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Trinity KT400 S2495
Trinity KT400
Copyright © TYAN Computer Corporation, 2003. 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, Trinity, KT400 and S2495 are trademarks of TYAN Computer Corporation.
AMD, Athlon and Duron are trademarks of Advanced Micro Devices, Inc.
VIA, KT400, are trademarks of VIA Technologies, Inc.
Silicon Image is a trademark of Silicon Image, Inc.
High Point is a trademark of HighPoint Technologies, Inc.
Award, AwardBIOS are trademarks of Award Software Incorporated.
Microsoft and Windows are trademarks of Microsoft Corporation.
IBM, PC, AT and PS/2 are trademarks of IBM Corporation.
Winbond is a trademark of Winbond Electronics Corporation.
Sony/Philips Digital Interface (SPDIF) is a trademark of Sony Corporation and Philips
Electronics.
Portable Document Format (PDF) is a trademark of Adobe Corporation.
Information contained in this document is furnished by TYAN Computer Corporation and has
been reviewed for accuracy and reliability prior to printing.
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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Revision 1.02
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http://www.tyan.com
User' s Manual
S2495
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Table of Contents
Related Manuals for TYAN TRINITY KT400
Summary of Contents for TYAN TRINITY KT400
- 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
Trinity KT400 S2495 Table of Contents Table of Contents Before you begin… ........................ iii Chapter 1: Introduction.......................1-1 1.1 – Congratulations!.....................1-1 1.2 – Hardware Specifications ..................1-2 Chapter 2: Board Installation....................2-1 2.1 – Board Image ......................2-2 2.2 – Board Parts......................2-3 2.3 – Jumper Settings & Definitions ................2-4 2.4 –... -
Page 3: Before You Begin
1x Trinity KT400 S2495 motherboard 1x 34-Pin floppy drive cable 1x Ultra-DMA-133/100/66/33 IDE cable (One additional for IDE RAID) 1x Trinity KT400 S2495 User’s Manual 1x TYAN driver CD 1x I/O shield 1 x Serial ATA Driver Diskette and User’ s Manual (Optional) 1 x IDE RAID Driver Diskette and User’... -
Page 4: Chapter 1: Introduction
You have purchased one of the most powerful s olutions for the AMD Athlon XP processor, the Trinity KT400 S2495. Based on VIA’ s KT400 chipsets, the main features of the Trinity KT400 S2495 are: ATX form factor, onboard 10/100 Fast Ethernet port, and 6-channel audio. It also offers optional features such as Serial ATA and IDE RAID for desktop demands. -
Page 5: Hardware Specifications
• Dual channel master mode support up to four IDE devices • Support for ATA -133 / 100 / 66 IDE drives and ATAPI compliant devices Note: TYAN reserves the right to add support or discontinue support for any OS with or without notice. http://www.tyan.com... -
Page 6: Chapter 2: Board Installation
(i.e. power supply case). For the safest conditions, TYAN recommends wearing a static safety wrist strap. (2) Hold the motherboard by its edges and do not touch the bottom of the board, or flex the board in any way. -
Page 7: Board Image
Chapter 2: Board Installation 2.1 – Board Image The following is an image of the Trinity KT400 S2495. The above photograph is purely representative. Due to engineering updates and new board revisions, certain components may change and or be repositioned. The picture above may or may not look exactly like the board you received. -
Page 8: Board Parts
Trinity KT400 S2495 Chapter 2: Board Installation 2.2 – Board Parts Ÿ COM2 COM1 AUD2 USB1 USB2 AUX1 LPT1 W83697HF ALC650 BIOS AUD1 GAME1 SPDIF1 VT6103 FAN3 JCK1 FAN1 FAN2 ATX1 AGP1 JCK2 C P U VIA KT400 PCI6 PCI5... -
Page 9: Jumper Settings & Definitions
Trinity KT400 S2495 Chapter 2: Board Installation 2.3 – Jumper Settings & Definitions Jumper Function Ref. Page CMOS Clear CMOS Page 2-4 JCK1 FSB Select Page 2-5 JCK2 FSB Select Page 2-5 Jumper Example Jumper OFF – open (without jumper cap) Jumper ON –... - Page 10 Trinity KT400 S2495 Chapter 2: Board Installation CPU FSB Select (JCK1 & JCK2) JCK1 JCK1 COM2 COM1 USB1 AUD2 USB2 AUX1 LPT1 W83697HF ALC650 BIOS GAME1 AUD1 SPDIF1 VT6103 JCK2 FAN3 JCK1 FAN1 FAN2 ATX1 AGP1 JCK2 C P U...
