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53

Parallel ATA

Disabled
Channel 0
Channel 1
Both

Enable the PATA.

Serial ATA

Disabled
Enabled

Enable the SATA.

Native Mode Operation

Auto
Parallel ATA
Serial ATA
Both

Choose Native Mode for ATA.

Note: Certain OS is not
supported under native mode.

Legacy USB Support

Disabled
Enabled

Enable support for Legacy
Universal Serial Bus

Special Explanation regarding Native Mode, Serial ATA and Parallel ATA:

In native mode, devices are assigned by PCI; it can support up to six devices, four on Parallel ATA, two on
Serial ATA. Native mode is the default BIOS selection. It is represented by “Parallel ATA = BOTH“,
“Serial ATA = Enabled“ and “Native Mode Operation = Both”.
LH500 also supports legacy mode where devices are assigned by I/O, IRQ. Legacy mode can support up to
4 devices. Legacy mode is enabled by a combination of selections on Native Mode Operation, Serial ATA
and Parallel ATA items.
The following list shows the various combinations for legacy mode:
1.

“Parallel ATA = BOTH”, “Serial ATA = “Disabled”: in this combination, Parallel ATA supports all
four devices on channel 0 and 1.

2.

“Parallel ATA = channel 0”, “Serial ATA = Enabled”, “Native Mode Operation = Auto”: in this
combination, Parallel ATA supports two devices on channel 0 and Serial ATA supports two devices.

3.

“Parallel ATA = channel 1”, “Serial ATA = Enabled”, “Native Mode Operation = Auto”: in this
combination, Parallel ATA supports two devices on channel 1 and Serial ATA supports two devices.

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Summary of Contents for Arima LH500

Page 1: ...1 LH500 USER MANUAL Arima Computer Corp Building Your Competitive Advantage ...

Page 2: ...2 3 2 Installing DIMM modules 22 2 4 JUMPERS CONFIGURATION 24 2 4 1 Clear CMOS header 24 2 4 2 Enable onboard VGA header 25 2 4 3 PCI X Slot 1 Jumper Setting 26 2 4 4 PCI X Slot 2 Jumper 27 2 4 5 PCI X Slot 5 Jumper 28 2 4 6 LAN 82546GB 29 2 5 POWER SUPPLY 30 2 5 1 ATX 24 pin power connector 30 2 5 2 ATX 8 pin power connector 32 2 6 CABLES CONNECTORS 33 2 6 1 Floppy disk drive connector 33 2 6 2 I...

Page 3: ...uration Sub Menu 57 3 5 5 Console Redirection Sub Menu 58 3 5 6 IPMI Sub Menu 59 3 6 SECURITY MENU 61 3 7 POWER MENU 62 3 8 BOOT MENU 64 3 9 EXIT MENU 65 Saving Changes 65 Exit Discarding Changes 65 Load Setup Defaults 65 Discard Changes 66 Save Changes 66 3 10 ABOUT THE BOOT UTILITIES 67 3 10 1 Using Phoenix QuietBoot 67 3 10 2 Phoenix MultiBoot 69 3 11 BIOS FLASH UPGRADE UTILITY 70 3 11 1 Execut...

Page 4: ...Copyright Notice This document contains proprietary information that is protected by copyright All rights are reserved No part of this publication may be reproduced transcribed stored in a retrieval system translated into any language or computer language or transmitted in any form whatsoever without the prior written consent of Arima Computer Corp We reserve the right to make changes to this docu...

Page 5: ... website can be found at http www arima com tw Or contact our support staff at server arima com tw About this User Guide This manual contains some special icons that accompany special sections that are meant to help you along in the installation process The special sections contain useful and or critical information that you should know Watch for these icons as you read through the manual Type of ...

Page 6: ... it or trip over it Always unplug the power cord when performing installation Do not have liquid nearby as electrical shock can occur if liquid spills onto the equipment Pay attention to the warnings in the installation instructions when appropriate In the following cases do not try to fix the problem yourself contact a party in Technical Support The power cord or plug is damaged Liquid has been s...

Page 7: ...ell providing the most efficient bus management to date It provides versatility performance value and dependability for today s computing environment In just a couple of pages a detailed specification will provide you with a comprehensive view of the capabilities of LH500 Thank you for purchasing Arima Computer Corp family of products 1 2 Unpacking Arima Computer Corp provides a number of accessor...

