TYAN S2420, Manual

Page 1: ...orporated Windows is a trademark of Microsoft Corporation IBM PC AT PS 2 are trademarks of IBM Corporation INTEL Pentium II III Celeron are trademarks of Intel Corporation Tomcat i810ef S2420 is a trademark of Tyan Computer Corporation Information contained in this publication has been carefully checked for accuracy and reliability In no event will Tyan Computer be held liable for any direct or in...

Page 2: ...t Password 16 SoftPower Connector 18 Hardware Reset Switch Connector Installation 18 CMOSRTC 18 Mounting the Motherboard in the Chassis 19 Installing Memory 19 Installing the CPU and Cooling Fan 22 Connecting IDE and Floppy Drives 23 Installing Add on Cards 25 Connecting PS 2 USB Serial and Parallel Devices 26 Connecting the Power Supply 27 Frequently Asked Questions 28 3 BIOSConfiguration 30 Main...

Page 3: ...4 SystemResources 62 BeepCodes 62 Troubleshooting System Problems 63 Displayed Error Messages 64 Appendix Glossary 66 ...

Page 4: ...port html pentiumii_iii_ppga html The Tomcat i810ef motherboard provides high performance capabilities that are ideal for a wide range of demanding applications such as CAD CAM CAE desktop publishing 3D animation and video production This integrated high performance system board in a Flex ATX form factor offers more features and expandability than other Flex ATX boards in its class Some of the fea...

Page 5: ...aging your board or system While we will often point out the most vital paragraphs in a chapter you should always read every word in the text Failing to do so can lead to exasperation and expense Wherever possible we have included step by step instructions for setting up your system which are indicated by this icon However it is in your best interest to read an entire section and perhaps the entir...

Page 6: ... 3V168 pin DIMM sockets PC100 SDRAM support only Expansion Slots Two 32 bit PCI 2 2 Bus Master slots EXTSMI Server Management Connector Disk Drive System I O UltraDMA 66 support up to 4 drives Two 40 pin EIDE connectors Primary Secondary Two floppy drives up to 1 44MB Mode 3 Two 9 pin 16550 UARTSerial ports One 25 pin ECP EPP Parallel port Two USB rev 1 2 ports PS 2 Mouse Keyboard ports Chassis In...

Page 7: ...ires ATX 2 01 power supply VoltageandPower ATX power supply connector Information 12V power source for DC fan onboard 3 3V unbuffered PC100 SDRAM Power recovery after interrupt feature Utilizes GTL bus to reduce power consumption and EMI Physical Dimensions Flex ATX design 9 0 x7 5 SeeTyan website at www tyan com for CPU Compatibility List Software Specifications OS Operates with Windows 98 Window...

Page 8: ...ur dealer or distributor for help BEFORE calling Tyan 4 Check theTyan user group alt comp periphs mainboard tyan Returning Merchandise for Service During the warranty period contact your distributor or system vendor FIRST for any product problems This warranty only covers normal customer use and does not cover damages incurred during shipping or failure due to the alteration misuse abuse or improp...

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Page 10: ...tional included if purchasing Tomcat i810ef S2420 with LAN option Installation You are now ready to install your motherboard The mounting hole pattern of the Tomcat i810ef S2420 matches the Flex ATX system board specifications Your chassis should support a Flex ATX mainboard form factor How to install our products right the first time What s the first thing I should do The first thing you should d...

Page 11: ...ts edges and place it on a grounded antistatic surface component side up Inspect the board for damage DONOTAPPLYPOWERTOTHEBOARDIFITHASBEENDAMAGED Press down on any of the socket ICs if it appears that they are not properly seated the board should still be on an antistatic mat Do not touch the bottom of the board Remember don t take any electronic device out of its protective bag until you are read...

Page 12: ...stic jumper connector overtop of two adjacent jumper pins indicated by 1 2 or 2 3 The metal rod inside the plastic shell bridges the gap between the two pins completing the circuit See Figure 2 2 for more example of pin connections Figure 2 1 Figure 2 2 The tables and maps on the following pages will help you set the jumpers for CPU speed Infrared and external connector pin assignments among other...