- Page 11 Trinity KT400 S2495 Chapter 2: Board Installation 2.4 – Connector Description Connector Function Ref. Page Front panel connector Page 2-6 LED1 Power On LED Page 2-7 LED2 Post error code for BIOS Page 5-7 FAN1 CPU fan connector Page 2-7...
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Page 12: Power On Led
Trinity KT400 S2495 Chapter 2: Board Installation LED Information (LED1 & LED2) COM2 COM1 AUD2 USB2 USB1 AUX1 LPT1 W83697HF ALC650 BIOS GAME1 AUD1 SPDIF1 VT6103 FAN3 JCK1 FAN1 FAN2 ATX1 AGP1 JCK2 C P U VIA KT400 PCI4 PCI2... -
Page 13: Wake On Lan
Trinity KT400 S2495 Chapter 2: Board Installation USB3 Connector COM2 COM1 USB1 AUD2 USB2 AUX1 LPT1 W83697HF ALC650 BIOS GAME1 AUD1 SPDIF1 VT6103 FAN3 FAN1 JCK1 FAN2 ATX1 AGP1 JCK2 USB3 C P U VIA KT400 PCI6 PCI5 PCI4 PCI3... - Page 14 Trinity KT400 S2495 Chapter 2: Board Installation CD1 Connector (CD Audio-In) COM2 COM1 USB1 AUD2 USB2 AUX1 LPT1 W83697HF ALC650 BIOS GAME1 AUD1 SPDIF1 VT6103 FAN3 FAN1 JCK1 FAN2 ATX1 AGP1 JCK2 C P U VIA KT400 PCI6 PCI5 PCI4...
- Page 15 Trinity KT400 S2495 Chapter 2: Board Installation AUD1 Connector AUD1 COM2 COM1 AUD2 USB2 USB1 AUX1 LPT1 W83697HF ALC650 BIOS GAME1 AUD1 SPDIF1 VT6103 FAN3 JCK1 FAN1 FAN2 ATX1 AGP1 JCK2 VIA KT400 PCI6 PCI5 PCI4 PCI3 PCI2 PCI1 VT8377...
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Page 16: Serial Ata Connector
Trinity KT400 S2495 Chapter 2: Board Installation SPDIF1 Connector COM2 COM1 AUD2 USB1 USB2 AUX1 LPT1 W83697HF ALC650 BIOS SPDIF1 AUD1 GAME1 SPDIF1 VT6103 FAN3 JCK1 FAN1 FAN2 ATX1 AGP1 JCK2 C P U PCI4 PCI2 PCI1 VIA KT400 PCI6... -
Page 17: Connector Description
Trinity KT400 S2495 Chapter 2: Board Installation RAID IDE1 / RAID IDE2 Connectors (Optional) COM2 COM1 AUD2 USB2 USB1 AUX1 LPT1 W83697HF ALC650 BIOS AUD1 GAME1 SPDIF1 VT6103 FAN3 JCK1 FAN1 FAN2 ATX1 AGP1 JCK2 C P U VIA KT400... -
Page 18: Mounting The Motherboard
TYAN recommends using metal studs with screws that will fasten the motherboard more securely in place. - Memory Type : The S2495 Trinity KT400 supports Registered, unbuffered non-ECC type memory modules. - CPU Front-Side Bus Speed Match: When the CPU FSB is 333MHz, you must to use DDR333 (PC2700) memory modules. -
Page 19: Installing The Memory
Registered DDR SDRAM bottom Here are a few key points to note before installing memory into your Trinity KT400 S2495: 128MB, 256MB, 512MB and 1GB Registered, unbuffered non-ECC PC1600/PC2100/PC2700/PC3200 DDR memory modules are supported All installed memory will be automatically detected - no need to set any jumpers... -
Page 20: Memory Installation Procedure
Trinity KT400 S2495 Chapter 2: Board Installation 2.7 – Memory Installation Procedure When installing memory modules, make sure the modules align properly with the memory socket. There should be keys (small indents) on your memory modules that fit according to the keys in the memory socket. -
Page 21: Installing The Processor And Heatsink
Trinity KT400 S2495 Chapter 2: Board Installation 2.8 – Installing the Processor and Heatsink Your Trinity KT400 S2495 supports the latest processor technologies from AMD. Check the following page on TYAN’s website for latest processor support: http://www.tyan.com The following diagrams will detail how to install your processor(s): 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 22 This is will probably be the most difficult portion of setting up your computer so please exercise caution. TYAN will not accept responsibility and no warranty will be given for damage due to improperly installed heatsinsks.
