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Silicon Graphics Zx10 User Manual

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Silicon Graphics
®
Zx10
System Board Guide
Document Number 007-4330-001

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  • Page 1 Silicon Graphics ® Zx10 System Board Guide Document Number 007-4330-001...
  • Page 2 Information in this document is subject to change without notice and should not be considered a commitment by Silicon Graphics, Inc. Silicon Graphics, Inc. shall not be liable for technical or editorial errors in, or omissions from, this document. Silicon Graphics, Inc. shall not be liable for incidental or consequential damages resulting from the furnishing or use of this document.
  • Page 3 To reduce the risk of electrical shock and energy hazards, do not attempt to open the equipment unless instructed, and do not use a tool for purposes other than instructed. Internal components may be at high temperatures. Allow time for them to cool before handling them. Internal components can be damaged by static electricity.
  • Page 5 Record of Revision Version Description September 2000 Initial Rev 007-4330-002...

  • Page 7: Table Of Contents

    Contents Figures . . ix Tables . . xi About This Guide. . xiii Getting Documents . xiii Reader Comments . . xiii Overview . Features and Components Block Diagram . Components Processors . Memory Modules . . 10 Expansion Sockets . .
  • Page 8 Contents Integrated Controllers . . 35 SCSI Controller . 35 Network Controller . 36 Audio Controller . . 36 Hardware Monitoring and Power Management . 37 CMOS/Clock Lithium Battery . 39 BIOS Setup . . 43 BIOS Overview . . 43 Using BIOS Setup .

  • Page 9: Figures

    Figures 133MHz FSB Block Diagram . Figure 1-1 Major Components of the System Board. Figure 1-2 Installed Processor . Figure 2-1 Processor Attachment . Figure 2-2 Processor Bus Terminator Card . . 10 Figure 2-3 Memory ModuleSockets and Banks . .

  • Page 11: Tables

    Tables Main Features and Components . Table 1-1 Memory Configurations . . 13 Table 2-1 ATAPI Connectors . . 20 Table 2-2 Jumper Connectors . . 22 Table 2-3 Keyboard/Mouse Ports . 26 Table 2-4 Parallel Port . . 27 Table 2-5 Serial Port .

  • Page 13: About This Guide

    About This Guide This System Board Guide provides detailed information on the Silicon Graphics Zx10 system board. The document is organized as follows: • Chapter 1, “Overview” introduces the system board, its features, and its major components. • Chapter 2, “Components” locates and describes the major components on the system board.
  • Page 14 About This Guide • Use the Feedback option on the Technical Publications Library pages on the World Wide Web at http://techpubs.sgi.com. • Contact your customer service representative and ask that an incident be filed in the SGI incident tracking system. •...

  • Page 15: Overview

    Chapter 1 Overview This chapter describes the system board, its features, and its major components. Features and Components Main Features and Components Table 1-1 Main Features Components Processors Dual Intel SC242 (Slot 1) support Intel Pentium III processors Two integrated voltage regulators 133 MHz 64-bit front-side bus (FSB) System Chipset ServerWorks ServerSet III WS...
  • Page 16 1: Overview Table 1-1 (continued) Main Features and Components Main Features Components Memory PC133 Synchronous Dynamic Random Access Memory (SDRAM) Six 168-pin registered dual-inline memory module (DIMM) sockets Supports 72-bit Error Correction Code (ECC) memory modules Four banks, two DIMMs per bank, two-way interleaved 133 MHz 128-bit memory bus SCSI Controller LSI 53C1010...
  • Page 17 Features and Components Table 1-1 (continued) Main Features and Components Main Features Components One PS/2 keyboard port (6-pin mini-DIN) One parallel (LPT) port (25-pin D-sub) Two serial (COM) ports (9-pin D-sub) Two USB ports (self-identifying, hot-pluggable, 12 MB/sec) One SCSI port (68-pin HD) – Ultra 3 One Ethernet port (8-pin RJ-45) One each microphone in, line in, and line out audio ports (PC standard 1/8-inch phone jacks)

  • Page 18: Block Diagram

    1: Overview Table 1-1 (continued) Main Features and Components Main Features Components Fan headers with monitoring and control functions Chassis intrusion alert header Temperature and voltage monitoring Wake-on-Modem header Wake-on-LAN header Regulatory FCC Class B (Declaration of Conformity) Compliance European Community CE (Declaration of Conformity) Underwriter’s Laboratories Block Diagram Figure 1-1 on the following page shows the major system board components and...

