Compaq Computer CorporationAlphaPC 164LX Motherboard Tru64 UNIXUser’s ManualOrder Number: EC–R2ZPC–TERevision/Update Information:This is a revise
1–2 About This ManualManual Conventions and TerminologyItalic Type: Italic type emphasizes important information and indicates complete titles of docu
Features 2–1 2FeaturesTable 2–1 provides an overview of the AlphaPC 164LX motherboard’s features.Table 2–1 AlphaPC 164LX Features Feature DescriptionM
2–2 FeaturesFigure 2–1 shows the AlphaPC 164LX motherboard and its components and Table 2–2 describes these components. Figure 2–1 AlphaPC 164LX Jumpe
Features 2–3Table 2–2 AlphaPC 164LX Jumper/Connector/Component ListItem No. Description Item No. DescriptionB1 RTC battery (CR2032) J25 Hard-drive LED
2–4 FeaturesPower Requirements2.1 Power RequirementsThe AlphaPC 164LX motherboard has a total power dissipation of 100 W, excluding any plug-in PCI an
Features 2–5Physical ParametersThe AlphaPC 164LX motherboard is specified to run within the environment listed in Table 2–4.2.3 Physical ParametersThe
2–6 FeaturesPhysical Parameters2.3.1 ATX Hole SpecificationFigure 2–2 shows the ATX Hole Specification for the AlphaPC 164LX. Measurements are shown i
Features 2–7Physical Parameters2.3.2 ATX I/O Shield RequirementsFigure 2–3 shows the ATX I/O shield dimensions for the AlphaPC 164LX. Measure-ments ar
AlphaPC 164LX Jumper Configuration 3–1 3AlphaPC 164LX Jumper ConfigurationThe AlphaPC 164LX motherboard has two groups of jumpers located at J27 and J
March 1999The information in this publication is subject to change without notice.COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDI
3–2 AlphaPC 164LX Jumper ConfigurationBcache Size Jumpers (CF1 and CF2)Figure 3–1 AlphaPC 164LX Configuration Jumpers135791113151719212325IRQ3IRQ2IRQ1
AlphaPC 164LX Jumper Configuration 3–3Boot Option Jumper (CF7)3.3 Boot Option Jumper (CF7)The boot option jumper is located at J27–23/24 (CF7). The de
AlphaPC 164LX Connector Pinouts 4–1 4AlphaPC 164LX Connector PinoutsThis chapter contains pinouts for all of the AlphaPC 164LX connectors. See Figure
4–2 AlphaPC 164LX Connector PinoutsPCI Bus Connector PinoutsB11 PRSNT2# B12 Gnd B13 Gnd B14 —B15 Gnd B16 CLK B17 Gnd B18 REQ#B19 Vdd B20 AD[31] B21 AD
AlphaPC 164LX Connector Pinouts 4–3ISA Expansion Bus Connector Pinouts4.2 ISA Expansion Bus Connector PinoutsTable 4–2 shows the ISA expansion bus con
4–4 AlphaPC 164LX Connector PinoutsSDRAM DIMM Connector Pinouts4.3 SDRAM DIMM Connector PinoutsTable 4–3 shows the SDRAM DIMM connector pinouts.Table
AlphaPC 164LX Connector Pinouts 4–5EIDE Drive Bus Connector Pinouts4.4 EIDE Drive Bus Connector PinoutsTable 4–4 shows the EIDE drive bus connector pi
4–6 AlphaPC 164LX Connector PinoutsDiskette (Floppy) Drive Bus Connector Pinouts4.5 Diskette (Floppy) Drive Bus Connector PinoutsTable 4–5 shows the d
AlphaPC 164LX Connector Pinouts 4–7COM1/COM2 Serial Line Connector Pinouts4.7 COM1/COM2 Serial Line Connector PinoutsTable 4–7 shows the COM1/COM2 ser
iii Contents1 About This Manual1.1 Manual Conventions and Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Features
4–8 AlphaPC 164LX Connector PinoutsSROM Test Data Input Connector Pinouts4.9 SROM Test Data Input Connector PinoutsTable 4–9 shows the SROM test data
AlphaPC 164LX Connector Pinouts 4–9Speaker Connector Pinouts4.12 Speaker Connector PinoutsTable 4–12 shows the speaker connector pinouts.4.13 Micropro
4–10 AlphaPC 164LX Connector PinoutsEIDE Drive LED Connector Pinouts4.15 EIDE Drive LED Connector PinoutsTable 4–15 shows the EIDE drive LED connector
Memory and Microprocessor Configuration 5–1 5Memory and Microprocessor ConfigurationFor higher system speed or greater throughput, you can upgrade SDR
5–2 Memory and Microprocessor ConfigurationUpgrading SDRAM Memory5.2 Upgrading SDRAM MemoryYou can upgrade memory in the AlphaPC 164LX by adding more
