1-2 Dell Precision 410 Systems Service Manual6\VWHP)HDWXUHV The system includes the following features:á Dual-processor capabilityá Advanced combination PCI expansion and ISA subsystemá Plug and Play capabilityá Enhanced dual-interface enhanced integrated drive electronics (EIDE)subsystemá SCSI support using two integrated SCSI channels— The primary (Adaptec AIC-7890) channel provides Ultra2/Wide low-voltage differential (LVD) (80-MB/sec) support for high-performanceSCSI hard-disk drives and an optional redundant array of inexpensivedisks (RAID) subsystem.— The secondary (Adaptec AIC-7880) channel provides internal Ultra/Narrow and external Ultra/Wide (40-MB/sec) support for SCSI CD-ROMand tape drives, optical drives, scanners, and so forth.á 16-bit integrated 3D audio controllerá AGP or PCI graphics adapter card with one AGP expansion slotá Integrated 10/100-Mbps 3Com ® PCI Ethernet network interface controller(NIC) with Wakeup On LAN supportá Integrated universal serial bus (USB) controllerá Thermal sensors to shut down the system if it overheatsá Main system memory consisting of 64 MB to 512 MB of unbufferedSDRAM DIMMs, or up to 1024 MB of registered SDRAM DIMMsá Secondary cache of 512 KB of SRAM in the single-edge contact (SEC) car-tridge providing ECC capabilityá Self-Monitoring Analysis and Reporting Technology (SMART)-compliantEIDE hard-disk drives and SMART support in the system BIOS, whichwarns you at system start-up if an EIDE hard-disk drive has becomeunreliableFor a complete list of system features, see “Technical Specifications,” foundlater in this chapter.When following the procedures in this manual, assume that the location ordirection relative to the computers is as shown in Figure 1-1.