Page 13: ...l 810e Chipset Intel 82801AA ATX power connector Joystick Line in Microphone in Line out Primary IDE connector Secondary IDE connector 1 1 Floppy drive connector 1 3 volt lithium battery JP2 J14 J44 J32 CD 1 J43 J1 J9 J15 J38 J25 COM2 AMIBIOS J36 DFP Connector Socket 370 CPU PGA370 Int SPKR CLR CMOS WOR J28 WOL J2 CPU FAN CHS FAN J11 Intel 559 JP3 JP4 1 1 Super I O Riser Card 1 J45 1 Ethernet SCSI...

Page 14: ... 2 Mouse Keyboard ports Floppy port ATX power supply header 2 PCI slots Battery 2 USB ports 1 Parallel 1 Com 1 VGA ports 2 ch EIDE Intel 810e AGPset AMI BIOS Audio ports Joystick Map of S2420 Features Socket 370 for Celeron PentiumIII CPU Ethernet optional Super I O ...

Page 15: ...ctor is an intrusion alarm that can be connected to the system chassis When active J1 is connected to the chassis this alarm will alert the system administrator anytime someone opens the system s case 1 F CPU Fan J12 Chassis Fan Connector J11 CPU Fan connector is for the CPU fan CHS Fan1connector is for the Chassis Fan You may monitor the status of these Fans when using Intel s LANDesk system mana...

Page 16: ... See page 60 for more details about the Flash Writer Utility 1 G Boot Block Jumper JP3 By default this jumper is set to the OFF locked position Having the Boot Block protection locked will allow system bootup even if the BIOS bootup fails In other words the boot block acts as a backup in case your BIOS fails to boot the system If the jumper is set to the ON position this would allow the Boot Block...

Page 17: ...eo out header for LCD Monitors 1 L COM2 port header J25 This is a connector header for the COM2 Port see map for detailed location 1 M On Board Sound Enable Disable JP4 This jumper setting is Enabled by default 1 N Frontside USB Header J38 Certain computer chassis allow for a front end USB port connection Therefore this board provides a front side USB header should you decide to set up a USB conne...

Page 18: ... power button once after the BIOS has booted up will turn the system on and off If the Power Button Function option is set to Suspend pressing the power button once will wake the system or send it to Suspend mode In this case you cannot turn the system off unless you shut down through the Windows operating system or you hold the power button down for four seconds HardwareResetSwitchConnectorInstal...

Page 19: ...ld use is located at the top center of the board where the adapter cards are fastened to the case 3 Installing Memory Since Tyan boards are manufactured with performance in mind you should use add in components that match Some DIMM modules may seem to be high quality because of name or feel but that does not guarantee real world usability Some cheaper or OEM memory may have brand name components b...

Page 20: ...ave proven to be very stable on our boards and perform extremely well To install your DIMMs line your module up so that the pins fit into the slot There is only one way that your DIMM can fit properly Make sure that the short row of pins is lined up with the short gap in the DIMM slot Figure 2 3 see previous page shows how to sit the DIMM into its slot To insert the DIMM push down vertically on th...

Page 21: ...RAM key position will tell you whether or not a DIMM is unbuffered see the Figure 2 5 on previous page All installed memory will be automatically detected so there is no need to set any jumpers Some details of memory installation The mainboard supports 32MB 64MB 128MB SDRAM and supports 256MB unregistered SDRAM DIMM modules PC 100 DIMM is required The table below shows some of the possible memory ...

Page 22: ...ectronic component and it can easily be damaged by static electricity Do not touch the CPU pins with your fingers Before the CPU is installed the mainboard must be placed on a flat surface You should be able to insert the CPU into the slot with minimal but firm pressure Do not press down hard on the CPU Figure 2 7 Chapter 2 Board Installation Figure 2 6 ...

Page 23: ...able into the cooling fan connector on the board There will be a plastic clip assembly similar to that of the ATX power connector that will force you to connect the fan cable correctly see Figure 2 7 on the previous page Connecting IDE and Floppy Drives The colored stripe on a ribbon cable should face toward the ATX Power Connector on the motherboard In Figure 2 8 below you can see how the IDE cab...

