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Содержание AlphaPC 164SX

Страница 1: ...ation AlphaPC 164SX Motherboard Technical Reference Manual Order Number EC R57EB TE Revision Update Information This is a revised document It supersedes the AlphaPC 164SX Motherboard Technical Referen...

Страница 2: ...paq Computer Corporation All rights reserved Printed in U S A AlphaPC COMPAQ DECchip DIGITAL DIGITAL UNIX the Compaq logo and the DIGITAL logo registered in United States Patent and Trademark Office A...

Страница 3: ...eveloper s Kit SDK 1 6 1 3 Hardware Design Support 1 6 2 System Configuration and Connectors 2 1 AlphaPC 164SX Configuration Switches 2 4 2 2 CPU Speed Selection CF 6 4 2 4 2 3 Bcache Size Switches CF...

Страница 4: ...ATX I O Shield Requirements 3 4 4 Functional Description 4 1 AlphaPC 164SX Bcache Interface 4 2 4 2 21174 Core Logic Chip 4 3 4 2 1 21174 Chip Overview 4 3 4 2 2 Main Memory Interface 4 4 4 2 3 PCI D...

Страница 5: ...21164PC Microprocessor 5 4 A Support Products and Documentation A 1 Customer Support A 1 A 2 Supporting Products A 2 A 2 1 Memory A 2 A 2 2 Thermal Products A 2 A 2 3 Power Supply A 2 A 2 4 Enclosure...

Страница 6: ...15 3 1 ATX Hole Specification 3 3 3 2 ATX I O Shield Dimensions 3 4 4 1 AlphaPC 164SX L2 Bcache Array 4 2 4 2 Main Memory Interface 4 3 4 3 AlphaPC 164SX PCI Bus Devices 4 5 4 4 AlphaPC 164SX ISA Bus...

Страница 7: ...ine Connector Pinouts J3 2 12 2 9 Keyboard Mouse Connector Pinouts J4 2 12 2 10 SROM Test Data Input Connector Pinouts J21 2 13 2 11 Input Power Connector Pinouts J2 2 13 2 12 Enclosure Fan 12 V dc Po...

Страница 8: ......

Страница 9: ...chip Scope This manual describes the features configuration functional operation and inter faces of the AlphaPC 164SX motherboard This manual does not include specific bus specifications for example P...

Страница 10: ...ect PCI and Industry Standard Architecture ISA devices Chapter 5 Upgrading the AlphaPC 164SX describes how to upgrade the AlphaPC 164SX motherboard s SDRAM memory and microprocessor speed Appendix A S...

Страница 11: ...0 Similarly single bits are frequently indicated with brackets For example 27 specifies bit 27 Caution Cautions indicate potential damage to equipment software or data Data Field Size The term INTnn...

Страница 12: ...and are inclu sive For example a range of integers 0 4 includes the integers 0 1 2 3 and 4 Extents are specified by a pair of numbers in brackets separated by a colon and are inclusive Bit fields are...

Страница 13: ...rations However either privileged or unprivileged software can trigger UNPREDICTABLE results or occurrences UNPREDICTABLE results or occurrences do not disrupt the basic operation of the processor The...

Страница 14: ...m ponents For example a security hole would exist if some UNPREDICTABLE result depended on the value of a register in another process on the contents of processor temporary registers left behind by so...

Страница 15: ...provides a single board hardware and software development platform for the design integration and analysis of supporting logic and subsystems The board also provides a platform for PCI I O device har...

Страница 16: ...L2 Bcache Quick Switches Index Control 18 Bcache Tag 10 128 Data 16 Address Commands Control Flash ROM 128 Bit Data 168 Pin Unbuffered SDRAM DIMM Sockets 4 Support Synthesizer PCI to ISA Bridge EIDE...

Страница 17: ...ro vides flexible and generic functions to allow its use in a wide range of systems 1 1 2 Memory Subsystem The synchronous dynamic random access memory SDRAM is contained in two banks of dual inline m...

Страница 18: ...r chip Cypress CY82C693U NC which also provides a PCI to ISA bridge a mouse and keyboard controller and a time of year TOY clock The PCI bus has four dedicated PCI expansion slots two 64 bit and two 3...

Страница 19: ...r clocks as needed A 32 kHz crystal provides the TOY clock source Flash ROM Fail safe booter Boot code BIOS Windows NT or Alpha SRM console Altera EPM7064LC44 7 for DMA boundary issue 1 2 Software Sup...