  • Page 19: Figure 1-1 133Mhz Fsb Block Diagram

    Block Diagram Figure 1-1 133MHz FSB Block Diagram 007-4330-002...

  • Page 20: Figure 1-2 Major Components Of The System Board

    1: Overview Figure 1-2 calls out the system board’s major components. More detailed information on system board components is found in Chapter 2, “Components”. Processor Processor socket socket Power and data Memory module connectors sockets I/O ports Expansion sockets CMOS/Clock battery Figure 1-2 Major Components of the System Board...

  • Page 21: Components

    Chapter 2 Components This chapter locates and describes major components on the system board. The chapter also provides information on the integrated controllers and hardware monitoring. Warning: Before touching the system board or its components, disconnect the system’s power cord from its AC power outlet. Warning: System board components may be at high temperatures.

  • Page 22: Figure 2-1 Installed Processor

    2: Components Primary processor socket Secondary processor socket Figure 2-1 Installed Processor Each processor socket accepts an Intel Pentium III processor (133 MHz front-side bus). The processor is secured to its socket by retention clips on both sides. The retention clips are secured by nuts to screws attached to the system board.

  • Page 23: Figure 2-2 Processor Attachment

    Processors Processor retention clip (one each side) Processor Figure 2-2 Processor Attachment The system can function with one or two processors installed. For a single-processor system, a processor bus terminator card must be installed in the unused processor socket. For a dual-processor system, both processors must be the same speed. 007-4330-002...

  • Page 24: Memory Modules

    2: Components Processor bus terminator card Figure 2-3 Processor Bus Terminator Card Memory Modules The system board includes sockets for up to six PC133 dual inline memory modules (DIMMs). The memory speed matches the system board’s front-side bus speed. Memory module sockets are organized into four banks (Bank 0 through Bank 3) of two sockets each that use two-way memory interleaving.

  • Page 25: Figure 2-4 Memory Modulesockets And Banks

    Memory Modules Bank 1 Bank 0 Bank 2 Bank 3 Bank 3 Bank 2 Bank 1 Bank 0 Figure 2-4 Memory ModuleSockets and Banks 007-4330-002...

  • Page 26: Figure 2-5 Dual Inline Memory Module (Dimm) Insertion

    2: Components Each socket accepts a 168-pin registered Synchronous Dynamic RAM (SDRAM) DIMM. Each DIMM has a 128-bit memory width and 16-bit error correcting code (ECC) protection. Each socket is keyed for proper DIMM insertion. Release tabs on each end of the socket capture the DIMM and secure it in the socket.

  • Page 27: Table 2-1 Memory Configurations

    Memory Modules • Do not bend, twist, drop, or otherwise handle the DIMM carelessly. • Do not expose the DIMM to moisture or extreme temperatures. When adding or replacing system memory on all system boards: • Install DIMMs first in Bank 3, then in Bank 2, and finally in Bank 0. •...

  • Page 28: Expansion Sockets

    2: Components Table 2-1 (continued) Memory Configurations Memory Bank 3 Bank 2 Bank 0 2 x 512 MB 2 x 1,024 MB 4,096 MB 2 x 512 MB 2 x 512 MB 2 x 1,024 MB 2 x 1,024 MB 2 x 1,024 MB 5,120 MB 2 x 1,024 MB...

  • Page 29: Power And Data Connectors

    Power and Data Connectors Socket 1 Socket 2 PCI (wide) Socket 3 PCI (wide) Socket 4 PCI (wide) Socket 5 PCI (fast/wide) Socket 6 PCI (fast/wide) Socket 7 PCI (wide) Socket 7 Figure 2-7 Expansion Sockets Power and Data Connectors The system board contains two 20-pin ATX power connectors.

