DELL COMPUTER CORPORATION OPTIPLEX NX Processor Pentium II Processor Speed 233/266/300MHz Chip Set Intel Video Chip Set ATI Maximum Onboard Memory 384MB (SDRAM supported) Maximum Video Memory 4MB Cache 512KB (located on Pentium II CPU) BIOS Unidentified Dimensions 305mm x 244mm I/O Options Ethernet connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, USB connectors (2), line in, line out, microphone in NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location 3.3v auxiliary power C1 USB connector 1 CN7 Front panel connector C2 USB connector 2 CN8 Chassis fan power C3 PS/2 mouse port CN9 3.3v power C4 Parallel port CN10 Line in CN1 Serial port 1 CN11 Line out CN2 IDE interface 2 CN12 Microphone in CN3 IDE interface 1 CN13 Ethernet connector CN4 Floppy drive interface CN14 VGA port CN5 Riser slot SL1 Serial port 2 CN6 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not alter J1 Open » Factory configured - do not alter J5 Open » Password enabled J6 Closed Password disabled J6 Open DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (1) 1M x 64 None None 16MB (1) 2M x 64 None None 16MB (1) 1M x 64 (1) 1M x 64 None 24MB (1) 2M x 64 (1) 1M x 64 None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 4M x 64 None None 32MB (1) 2M x 64 (1) 2M x 64 None 40MB (1) 4M x 64 (1) 1M x 64 None 48MB (1) 4M x 64 (1) 2M x 64 None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 (1) 4M x 64 None 72MB (1) 8M x 64 (1) 1M x 64 None 80MB (1) 8M x 64 (1) 2M x 64 None 96MB (1) 8M x 64 (1) 4M x 64 None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 128MB (1) 16M x 64 None None 128MB (1) 8M x 64 (1) 8M x 64 None 136MB (1) 16M x 64 (1) 1M x 64 None 144MB (1) 16M x 64 (1) 2M x 64 None DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 160MB (1) 16M x 64 (1) 4M x 64 None 192MB (1) 16M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 256MB (1) 16M x 64 (1) 16M x 64 None 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 Note: Board accepts EDO memory. CACHE CONFIGURATION Note: 512KB cache is located on the Pentium II CPU. VIDEO MEMORY CONFIGURATION Note: Board accepts 2MB/4MB video memory. The configuration is unidentified. CPU SPEED SELECTION CPU speed Clock Multiplier J2 J3 J4 speed 233MHz 66MHz 3.5x Open Open Closed 266MHz 66MHz 4x Open Closed Open 300MHz 66MHz 4.5x Closed Open Open