ncr/doc/Old Models/Technical Manuals/7453_... - Alsys Data
ncr/doc/Old Models/Technical Manuals/7453_... - Alsys Data
ncr/doc/Old Models/Technical Manuals/7453_... - Alsys Data
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4-16 Chapter 4: Hardware ServiceCircuit BoardsSeries 4000 Processor BoardThe <strong>7453</strong> workstation supports Series 4xxx, 686, and 586 processorboards. This section provides a pictorial component layout of thecircuit boards and pertinent service information. Use these layoutfigures to locate serviceable components.Caution: For continued protection against risk of fire, replace fusesonly with the same type and rating.Power Supply 7452 UPS Floppy DrivePower SupplyHardOn/OffLithium<strong>7453</strong> UPSSerial 4Drive 1<strong>7453</strong> CashBatteryDrawerDip SwitchSW1SpeakerSerial 1USB1USB2KeypadMouseSerial 2HardDrive 2ControlPanelCPU FanCPU SocketEthernetSVGALCDVGACRTTree CardConnectorParallelDisk OnChip SocketSerial 3Dip SwitchSW2DIMM Sockets17777