Memory and Microprocessor Configuration 5–3Increasing Microprocessor Speed5.3 Increasing Microprocessor SpeedThis section describes how to complete th
5–4 Memory and Microprocessor ConfigurationIncreasing Microprocessor Speed5.3.3 Removing the 21164 MicroprocessorRemove the microprocessor currently i
Memory and Microprocessor Configuration 5–5Increasing Microprocessor Speed6. Install the heat sink and heat-sink fan as directed in the following step
5–6 Memory and Microprocessor ConfigurationIncreasing Microprocessor Speed3. Place the GRAFOIL pad on the gold-plated slug surface and align it with t
Interrupts and ISA Bus Addresses 6–1 6Interrupts and ISA Bus AddressesThis section lists the system and I/O interrupt assignments. It also lists the p
iv4.11 Enclosure Fan Power Connector Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-84.12 Speaker Connector Pinouts . . . . .
6–2 Interrupts and ISA Bus AddressesISA I/O Address Map6.2 ISA I/O Address MapTable 6–2 lists the AlphaPC 164LX ISA I/O space address mapping.IRQ13 Av
Interrupts and ISA Bus Addresses 6–3ISA I/O Address Map6.2.1 Flash ROM Address MapThe address range for the flash ROM is FFF8.0000–FFFF.FFFF. Flash sp
Alpha SRM Console Firmware 7–1 7Alpha SRM Console FirmwareThe Alpha SRM Console firmware initializes the system and enables you to install and boot th
7–2 Alpha SRM Console FirmwareAlpha SRM Console Firmware ConventionsThe following table lists Alpha SRM Console special keys and their functions. Thes
Alpha SRM Console Firmware 7–3Basic Alpha SRM Console Command Descriptions7.2 Basic Alpha SRM Console Command DescriptionsThis section describes the f
7–4 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsarcLoads and runs the AlphaBIOS firmware update utility from a diskette.Synt
Alpha SRM Console Firmware 7–5Basic Alpha SRM Console Command DescriptionsbootInitializes the processor, loads a program image from the specified boot
7–6 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsDescriptionThe boot command initializes the processor, loads a program image
Alpha SRM Console Firmware 7–7Basic Alpha SRM Console Command DescriptionsExamplesboot Command Example Description>>>bootBoots the system fro
v8 Troubleshooting8.1 Hardware Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18.2 Beep C
7–8 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsdepositWrites data to the specified address.Syntaxdeposit [-{b,w,l,q,o,h}] [
Alpha SRM Console Firmware 7–9Basic Alpha SRM Console Command Descriptions<data>The data to be deposited.Options-The location immediately preced
7–10 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsDescriptionThe deposit command writes data to the specified address, such a
Alpha SRM Console Firmware 7–11Basic Alpha SRM Console Command Descriptionsexamine Displays the contents of the specified address.Syntaxexamine [-{b,w
7–12 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsDescriptionThe examine command displays the contents of the specified addre
Alpha SRM Console Firmware 7–13Basic Alpha SRM Console Command DescriptionsExamplesexamine Command Example Display Description>>>e r0 gpr: 0
7–14 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsfwupdateLoads and runs the AlphaBIOS firmware update utility from a diskett
Alpha SRM Console Firmware 7–15Basic Alpha SRM Console Command Descriptionsset Sets or modifies the value of an environment variable.Syntaxset <env
7–16 Alpha SRM Console FirmwareBasic Alpha SRM Console Command DescriptionsExamplesset Command Example Description>>>set bootdef_dev ewa0Modi
Alpha SRM Console Firmware 7–17Basic Alpha SRM Console Command DescriptionsshowDisplays the current value of the specified environment variable or inf
viFigures2–1 AlphaPC 164LX Jumper/Connector/Component Location . . . . . . . . . . . . . . . . . . 2-22–2 ATX Hole Specification . . . . . . . . . . .