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Page 23: Attaching Drive Cables
Attaching IDE drive cabling 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 PRI-IDE connector designates the Primary channel, while the SEC-IDE connector designates the Secondary channel. - Page 24 Trinity KT400 S2495 Chapter 2: Board Installation Floppy Drives Attaching a floppy drive can be done in a similar manner to an IDE drive. See the diagram below for an example of a floppy cable. Most of the current floppy drives on the market require that the cable be installed with the colored stripe positioned next to the power connector.
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Page 25: Installing Add-In Cards
Trinity KT400 S2495 Chapter 2: Board Installation 2.10 – Installing Add-In Cards Before installing add-in cards, it’s helpful to know if they are fully compatible with your motherboard. For this reason, we’ve provided the diagrams below, showing the most common slots that may appear on your motherboard. -
Page 26: Connecting External Devices
At times, attaching connectors in the incorrect orientation can damage, bend and or break the pins. 2.12 – Installing the Power Supply The Trinity KT400 S2495 has a single 20-pin connector for ATX power supplies. COM2 COM1... -
Page 27: Finishing Up
Trinity KT400 S2495 Chapter 2: Board Installation 2.13 – Finishing Up Congratulations on making it this far! You’re finished setting up the hardware aspect of your computer. Before closing up your chassis, make sure that all cables and wires are connected properly, especially IDE cables and most importantly, jumpers. -
Page 28: Chapter 3: Bios Setup
Trinity KT400 S2495 Chapter 3: BIOS Setup Chapter 3: BIOS Setup Installation The BIOS is the basic input/output system, the firmware on the motherboard that enables your hardware to interface with your software. This chapter describes different settings for the BIOS that can be used to configure your system. - Page 29 Chipset section unless you are absolutely sure of the outcome. The Chipset defaults were carefully chosen by TYAN or your system manufacturer for the best performance and reliability. Even a seemingly small change to the Chipset setup options may cause the system to become unstable or unusable.
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Page 30: Main Bios Setup
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.1 – Main BIOS Setup When you enter Phoenix - AwardBIOS CMOS Setup Utility, the following screen will appear as below: Phoenix – AwardBIOS CMOS Setup Utility ? Standard CMOS Features ? Frequency/Voltage Control... - Page 31 Trinity KT400 S2495 Chapter 3: BIOS Setup Load Optimized Defaults Use this menu to load the BIOS default values that are factory settings for optimal performance system operations. While Award has designed the custom BIOS to maximize performance, the factory has the right to change these defaults to meet their needs.
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Page 32: Standard Cmos Features
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.2 – Standard CMOS Features In this section, you can alter general features such as the date and time, as well as access to the IDE configuration options. Note that the options listed below are for options that can directly be changed within the Main Setup screen. - Page 33 Trinity KT400 S2495 Chapter 3: BIOS Setup Drive A / B: Defines the floppy drive type. None / 360K, 5.25in / 1.2M, 5.25in / 720K, 3.5in / 1.44M, 3.5in / 2.88M, 3.5in Video: Defines video display mode. EGA/VGA / CGA 40 / CGA 80 / MONO Halt On: Determines if the computer should stop when an error is detected during power up.
