Compaq user manual AlphaPC 164SX Switch/Connector/Component Location

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Figure 2–1shows the AlphaPC 164SX motherboard and its components, and Table 2–2describes these components.

Figure 2–1 AlphaPC 164SX Switch/Connector/Component Location

U56

XU59

U55

SW1

Q7

Q8


	Q4				Q5			U51
	Q4						XB1

	J23
	J22
J20	U53	U54	J21
			U52
	J19		U50
			U49
	J18		X3
			X3

X2

X1

J16

U45

U46

U48

J17

U47

J15

J14

21164PC

U31

U20		U21				U22


U10						U11


			U2

U36 U37U38

U32

J5

J6

U28

U27

U25

U23

U24

U17

U18

U12

U13

U7

U5

U3

U4

U1

U44

U40

U41

U42

U43

U39

U35

U34

21174

U33

							U30
				U29			U30
J7	J8	J9	J10


				U26


				U19


									U15
							U14		U15


				U8			U9
				U8

J11

U16

U6

J13

J4

J3

J1

J2

2–2Features

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Contents Digital Unix October Contents Memory and Microprocessor Configuration TroubleshootingInterrupts and ISA Bus Addresses Alpha SRM Console FirmwarePage Figures Tables Page About This Manual Manual Conventions and TerminologyManual Conventions and Terminology Terms The following terms are used in this manualFeatures AlphaPC 164SX FeaturesAlphaPC 164SX Switch/Connector/Component Location AlphaPC 164SX Switch/Connector/Component List XB1Power Requirements Power RequirementsPower Supply DC Current Requirements Environmental RequirementsPhysical Parameters Physical ParametersAlphaPC 164SX Motherboard Environmental Requirements Physical Parameters ATX Hole Specification 2shows the ATX hole specification for the AlphaPC 164SX3shows the ATX I/O shield dimensions for the AlphaPC 164SX Physical Parameters ATX I/O Shield RequirementsPage AlphaPC 164SX Switch Configuration Fail-Safe Booter CF7Mini-Debugger CF3 CPU Speed Selection CF64Fail-Safe Booter CF7 AlphaPC 164SX Configuration SwitchesAlphaPC 164SX Connector Pinouts PCI Bus Connector Pinouts1shows the PCI bus connector pinouts PCI Bus Connector PinoutsPCI Bus Connector Pinouts REQ#ISA Expansion Bus Connector Pinouts ISA Expansion Bus Connector Pinouts2shows the ISA expansion bus connector pinouts ISA Expansion Bus Connector Pinouts J22, J23Sdram Dimm Connector Pinouts Sdram Dimm Connector Pinouts3shows the Sdram Dimm connector pinouts Sdram Dimm Connector Pinouts J7 through J10Eide Drive Bus Connector Pinouts Eide Drive Bus Connector Pinouts4shows the Eide drive bus connector pinouts Eide Drive Bus Connector Pinouts J5, J6Diskette Floppy Drive Bus Connector Pinouts Parallel Bus Connector PinoutsDiskette Floppy Drive Bus Connector Pinouts 5shows the diskette floppy drive bus connector pinoutsCOM1/COM2 Serial Line Connector Pinouts Keyboard/Mouse Connector PinoutsCOM1/COM2 Serial Line Connector Pinouts 7shows the COM1/COM2 serial line connector pinoutsSrom Test Data Input Connector Pinouts Input Power Connector PinoutsEnclosure Fan Power Connector Pinouts Srom Test Data Input Connector PinoutsMicroprocessor Fan Power Connector Pinouts Soft Power Connector PinoutsMultipurpose Connector Pinouts Microprocessor Fan Power Connector PinoutsMultipurpose Connector Pinouts J20Memory and Microprocessor Configuration Configuring Sdram MemoryAlphaPC 164SX Sdram Memory Configurations Upgrading Sdram MemoryUpgrading Sdram Memory Increasing Microprocessor Speed Increasing Microprocessor SpeedPreparatory Information Required ToolsInstalling the 21164PC Microprocessor Fan/Heat-Sink Assembly 6Memory and Microprocessor Configuration Interrupts and ISA Bus Addresses Interrupts1lists each AlphaPC 164SX ISA interrupt and its source ISA InterruptsISA I/O Address Map ISA I/O Address Map2lists the AlphaPC 164SX ISA I/O space address mapping ISA I/O Address MapAlpha SRM Console Firmware Alpha SRM Console Firmware ConventionsFollowing conventions are used in this section Alpha SRM Console Firmware Conventions Basic Alpha SRM Console Command Descriptions Basic Alpha SRM Console Command DescriptionsArc NoneBoot 6Alpha SRM Console Firmware Boots the system from the default boot device Deposit Writes data to the specified addressData to be deposited Clears the first 512 bytes of physical Displays the contents of the specified address Examine12Alpha SRM Console Firmware Examines Fwupdate Set Sets or modifies the value of an environment variableEnvironment variable to be assigned a new value 16Alpha SRM Console Firmware Show Environment Variables for Alpha SRM Console Commands Environment Variables for Alpha SRM Console CommandsEnvironment Variable Descriptions Architecture-Required Environment Variables System-Defined Environment Variables OffSet language Init AlphaBIOS Conventions AlphaBIOS KeysPress F2 to start the AlphaBIOS setup program Windows NT WorkstationAlphaBIOS Setup Screen Press Enter to continue the installation AlphaBIOS Upgrade Options ScreenAlphaBIOS Warning Screen Press F10 to continue the installation AlphaBIOS Upgrade SRM Console Screen6shows an example of the AlphaBIOS Upgrade Complete screen AlphaBIOS Upgrade Complete ScreenInstalling the Digital Unix Operating System Installing the Digital Unix Operating SystemRequirements Page Troubleshooting Troubleshooting Steps No VideoHardware Startup Beep Codes Post CodesBeep Codes Beep CodesPost Codes Fail-Safe Booter Fail-Safe BooterProceed to .4 and follow the procedures Battery Recycle/Disposal Information Battery Recycle/Disposal InformationPage Support, Products, and Documentation Customer SupportNews Press releases DescriptionPower Supply Supporting ProductsSupporting Products MemoryAssociated Documentation Associated DocumentationEnclosure Northwestern El Paso, TX Phone4Support, Products, and Documentation