Page 24: ...ly means the cable is on backwards Hard drive lights are constantly on usually means bad IDE cable or defective drives motherboard Try another HDD Hard drives do not power up check power cables and cabling May also be a bad power supply or IDE drive ConnectingFloppyDrives Pin 1 on the floppy cable is usually denoted by a red or colored stripe down one side of the cable see Figure 2 10 on the follo...

Page 25: ...Drive Fail message at bootup the cable floppy or motherboard may be faulty Try another cable or floppy drive to verify Light on the floppy is on constantly normally signifies that the cable is on backwards Reverse the cable at the motherboard end and try again 6 Installing Add on Cards There are a few rules you need to follow when plugging in a card In order to assure proper operation and a quick ...

Page 26: ...in important information which will help you install the components right the first time 7 Connecting PS 2 USB Serial Parallel Devices This board includes ports for USB Ethernet PS 2 mouse and PS 2 keyboard devices Note that for this board the mouse port is the upper PS 2 port and the keyboard port is the lower PS 2 port The PS 2 connectors are probably quite familiar to you The USB connectors how...

Page 27: ...approved cables 8 Connecting the Power Supply The Tomcat i810ef requires an ATX power supply Tyan recommends using one that conforms to industry standard revision 2 01 The photos below show the ATX power connector before Figure 2 12 and after Figure 2 13 it has been plugged in The plastic clip on the power connector should lock over the plastic tab on the onboard connector You shouldn t be able to...

Page 28: ...nflict in ess IRQ or DMA If you are using Windows 98 2000 the Device Manager is a good place to start Please consult your operating system manual for details Second of all slowing down the memory timing in the BIOS s chipset setup section will help the situation as well Many memory modules are not suitable for high perfor mance systems and are probably the main source of your problem Q Where can I...

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Page 30: ... Exit System Date Sat Jan 1 2000 Setup Help System Time 12 55 37 Month Jan Dec Floppy Drive A 1 44 MB 3 Day 01 31 Floppy Drive B Not Installed Year 1901 2099 Primary IDE Master Auto Primary IDE Slave Auto Secondary IDE Master Auto Secondary IDE Slave Auto Auto Detect Hard Disks Enter Boot Sector Virus Protection Disabled Previous Item Next Item Select Menu ESC Exit Enter Select F5 Setup Defaults F...

Page 31: ... Standard Setup menu screen is shown below H XQFWLRQ 7DE 0RYHV IURP RQH ER WR WKH QH W UURZ NH V KDQJHV VHOHFWLRQV ZLWKLQ D ER QWHU 2SHQV KLJKOLJKWHG VHOHFWLRQ AMI BIOS EASY SETUP UTILITY Ver 1 17 c 1998 American Megatrends Inc All Rights Reserved Main Advanced Security Exit System Date Sat Jan 1 2000 Setup Help System Time 12 55 37 Month Jan Dec Floppy Drive A 1 44 MB 3 Day 01 31 Floppy Drive B N...

Page 32: ...ry Master Secondary Slave Select these options to configure the various drives A screen with a list of drive parameters appears System Date Setting MM DD YY Jan 1 2000 System Time Setting Current Time 12 00 00 OPTIONS Not Installed 360 KB 5 1 2 MB 5 720 KB 3 1 44MB 3 2 88MB 3 AMI BIOS EASY SETUP UTILITY Ver 1 17 c 1998 American Megatrends Inc All Rights Reserved Main IDE Device Configuration AUTO ...

Page 33: ...h t f i B M 0 4 5 t c e l e S e d o M k c o l B t c e l e S n O s r e f s n a r t a t a d e d o m k c o l b w o l l a o t t c e l e S e d o M t i B 2 3 t c e l e S n O t c e l e S s r e f s n a r t a t a d t i b 2 3 w o l l a o t e h t e d o M O I P t c e l e s o t t s e b s i t I o t u A o t S O I B I M A w o l l a o t t o n s i t a h t e d o m O I P a t c e l e s u o y f I e d o m O I P e h t e ...