Страница 20: ...cessor based designs The following list includes some of the components of the SDK The Alpha Motherboard Debug Monitor firmware with source code Power up initialization SROM and SROM Mini Debugger wit...

Страница 21: ...tions The AlphaPC 164SX uses switches to implement configuration parameters such as system speed and boot parameters These switches must be configured for the user s environment Onboard connectors are...

Страница 22: ...J5 J6 J7 J8 J9 J10 J11 J13 21164PC U31 J14 J16 J15 J17 J18 J19 J20 J21 SW1 J22 J23 Q5 Q4 Q7 XB1 X2 X1 X3 U47 U39 21174 U33 U30 U46 U45 U25 U27 U23 U24 U17 U18 U12 U13 U7 U5 U3 U4 U1 U28 U32 U10 U11 U2...

Страница 23: ...or U21 L2 cache tag SRAM J8 SDRAM DIMM 1 64 128 connector U33 21174 core logic chip J9 SDRAM DIMM 2 0 63 connector U19 U26 U29 Memory address control buffers J10 SDRAM DIMM 3 64 128 connector U1 U3 U4...

Страница 24: ...the frequency of the microprocessor s clock output The switch configuration is set in SW1 CF 6 4 These three switches set the speed at power up as listed in Figure 2 2 The microprocessor frequency div...

Страница 25: ...up or startup when the AlphaBIOS password is unavailable Password bypass is disabled by default with switch CF2 of SW1 in the on position see Figure 2 2 When this function is enabled it disables the A...

Страница 26: ...ws the PCI bus connector pinouts Table 2 2 PCI Bus Connector Pinouts Sheet 1 of 2 Pin Signal Pin Signal Pin Signal Pin Signal 32 Bit and 64 Bit PCI Connectors J15 J17 J18 J19 A1 TRST A2 12V A3 TMS A4...

Страница 27: ...ACK64 B61 Vdd B62 Vdd 64 Bit PCI Connectors Only J18 J19 A63 Gnd A64 C BE 7 A65 C BE 5 A66 Vdd A67 PAR64 A68 D 62 A69 Gnd A70 D 60 A71 D 58 A72 Gnd A73 D 56 A74 D 54 A75 Vdd A76 D 52 A77 D 50 A78 Gnd...

Страница 28: ...W 22 AEN 23 SMEMR 24 SA19 25 IOW 26 SA18 27 IOR 28 SA17 29 DACK3 30 SA16 31 DRQ3 32 SA15 33 DACK1 34 SA14 35 DRQ1 36 SA13 37 REFRESH 38 SA12 39 SYSCLK 40 SA11 41 IRQ7 42 SA10 43 IRQ6 44 SA9 45 IRQ5 46...

Страница 29: ...Gnd 33 A0 34 A2 35 A4 36 A6 37 A8 38 A10 39 A12 40 3V 41 3V 42 CK0 43 Gnd 44 NC 45 S2 46 DQMB2 47 DQMB3 48 NC 49 3V 50 NC 51 NC 52 CB2 53 CB3 54 Gnd 55 DQ16 56 DQ17 57 DQ18 58 DQ19 59 3V 60 DQ20 61 NC...

Страница 30: ...3 3V 144 DQ52 145 NC 146 NC 147 PD 148 Gnd 149 DQ53 150 DQ54 151 DQ55 152 Gnd 153 DQ56 154 DQ57 155 DQ58 156 DQ59 157 3V 158 DQ60 159 DQ61 160 DQ62 161 DQ63 162 Gnd 163 CK3 164 NC 165 SA0 166 SA1 167...

Страница 31: ...l Pin Signal Pin Signal Pin Signal 1 Gnd 2 DEN0 3 Gnd 4 NC 5 Gnd 6 DEN1 7 Gnd 8 INDEX 9 Gnd 10 MTR0 11 Gnd 12 DR1 13 Gnd 14 DR0 15 Gnd 16 MTR1 17 Gnd 18 DIR 19 Gnd 20 STEP 21 Gnd 22 WDATA 23 Gnd 24 WG...

Страница 32: ...ard mouse connector pinouts Table 2 8 COM1 COM2 Serial Line Connector Pinouts J3 COM1 Pin Top COM1 Signal COM2 Pin Bottom COM2 Signal 1 DCD1 1 DCD2 2 RxD1 2 RxD2 3 TxD1 3 TxD2 4 DTR1 4 DTR2 5 SG1 5 SG...

