Technical Information 1-7 MIDI/joystick connector on the system board for installation of an optionalMIDI/joystick kit Audio Wave upgrade connector on the system board for installation of an optionalWave upgrade.Table 1-3 lists the major chips on the system board. See Appendix A, Connector PinAssignments, for a list of the system board connectors. See Appendix B, System BoardJumpers, for a description of board jumpers.Table 1-3 System Board ChipsChip DescriptionP54C (CPGA) 75/50-MHz Intel Pentium processor90/60-MHz Intel Pentium processor100/66-MHz Intel Pentium processor133/66-MHz Intel Pentium processorIntel Triton 82430FX PCI/ISA Chip Set82437FX82438FX824371FBSystem controllerData path unitPCI ISA/IDE accelerator bridge chipSMC FDC37C935 or 665 Integrated Plug and Play Ultra I/O controllerAlliance ProMotion-6422 PCI GUI graphics controller28F001 128k x 8 Flash ROMDallas DS12887/MC146818orToshiba CR2032 Coin Cell BatteryReal-time clock/battery (SMC 665)or3 Volt Lithium CMOS battery (SMC 935)OPTi 82C930 Sound Chip(multimedia systems only)Onboard PC sound systemYamaha OPL3-L Synthesizer Chip(multimedia systems only)Frequency modulated synthesizerProcessorThe PowerMate V series of computers use the following Pentium processors: PowerMate V75 — 75-MHz processor with internal speed of 75 MHz andexternal speed of 50 MHz. PowerMate V90 — 90-MHz processor with internal speed of 90 MHz andexternal speed of 60 MHz
