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AOpen AX5TC, User Manual

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AWARD BIOS

3-11

3.4

Chipset Features Setup

The "Chipset Features Setup" includes settings for the chipset dependent
features.  These features are related to system performance.

Caution:  Make sure you fully understand the
items contained in this menu before you try to
change anything.  You may change the
parameter settings to improve system
performance .  However, it may cause system
unstable if the setting are not correct for your
system configuration.

Summary of Contents for AX5TC

Page 1: ...AX5TC User s Guide Printed in Taiwan PART NO 49 87801 211 DOC NO AX5TC 1 E9801A...

Page 2: ......

Page 3: ...1 E9801A Model and Revision For AX5TC revision 1 xx Manual Revision English revision A Release Date Jan 13 1998 More help for latest information Taiwan http www aopen com tw USA http www aopen usa com...

Page 4: ...s publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic opt...

Page 5: ...ervicing repair and any incidental or consequential damages resulting from any defect in the software Further this company reserves the right to revise this publication and to make changes from time t...

Page 6: ...Chapter 3 AWARD BIOS explains the system BIOS and tells how to configure the system by setting the BIOS parameters Appendix A Frequently Asked Question collects most frequently asked question of this...

Page 7: ...o press on the keyboard Note Gives bits and pieces of additional information related to the current topic Warning Alerts you to any damage that might result from doing or not doing specific actions Ca...

Page 8: ...nstallation 2 1 Jumper and Connector Locations 2 2 2 Jumpers 4 2 2 1 Setting the CPU Voltage 5 2 2 2 Selecting the CPU Frequency 8 2 2 3 Clearing the CMOS 12 2 3 Connectors 13 2 3 1 Power Cable 13 2 3...

Page 9: ...et Features Setup 11 3 5 Power Management Setup 17 3 6 PNP PCI Configuration Setup 24 3 7 Load Setup Defaults 28 3 8 Load Turbo Defaults 28 3 9 Integrated Peripherals 29 3 10 Password Setting 34 3 11...

Page 10: ...Drive In addition AX5TC also implements many special features as following Suspend To Hard Drive Immediately turns on system and goes back to the original screen before power down You can resume your...

Page 11: ...core voltage 15A over current protection to prevent any accident short circuit and prevent system damage CPU and Housing Fan Monitoring AX5TC has one more fan monitoring function to prevent system ove...

Page 12: ...PCI Sound Card connector The SB LINK connector can be used to link Creative compatible PCI sound card If you have a Creative PCI sound card installed it is necessary to link the card to this connecto...

Page 13: ...Floppy Interface Floppy interface supports 3 5 inches drives with 720KB 1 44MB or 2 88MB format or 5 25 inches drives with 360KB 1 2MB format IDE Interface Dual channel IDE interface support maximum 4...

Page 14: ...system through a local area network RTC Wake Up Timer Program the date time to wake up your system Synchronous Switching Regulator High efficient synchronous switching regulator for future CPU Over cu...

Page 15: ...Power Management Suspend Mode Option select Suspend to Disk 2 Go into BIOS setup PNP PCI Configuration PnP OS Installed select No This can give BIOS the capability to allocate system resources for Su...

Page 16: ...C AOZVHDD c partition If there is no extra free partition and you don t want your data lost please do not use this partition method 6 After creating above partition or hidden file please reboot your...

Page 17: ...S3 968 KuoWei ET 6000 Tip Following Sound card have been tested OK for Suspend to Hard Drive AOpen AW32 AOpen AW35 AOpen MP56 Creative SB 16 Value PnP Creative SB AWE32 PnP ESS 1868 PnP If your sound...

Page 18: ...tomatically answer a phone call such as answering machine or to send receive fax You may identify the true power off by checking fan of your power supply Both external box modem and internal modem car...

Page 19: ...spend to Hard Drive function 3 Turn system power off by soft power switch 4 Connect RS232 cable of external box Modem to COM1 or COM2 5 Connect telephone line to external box Modem Turn on Modem power...

Page 20: ...System voltage monitoring function monitors CPU core voltage It is automatically implemented by BIOS and Hardware Monitor utility the file name is like aohw100 exe where 100 means the version number...

Page 21: ...r similar as Intel LDCM or Hardware Monitor utility software ADM is a very powerful network and hardware monitor software If you do not need network monitor function you may also use Hardware Monitor...

Page 22: ...example Chinese After entering BIOS Setup you can switch to another language by pressing F9 Then pressing F9 again will let you return to English screen This breakthrough will help you set BIOS items...