Страница 33: ...pinouts 1 This pinout is ATX compliant Table 2 10 SROM Test Data Input Connector Pinouts J21 Pin Signal Description 1 NC 2 SROM_CLK_L Clock out 3 Gnd 4 NC 5 TEST_SROM_D_L SROM serial data in 6 NC Tabl...

Страница 34: ...stem speaker LEDs for power and the EIDE drive Buttons for reset and halt Table 2 15 shows the multipurpose connector pinouts and Figure 2 3 shows the connector layout Table 2 13 Microprocessor Fan Po...

Страница 35: ...erating system 7 No connection 8 POWER_LED_L Pull up to Vdd 10 12 14 16 Gnd 9 SPKR Speaker output 15 Vdd 11 13 No connection Table 2 15 Multipurpose Connector Pinouts J20 Sheet 2 of 2 Pin Signal Descr...

Страница 36: ......

Страница 37: ...uirement for each dc supply voltage The power supply must supply a dcok signal to the system reset logic Refer to Section 4 6 for additional information Caution Fan sensor required The 21164PC micropr...

Страница 38: ...inted wiring board PWB with the following dimensions Length 30 48 cm 12 0 in 0 0005 in Width 24 38 cm 9 6 in 0 0005 in Height 6 00 cm 2 4 in The board can be used in certain desktop and deskside syste...

Страница 39: ...e Specification Figure 3 1 shows the ATX hole specification for the AlphaPC 164SX Figure 3 1 ATX Hole Specification 800 TYP Between Connectors 650 500 400 4 900 1 612 600 625 9 600 8 950 6 100 ISA Con...

Страница 40: ...3 2 ATX I O Shield Dimensions 11 15 15 47 4 35 17 95 22 95 23 96 29 10 33 10 9 25 3 58 2 45 5 00 TYP R 1 00 21 36 16 05 68 4 64 9 24 7 16 7 35 5 43 5 74 8 78 2 85 4 87 2 94 4 98 9 64 91 60 26 51 27 42...

Страница 41: ...the AlphaPC 164SX major functional components Bus timing and protocol information found in other data sheets and reference docu mentation is not duplicated See Appendix A for a list of supporting docu...

Страница 42: ...B direct mapped pipelined synchronous burst SRAM SSRAM with a 128 bit data path It is populated with a quantity of four 133 MHz 64K 32 SSRAMs for data store and one 133 MHz 32K 32 SSRAM for tag store...

Страница 43: ...application specific integrated circuit ASIC accepts addresses and com mands from the 21164PC microprocessor and drives the main memory array with the address control and clock signals It also provide...

Страница 44: ...in which a base offset is concatenated with the PCI address Scatter gather mapping which maps an 8KB PCI page to any 8KB memory page The 21174 contains an eight entry scatter gather translation looka...

Страница 45: ...nchronous operation of 33 MHz It also supports either a 32 bit or 64 bit data path with 32 bit device support in the 64 bit configuration Depending upon the configuration and operating frequencies the...

Страница 46: ...B1 A PCI interface master and slave An ISA interface master and slave PCI and ISA arbitration Refer to the Cypress document CY82C693U hyperCache Stand Alone PCI Peripheral Controller with USB Data She...

Страница 47: ...he 2 88 MB drive format and other standard diskette drives used with 5 25 inch and 3 5 inch media FDC data and control lines are brought out to a standard 34 pin connector J11 A ribbon cable interface...

Страница 48: ...ress Map Table 4 1 lists the AlphaPC 164SX ISA I O space address mapping Table 4 1 ISA I O Address Map Sheet 1 of 2 Range hex Usage 000 00F 8237 DMA 1 020 021 8259 PIC 1 040 043 8253 timer 060 061 Ubu...

Страница 49: ...e int_clk signal clocks the shift register con tents into the 21174 through the int_sr_in pin The shift register operates continu ously at a rate of the chipset clock rate The state of each interrupt...

Страница 50: ...level fixed Table 4 2 AlphaPC 164SX System Interrupts 21164PC Interrupt IPL1 Suggested Usage AlphaPC 164SX Usage cpu_irq 0 20 Corrected system error Reserved cpu_irq 1 21 PCI and ISA interrupts cpu_i...

Страница 51: ...A Interrupts Interrupt Number Interrupt Source IRQ0 Internal timer IRQ1 Keyboard IRQ2 Interrupt from controller 2 IRQ3 COM2 IRQ4 COM1 IRQ5 Available IRQ6 Diskette floppy IRQ7 Parallel port IRQ8 1 Rese...