Page 34: ... i t a s n e p m o c e r P e t i r W P W k c a r t e h t s a r e l l a m s y l e v i s s e r g o r p s t e g r o t c e s a f o e z i s l a c i s y h p l a u t c a e h T e t i r W s e t y b 2 1 5 d l o h l l i t s t s u m r o t c e s h c a e t e Y s e h s i n i m i d r e t e m a i d l a c i s y h p e h t r o f s e t a s n e p m o c k s i d d r a h e h t n o y r t i u c r i c n o i t a s n e p m o c...

Page 35: ...ptimal default values provide optimum performance settings for all devices and system features Fail Safe Defaults The Fail Safe default settings consist of the safest set of parameters Use them if the system is behaving erratically They should always work but do not provide optimal system performance characteristics AMI BIOS EASY SETUP UTILITY Ver 1 17 c 1998 American Megatrends Inc All Rights Res...

Page 36: ... CMOS setup Plug and Play Setup Enter for configuring system Peripheral Setup Enter options Change Language Setting English Previous Item Next Item Select Menu ESC Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit 6HWWLQJ 2SWLRQ 2SWLP DO HIDXOW DLO 6DIH HIDXOW Quick Boot Enabled Enabled Primary M aster ARM D Emulated as Auto Auto Primary Slave ARM D Emulated as Auto Auto Seconda...

Page 37: ...s e r p n e e b s a h y e k e h t f i p u t e S S O I B I M A s n u r d n a s s e r p y e k l e D a r o f s k c e h c S O I B I M A d e l b a n E B M 1 e v o b a y r o m e m m e t s y s t s e t t o n s e o d S O I B I M A l a n g i s Y D A E R a f I e v i r d k s i d d r a h E D I e h t m o r f l a n g i s Y D A E R a r o f s d n o c e s 0 4 o t p u t i a w t o n s e o d S O I B I M A t o n s e o ...

Page 38: ...es or No InitialDisplayMode This option specifies the initial display mode when the system boots The settings are DisplayModeatAdd OnROMInit This option specifies the system display mode that is set at the time that AMIBIOS POST initializes an optional option ROM The settings are FloppyAccess Control This option specifies the read write access that is set when booting from a floppy drive The setti...

Page 39: ...or attached to the computer The settings areAbsent VGA EGA CGA40x25 CGA80x25 or Mono Password Check This option enables password checking every time the system boots or when you run AMIBIOS Setup If Always is chosen a user password prompt appears every time the computer is turned on If Setup is chosen the password prompt appears ifAMIBIOS is executed Boot To OS 2 Set this option to Yes if you are ...

Page 40: ... v e h t f o s t n e t n o c e h T n o i t u c e x e r e t s a f r o f M A R d e h c a C n a c d n a M A R o t M O R m o r f d e i p o c e r a h F F F 7 C h 0 0 0 C m o r f a e r a M O R o e d i v e h t f o s t n e t n o c e h T y r o m e m e h c a c m o r f d a e r r o o t n e t t i r w e b g n i t t e S n o i t p i r c s e D d e l b a s i D M A R o t d e i p o c t o n e r a M O R o e d i v e h t...

Page 41: ...wer Management Setup Enter Advanced Chipset setup Plug and Play Setup Enter for configuring Peripheral Setup Enter chipset features Change Language Setting Engish Previous Item Next Item Select Menu ESC Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit 6HWWLQJ 2SWLRQ 2SWLP DO H IDXOW DLO 6DIH H IDXOW USB Function Enabled Enabled USB KB M ouse Legacy Support Disabled Disabled CPU...

Page 42: ...6H WWLQ J 2S WLR Q 2S WLP DO H IDX OW DLO 6DIH H IDX OW D isplay Cache Windo w Size 64M B 64M B C P U Freq Select So ftware So ftware C P U Freq R atio x4 x4 Initialize D isplay C ache M em o ry Enabled Enabled P aging M o de C o ntro l Open Open R A S to C A S D efault D efault C A S Latency Fast Slo w R A S Tim ing Fast Slo w R A S P recharge Tim ing Fast Slo w IC H D eco de Select Subtractive S...

