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Thunder K8QW
S4881G2NR
Revision 1.01
Copyright © TYAN Computer Corporation, 2005-2006. All rights reserved. No part of this
manual may be reproduced or translated without prior written consent from TYAN
Computer Corp.
All registered and unregistered trademarks and company names contained in this manual
are property of their respective owners including, but not limited to the following.
TYAN, Thunder K8QW are trademarks of TYAN Computer Corporation.
AMD, Opteron, and combinations thereof are trademarks of AMD Corporation.
Nvidia and nForce are trademarks of Nvidia Corporation
Phoenix BIOS is a trademark of Phoenix Technologies.
Microsoft, Windows are trademarks of Microsoft Corporation.
SuSE,is a trademark of SuSE AG.
Linux is a trademark of Linus Torvalds
IBM, PC, AT, and PS/2 are trademarks of IBM Corporation.
Winbond is a trademark of Winbond Electronics Corporation.
®
Broadcom
is a trademark of Broadcom Corporation and/or its subsidiaries
ATI and Rage XL are trademarks of ATI Corporation
Information contained in this document is furnished by TYAN Computer Corporation and
has been reviewed for accuracy and reliability prior to printing. TYAN assumes no liability
whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of
TYAN products including liability or warranties relating to fitness for a particular purpose
or merchantability. TYAN retains the right to make changes to product descriptions and/or
specifications at any time, without notice. In no event will TYAN be held liable for any
direct or indirect, incidental or consequential damage, loss of use, loss of data or other
malady resulting from errors or inaccuracies of information contained in this document.
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Table of Contents
Related Manuals for TYAN THUNDER K8QW
Summary of Contents for TYAN THUNDER K8QW
- Page 1 TYAN retains the right to make changes to product descriptions and/or specifications at any time, without notice. In no event will TYAN be held liable for any direct or indirect, incidental or consequential damage, loss of use, loss of data or other malady resulting from errors or inaccuracies of information contained in this document.
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Page 2: Table Of Contents
2.33 PCI Riser Cards Page 38 2.34 Connecting External Devices Page 39 2.35 Installing the Power Supply Page 39 2.36 Finishing Up Page 40 Chapter 3: BIOS 3.00 BIOS Setup Utility Page 41 3.10 BIOS Menu Bar Page 42 http://www.TYAN.com... - Page 3 3.7.1 Boot Device Priority Page 64 3.80 BIOS Power Menu Page 65 3.90 BIOS Exit Menu Page 67 Chapter 4: Diagnostics Page 68 Appendix I: Glossary Page 69 Appendix II: BIOS POST Code Page 74 Technical Support Page 77 http://www.TYAN.com...
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Page 4: Before You Begin
2x Ultra-DMA-100/66 IDE cable 1x Cable set: 9-pin Serial and 25-pin Parallel 1 x 1394 cable 1x Thunder K8QW user’s manual 1x Thunder K8QW Quick Reference guide 1x TYAN driver CD 1x I/O shield with 2 LAN ports 4 x CPU Mounting Kit If any of these items are missing, please contact your vendor/dealer for replacement before continuing with the installation process. -
Page 5: Chapter 1: Introduction
The Tyan Thunder K8QW features support for Quad AMD Opteron processors, dual channel GbE Network Adapters and SATA devices. The Thunder K8QW also offers the option to upgrade to eight-level processing capabilities through the use of the HT4881 and the M4881 add-on modules. - Page 6 • Intelligent Platform Management Connected to PCI-X Bridge A • Interface Header Two Front Panel LED headers • Tyan Server Management Daughter card (Optional) supports features BIOS • listed below via IPMI header Phoenix BIOS with 4Mbit LPC • QLogic...