Page 8: ...Yellow Activity BLINK Remark LH500 B without SATAII Controller LH500 V without 1 PXH_2 2 PCI X Slot 3 4 and 5 3 CN9 PCI X Slot 5 Speed Select Jumper CN3 CN4 Memory Frequency Select Jumper FSB Memory CN3 CN4 Any Default Auto 1 2 1 2 533MHz DDR266 Open 2 3 533MHz DDR333 2 3 2 3 667MHz DDR266 Open Open 667MHz DDR333 Open 2 3 800MHz DDR266 Open Open 800MHz DDR333 2 3 2 3 CN42 Front Panel Connectors Re...

Page 9: ...EXPANSION SLOTS Supports both PCI Express X8 and PCI Express X4 and 64 bit PCI X slots STORAGE Total support of hard disk formats from SATA II to SATA to ATA INTEGRATED LAN CONTROLLER Dual Gigabit Ethernet Ports ONBOARD VGA CHIP Integrated 8MB ATI RAGE XL PCI graphics SYSTEM MANAGEMENT SMBIOS 2 3 3 and DMI 2 0 compliant 64 bit OS ready Soft Power down Multiple boot support with BIOS Boot Specifica...

Page 10: ... Slots One PCI Express X8 slot One PCI Express X4 1U slot For 1U and 2U riser card Five independent PCI X PCI buses LH500 F LH500 B Three independent PCI X PCI buses LH500 V Three 64 bit 133 100 66MHz 3 3V and Two 64 bit 100 66MHz 3 3V PCI X slots LH500 F LH500 B Two 64 bit 133 100 66MHz 3 3V PCI X slots LH500 V One 32 bit 33MHz 5V PCI slot Total of seven usable slots LH500 F LH500 B Total of four...

Page 11: ...o 9 pin serial ports one rear panel connector and one header Two fan connector RPM monitoring Rear Panel I O One DB15 Video connector Stacked PS 2 mouse and PS 2 keyboard rear panel connectors Stacked two USB 2 0 connectors One stacked RJ 45 connectors with LEDs One 9 pin serial connector BIOS 8Mb Phoenix BIOS Legacy USB support MP 1 1 1 4 compliant SMBIOS 2 3 3 and DMI 2 0 compliant Soft Power do...

Page 12: ...am indicates all the major components of the motherboard Alternative use of PCI X Slot 2 For the LH500 V model PCI X Slot 2 can be used for 1U 2U riser card and Adaptec ZCR zero channel RAID card For the LH500 F model PCI X Slot 2 can be used for Adaptec ZCR card ...

Page 13: ... motherboard An ADM 1026 chip is used to provide dedicated monitoring of voltages temperatures and fan RPM Specifically it monitors CN30 and CN48 s voltages CPU1 and CPU2 s temperatures and finally CN36 and CN39 s RPM A Super I O chip provides fan RPM monitoring for CN32 and CN34 ...

Page 14: ...tion Take care NOT to scrape the bottom of the ServerBoard on the chassis stand offs and mounting holes These components are necessary for many different operations including the Mouse and the Keyboard If you damage any of these chips one of the symptoms is that the ServerBoard will NOT respond to key strokes through the PS 2 port and the ServerBoard will have to be replaced Other symptoms include...

Page 15: ... be unpredictable Procedure First read the instructions that comes with the CPU Then consult the following the instructions which is specific to the installation for 1U system 1 Flip over the motherboard and install the backplate There are four holes around each CPU socket align the backplate with the four holes around the CPU socket insert the backplate from the back of the motherboard through th...

Page 16: ...ver some parts of it that prevents electrical damage Whenever possible use high quality backplates to prolong the life of your motherboard 2 Lift up the lever and locate the triangle marking on the CPU and CPU socket Refer to the following picture ...

Page 17: ...n B as shown in the following pictures The lever is still up and the two triangles are in the same corner The CPU will not fit if the orientation is wrong Do not try to force the CPU into the socket it could result in irreparable damage to the CPU ...

Page 18: ...th the four bolts of the chassis We do not recommend you to apply thermal grease at this point of the installation The heatsink provided already has thermal grease on the bottom for your convenience Do not apply more thermal grease if it is already present Too much thermal grease will spill onto the CPU circuit and damage the CPU ...

Page 19: ...e top of the CPU and socket Align the screws of the heatsink with the four holes of the backplate and the chassis bolts then fasten them securely Repeat the steps for the installation of another CPU Heatsink not included in the package ...

