Dell OptiPlex GX1 Dell OptiPlex GX1 and NX1 Documentation Update - Page 10

6\VWHP%RDUGDQG&RQQHFWRUV New OptiPlex GX1 and NX1 systems contain the system board shown in Figure 1-2. parallel/serial port 1 connectors (stacked) (PARALLEL/SERIAL1) mouse/keyboard connectors (stacked) (MOUSE/KYBD) telephony DIMM sockets (3) 3.3-V power input connector (DIMM_A-DIMM_C) connector (POWER_2) (TAPI) battery socket (BATTERY) control panel connector (PANEL) chassis intrusion switch connector USB connectors (USB) (2) serial port 2 connector (SERIAL2) microprocessor fan connector (FAN) CD-in connector (CD-IN) video connector (MONITOR) main power input connector (POWER_1) SEC cartridge connector (SLOT1) front of computer video-memor y upgrade socket (VIDEO_UPGRADE) primary EIDE interface connector (IDE1) (pin-1 corner) optional integrated NIC connector (ENET) microphone jack (MIC) audio line-out jack (LINE-OUT) audio line-in jack (LINE-IN) ATI multimedia connector (AMC) riser board connector (RISER) secondary EIDE interface connector (IDE2) (pin-1 corner) diskette/tape drive interface connector (DSKT) (pin-1 corner) system board jumpers  )LJXUH6\VWHP%RDUG)HDWXUHV 0LFURSURFHVVRU2SWLRQ The OptiPlex GX1 and NX1 systems now offer the Intel® Pentium® II microprocessor with an internal speed of 450 megahertz (MHz), an external speed of 100 MHz, and a 512-kilobyte (KB) level 2 (L2) cache. 1-8 Dell OptiPlex GX1 and NX1 Documentation Update