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Page 7: Software Specifications
Microsoft Windows 2003 Server (32/64 bit) SuSE Enterprise 10.0 64-bit RHEL 3 Update 4 64-bit RHEL 4 64-bit Other distributions of Linux pending validation TYAN reserves the right to add support or discontinue support for any OS with or without notice. http://www.TYAN.com... -
Page 8: Chapter 2: Board Installation
Chapter 2: Board Installation Precaution: The Thunder K8QW supports EPS12V power supplies (24-pin/8-pin) and will not operate with any other types. DO NOT USE ATX 2.x, ATX12V or ATXGES power supplies as they will damage the board and void your warranty. -
Page 9: Board Image
This picture is representative of the latest board revision available at the time of publishing. The board you receive may or may not look exactly like the above picture. The following page includes details on the vital components of this motherboard. http://www.TYAN.com... -
Page 10: Block Diagram
2.01 – Block Diagram S4881 Thunder K8QW Block Diagram Note: The Hyper Transport speed between HT CON & CPU can reach up to 2000MT/S http://www.TYAN.com... -
Page 11: Board Parts, Jumpers And Connectors
2.02 – Board Parts, Jumpers and Connectors This diagram is representative of the latest board revision available at the time of publishing. The board you receive may not look exactly like the above diagram. http://www.TYAN.com... - Page 12 J118, J119 ID Switch & ID LED See Section 2.14, 2.15 See Section 2.16 CPU Fan Connectors See Section 2.17 System Fan Connectors See Section 2.18, 2.19 Parallel Header(LPT CONN) See Section 2.20 PWR CON See Section 2.21, 2.22 http://www.TYAN.com...
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Page 13: Front Panel Connector (J15)
With jumper cover To indicate the location of pin-1 To indicate the location of pin-1 2.03 – Front Panel Connector (J115) Function Function PWR LED+ LED+ PWR LED- LED- Reset Button - Button+ Reset PWR Button- Button + IRRX IRTX SPKR http://www.TYAN.com... -
Page 14: Clear Cmos Jumper (J20)
Pin_2 for several seconds to Clear CMOS Put jumper cap back to Pin_2 and Pin_3 (default setting) Reconnect power & power on system 2.05 – SMBus Connector (J1) Pin_1 Pin_1: Pin_3: Pin_2: Pin_4: SMBus SMBus data Clock this connector connect external SMBUS devices http://www.TYAN.com... -
Page 15: Usb 2.0 Header (J30, J31,J95)
USB DATA- USB DATA+ USB DATA+ Note: USB header is colored blue to distinguish from IEEE 1394A header which is colored black. 2.07 – Chassis intrusion (JP2) Pin-2 PIN2 Pin-1 PIN1 INTRUDUER_L For use with chassis that support this feature http://www.TYAN.com... -
Page 16: Serial Port Internal Header (J101)
2.09 – PCI-X channel A frequency configure (J11) Open Closed J11 is used to adjust PCI-X Bridge A PCI frequency. Note: Need close the jumper when you use the two slots of A bus at the same time. Open(Default):100MHz/66MHz; Closed: 66MHz http://www.TYAN.com... -
Page 17: Pci-X Speed Select Jumper (J12)
2.10 – PCI-X channel B frequency configure (J12) Open Closed J12 is used to adjust PCI-X Bridge B PCI-X frequency. Open(Default):133MHz/100MHz/66MHz; Closed: 100MHz/66MHz 2.11 – RI Header (JP1) Pin 1: 5VSB PIN-2 PIN-1 Pin 2: RI signal JP1 is Wake on Ring PIN Header http://www.TYAN.com... -
Page 18: Gigabit Lan1, Lan2 Led Header (Jp4,Jp5)
Use this 2-pin header to connect LAN LED on front panel. 2. 13– FireWire(IEEE 1394A) Pin Header (J27,J28) Signal Signal Description Description TPA+ TPA- TPB+ TPB- +12V +12V Note: IEEE 1394A header is colored black to distinguish from USB header which is colored blue. http://www.TYAN.com... -
Page 19: Id Switch (J118)
The first press of the ID Switch will turn on the LED, and the second press will turn off ID LED. http://www.TYAN.com... -
Page 20: Nmi (J22)
Pin_2: 3.3VSB Allows you to issue a non-maskable interrupt. 2.17– CPU FAN Connectors (J117, J116, J108, J109) Function Description J117 CPUFAN0 2.0 A Read J116 CPUFAN1 2.0 A Read J108 CPUFAN2 2.0 A Read J109 CPUFAN3 2.0 A Read http://www.TYAN.com... -
Page 21: Chassis 4Pin Fan Connectors (J103, J104, J105, J106, J107, J110)
