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4-36 Chapter 4: Hardware ServiceActive Tree Card (2xxx, 3xxx, 35xx 686 and some 4xxx)The Active Tree Card for all processor boards, except the 586, providesexpansion slots and battery-backed CMOS memory. The followingexpansion slots are available:• 1 ISA slot• 1 PCI slot• 1 shared ISA/PCI slotNote: Early <strong>7453</strong>-2xxx units have a Tree Card with two ISA slots andone shared ISP/PCI slot.Memory DumpConnector (J9)Auxiliary PowerConnector (J8)Shared SlotsISA SlotsSW2SW3UPS SignalConnector (J7)SW115138SW1 CMOS I/O Base AddressAddress SW1-1 SW1-2 SW1-30100 ON ON Not Used0120 ON OFF Not Used0140 OFF ON Not Used0160 OFF OFF Not Used
Chapter 4: Hardware Service 4-37SW2 ROM Base AddressAddress SW2-1 SW2-2 SW2-3C8000 ON ON ONCC000 ON ON OND0000 ON ON OFFD4000 ON ON OFFD8000 OFF OFF ONDisable OFF OFF OFFSW3- 1 to 3 UPS Address SelectAddress SW3-1 SW3-2 SW3-32F8H ON ON ON3F8H ON ON OFF338H ON OFF ON3E8H ON OFF OFF238H OFF ON ON2E8H OFF ON OFF2E0H OFF OFF ONDisable OFF OFF OFFSW3-4 to 6 UPS IRQ SelectIRQ SW3-4 SW3-5 SW3-6Disable ON ON ON15 ON ON OFF12 ON OFF ON11 ON OFF OFF9 OFF ON ON5 OFF ON OFF7 OFF OFF ON3 OFF OFF OFF
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NCR 7453 WorkstationRelease 3.2Hard
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iSafety WarningsPrefaceAudienceThis
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iiiGrounding InstructionsIn the eve
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vTable of ContentsChapter 1: Produc
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viiRemoving the Fan................
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ixRevision RecordIssue DateRemarksA
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xiVoluntary Control Council for Int
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11Chapter 1: Product OverviewIntrod
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2Chapter 2: POST DiagnosticsPower-O
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Chapter 2: POST Diagnostics 2-3Beep
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Chapter 2: POST Diagnostics 2-5Beep
Page 23 and 24: 3Chapter 3: TroubleshootingIntroduc
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Page 116: Index-2PCI LCD boardSVGA, 4-71VGA,
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