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Page 34: Advanced Bios Features
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.3 – Advanced BIOS Features In Advanced BIOS features, you will be able to adjust many of the feature that effect system speed and boot-up options. Phoenix – AwardBIOS CMOS Setup Utility Advanced BIOS Features... - Page 35 Trinity KT400 S2495 Chapter 3: BIOS Setup Boot Sequence: Phoenix – AwardBIOS CMOS Setup Utility Boot Sequence First Boot Device [Floppy] Item Help Second Boot Device HDD-0 _________________________ Third Boot Device LS120 Boot Other Device Enabled Menu Level ? ?
- Page 36 Trinity KT400 S2495 Chapter 3: BIOS Setup Typematic Rate (Chars/Sec): Defines how many characters are repeated per second when holding down a key on the keyboard. 6 / 8 / 10 / 12 / 15 / 20 / 24 / 30 Typematic Delay (Msec): Defines the delay that occurs at keystroke before that key will start to repeat.
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Page 37: Advanced Chipsets Features
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.4 – Advanced Chipsets Features In Advanced Chipset Features, you will be abled to adjust many of the chipset special features. Phoenix – AwardBIOS CMOS Setup Utility Advanced Chipset Features ? DRAM Clock / Drive Control... - Page 38 Trinity KT400 S2495 Chapter 3: BIOS Setup DRAM Timing: Select SPD for setting SDRAM timing by SPD. Manual / Auto By SPD DRAM CAS Latency: This setting defines the number of cycles after a read command until output starts. 2 / 2.5 / 3...
- Page 39 Trinity KT400 S2495 Chapter 3: BIOS Setup AGP & P2P Bridge Control: Phoenix – AwardBIOS CMOS Setup Utility AGP & P2P Bridge Control AGP Aperture Size [128M] Item Help AGP Mode [4X] _________________________ AGP Driving Control [Auto] X AGP Driving Value...
- Page 40 Trinity KT400 S2495 Chapter 3: BIOS Setup CPU & PCI Bus Control: Phoenix – AwardBIOS CMOS Setup Utility CPU & PCI Bus Control PCI1 Master 0 WS Write [Enabled] Item Help PCI2 Master 0 WS Write [Enabled] _________________________ PCI1 Post Write...
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Page 41: Integrated Peripherals
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.5 – Integrated Peripherals Options related to onboard peripheral features can be altered through the following: Phoenix – AwardBIOS CMOS Setup Utility Integrated Peripherals ? VIA OnChip IDE Device [Press Enter] Item Help... - Page 42 Trinity KT400 S2495 Chapter 3: BIOS Setup OnChip IDE Channel0 / 1: The integrated peripheral controller contains an IDE interface with support for two IDE channels. Select “Enabled” to activate each channel separately. Enabled / Disabled IDE Prefetch Mode: Enabled prefetching for IDE drive interfaces that support its faster drive accesses. If you are getting disk drive errors, change the setting to omit the drive interface where the errors occur.
- Page 43 Trinity KT400 S2495 Chapter 3: BIOS Setup USB 2.0 Support: This item allows you to decide to “Enable” or “Disable” the USB 2.0 device. Enabled / Disabled AC97Audio: This item allows you to decide to Audio / disable the chipset family to support AC97 Audio.
- Page 44 Trinity KT400 S2495 Chapter 3: BIOS Setup Super IO Device: Phoenix – AwardBIOS CMOS Setup Utility Super IO Device Onboard FDC Controller [Enabled] Item Help Onboard Serial Port 1 [3F8 / IRQ4] _________________________ Onboard Serial Port 2 [2F8 / IRQ3]...
- Page 45 Trinity KT400 S2495 Chapter 3: BIOS Setup Use IR Pins: This item allows you to select IR transmission routes, one is “RxD2, TxD2 (COM Port) and the other is IR-Rx2Tx2. RxD2, TxD2 / IR-Rx2Tx2 Onboard Parallel Port: This field allows the user to configure the LPT port.