SYSFAN3 Read 2.0 A J110 SYSFAN4 Read 2.0 A J106 SYSFAN5 Read 2.0 A J104 SYSFAN6 Read 2.0 A 2.19 –Chassis 3PIN FAN Connectors（J111,J112） Amp Rated Function Description (Maximum) J111 SYSFAN7 Read 1.6 A J112 SYSFAN8 Read 1.6 A http://www.TYAN.com... -
Page 22: Parallel Header (Lpt Connector)
Signal Configuration Configuration AUTFD DATA0 ERROR DATA1 INIT DATA2 SLIN DATA3 DATA4 DATA5 DATA6 DATA7 BUSY SLCT 2.21–PWR CON ( PWR3 ) ATX 12V power connector This power connector should be plugged when use 4 rank memory Signal Signal http://www.TYAN.com... -
Page 23: Pwr Connector (Pwr4)
2.22–PWR CON ( PWR4 ) Signal 1X4 - Pin 5V power connector This power connector should be plugged in when using Quad Rank memory http://www.TYAN.com... -
Page 24: Oem Reserved Connectors And Jumpers
CPUs, please insert them into socket CPU0 and CPU1. TYAN is not liable for damage as a result of operating an unsupported configuration. The diagram is provided as a visual guide to help you install socket processors and may not be an exact representation of the processors you have. -
Page 25: Heatsink Retention Frame Installation
The following diagram will illustrate how to install the most common CPU back plates: 1. Mounting screws 2. Heatsink retention frame 3. CPU socket 4. Motherboard PCB 5. Adhesive insulator material 6. Backplate assembly NOTE: Please see next section for specific instructions on how to install mounting bracket. http://www.TYAN.com... -
Page 26: Thermal Interface Material
CPU lid (applying too much will actually reduce the cooling). Always check with the manufacturer of the heatsink & processor to NOTE ensure the Thermal Interface material is compatible with the processor & meets the manufacturer’s warranty requirements http://www.TYAN.com... -
Page 27: Heatsink Installation Procedures
2. After tightening screws secure metal clip to plastic retention bracket center tab. Repeat this on the other side of heatsink. 3. After securing metal clip to plastic retention bracket center tab, push down on plastic clip to lock plastic clip to side tab. http://www.TYAN.com... - Page 28 Place metal clip over retention frame tab. Repeat this on the other side. 2. Insert screw through metal clip. BE SURE METAL CLIP IS LOCKED ONTO RETENTION FRAME TAB. 3. Tighten screw through metal clip. Repeat on other side. DO NOT OVER TIGHTEN. http://www.TYAN.com...
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Page 29: Finishing Installing The Heatsink
(which should already be attached to the heatsink) to the motherboard. The following diagram illustrates how to connect fans onto the motherboard. Once you have finished installing all the fans you can connect your drives (hard drives, CD-ROM drives, etc.) to your motherboard. http://www.TYAN.com... -
Page 30: Tips On Installing Motherboard In Chassis
If there are any studs missing, you will know right away since the motherboard will not be able to be securely installed. Thunder K8QW S4881 Mounting Hole Placement http://www.TYAN.com... - Page 31 Some chassis’ include plastic studs instead of metal. Although the plastic studs are usable, TYAN recommends using metal studs with screws that will fasten the motherboard more securely in place. Below is a chart detailing what the most common motherboard studs look like and how they should be installed.
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Page 32: Installing The Memory
The following diagram shows common types of DDR SDRAM modules: Here are a few key points to note before installing memory into your Thunder K8QW: • Always install memory beginning with CPU0_DIMM0 or CPU0_DIMM2 •... - Page 33 Bank 0, low 64, even DIMM1 Not Used Bank 0, high 64 Bank 0, high 64, even DIMM2 Bank 1 Bank 1, low 64 Bank 0, low 64, DIMM3 Not Used Bank 1, high 64 Bank 0, high 64, http://www.TYAN.com...
- Page 34 To remove the memory module, simply push the latches outwards until the memory module pops up. Then remove the module. YOU MUST ALWAYS unplug the power connector from the NOTE motherboard before performing system hardware changes. Otherwise you may damage the board and/or expansion device. http://www.TYAN.com...
