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| IDT PCI PASSIVE BACKPLANE FEATURES: * Five 32-bit 5V PCI slots including: -Three PCI card edge slots (Slots 0, 1, 2) -One compact PCI slot (Slot 3) -One PCI mezzanine card (PMC) slot (Slot 4) * Any PCI slot can act as a master * Pushbutton reset * Uses standard PC power supply connectors * 5 Volt to 3.3 volt regulator supports 3.3V PCI devices * In system programmable PCI bus arbiter * On-board switch allows power-down of slots 2, 3, and 4 while slots 0 and 1 remain energized PRELIMINARY IDT7M9502 BLOCK DIAGRAM S lot 0 + 3.3V + 5V + 12V -1 2V P C I 32 S lo t 1 P C I 32 S lot 2 S lot 3 CP CI S lot 4 PMC SW 3 _+ V .3 SW _+ 5V SW _ +1 2V SW _- 1 2V P C I 32 3 3.33 M hz OSC 49 F C T 80 5 49 F C T 80 5 2 74F S T 680 0 3 RE Q GNT GNT RE Q RE Q -12 V + 5V A OE B B ias GNT RE Q GNT GNT 32 Bit P C I B us S W _+ 3 .3V 4175 dwg 01 + 12 V 74F S T 6 800 PCI Bu s Arbiter S w itc h + 5V + 12V -12 V + 5V LD O V o ltag e Reg ulator S W _+ 5V S W _+ 12V S W _-12 V OE B ia s S W _+ 5V LD O V o ltag e Regulator RE Q S ta ndard P C P ow er (c) 1999 S up ply Co nnector + 5V S W _+ 5V + 3.3V LE D LE D JULY 1999 1 Integrated Device Technology, Inc. DSC 4175/1 IDT7M9502 IDT ORDERING INFORMATION XXX XX Device Type X Power X Speed X Package X Process/ Temperature Range Blank Commercial (0C to +70C) IDT Blank Package Blank Speed Blank Standard Power 7M9502 PCI Backplane (c) 1999 2 Integrated Device Technology, Inc. DSC 4175/1 |
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