  • Page 30: Figure 2-8 Power And Data Connectors

    2: Components The system board contains five data connectors, immediately below the power connectors. These connectors accept data cables from the system’s peripheral devices. The connectors are keyed for proper connection. Warning: For continued protection against fire and energy hazards, do not connect an external SCSI port to SCSI Channel B.

  • Page 31: Fan Connectors

    Fan Connectors Fan Connectors The system’s rear fan connects to one of the 3-pin CPU FAN connectors (shown in the following figure). The connectors are keyed for proper connection. The rear fan in a tower chassis connects to the FAN4 connector to the left of and between the processor sockets.

  • Page 32: Figure 2-10 Fan3 Connector

    2: Components FAN3 Connector Figure 2-10 Fan3 Connector Fans in the front of the chassis connect to one of the 3-pin FAN1 or FAN2 connectors in the lower-right corner of the system board. 007-4330-002...

  • Page 33: Figure 2-11 Fan1 And Fan Connectors

    Fan Connectors FAN1 Connector FAN2 Connector Figure 2-11 Fan1 and Fan Connectors 007-4330-002...

  • Page 34: Atapi Connectors

    2: Components ATAPI Connectors The system board has four 4-pin Advanced Technology Attachment Packet Interface (ATAPI) connectors. The connectors are keyed for proper connection. Table 2-2 ATAPI Connectors ATAPI Connector Function CD IN Connects to the audio cable from the system’s CD-ROM drive. Pin 1=CD In Left, Pins 2 and 3=Ground, Pin 4=CD In Right VIDEO IN Connects to the audio cable from an internal device such as a TV tuner expansion...

  • Page 35: Figure 2-12 (Atapi) Connectors

    ATAPI Connectors CD IN Connector VIDEO IN Connector MONO IN Connector MPEG IN Connector Figure 2-12 (ATAPI) Connectors 007-4330-002...

  • Page 36: Jumper Connectors

    2: Components Jumper Connectors Jumper connectors on the system board connect to system components or provide essential system functions. Table 2-3 Jumper Connectors Jumper Connector Function Connects to chassis intruder alert switch. Connects to power switch, power LED, and disk drive LED. Cable connects to top eight pins.

  • Page 37: Figure 2-13 Jumper Connectors

    Jumper Connectors J24 power switch/LEDS J22 chassis intruder alert switch J29 CMOS reset Figure 2-13 Jumper Connectors 007-4330-002...

  • Page 38: Figure 2-14 Jp3 Spread Spectrum Control

    2: Components Spread spectrum control Figure 2-14 JP3 Spread Spectrum Control 007-4330-002...

  • Page 39: I/O Port Connectors

    I/O Port Connectors I/O Port Connectors The input/output (I/O) port connectors are stacked on the system board adjacent to the processor sockets. Parallel (LPT) MIDI/game Ethernet Mouse Keyboard Serial (COM1) Serial (COM2) Audio line out Audio line in Microphone Input/Output (I/O) Port Connectors Figure 2-15 Keyboard, Mouse Keyboard and mouse ports are PS/2-style 6-pin male min-DIN connectors.

  • Page 40: Figure 2-16 Keyboard Or Mouse Ports

    2: Components Figure 2-16 Keyboard or Mouse Ports Table 2-4 Keyboard/Mouse Ports Signal KDATA (keyboard) MDATA (mouse) Spare Ground KCLK Spare 007-4330-002...

  • Page 41: Parallel

    I/O Port Connectors Parallel The parallel port is a 25-pin female D-sub connector. The port color is burgundy. Figure 2-17 Parallel Port Table 2-5 Parallel Port Signal Signal Strobe Acknowledge (-ACK) Data 0 Busy Data 1 Paper Empty (PE) Data 2 +Select Data 3 Auto Feed (-Auto FDXT)

  • Page 42: Serial

    2: Components Serial Serial (COM) ports are 9-pin male D-sub connectors. The port color is teal. Figure 2-18 Serial Port Table 2-6 Serial Port Signal Signal Data Carrier Detect (DCD) Data Set Ready (DSR) Receive Data (RD) Request to Send (RTS) Transmit Data (TD) Clear to Send (CTS) Data Terminal Ready (DTR)

  • Page 43: Universal Serial Bus

    I/O Port Connectors Universal Serial Bus Universal Serial Bus (USB) ports are 8-pin female USB connectors. Figure 2-19 Universal Serial Bus (USB) Port Universal Serial Bus (USB) Port Table 2-7 Signal Signal Power Power Ground Ground 007-4330-002...