Page 43: ...f the DRAM cycle time in SCLKs The settings are 7 SCLKs or 8 SCLKs AddrSetupTime This option specifies the address set up time in SCLKs If set to Enabled a new address is set up in the same clock cycle that asserts CS If set to Disabled CS is asserted in the clock cycle after the address was issued CAS Latency This option specifies the number of SCLKs between the time when the Read command is samp...

Page 44: ...o Enabled The settings are Close or Open Set this option to Open to open paging mode RAS to CAS This option is only available if the Initialize Display Cache Memory option is set to Enabled The settings are Override or Default If set to Override the RAS to CAS delay override is fixed at 2 clocks If set to Default the delay is determined by the CL bit CASLatency This option is only available if the...

Page 45: ...led to enable delayed ICU transactions The settings are Enabled or Disabled ICHDCBEnable Set this option to Enabled to enable ICU DCB The settings are Enabled or Disabled MemoryDetectionMode Some memory chips have incorrect SPD information We provide an option which bypasses the SPD and uses the BIOS to auto size and program the memory controller CPUClockFrequency This feature allows the user to a...

Page 46: ...g power Peripheral Setup Enter management features Change Language Setting English Previous Item Next Item Select Menu ESC Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit Chapter 3 BIOS Configuration 6HWWLQJ 2SWLRQ 2SWLP DO HIDXOW DLO 6DIH HIDXOW Power M anagement M ode APM APM Suspend Time Out M inute Disabled Disabled Power Button M ode On Off On Off CPU Sleep Pin Enable Ena...

Page 47: ...s is used The settings are shown in the table below 6HWWLQJ 2SWLRQ 2SWLP DO HIDXOW DLO 6DIH HIDXOW 9 1 60 1 21752 6 7LP HU 2YHUI ORZ QDEOH LVDEOHG LVDEOHG 7KHUP DO 60 QDEOH LVDEOHG LVDEOHG 30 60 QDEOH LVDEOHG LVDEOHG 6 60 7LP HU QDEOH LVDEOHG LVDEOHG 7 2 RJLF 60 QDEOH QDEOHG QDEOHG 9 1 5 6285 9 17 21752 6 57 5HVXP H LVDEOHG LVDEOHG 57 ODUP DWH 57 ODUP RXU 57 ODUP 0LQXWH 57 ODUP 6HFRQG 86 RQWUROOHU...

Page 48: ... hard disk drive enters after the specified period of hard drive inactivity has expired The settings are Disabled Stand By or Suspend Hard Disk Time Out Minute This option specifies the length of a period of hard disk drive inactivity When this length of time expires the computer enters power conserving state specified in the Hard Disk Power Down Mode option see the previous page The settings are ...

Page 49: ...SMI The settings are Enabled or Disabled RTC Resume If Enabled this option allows you to set an hour and minute for the system to resume wake up The next two fields allow you to choose the wake up time Note that the time fields will not be available if this option is set to Disabled In order for this wake up function to work the system must have been brought up at least past the POST before it was...

Page 50: ...equires anATX 2 01 compliant power supply with 5V standby STB5V current of at least 800mA The settings are Enabled or Disabled SuspendtoRAM Support Under the Windows 98 and Window 2000 ACPI mode default when a system goes into Standby it becomes suspend to RAM also known as a S3 State This option allows Windows to go to S1 state instead of S3 for standby In the BIOS default setting S3 Standby is e...

Page 51: ...eripheral Setup Enter Change Language Setting English Previous Item Next Item Select Menu ESC Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit 6HWWLQJ 2SWLRQ 2SWLP DO HIDXOW DLO 6DIH HIDXOW Plug and Play Aware O S Yes No PCI Latency Timer PCI Clocks 64 64 PCI VGA Palette Snoop Disabled Disabled Allocate IRQ to PCI VGA Yes Yes PCI IDE BusM aster Disabled Disabled OffBoard PCI ID...