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Page 35: Attaching Drive Cables
2.31 – Attaching Drive Cables Attaching the IDE drive cable is simple. These cables are “keyed” to only allow them to be connected in the correct manner. TYAN motherboards have two on-board IDE channels, each supporting two drives. The black connector designates the Primary channel, while the white connector designates the Secondary channel. - Page 36 Connections for these drives are also very simple. There is no need to set Master/Slave jumpers on SATA drives. Tyan has supplied four SATA cables and two SATA power adapter. If you are in need of other cables or power adapters please contact your place of purchase.
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Page 37: Installing Add-In Cards
X 8131 chip is only connected to the CPU1 HT bus. HT SLOT brief introduction The two HT Slots are actually two PCI-Ex16 slots with TYAN private signal definition and use Hyper Transport to connect two HT cards to the M4881 (CPU Board specially designed by TYAN). -
Page 38: Pci Riser Cards
635872-007255 006906 007095 008368 You can use J11&J12 to adjust the frequency of PCI-X Channel A and PCI-X Channel B to fit different kinds of Riser Cards supported on Thunder K8QW S4881. See section 2.09 & 2.10 for detail. http://www.TYAN.com... -
Page 39: Connecting External Devices
The following diagram will detail the ATX port stack for the following board: 2.35– Installing the Power Supply There are three power connectors on your Thunder K8QW. Tyan recommends that you have an EPS12V power supply that has one 24-pin and two 8-pin power connectors. -
Page 40: Finishing Up
In the rare circumstance that you have experienced difficulty, you can find help by asking your vendor for assistance. If they are not available for assistance, please find setup information and documentation online at our website or by calling your vendor’s support line. http://www.TYAN.com... -
Page 41: Chapter 3: Bios
Use the left/right ( ) arrow keys to make a selection To display a sub-menu (A pointer “ ” marks all sub menus) Use the arrow keys to move the cursor to the sub menu you want. Then press <Enter>. http://www.TYAN.com... -
Page 42: Bios Menu Bar
Execute command or select submenu Pressing [F1] will display a small help window that describes the appropriate keys to use and the possible selections for the highlighted item. To exit the Help window, press [ESC] or [F1] key again. http://www.TYAN.com... -
Page 43: Bios Main Menu
Feature Option Description None Determines which type of test Extended Memory Testing will be performed on extended Just Zero it memory (above 1M). Nomal System Time HH:MM:SS Set the system time. MM:DD: System Date Set the system date. YYYY http://www.TYAN.com... -
Page 44: Bios Advanced Menu
F10: Previous Values Feature Option Description Choosing “Yes” will prevents a Plug and Play Operation Secured Setup Configurations System from changing system settings. Select “Yes” if you want to clear the Extended System Reset Configuration Data Configuration Data (ESCD) area. http://www.TYAN.com... -
Page 45: Hammer Configuration Sub-Menu
You can use this screen to select options for the Hammer Configuration settings. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. PhoenixBIOS Setup Utility Hammer Configuration Sub-Menu Item Specific Help http://www.TYAN.com... - Page 46 Dram ECC Scrub CTL NOTE: BACKGROUND agent 10.49 ms works independently of CPU 20.97 ms requests and bus masters, but 42.0 ms cannot be enabled without first 84.0 ms enabling Dram ECC. Chip-Kill Disabled Enable Chip Kill ECC on http://www.TYAN.com...
- Page 47 Memory Hole Mapping Disabled memory hole. Software Enable all memory clocks Populated Populated: Only enable those clocks where Enable All Memory Clocks populated All: Enable all memory clocks, whether populated or Auto Controller Config Mode Controller Config Mode Manual http://www.TYAN.com...
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Page 48: Integrated Devices Sub-Menu
Feature Option Description Disabled USB Control USB1.1 Set USB controllers. USB1.1+USB2 Enabled Set support for USB USB BIOS Legacy Support Keyboard/Mouse. Disabled Enabled SATA0 Controller Set First Serial ATA device. Disabled SATA1 Controller Enabled Set Second Serial ATA device. http://www.TYAN.com... - Page 49 Disabled Set the SATA RAID port at Channel 0 SATA Secondary CK804. Enabled Disabled Set the SATA RAID port at Channel 1 SATA Primary CK804. Enabled Disabled Set the SATA RAID port at Channel 1 SATA Secondary CK804. Enabled http://www.TYAN.com...