  • Page 44: Ethernet Network

    2: Components Ethernet Network The Ethernet Network port is an 8-pin RJ45 connector. Figure 2-20 Ethenet Network Port Table 2-8 Ethernet Network Port Signal Signal Transmit (TD+) Reserved Transmit (TD-) Receive (RD-) Receive (RD+) Reserved Reserved Reserved 007-4330-002...

  • Page 45: External Wide Ultra2 Scsi (Lvds)

    I/O Port Connectors External Wide Ultra2 SCSI (LVDS) The external Wide Ultra2 SCSI (LVDS) port is a 68-pin female SCSI connector. Pins not listed are connected to ground. Figure 2-21 External Wide Ultra2 SCSI (LVDS) Port Table 2-9 External Wide Ultra2 SCSI (LVDS) Port Signal Signal TERMPWR...
  • Page 46 2: Components Table 2-9 (continued) External Wide Ultra2 SCSI (LVDS) Port SD-(0) SACK- SD-(1) SRSI- SD-(2) SMSG- SD-(3) SSEL- SD-(4) SCD- SD-(5) SREQ- SD-(6) SIO- SD-(7) SD-(8) SDP0- SD-(9) Ground SD-(10) TERMPWR SD-(11) 007-4330-002...

  • Page 47: Audio Line Out, Line In, Microphone

    I/O Port Connectors Audio Line Out, Line In, Microphone The Audio Line Out, Line In, and Microphone ports are PC-standard 1/8-inch female phone jacks. The Audio Line Out port color is lime; the Audio Line In port color is light blue;...

  • Page 48: Midi/Game

    2: Components MIDI/Game The MIDI/Game port is a 15-pin female D-sub connector. The port color is gold. Figure 2-23 MIDI/Game Port Table 2-11 MIDI/Game Port Signal Signal =5 V =5 V Fire button 0 Fire button 2 X-axis, joystick 1 X-axis, joystick 2 Ground MIDI out...

  • Page 49: Integrated Controllers

    Integrated Controllers Integrated Controllers The system board has three integrated controllers. Each controller can be disabled if needed using the BIOS Setup program. For more information, see Chapter 3, “BIOS Setup”. SCSI Controller The system board includes an integrated LSI 53C1010 SCSI controller. The controller provides the system with a dual-channel Ultra3 SCSI bus.

  • Page 50: Network Controller

    Interface (ACPI), Wake-on-LAN, System Management Bus, and Wired for Management compliance. Note: The Zx10 system board supports Wake-On-LAN through a PCI 2.2-compliant power-management event (PME) on the PCI bus. The system board does not support expansion cards that require a Wake-On-LAN header for wake events.

  • Page 51: Hardware Monitoring And Power Management

    Hardware Monitoring and Power Management • 8-bit and 16-bit, mono and stereo recording and playback • Sampling rates up to 48 kHz • 16 MIDI channels • Full-duplex operation • Line in, line out, and microphone in jacks • MIDI/game port •...

  • Page 52: Table 2-12 Base Unit Power Led

    2: Components Table 2-12 Base Unit Power LED Power State Explanation Unlit Auxiliary power is off (fans are not running) or there is a system failure (fans are running) Amber Auxiliary Auxiliary power is on; power consumption is reduced Blinking Managed The system is in an ACPI-compliant power conservation state managed by the operating system;...