Page 52: ...evices operating on different buses can handle data from the CPU on each set of palette registers on every video device Bit 5 of the command register in the PCI device configuration space is the VGA Palette Snoop bit 0 is disabled For example if there are two VGA devices in the computer one PCI and one ISA and this field is set for DMA Channel 1 PnP PnP DMA Channel 3 PnP PnP DMA Channel 5 PnP PnP ...

Page 53: ... compliant PCI IDE adapter cards OffBoardPCIIDEPrimaryIRQ This option specifies the PCI interrupt used by the primary IDE channel on the offboard PCI IDE controller The settings are Disabled Hardwired INTA INTB INTC orINTD OffboardPCIIDESecondaryIRQ This option specifies the PCI interrupt used by the secondary IDE channel on the offboard PCI IDE controller The settings are Disabled Hardwired INTA ...

Page 54: ...ard I O are configured as PCI PnP IRQ12 only appears if the Mouse Support option in Advanced Setup is set to Disabled IRQ14 and 15 will not be available if the onboard PCI IDE is enabled If all IRQs are set to ISA EISA and IRQ14 and 15 are allocated to the onboard PCI IDE IRQ9 will still be available for PCI and PnP devices because at least one IRQ must be available for PCI and PnP devices The set...

Page 55: ...r Management Setup Enter Configure PCI Plug Plug and Play Setup Enter and Play features Peripheral Setup Enter Change Language Setting English Previous Item Next Item Select Menu ESC Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit BIOS 6HWWLQJ 2SWLRQ 2SWLP DO HIDXOW DLO 6DIH HIDXOW KBC Clock Rate Disabled Disabled Keyboard Wake up Function Enabled Enabled M ouse Wake up Functi...

Page 56: ... base I O port address of the Game Port The settings are Disabled 201h and 209h Default is 201h CPU CurrentTemperature Vcore CPU Vcc 3 3V Vcc 5V Vcc 12V Vcc 12V Vcc 5V CPU Fan Speed Chassis Fan Speed These settings display the current state of the above Settings are not selectable OnboardFDC Set this option to Enabled to enable the floppy drive controller on the mother board The settings are Auto ...

Page 57: ...llel Port Mode option is set to ECP and the OnBoard Parallel Port option is set to 378 278 or 3BC This option sets the DMA channel used by the parallel port The settings are 0 through 7 in increments of one g n i t t e S n o i t p i r c s e D l a m r o N d e s u s i e d o m t r o p l e l l a r a p l a m r o n e h T r i D i B t r o p l e l l a r a p e h t n o s r e f s n a r t l a n o i t c e r i d...

Page 58: ... the onboard IDE controller The settings are Disabled Primary Secondary or Both CPU CurrentTemperature VIN 0 6 CPU Fan Chassis Fan Optional The status of these settings are detected automatically via the chipset and are displayed on the screen These settings are available on some versions of the motherboard ...

Page 59: ...nfirm it If the two passwords do not match you will be prompted to enter a new pass word and then to confirm it This will continue until you enter the same series of characters both times Once this is accomplished a dialog box will appear and notify you that the Supervisor Password has been installed You may then select the User Security option and enter a password for the user You can enter a new...

Page 60: ...ntly the BIOS Setup program is available only in English Flash Writer Utility 1 If you want to flash BIOS without updating the boot block do this Type flash4mb followed by the BIOS file name Example FLASH4MBBIOSFILE ROM 2 If you want to flash BIOS with boot block update do this i Shutdown system close JP3 to disable the boot block protection Then boot system to DOS ii Type flash4mb followed by ENT...

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Page 62: ...cess are communicated through a series of audible beeps IfAMIBIOS POST can initialize the system video display it displays the error message Displayed error messages in most cases allow the system to continue to boot Displayed error messages are described on pages 64 65 See the top of the next page for the beep code chart ...