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Page 50: Pci Configuration Sub-Menu
You can use this screen to select options for the PCI Device, Slot # 1 & 2 settings. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. http://www.TYAN.com... - Page 51 0080h units of PCI bus clocks. 00A0h 00C0h 00E0h LAN Control You can use this screen to enable/disable Onboard LAN and their Option ROMs . PhoenixBIOS Setup Utility LAN Control Enable LAN [Enabled] Item Specific Help http://www.TYAN.com...
- Page 52 F9: Setup Defaults ← →: Select Screen Enter: Select Esc: Exit Sub-Menu F10: Previous Values Feature Option Description Available C800-CBFF, CC00-CFFF Reserves the specified block D000-D3FF, D400-D7FF of upper memory for use by D800-D8FF, DC00-DFFF legacy ISA devices. Reserved http://www.TYAN.com...
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Page 53: Ide Configuration Sub-Menu
3.4.4 - IDE Configuration Sub-Menu You can use this screen to select options for the IDE Configuration settings. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. http://www.TYAN.com... - Page 54 Local Bus IDE adapter bus IDE adapter. Primary Secondary Primary Master/Slave Menu Item Configure the IDE channel. Secondary Master/Slave Menu Item Configure the IDE channel. Primary Master/Slave, Secondary Master/Slave The following screen shows the information of IDE device. PhoenixBIOS Setup Utility http://www.TYAN.com...
- Page 55 32 bit IDE data Enabled transfers. Standard Select the method for moving Transfer Mode data to/from the drive. Fast PIO 1 Select the Ultra DMA mode Disabled Ultra DMA Mode used for moving data to/from Enabled the drive. http://www.TYAN.com...
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Page 56: Floppy Configuration Sub-Menu
Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. PhoenixBIOS Setup Utility I/O Device Configuration Sub-Menu [Auto] Serial port A: Item Specific Help http://www.TYAN.com... -
Page 57: Hardware Monitor Sub-Menu
You can use this screen to hardware monitor infomation. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. PhoenixBIOS Setup Utility Hardware Monitor Sub-Menu http://www.TYAN.com... -
Page 58: Console Redirection Sub-Menu
<Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. PhoenixBIOS Setup Utility Console Redirection Sub-Menu [Disabled] Com Port Address Item Specific Help [19.2] Baud Rate [PC-ANSI] Console Type [CTS/RTS] Flow Control [Direct] Console connection [off] Continue C.R. after POST http://www.TYAN.com... -
Page 59: Watchdog Timer Option Sub-Menu
You can use this screen to select options for the Watchdog settings. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. PhoenixBIOS Setup Utility Watchdog Timer Option Sub-Menu http://www.TYAN.com... - Page 60 F1: Help -/+: Change Values F9: Setup Defaults ← →: Select Screen Enter: Select Esc: Exit Sub-Menu F10: Previous Values Feature Option Description disabled Enable/disable Watchdog Watchdog Timer Timer enabled Watchdog Time_Out Time_Out Minutes 1~255 configuration in Minutes(1- 255) http://www.TYAN.com...
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Page 61: Bios Memory Menu
-/+: Change Values F9: Setup Defaults ← →: Select Screen Enter: Select Esc: Exit Sub-Menu F10: Previous Values Feature Option Description Disabled Set the state of memory Memory Cache cache. Enabled Cache A000-AFFF Disabled Control caching of the memory http://www.TYAN.com... -
Page 62: Bios Security Menu
F10: Previous Values Feature Option Description Disabled Enable password entry on Password on boot boot. Enabled Write protects boot sector on Normal Fixed disk boot sector hard disk to protect against Write Protect viruses. Diskette access User Control access to diskette http://www.TYAN.com... -
Page 63: Bios Boot Menu
Allow the system to skip QuickBoot Mode certain tests while booting. Enabled Disabled Display the diagnostic screen Boot-time Diagnostic Screen during boot. Enabled Disabled Display system configuration Summary screen on boot. Enabled Enabled Display system configuration POST Errors on boot. disabled http://www.TYAN.com... -
Page 64: Boot Device Priority
← →: Select Screen Enter: Select Esc: Exit Sub-Menu F10: Previous Values The boot menu will list all bootable devices. Use <Enter> to expand or collapses devices with a ‘+’ or ‘-‘. Use <+> or <-> to arrange the priorities of all bootable devices. http://www.TYAN.com... -
Page 65: Bios Power Menu
Enable will let power button possible to shutdown the Enabled system in legacy OS without Power Button Off holding for 4 seconds. Disable will force 4 second Disabled power button to shutdown the system. Enabled Enable or disable Spread Spread Spectrum spectrum. Disabled http://www.TYAN.com... - Page 66 After Power Failure Stay Off Disabled keep the power off until the power button is pressed. Power On The Disabled choice turns off Resume on Modem Ring. Enabled Enable or disable AMD Power AMD Power Now Now. Disabled http://www.TYAN.com...