  • Page 53: Cmos/Clock Lithium Battery

    CMOS/Clock Lithium Battery Power/Status LED System Board Power/Status LED Figure 2-24 CMOS/Clock Lithium Battery The CMOS/clock lithium battery is located at the bottom of the system board, next to the lowest expansion sockets. The battery may be hidden under installed expansion cards. 007-4330-002...

  • Page 54: Figure 2-25 Cmos/Clock Lithium Battery

    2: Components Battery Figure 2-25 CMOS/Clock Lithium Battery Battery replacement is not normally required. The battery has a life expectancy of 10 years with no line power applied to the system. When line power is present, there is no drain on the battery. If you must remove the battery, the system loses its operating parameters stored in CMOS memory.
  • Page 55 CMOS/Clock Lithium Battery facing up). Replace the battery only with the same or equivalent type as recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. 007-4330-002...

  • Page 57: Bios Setup

    Chapter 3 BIOS Setup This chapter describes the BIOS Setup program and BIOS parameter settings. It also describes how to use CMOS reset and how to update the system BIOS. BIOS Overview The system’s basic input/output system (BIOS) records basic system operating parameters, such as the amount of memory, the boot sequence, and the type of video display.

  • Page 58: Bios Setup Screens

    3: BIOS Setup • Press enter to enter a submenu or execute a command. • Press + or – to change the value of a selected parameter. • Press f9 to change all parameters to their default values (as shipped from the factory).

  • Page 59: Main Screen

    Main Screen Main Screen The Main screen gives you access to the other BIOS Setup screens and to basic parameters. Table 3-1 Main Screen Parameters Parameter Description BIOS Version Displays the BIOS version. System Time Sets the system time. System Date Sets the system date.

  • Page 60: Advanced Screen

    3: BIOS Setup Advanced Screen The Advanced screen lets you configure system devices.. Table 3-2 Advanced Screen Parameters Parameter Description Processor Serial Number Controls detection of the processor serial number. By default, this parameter is Enabled. Installed O/S Sets the operating system most commonly used on the system. By default, this parameter is Other.

  • Page 61: Table 3-3 Security Screen Parameters

    Security Screen Note: When you enter a password, it is saved immediately. All other changes may still be discarded (see “Exit Screen” on page 49 in this chapter). Warning: If you forget the supervisor password, it cannot be disabled without clearing CMOS memory.

  • Page 62: Misc. Screen

    3: BIOS Setup Misc. Screen The Misc. screen lets you configure miscellaneous system functions. Table 3-4 Misc. Screen Parameters Parameter Description Floppy Check Controls whether the floppy disk drive type is verified during system boot. By default, this parameter is Disabled. Summary Screen Controls whether the system configuration is displayed during system boot.

  • Page 63: Exit Screen

    Exit Screen • Press – to move a device down in boot order. You can select to boot from removable devices, a specific hard disk drive, the CD-ROM drive, or a disk drive on the network. Exit Screen The Exit screen lets you control the changes made to the BIOS and exit from BIOS Setup. Table 3-5 Exit Screen Parameters Parameter...

  • Page 64: Updating The System Bios

    3: BIOS Setup 5. Go to the Exit screen and select Save Changes. Do not select Exit Saving Changes or press f10. 6. Turn off system power (while still in BIOS Setup) and disconnect the system from AC power. 7. Remove the jumper from the CMOS reset connector (J29) on the system board. 8.

  • Page 65: Resources

    Chapter 4 Resources This chapter lists and describes system board resources. ISA Interrupt Requests (IRQs) Most Industry Standard Architecture (ISA) peripheral devices installed in the system require you to reserve an interrupt request (IRQ). Peripheral Component Interconnect (PCI) peripheral devices share system resources and can use the same IRQ. (See “PCI-to-ISA Interrupt Map”...

  • Page 66: Pci-To-Isa Interrupt Map

    4: Resources Start or restart the system and run the BIOS Setup program. 2. Go to the Advanced Screen and select the PCI Configuration parameter. 3. Select and reserve the appropriate IRQ. 4. Save the changes and exit from BIOS Setup. The system has a limited number of available IRQs.