Page 23: ...n boards and other components Always observe the following precautions before you install a system component 1 Do not remove a component from its protective packaging until you are ready to install it...

Page 24: ...e locations of the jumpers and connectors on the system board FDC IDE1 IDE2 USB KB2 BIOS I S A 3 I S A 2 I S A 1 P C I 1 P C I 2 P C I 3 P C I 4 IrDA JP14 DIMM1 DIMM2 DIMM3 PWR2 PANEL HDD LED MODEM WK...

Page 25: ...rinter connector PWR2 ATX power connector USB USB connector FDC Floppy drive connector IDE1 IDE1 primary channel IDE2 IDE2 secondary channel FAN1 CPU Fan connector FAN2 CPU Fan connector FAN3 Fan Conn...

Page 26: ...s before you change any setting The onboard jumpers are normally set to their default with optimized settings On the mainboard normally there is a bold line marked beside pin 1 of the jumper sometimes...

Page 27: ...8V SW1 is used to select CPU core voltage Vcore and ratio there are totally eight switches on the DIP After installing CPU remember to set the switch 4 8 to specify a proper Vcore ON 1 2 3 4 5 6 7 8 3...

Page 28: ...2 9V ON OFF OFF ON OFF IDT C6 Single Voltage 3 45V OFF ON ON ON OFF Warning Please make sure that you have installed CPU fan properly if Intel PP MT 233 or AMD K6 200 233 is being selected to use It...

Page 29: ...4V 3 5V S4 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON S5 OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF...

Page 30: ...rent Internal Core and External Bus frequency The ratio of Core Bus frequency is selected by the switch 1 3 of SW1 Note Intel PP MT MMX 233MHz is using 1 5x jumper setting for 3 5x frequency ratio and...

Page 31: ...pset supports only 60 66MHz external CPU bus clock the 75 83 3 MHz settings are for internal test only set to 75 83 3MHz exceeds the specification of TX chipset which may cause serious system damage C...

Page 32: ...N ON OFF 1 2 1 2 1 2 PP MT 200 200MHz 3x 66MHz OFF ON OFF 1 2 1 2 1 2 PP MT 233 233MHz 3 5x 66MHz OFF OFF OFF 1 2 1 2 1 2 Cyrix 6x86 6x86L CPU Core Frequency Ratio External Bus Clock S1 S2 S3 JP4 JP5...

Page 33: ...6MHz ON ON ON 1 2 1 2 1 2 IDT C6 CPU Core Frequency Ratio External Bus Clock S1 S2 S3 JP4 JP5 JP6 C6 150 150MHz 2x 75MHz ON OFF OFF 1 2 2 3 1 2 C6 180 180MHz 3x 60MHz OFF ON OFF 2 3 1 2 1 2 C6 200 200...

Page 34: ...the AC power 2 Remove ATX power cable from connector PWR2 3 Locate JP14 and short pins 2 3 for a few seconds 4 Return JP14 to its normal setting by shorting pins 1 2 5 Connect ATX power cable back to...

Page 35: ...supply is off before connecting or disconnecting the power cable 5V 5V 5V SB 3 3V 3 3V PWR2 2 3 2 ATX Soft Power Switch Connector The ATX soft power switch connector is a 2 pin header on the system bo...

Page 36: ...he 3 pin fan connector FAN2 FAN3 can be reserved for the housing fan Note that only FAN2 supports the fan monitoring function because 3 pin fan has an extra pin called SENSE which periotically sends f...

Page 37: ...KB2 The view angle of drawing shown here is from back panel of the housing PS 2 KB PCB 2 3 6 Serial Devices COM1 COM2 The onboard serial connectors are 9 pin D type connector on the back panel of main...

Page 38: ...wing shown here is from back panel of the housing PRINTER PCB 2 3 8 USB Device You can attach USB devices to the USB connector The mothermoard contains two USB connectors which are marked as USB USB P...

Page 39: ...IDE device please refer to your hard disk and CDROM manual accordingly Connect your first IDE hard disk to master mode of the primary channel If you have second IDE device to install in your system c...

Page 40: ...designed for different type of housing actually only two pins are necessary for the LED If your housing has four pin connector simply plug it in If you have only two pin connector please connect to pi...

Page 41: ...lock and power LED Since power LED and keylock are aligned together you can still use this kind of connector 1 5V GND Reserved GND NC NC GND NC RESET GND 11 10 20 GND KEYLOCK GND RESET POWER LED SPEAK...