Page 63: ... B K 4 6 e s a B B K 4 6 t s r i f n i e r u l i a f y r o m e M 4 l a n o i t a r e p O t o N r e m i T t o n s i 1 r e m i T r o y r o m e m f o B K 4 6 t s r i f e h t n i e r u l i a f y r o m e m A g n i n o i t c n u f 5 r o r r E r o s s e c o r P r o r r e n a d e t a r e n e g U P C e h T 6 e r u l i a F 0 2 A e t a G 2 4 0 8 e d o m d e t c e t o r p o t h c t i w s t o n n a C 7 r o r r...

Page 64: ... d s i y r o m e m e h c a C r o r r E r e m i T 2 H C 2 r e m i t n i r o r r e n a s i e r e h T s r e m i t o w t s a h m e t s y s T A n A e t a t S y r e t t a B S O M C w o L e h t e c a l p e R w o l s i r e w o p y r e t t a b e h T y r e t t a b a y b d e r e w o p s i M A R S O M C y r e t t a b m u s k c e h C S O M C e r u l i a F p u t e S S O I B N I W n u R e u l a v s u o i v e r p...

Page 65: ...e k s i d e h t d a e r n a c S O I B I M A s n o i t c u r t s n i n e e r c s e h t w o l l o f d n a e t t e k s i d t o o b r e h t o n a e s U t i h t i w m e t s y s s I d r a o b y e K t I k c o l n U d e k c o L e b t s u m m e t s y s e h T d e g a g n e s i m e t s y s e h t n o k c o l d r a o b y e k e h T t o o b o t e u n i t n o c o t d e k c o l n u r o r r E d r a o b y e K r e l ...

Page 66: ...smission during both the rising and falling ends of the clock cycle yielding an effective speed of 133MHz AMR Audio Modem Riser is a modem that can be used on Intel Reference Motherboard platforms using Intel s core logic chipsets supporting AC Link 2 1 It supports fax and all data feeback modes It provides high speed communicstions between your perosn al computer and a remote location such as an ...

Page 67: ... from a disk drive a single time is much faster than doing so repeatedly there is the possibility of losing your data should the system crash Informa tion stored in a buffer is temporarily stored not permanently saved A bus is a data pathway The term is used especially to refer to the connection between the processor and system memory and between the processor and PCI or ISA local buses Bus master...

Page 68: ...use the physical slot and the logical unit are the same That is one DIMM module fits into one DIMM socket which is capable of acting as a memory bank DMA Direct Memory Access channels are similar to IRQs DMAchannels allow hardware devices like sound cards or keyboards to access the main memory without involving the CPU This frees up CPU resources for other tasks As with IRQs it is vital that you d...

Page 69: ...ernal connector type of the PCB personal computer board or motherboard The standard form factors are the AT and ATX although TYAN also makes some Baby AT boards AGlobal timer is an onboard hardware timer such as the Real Time Clock Handshaking is a form of encryption One system typically the server sends an encryption scheme to another agent typically a client Thus the client s data is protected d...

Page 70: ...is volatile OEMs Original Equipment Manufacturers like Compaq or IBM package other companies motherboards and hardware inside their case and sell them The parallel port transmits the bits of a byte on eight different wires at the same time that is in parallel form eight bits at the same time PCI stands for Peripheral Component Interconnect PCI is a 32 bit local bus data pathway which is faster tha...

Page 71: ...echnically referring to a type of memory where any byte can be accessed without touching the adjacent data is often used to refer to the system s main memory This memory is available to any program running on the computer ROM Read Only Memory is a storage chip which contains the BIOS Basic Input Output System the basic instructions required to boot the computer and start up the operating system SD...

Page 72: ...tem cannot take advantage of the higher data transmission rates of the new UltraATA hard drives Universal Serial Bus or USB is a versatile port This one port type can function as a serial parallel mouse keyboard or joystick port It is fast enough to support video transfer and is capable of supporting up to 127 daisy chained peripheral devices VGA Video Graphics Array is the PC video display standa...

Page 73: ...into an outlet on a circuit different from that of the receiver Consult the dealer or an experienced radio television technician for help NoticeforCanada This apparatus complies with the Class B limits for radio interference as specified in the Canadian Department of Communications Radio Interference Regulations Cet appareil est conforme aux normes de Classe B d interfer ence radio tel que spécifi...