  • Page 67: Direct Memory Access (Dma) Channels

    Direct Memory Access (DMA) Channels Table 4-2 (continued) PCI-to-ISA Interrupt Map Device PCI Bus/Device CF8h Value INTA INTB INTC INTD PCI socket 4 Bus 2, Dev 1 800208xx PIRQ08 PIRQ09 PIRQ10 PIRQ11 PCI socket 5 Bus 2, Dev 2 800210xx PIRQ10 PIRQ11 PIRQ08...
  • Page 68 4: Resources Table 4-4 (continued) I/O Map I/O Address (hex) Assignment 0064 Keyboard controller 0070 (bit 7) Enable NMI 0070 (bits 0 – 6) RTC address (maximum 128 bytes) 0072 – 0073 RTC CMOS bank 2 index/data 0080 – 008F DMA page registers 0092 A20 control register...
  • Page 69 Input/Output (I/O) Map Table 4-4 (continued) I/O Map I/O Address (hex) Assignment 03B4 – 03B5 Add-in card; VGA 03BA Add-in card; VGA 03BC – 03BF Parallel port LPT 3 03C0 – 03CA Add-in card; VGA 03CC Add-in card; VGA 03CE – 03CF Add-in card;...

  • Page 70: Memory Map

    4: Resources Table 4-4 (continued) I/O Map I/O Address (hex) Assignment 0C50 – 0C52 General-purpose registers 0C6C – 0C6F ISA control registers 0CD6 – 0CD7 Power management registers 0CF8 – 0CFB PCI configuration address registers (DW access) 0CFC – 0CFF PCI configuration data registers 0F50 –...

  • Page 71: Messages

    Chapter 5 Messages This chapter describes POST tasks and beep codes, and system board error messages. POST Tasks and Beep Codes When you turn on power to or restart the system, the system’s basic input/output system (BIOS) runs a number of tasks. These power-on self test (POST) tasks test and initialize the system hardware and then boot the operating system from the system’s primary hard disk drive.
  • Page 72 5: Messages Table 5-1 (continued) Test Point Codes Code Beeps POST Routine Description Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache Initialize caches to initial POST values Initialize I/ O component Initialize the local bus IDE Initialize Power Management Load alternate registers with initial POST values...
  • Page 73 POST Tasks and Beep Codes Table 5-1 (continued) Test Point Codes Code Beeps POST Routine Description Clear 512 KB base RAM 1- 3- 4- 1 or RAM failure on address line xxxx * 1- 1- 1- 1 1- 3- 4- 3 RAM failure on data bits xxxx * of low byte of memory bus Enable cache before system BIOS shadow 1- 4- 1- 1...
  • Page 74 5: Messages Table 5-1 (continued) Test Point Codes Code Beeps POST Routine Description Test keyboard Set key click if enabled 2- 2- 3- 1 Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines...
  • Page 75 POST Tasks and Beep Codes Table 5-1 (continued) Test Point Codes Code Beeps POST Routine Description Late POST device initialization Detect and install external RS232 ports Configure non-MCD IDE controllers Detect and install external parallel ports Initialize PC-compatible PnP ISA devices Re-initialize onboard I/ O ports.
  • Page 76 5: Messages Table 5-1 (continued) Test Point Codes Code Beeps POST Routine Description Initialize security engine (optional) Enable hardware interrupts Determine number of ATA and SCSI drives Set time of day Check key lock Initialize Typematic rate Erase F2 prompt Scan for F2 key stroke Enter SETUP Clear Boot flag...

  • Page 77: Error Messages

    Error Messages Table 5-1 (continued) Test Point Codes Code Beeps POST Routine Description Initialize error logging Initialize error display function Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt If the BIOS detects error 2C, 2E, or 30 (base 512 KB RAM error), it displays an additional word-bitmap (xxxx) indicating the address line or bits that failed.
  • Page 78 5: Messages Table 5-2 (continued) Error Messages Message Description 02FC: Memory does not have registered Memory in bank n is the wrong type inputs in bank n 02FD: Memory is not supported in bank Memory in bank n does not meet minimum requirements 02FE: Memory types do not match in Two different type memory modules in bank n...

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