Dell OptiPlex Gs Service Manual (.pdf) - Page 17

3.5-inch diskette drive diskette/tape drive interface cable DC power cable hard-disk drive bays (2) power supply AC power receptacle voltage selection switch parallel port connector serial port 1 connector mouse connector keyboard connector serial port 2 connector NIC connector video connector Figure 1-4. Internal View of the Midsize Computer expansion-card cage expansion-card slots (5) Advanced Expansion Subsystem The Gs and Gs+ systems offers advanced expansion subsystems that can support a mixture of traditional ISA expansion cards (called legacy cards), Plug and Play ISA expansion cards, and PCI expansion cards. The ISA Configuration Utility (ICU) included with the computer provides a means of avoiding resource conflicts that might arise from such an arrangement. After all legacy cards have been configured with the ICU, the computer automatically assigns any required memory space, IRQ lines, and DMA channels to any installed Plug and Play ISA expansion cards and PCI expansion cards the next time the computer is rebooted. Chapter 3, "Using the ISA Configuration Utility," in the Reference and Installation Guide describes the ICU and provides instructions for using it to configure the computer. NOTES: If the Microsoft® Windows NT ®operating system is being used, set any Plug and Play expansion cards to legacy mode using the card manufacturer's configuration utility and enter the card's resources with this utility. Then run the ICU and add the card to the system's configuration. The ICU is not required for the Microsoft Windows®95 operating system because the same functions are provided by the Device Manager. System Overview 1-5