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Page 67: Bios Exit Menu
Discard Changes Use this option to restore all new setup values that you have made but not saved in CMOS. Save Changes Use this option to restore all new setup values that you have made and saved in CMOS. http://www.TYAN.com... -
Page 68: Chapter 4: Diagnostics
(2) Graphics initialization failed Before contacting your vendor or Tyan Technical Support, be sure that you note as much as you can about the beep code length and order that you experience. Also, be ready with information regarding add-in cards, drives and O/S to speed the support process and come to a quicker solution. -
Page 69: Appendix I: Glossary
CPU (similar to DMA channels). Cache: a temporary storage area for data that will be needed often by an application. Using a cache lowers data access times since the information is stored in SRAM instead http://www.TYAN.com... - Page 70 EEPROM (Electrically Erasable Programmable ROM): also called Flash BIOS, it is a ROM chip which can, unlike normal ROM, be updated. This allows you to keep up with changes in the BIOS programs without having to buy a new chip. TYAN’s BIOS updates can be found at http://www.tyan.com ESCD (Extended System Configuration Data): a format for storing information about Plug-n-Play devices in the system BIOS.
- Page 71 IDE drives. These modes use the CPU for data transfer (in contrast, DMA channels do not). PCI refers to the type of bus used by these modes to communicate with the CPU. PCI-to-PCI bridge: allows you to connect multiple PCI devices onto one PCI slot. http://www.TYAN.com...
- Page 72 AcceleRAID 150, 200 or 250, to implement RAID on a system board-embedded SCSI bus or a set of SCSI busses. SISL: SCSI Interrupt Steering Logic ( LSI ) (only on LSI SCSI boards) Sleep/Suspend mode: in this mode, all devices except the CPU shut down. http://www.TYAN.com...
- Page 73 CPUs without damaging the sensitive CPU pins. The CPU is lightly placed in an open ZIF socket, and a lever is pulled down. This shifts the processor over and down, guiding it into the board and locking it into place. http://www.TYAN.com...
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Page 74: Appendix Ii: Bios Post Code
Display possible high address for UMB high byte of memory bus recovery Test CPU bus-clock frequency Display error messages Initialize Phoenix Dispatch Manager Check for configuration errors Warm start shut down Check for keyboard errors Shadow system BIOS ROM Set up hardware interrupt vectors http://www.TYAN.com... - Page 75 Scan for F2 key stroke Initialize interrupt vectors Enter SETUP Initialize Run Time Clock Clear Boot flag Initialize video Check for errors Initialize System Management Mode POST done - prepare to boot Output one beep before boot operating system http://www.TYAN.com...
- Page 76 Code Beeps / Description Code Beeps / Description One short beep before boot Boot to Mini DOS Terminate QuietBoot (optional) Clear Huge Segment Check password (optional) Boot to Full DOS Prepare Boot http://www.TYAN.com...
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Page 77: Technical Support
By offering plenty of options for users, Tyan serves multiple market segments with the industry's most competitive services to support them. "Tyan's tech support is some of the most impressive we've seen, with great response time and exceptional organization in general." - Anandtech.com Please feel free to contact us directly for this service at techsupport@tyan.com... - Page 78 Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by manufacturer. Dispose of used battery according to manufacturer instructions and in accordance with your local regulations. Document #: D1656-101 http://www.TYAN.com...