Page 42: ...3 13 IrDA Connector The IrDA connector can be configured to support wireless infrared module with this module and application software such as Laplink or Win95 Direct Cable Connection user can transf...

Page 43: ...used to connect Creative PCI sound card If you have a Creative PCI sound card installed it is necessary to link the card to this connector for compatibility issue under DOS environment Pin 1 2 3 4 5 6...

Page 44: ...ble from RING connector of MP56 to WKUP connector on the mainboard Pin 1 2 3 4 Description 5V SB NC RING GND Note Wake Up Connector and Modem Ring On are patent applied Tip Not only for Modem Ring On...

Page 45: ...ock of this SDRAM is 83MHz Sometimes you can also find the SDRAM marked as 67 which means maximum clock is 67MHz III Buffered and non buffered This motherboard supports non buffered DIMMs You can iden...

Page 46: ...ard 64 bit wide without parity SDRAM There is no jumper setting required for the memory size or type It is automatically detected by the system BIOS Note that because TX chipset limitation the maximum...

Page 47: ...812DGE 15 3 Yes TI TMS626162DGE 15 3 Yes TI TMS626162DGE M67 3 Yes The driving capability of new generation chipset is limited because the lack of memory buffer to improve performance This makes DRAM...

Page 48: ...tested 4M by 16 4Mx64 x1 4 32MB Yes but not tested 4M by 16 4Mx64 x2 8 64MB Yes but not tested 8M by 8 8Mx64 x1 8 64MB Yes but not tested 8M by 8 8Mx64 x2 16 128MB Yes but not tested Following table...

Page 49: ...4 8M SDRAM TI TMS626162DGE M 67 x1 4 8M SDRAM TI TMS626162DGE 15 x1 4 16M SDRAM TI TMS626162DGE 15 x2 8 16M SDRAM TI TMS626812DGE 15 x1 8 16M SDRAM NEC D4516821G5 A12 7JF x1 8 16M SDRAM Toshiba TC59S1...

Page 50: ...te your BIOS via AWARD Flash Utility Important Because the BIOS code is the most often changed part of the mainboard design the BIOS information contained in this chapter especially the Chipset Setup...

Page 51: ...Self Test The BIOS Setup Main Menu appears as follows Tip Choose Load Setup Defaults for recommended optimal performance Choose Load Turbo Defaults for best performance with light system loading Refe...

Page 52: ...ight an item and or to select the value for each item Standard CMOS Date To set the date highlight the Date parameter Press or to set the current date The date format is month date and year Standard C...

Page 53: ...e if no HDD is connected to the system The IDE CDROM is always automatically detected Tip For an IDE hard disk we recommend that you use the IDE HDD Auto Detection to enter the drive specifications au...

Page 54: ...he left Standard CMOS Video Video EGA VGA CGA40 CGA80 Mono This item specifies the type of video card in use The default setting is VGA EGA Since current PCs use VGA only this function is almost usele...

Page 55: ...te the warning message This feature protects the boot sector and partition table of your hard disk from virus intrusion Any attempt during boot up to write to the boot sector of the hard disk drive st...

Page 56: ...are normally checked BIOS Features Boot Sequence Boot Sequence A C SCSI C A SCSI C CDROM A CDROM C A D A SCSI E A SCSI F A SCSI SCSI A C SCSI C A C only LS ZIP C This parameter allows you to specify t...

Page 57: ...ction Disabling the numeric function allows you to use the numeric keypad for cursor control BIOS Features Boot up System Speed Boot up System Speed High Low Select High or Low system speed after boot...

Page 58: ...urity option select Password Setting from the main menu don t type anything and just press Enter BIOS Features PCI VGA Palette Snoop PCI VGA Palette Snoop Enabled Disabled Enabling this item informs t...

Page 59: ...FF Shadow BIOS Features D000 D3FF Shadow BIOS Features D400 D7FF Shadow BIOS Features D800 DBFF Shadow BIOS Features DC00 DFFF Shadow C8000 CBFFF Shadow Enabled Disabled These six items are for shadow...

Page 60: ...These features are related to system performance Caution Make sure you fully understand the items contained in this menu before you try to change anything You may change the parameter settings to imp...

Page 61: ...tion of INTEL TX chipset 70ns SIMM can only be used with CPU external clock 60MHz To use 70ns SIMM with 66MHz CPU external clock may result in unstable system behavior Chipset Features DRAM Leadoff Ti...