7–18 Alpha SRM Console FirmwareEnvironment Variables for Alpha SRM Console CommandsExamples7.3 Environment Variables for Alpha SRM Console CommandsTh
Alpha SRM Console Firmware 7–19Environment Variables for Alpha SRM Console Commands7.3.1.1 Architecture-Required Environment VariablesThe following ta
7–20 Alpha SRM Console FirmwareEnvironment Variables for Alpha SRM Console Commands7.3.1.2 System-Defined Environment VariablesThe following table sho
Alpha SRM Console Firmware 7–21Environment Variables for Alpha SRM Console Commandslanguage nThe language environment variable assigns language n to t
7–22 Alpha SRM Console FirmwareUsing the AlphaBIOS Firmware Update Utility to Update the Flash ROM7.4 Using the AlphaBIOS Firmware Update Utility to U
Alpha SRM Console Firmware 7–23Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM7.4.2 Starting the AlphaBIOSTo start the AlphaBIOS,
7–24 Alpha SRM Console FirmwareUsing the AlphaBIOS Firmware Update Utility to Update the Flash ROM7.4.3 Installing Alpha SRM Console Using AlphaBIOS S
Alpha SRM Console Firmware 7–25Using the AlphaBIOS Firmware Update Utility to Update the Flash ROMFigure 7–3 shows an example of the AlphaBIOS Upgrade
7–26 Alpha SRM Console FirmwareUsing the AlphaBIOS Firmware Update Utility to Update the Flash ROMFigure 7–4 shows an example of the AlphaBIOS screen
Alpha SRM Console Firmware 7–27Using the AlphaBIOS Firmware Update Utility to Update the Flash ROMA screen similar to Figure 7–5 is displayed. The ver
viiTables2–1 AlphaPC 164LX Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12–2 AlphaPC 164LX Jumper/
7–28 Alpha SRM Console FirmwareUsing the AlphaBIOS Firmware Update Utility to Update the Flash ROMFigure 7–6 shows an example of the AlphaBIOS Upgrade
Alpha SRM Console Firmware 7–29Installing the Tru64 UNIX Operating System7.5 Installing the Tru64 UNIX Operating SystemNote: The DIGITAL UNIX product
Troubleshooting 8–1 8TroubleshootingThis chapter contains information about troubleshooting hardware and software during AlphaPC 164LX startup. 8.1 H
8–2 TroubleshootingBeep Codes8.2 Beep CodesThe beep codes provide error information about the AlphaPC 164LX system. Table 8–1 lists and describes the
Troubleshooting 8–3Post Codes20 ISA bus reset3F Fatal error. Second code identifies source of error:05 = No memory found06 = Checksum error detected w
8–4 TroubleshootingFail-Safe Booter8.4 Fail-Safe BooterThe fail-safe booter provides an emergency recovery mechanism when the primary firmware image c
Battery Recycle/Disposal Information 9–1 9Battery Recycle/Disposal InformationNOTICERecycle or dispose of batteries promptly in accordance with your o
Support A–1 ASupportA.1 Customer SupportThe Alpha OEM website provides the following information for customer support.URL Descriptionhttp://www.digita
A–2 SupportSupporting ProductsA.2 Supporting ProductsThis section lists sources for components and accessories that are not included with the AlphaPC
Support A–3Alpha DocumentationAntec, Inc.2859 Bayview DriveFremont, CA 94538Phone: 510–770–1200, ext. 313Contact: Han LiuPN PP–253X A.2.4 EnclosureAn
A–4 SupportThird–Party DocumentationA.4 Third–Party DocumentationYou can order the following third-party documentation directly from the vendor.Title
About This Manual 1–1 1About This ManualThis manual describes the AlphaPC 164LX motherboard, a module for computing systems based on the Alpha 21164 m
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