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Page 46: Power Management Setup
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.6 – Power Management Setup Options related to power management can be altered through the following: Phoenix – AwardBIOS CMOS Setup Utility Power Management Setup ACPI Function [Enabled] Item Help ACPI Suspend Type... - Page 47 Trinity KT400 S2495 Chapter 3: BIOS Setup Video Off Method: Defines the method used to power off graphics. V/H SYNC+Blank / Blank / DPMS MODEM Use IRQ: Name the interrupt request (IRQ) line assigned to the modem (if any) on your system. Activity of the selected IRQ always awakens the system.
- Page 48 Trinity KT400 S2495 Chapter 3: BIOS Setup PS2KB / MS Wakeup from S3/S4/S5: This item allows you to set a Hot Key to wake-up the system by PS2 Keyboard. Disabled / Ctrl+F1 / Ctrl+F2 / Ctrl+F3 / Ctrl+F4 / Ctrl+F5 / Ctrl+F6 / Ctrl+F7 / Ctrl+F8 / Ctrl+F9 / Ctrl+F10 / Ctrl+F11 / Ctrl+F12 / Power / Wake / Any Key Note: Power and Wake are the Windows98 Keyboard button.
- Page 49 Trinity KT400 S2495 Chapter 3: BIOS Setup IRQs Activity Monitoring: Phoenix – AwardBIOS CMOS Setup Utility IRQs Activity Monitoring Primary INTR [On] Item Help IRQ3 (COM 2) [Enabled] _________________________ IRQ4 (COM 1) [Enabled] IRQ5 (LPT 2) [Enabled] Menu Level ? ? ?
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Page 50: Pnp/Pci Configurations
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.7 – PnP/PCI Configurations Options related to all the configurations of PnP / PCI resources. Phoenix – AwardBIOS CMOS Setup Utility PnP / PCI Configurations PNP OS Installed [No] Item Help Reset Configuration Data... -
Page 51: Pc Health Status
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.8 – PC Health Status This menu is related to detecting system temperature, voltage, fan and speed. Phoenix – AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature Item Help [Disabled] Current System Temp. -
Page 52: Frequency/Voltage Control
1. When FSB is set at 166MHz the memory is only able to run at DDR333 mode. 2. PC2700 maximum to 2 DIMM support only. PC3200 maximum to 1 DIMM (DIMM 3) support only. Please go to TYAN website http://www.TYAN.com for the latest DDR400/PC3200 qualified memory test list. -
Page 53: Load Fail-Safe Defaults
133MHz, If JCK1 and JCK2 are at 2-3 and 1-2 respectively or 166MHz, If JCK1 and JCK2 are both at 2-3. CPU Ratio: Sets the CPU multiplier. TYAN does not recommend changing this setting from the default setting. 16X… 22X / Auto / Default CPU Voltage Regulator: This option allows you to change the default core voltage of the processor. -
Page 54: Supervisor/User Password Setting
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.12 – Supervisor/User Password Setting You can set either supervisor or user password, or both of then. The differences between are: Set Supervisor Password: can enter and change the options of the setup menus. -
Page 55: Exit Selecting
Trinity KT400 S2495 Chapter 3: BIOS Setup 3.13 – Exit Selecting Save & Exit Setup Pressing <Enter> on this item asks for confirmation: Save to CMOS and EXIT (Y/N)? Y Pressing “Y” stores the selections made in the menus in CMOS – a special section of memory that stays on after you turn your system off. -
Page 56: Chapter 4: Diagnostics
BIOS. There are no exceptions. TYAN does not have a policy for replacing BIOS chips directly with end users. In no event will TYAN be held responsible for damages done by the end user. -
Page 57: Appendix I: Glossary
Trinity KT400 S2495 Appendix I: Glossary Appendix I: Glossary ACPI (Advanced Configuration and Power Interface): a power management specification that allows the operating system to control the amount of power distributed to the computer’ s devices. Devices not in use can be turned off, reducing unnecessary power expenditure. - Page 58 EEPROM (Electrically Erasable Programmable ROM): also called Flash BIOS, 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...
- Page 59 Form factor: an industry term for the size, shape, power supply type, and external connector type of the Personal Computer Board (PCB) or motherboard. The standard form factors are the AT and ATX, although TYAN also makes some Baby-AT and ATX Footprint boards. Global timer: onboard hardware timer, such as the Real-Time Clock (RTC).