Page 62: ...AM Write Burst Timing x444 x333 x222 Write Burst means to write four continuous memory cycles on four predefined addresses to the DRAM This item sets the DRAM write timing of the 2nd 3rd and 4th memor...

Page 63: ...SDRAM CAS Latency and RAS to CAS Delay calculated by clocks They are important parameters affects SDRAM performance default is 2 clocks If your SDRAM has unstable problem change 2 2 to 3 3 Chipset Fe...

Page 64: ...t I O card you may try to extend the I O recovery time via this item The BIOS default value is 4 ISA clock If set to NA the chipset will insert 3 5 system clocks Chipset Features 16 Bit I O Recovery T...

Page 65: ...ayed Transaction Enabled Disabled This item lets you control the Delayed Transaction function of the PIIX4 chipset Intel PCI to ISA bridge This function is used to meet latency of PCI cycles to or fro...

Page 66: ...Power Management Power Management Max Saving Mix Saving User Defined Disabled This function allows you to set the default parameters of power saving modes Set to Disable to turn off power management f...

Page 67: ...er Video Off After N A Doze Standby Suspend To turn off video monitor at which power down mode Power Management Doze Mode Doze Mode Disabled 1 Min 2 Min 4 Min 8 Min 12 Min 20 Min 30 Min 40 Min 1 Hour...

Page 68: ...s detected by monitoring the IRQ signals Power Management Suspend Mode Suspend Mode Disabled 1 Min 2 Min 4 Min 8 Min 12 Min 20 Min 30 Min 40 Min 1 Hour This item lets you set the period of time after...

Page 69: ...er can be off together Power Management LAN Wake Up LAN Wake Up Enabled Disabled This option lets you specify enable or disable LAN Wake Up function Power Management Suspend Mode Option Suspend Mode O...

Page 70: ...o 50 the CPU will only receive 33M clock count in one second This will effectively reduce CPU speed as well as CPU power Power Management VGA Activity Monitor VGA Activity Monitor Enabled Disabled To...

Page 71: ...Month Date of Month Alarm 0 1 2 30 31 This item selects the date of month to on which to wake up or power off the system Set to 0 means everyday Power Management Wake Up Time hh mm ss Time hh mm ss A...

Page 72: ...ry IDE 0 Power Management Primary IDE 1 Power Management Secondary IDE 0 Power Management Secondary IDE 1 Power Management Floppy Disk Power Management Serial Port Power Management Parallel Port Prima...

Page 73: ...Configuration Setup from the main menu PNP PCI Configuration PnP OS Installed PnP OS Installed Yes No Normally the PnP resources are allocated by BIOS during POST Power On Self Test If you are using a...

Page 74: ...s PNP PCI Configuration IRQ3 COM2 PNP PCI Configuration IRQ4 COM1 PNP PCI Configuration IRQ5 Network Sound or Others PNP PCI Configuration IRQ7 Printer or Others PNP PCI Configuration IRQ9 Video or Ot...

Page 75: ...not fully PnP compatible These cards require you to specify the slot in use to enable BIOS to properly configure the PnP resources This function allows you to select the PCI slot for any PCI IDE add o...

Page 76: ...ength lets you set a memory space for non PnP compatible ISA card This item specifies the memory base start address of the reserved memory space The memory size is specified in the Used MEM Length PNP...

Page 77: ...t Features Setup to get slowest and safer setting 3 8 Load Turbo Defaults The Load Turbo Defaults option gives better performance than Optimal values However Turbo values may not be the best setting o...

Page 78: ...nu This option allows you to configure the I O features Integrated Peripherals IDE HDD Block Mode IDE HDD Block Mode Enabled Disabled This feature enhances disk performance by allowing multisector dat...

Page 79: ...mode Caution It is recommended that you connect the first IDE device of each channel to the endmost connector of the IDE cable Refer to section 2 3 Connectors for details on how to connect IDE device...

Page 80: ...iver in the operating system Integrated Peripherals USB IRQ Released USB IRQ Released Yes No USB device is default to use PCI INTD the same as PCI slot4 If you installed PCI card on slot4 and require...

Page 81: ...is item is configurable only if the Onboard UART 2 is enabled This allows you to specify the mode of serial port2 The available mode selections are Standard Sets serial port 2 to operate in normal mod...

