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Computer system bus termination for an intel slot 2 bus
Computer system bus termination for an intel slot 2 bus
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机译:英特尔插槽2总线的计算机系统总线终端
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摘要
A bus configuration and associated termination for an Intel Slot 2 bus supporting communication for at least one Intel Pentium II Xeon processor. The Intel Slot 2 bus is configured in an in-line topology and includes a plurality of Intel Slot 2 bus connectors connected to the Intel Slot 2. A first plurality of bus terminators are electrically connected to a first end of the in-line Intel Slot 2 bus and a second plurality of bus terminators are electrically connected to a second end of the in-line Intel Slot 2 bus. The first and second plurality of bus terminators are constructed in accordance with termination specifications required by Intel on terminator cards which are inserted into unpopulated Intel Slot 2 bus connectors except that one end of the bus has the one hundred and fifty ohm pull-up resistor required by Intel replaced with an eighty two ohm pull-up resistor. Furthermore, each terminator card inserted into unpopulated Intel Slot 2 bus connectors include only, a short circuit connection between a power_enable1 signal and a power_enable2 signal, a short circuit connection between a JTAG TDI signal and a JTAG TDO signal, a first resistor having a resistance value of ten kilohms connected between a serial communication bus line SCLK and a supply power voltage VCCSM, and a second resistor having a resistance value of ten kilohms connected between a serial communication bus line SDAT and the supply power voltage VCCSM.
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