in the housing installation manual. Follow the ESD precautions in section 1. 2 before handling a system component. Remove any expansion boards or peripherals that block access to the SIMM sockets or CPU socket. See the following sections for specific instructions on the component you wish to install. Do not attempt the procedures described in the following sections unless you are a qualified service technician. 1-4 User's Guide 1. 4 Upgrading the CPU The system has a separate board for the CPU and the second-level cache. [. . . ] Forcing a SIMM into or out of a socket can damage the socket or the SIMM (or both). 1-8 User's Guide 2. Gently push the SIMM up until the pegs of the socket slip into the holes on the SIMM and the holding clips lock the SIMM into a vertical position. The SIMM should be at a 90o angle when installed. Make sure that the two SIMMs on each bank are identical. Figure 1-3 Installing a SIMM 1. 6. 2 1. 3. Removing SIMMs Press the holding clips on both sides of the SIMM outward to release it. Press the SIMM downward to about a 45o angle. Gently pull the SIMM out of the socket. System Board 1-9 Figure 1-4 Removing a SIMM Always remove SIMMs from the highest bank first. 1. 6. 3 Reconfiguring the System Always reconfigure the system after installing or removing SIMMs. Follow these steps to reconfigure the system: 1. A memory error message appears, indicating that the total memory does not match the value stored in CMOS. Press 2. A warning message indicates an incorrect memory configuration. Press twice to exit Setup and reboot the system. to enter Setup. The system boots with the new memory configuration. 1-10 User's Guide 1. 7 SCSI Feature For Small Computer System Interface (SCSI) models, the system board features a fast, single-chip SCSI-2 host adapter that adds SCSI I/O capability to the system. The device consists of all the components found on the state-of-the-art SCSI host adapters such as an onboard microcontroller, bus master interface controller, and SCSI controllers. Through the PCI bus, this device can transfer at a full 132-MB/second burst transfer rate. Refer to the information. SCSI manual for more 1. 8 Enhanced IDE Feature The system board comes with two enhanced IDE connectors. For ID3P housings, the Turbo LED connector and the Reset switch are combined in one 8-pin connector. To connect, simply plug the 8-pin connector to the Reset/SMI connector on the motherboard. Take note of pin 1 as shown in Figure 1-5. System Board 1-13 1. 9. 2 Reset/SMI Connector The Reset/SMI connector is located on the motherboard. It has eight pins and supports both the Turbo LED and Reset switch functions. Take note of the location of pin 1 on the Reset/SMI connector. Figure 1-5 shows you how and where to connect the Turbo LED and the Reset switch connectors. PIN 1 1 Turbo LED Reset Switch Figure 1-5 Reset/SMI Connector 1. 10 Post-installation Instructions Observe the following after installing a system component: 1. See to it that all components are installed according to the stepby-step instructions in their respective sections. Make sure you have set the required jumpers. See section 1. 5 for the correct jumper settings. Replace any expansion boards or peripherals that you removed earlier. Connect the necessary cables and turn on the system. 1-14 User's Guide 1. 11 Error Messages In the event that you receive an error message, do not continue using the computer. [. . . ] Check and modify DRAM configuration to agree with Table 1-2. Run Setup and select the proper drive type. Check and connect the cable to the fixed disk drive or controller. Check the fixed disk and replace if necessary. [. . . ]