1-16 Dell OptiPlex Gs and Gs+ Systems Service ManualSystem BoardThe subsections that follow provide service-related information about somesystem board components. Figure 1-14 shows the system board layout.Figure 1-14. System Board ComponentsMain MemoryThe four SIMM sockets on the system board can accommodate combinations of4-, 8-, 16-, and 32-MB SIMMs up to a total memory capacity of 128 MB. Thestandard main memory is 8 MB of high-speed (60-ns) EDO SIMMs.The SIMMs must be installed in pairs of the same capacity. Sockets SIMM_Aand SIMM_B must always have SIMMs installed.See “SIMMs” in Chapter 4 or 5, as appropriate for your system, for informationon removing and replacing SIMMs.battery socket(BATTERY)serial port 2 connector(SERIAL2)serial port 1/parallelport connectors (stacked)(PARALLEL/SERIAL1)diskette/tape drive interfaceconnector (DSKT)front of computerprimary EIDE interfaceconnector (IDE1)SIMM sockets (4) (SIMM_Athrough SIMM_D)microprocessor socket(MICROPROCESSOR)riser boardconnector(RISER) secondary EIDE interfaceconnector (IDE2)NIC connector (ENET)jumperscontrol panelconnector (PANEL)main power inputconnector (POWER1)3.3-V powerinput connector(POWER2)keyboard/mouseconnectors (stacked)(KYBD/MOUSE)video connector(MONITOR)videomemorysocket(VMEM1)videomemorysocket(VMEM2)NICRSTjumper