Page 82: ...PP ECP EPP 1 7 ECP EPP 1 9 ECP This item lets you set the parallel port mode The mode options are Normal Standard and Bidirection Parallel Port EPP Enhanced Parallel Port and ECP Extended Parallel Por...

Page 83: ...ing that the password has been disabled 3 11 IDE HDD Auto Detection If your system has an IDE hard drive you can use this function to detect its parameters and enter them into the Standard CMOS Setup...

Page 84: ...e BIOS Flash utility allows you to upgrade the system BIOS To get the AOpen Flash utility and the upgrade BIOS file contact your local distributor or visit our homepage at http www aopen com tw Please...

Page 85: ...ility will prompt you to save original BIOS code into your HDD or floppy Please press Y to store it as BIOS OLD 4 After the old BIOS has been successfully saved press Y to replace BIOS 5 DO NOT turn o...

Page 86: ...F 2 8V AMD K5 Single Voltage ON ON ON ON OFF 3 52V AMD K6 166 200 Dual Voltage ON OFF OFF ON OFF 2 9V AMD K6 233 Dual Voltage OFF OFF ON ON OFF 3 2V AMD K6 266 300 Dual Voltage OFF ON OFF OFF OFF 2 2V...

Page 87: ...lock 60MHz 66MHz 75MHz 83 3MHz Note Intel PP MT MMX 233MHz is using 1 5x jumper setting for 3 5x frequency ratio and AMD PR166 is using 2 5x setting for 1 75x frequency ratio Warning INTEL TX chipset...

Page 88: ...re Frequency Ratio External Bus Clock S1 S2 S3 JP4 JP5 JP6 P150 120MHz 2x 60MHz ON OFF OFF 2 3 1 2 1 2 P166 133MHz 2x 66MHz ON OFF OFF 1 2 1 2 1 2 P200 150MHz 2x 75MHz ON OFF OFF 1 2 2 3 1 2 Cyrix M2...

Page 89: ...1 2 1 2 PR2 266 266MHz 4x 66MHz ON OFF ON 1 2 1 2 1 2 PR2 300 300MHz 4 5x 66MHz ON ON ON 1 2 1 2 1 2 IDT C6 CPU Core Frequency Ratio External Bus Clock S1 S2 S3 JP4 JP5 JP6 C6 150 150MHz 2x 75MHz ON O...

Page 90: ...w USA http www aopen usa com http www aopenamerica com Europe http www aopen nl No display 1 Check all jumper settings according to section 2 2 Jumpers Make sure that you have set the proper jumpers e...

Page 91: ...s 60ns for better performance If you are using an old SIMM or a remarked SIMM you may need to manually slow down the DRAM timing and disable the chipset features Refer to chapter 3 Chipset Features Se...

Page 92: ...CMOS jumper and follow the procedures on how to clear the CMOS Load the BIOS optimal settings AMI or load BIOS default settings Award 2 If your mainboard comes with a battery simply change it If your...

Page 93: ...atest BIOS try again with the latest BIOS Important If problem still exist after you have done all the corrective actions listed in this appendix fill out the attached problem report form Write down y...

Page 94: ...Modem q SCSI CDROM q Ethernet q USB q Win95 q Window NT q UNIX q COM1 COM2 serial mouse q Parallel Tape q Floppy Tape q IDE CDROM q VGA q SCSI HDD q SCSI Tape q Tokenring q DOS q Windows 3 1 q OS 2 q...

Page 95: ...version A The AOpen mainboard BIOS version appears on the upper left corner of the POST Power On Self Test screen Normally it starts with R and is found in between the model name and the date For exam...

Page 96: ...ities of the IDE access including waiting for the mechanical events To reduce the workload of the CPU the bus master IDE device transfers data from to memory without interrupting CPU and releases CPU...

Page 97: ...OM programming utility is necessary no need to open housing and change the BIOS ROM You may connect to http www aopen com tw to download BIOS for upgrade Q Why will the system BIOS assign an IRQ to th...

Page 98: ...ontrol All the AOpen ATX MBs support momentary switch and AX5T AX5TC AX58 AX6L support modem wakeup Modem Ring On Soft Power Off means to turn off system through software Windows 95 Shutdown function...

Page 99: ...major goal is to provide an easy way for corporate network administrator to monitor the status of all the clients workstation You need at least DMI BIOS for LDCM AOpen BIOS is also DMI ready but unfor...

Page 100: ...Every trace and components delay must be taken into consideration The expansion cache slot design will cause 2 or 3ns delay in PBSRAM timing and the extended trace length to the cache module through...

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