Страница 52: ...ncies from 400 MHz to 533 MHz The clock is provided by using a synthesizer The synthesizer s output is used as the input clock for the 21164PC Clock distribution Clock distribution includes the distri...

Страница 53: ...uration switches the boot code changes the synthesizer output the 21174 drives the correct divide ratio onto the IRQ lines and resets the CPU If an invalid speed setting is selected the system default...

Страница 54: ...enses the 3 3 V rail to ensure that it is stable before 2 5 V is applied to the 21164PC In normal operation if the 3 3 V rails fall below 2 5 V the power monitor enables shdn_l which turns off the 2 5...

Страница 55: ...pplied to ISA con nectors J22 and J23 The 12 V dc and 12 V dc are supplied to ISA connectors and PCI32 connectors J15 and J17 The 12 V dc is also supplied to the CPU fan connec tor J14 and auxiliary f...

Страница 56: ...peration there is logic support for the use of a serial ROM and debug port If an SROM is populated the 21164PC loads its boot code from the SROM instead of from flash ROM This code initializes the sys...

Страница 57: ...st be fully populated Both DIMMs in the same bank must be of equal size 5 1 Configuring SDRAM Memory Although not an exhaustive list Table 5 1 lists the tested SDRAM memory configurations available As...

Страница 58: ...s Handle DIMMs only at the edges to prevent damage 2 Remove power from the system 1 64 bit wide DIMMs can also be used Table 5 1 AlphaPC 164SX SDRAM Memory Configurations Bank 01 Bank 11 Total Memory...

Страница 59: ...ng the microprocessor must wear a properly grounded antistatic wriststrap Use of antistatic mats ESD approved workstations or exercising other good ESD prac tices is recommended An Alpha 21164PC micro...

Страница 60: ...t the ZIF socket actuator handle to a full 90 angle 10 Remove the microprocessor chip by lifting it straight out of the socket 5 3 4 Installing the 21164PC Microprocessor Install the new microprocesso...

Страница 61: ...position the GRAFOIL pad 1 Perform a visual inspection of the package slug to ensure that it is free of contamination 2 Wearing clean gloves pick up the GRAFOIL pad Do not perform this with bare hand...

Страница 62: ...d tighten to the specified torque Repeat for the second nut 6 If the sink chip fan clip is used properly install it by positioning it over the assembly and hooking its ends around the ZIF socket retai...

Страница 63: ...following links Developers Area Development tools code examples driver developers information and technical white papers Motherboard Products Motherboard details and performance information Microproce...

Страница 64: ...en click on Alpha OEM Hardware Compatibility List A 2 2 Thermal Products Components included in this heat sink and fan solution are heat sink GRAFOIL pad two hex nuts heat sink clips 52 mm fan and fou...

Страница 65: ...the AlphaPC 164SX motherboard contact your sales office The following tables list some of the Alpha products available Note The following products and order numbers might have been revised For the lat...

Страница 66: ...ck about the Alpha technical documentation please send your comments to alpha techdoc compaq com 1To purchase the Alpha Architecture Reference Manual contact your sales office or call Butterworth Hein...

Страница 67: ...ure Specification Revision 1 0 PCI BIOS Specification Revision 2 1 PCI Special Interest Group U S 1 800 433 5177 International 1 503 797 4207 Fax 1 503 234 6762 CY82C693U hyperCache Stand Alone PCI Pe...

Страница 68: ......

Страница 69: ...5 14 3 MHz reference 4 7 Combination controller 1 4 4 6 4 7 Communication ports 4 7 Component list 2 3 Components and features 1 1 Connectors 2 3 pinouts 2 6 to 2 14 Conventions numbering xii Core lo...

Страница 70: ...r gather 4 4 Memory alternate mode 4 4 main 4 4 SDRAM DIMM pinouts 2 9 subsystem 1 3 Microprocessor speeds 1 1 upgrading 5 1 to 5 6 Motherboard ATX hole specification 3 3 ATX I O shield 3 4 component...

Страница 71: ...1 5 to 1 6 Serial ports 4 7 Serial ROM See SROM Shield dimensions I O 3 4 Software support 1 5 SRM Console 1 6 SROM 4 16 Support technical A 1 System components and features 1 1 software support 1 5 T...

Страница 72: ......

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