Compaq 164SX user manual Physical Parameters ATX Hole Specification

Page 16

Physical Parameters

2.3.1 ATX Hole Specification

Figure 2–2shows the ATX hole specification for the AlphaPC 164SX.

Figure 2–2 ATX Hole Specification
.800
TYP Between
Connectors	4.900
.650	4.900
.500	1.612
.400
.600
.625	PCI Connector
	(4 Places)
8.950
6.100
9.600
ISA Connector
(2 Places)

11.100

12.000

1.300

FM-06122.AI4

2–6Features

Image 16

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 MemoryUpgrading Sdram Memory AlphaPC 164SX Sdram Memory ConfigurationsUpgrading 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 Conventions Alpha SRM Console FirmwareFollowing 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 Sets or modifies the value of an environment variable SetEnvironment 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 Steps No Video TroubleshootingHardware 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