- Page 60 Trinity KT400 S2495 Appendix I: Glossary Latency: the amount of time that one part of a system spends waiting for another part to catch up. This is most common when the system sends data out to a peripheral device, and it waiting for the peripheral to send some data back (peripherals tend to be slower than onboard system components).
- Page 61 Trinity KT400 S2495 Appendix I: Glossary RAID (Redundant Array of Independent Disks): a way for the same data to be stored in different places on many hard drives. By using this method, the data is stored redundantly, also the multiple hard drives will appear as a single drive to the operating system. RAID level 0 is known as striping, where data is striped (or overlapped) across multiple hard drives, but offers no fault-tolerance.
- Page 62 Trinity KT400 S2495 Appendix I: Glossary UltraDMA-33/66/100: a fast version of the old DMA channel. UltraDMA is also called UltraATA. Without proper UltraDMA controller, your system cannot take advantage of higher data transfer rates of the new UltraDMA/UltraATA hard drives.
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Page 63: Appendix Ii: Post Error Code For Bios
Trinity KT400 S2495 Appendix II: Post Error Code for BIOS Appendix II: Post Error Code for BIOS POST (hex) Description CFh: Test CMOS R/W functionality. C0h: Early chipset initialization: -Disable shadow RAM -Disable L2 cache (socket 7 or below) -Program basic chipset registers... - Page 64 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS POST (hex) Description 0Fh: Reserved 10h: Auto detect flash type to load appropriate flash R/W codes into the run time area in F000 for ESCD & DMI support. 11h: Reserved 12h: Use walking 1’s algorithm to check out interface in CMOS circuitry.
- Page 65 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS POST (hex) Description 24h: Prepare BIOS resource map for PCI & PnP use. If ESCD is valid, take into consideration of the ESCD’s legacy information. 25h: Early PCI Initialization: -Enumerate PCI bus number.
- Page 66 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS POST (hex) Description 36h: Reserved 37h: Test DMA Channel 1. 38h: Reserved 39h: Test DMA page registers. 3Ah: Reserved 3Bh: Reserved 3Ch: Test 8254 3Dh: Reserved 3Eh: Test 8259 interrupt mask bits for channel 1.
- Page 67 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS POST (hex) Description 4Eh: 1. Program MTRR of M1 CPU 2. Initialize L2 cache for P6 class CPU & program CPU with proper cacheable range. 3. Initialize the APIC for P6 class CPU.
- Page 68 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS POST (hex) Description 63h: Reset keyboard if Early_Reset_KB is not defined. 64h: Reserved 65h: Initialize PS/2 Mouse 66h: Reserved 67h: Prepare memory size information for function call: INT 15h ax=E820h...
- Page 69 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS POST (hex) Description 79h: Reserved 7Ah: Detect & install co-processor 7Bh: Reserved 7Ch: Init HDD write protect. 7Dh: Reserved 7Eh: Reserved 7Fh: Switch back to text mode if full screen logo is supported.
- Page 70 Trinity KT400 S2495 Appendix II: Post Error Code for BIOS E8POST.ASM starts Description 8Dh: 1. Enable/Disable Parity Check according to CMOS setup 2. APM Initialization 8Eh: Reserved 8Fh: Clear noise of IRQs 90h: Reserved 91h: Reserved 92h: Reserved 93h: Read HDD boot sector information for Trend Anti-Virus code 94h: 1.
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Page 71: Technical Support
Help Resources: 1. See the beep codes section of this manual. 2. See the TYAN website for FAQ’s, bulletins, driver updates, and other information: http://www.tyan.com 3. Contact your dealer for help BEFORE calling TYAN. 4. Check the TYAN user group: alt.comp.periphs.mainboard.TYAN... - Page 72 Trinity KT400 S2495 User’ s Manual Notice for the USA Compliance Information Statement (Declaration Conformity Procedure) DoC FCC Part 15: This device complies with part 15 of the FCC Rules Operation is subject to the following conditions: This device may not cause harmful interference, and This device must accept any interference received including interference that may cause undesired operation.