Page 20: ...ing DDR 333 266 As indicated on the diagram they are running on dual channel memory bus and two way interleaved memory banks Therefore the memory must be INSTALLED IN PAIRS The first pair must be installed in the 1st _Pair_A and 1st _Pair_B locations as indicated in the diagram The second pair must be installed in the 2nd _Pair_A and 2nd _Pair_B locations and so on Be sure that every memory pair i...

Page 21: ...r slots Table 1 Memory Configuration 3rd _Pair 2nd _Pair 1st _Pair 1 pair of single rank single rank 1 pair of dual rank dual rank 2 pairs of single rank single rank single rank 1 pair of single rank 1 pair of dual rank dual rank single rank 2 pairs of dual rank dual rank dual rank 3 pairs of single rank single rank single rank single rank 2 pairs of single rank 1 pair of dual rank dual rank singl...

Page 22: ...22 2 3 2 Installing DIMM modules 1 Open up the brackets 2 Line up the memory with socket Make sure the gap fits into the socket ...

Page 23: ...Push in the memory stick until bracket can be closed securely onto the stick Make sure the brackets hold onto the memory module These pictures only show one memory stick but remember to install them in pairs ...

Page 24: ...otherboard as it appears in the following diagram Pin 1 is on the side of PCI slots whereas pin 3 is on the side of the power supply connectors To clear CMOS 1 Turn off the system 2 Short pin 2and pin 3 using a jumper for a few seconds 3 Take out the jumper 4 Turn on the system and reconfigure the BIOS ...

Page 25: ...5 2 4 2 Enable onboard VGA header Header CN25 controls the onboard VGA setting When CN25 is open no jumper VGA is enabled When CN25 is on VGA is disabled Refer to the following diagram for CN25 location ...

Page 26: ... is open slot 1 is set to 133MHz When CN8 is on slot 1 is set to 100MHz The frequencies describe here are maximum operating frequencies If PCI X channel is shared with other devices then maximum operating frequency cannot be achieved Refer to the following diagram for the location of CN8 ...

Page 27: ...no jumper slot 2 is set to 133MHz When CN7 is on slot 2 is set to 100MHz The frequencies describe here are maximum operating frequencies If PCI X channel is shared with other devices then maximum operating frequency cannot be achieved Refer to the following diagram for the location of CN7 ...

Page 28: ...no jumper slot 5 is set to 133MHz When CN9 is on slot 5 is set to 100MHz The frequencies describe here are maximum operating frequencies If PCI X channel is shared with other devices then maximum operating frequency cannot be achieved Refer to the following diagram for the location of CN9 ...

Page 29: ... 6 LAN 82546GB Header CN49 controls the LAN 82546GB activation When CN49 is open no jumper LAN 82546GB is enabled When CN49 is on LAN82546GB is disabled Refer to the following diagram for the location of CN49 ...

Page 30: ...s The 24 pin connector provides power to the motherboard and the 8 pin connector provides power to the CPU So both must be connected for the system to run properly Be sure to plug the power supply connector in the right direction Failure to do so could cause damage to the motherboard Make sure your power supply can support at least 2 amps standby power for the Advanced Configuration and Power Inte...

Page 31: ...31 Make sure the AC adapter is not plugged into the wall outlet during installation The electric current could damage the motherboard ...

Page 32: ...32 2 5 2 ATX 8 pin power connector The 8 pin connector provides dedicated power to the CPU Refer to the following diagram for its location and configuration ...

Page 33: ...ent floppy drives on the market require that the cable be installed with the colored stripe positioned next to the power connector In most cases there will be a key pin on the cable which will force proper connection of the cable The motherboard supports only one floppy connector but the connector can support up to two floppy drives Below are some symptoms of incorrectly installed floppy drives Wr...

Page 34: ...al cable Also check to see if the onboard floppy controller is enabled in the BIOS setup Drive Fail message at boot up The cable floppy drive or motherboard may be faulty Try another drive or cable to verify Drive does not power on Check power cable and cabling Maybe a bad power supply or drive cable problem Drive activity light is constantly on Usually signifies that the cable on the drive is on ...

Page 35: ...he user to the correct installation configuration Each IDE connector can support two IDE drives For the first IDE drive you want to use the Pri_IDE connector setting the drive to Master For the second IDE drive you can either use the connector in which case the second IDE drive should be set to Slave or you use the Sec_IDE connector in this case set the second IDE drive to Master Remember to set B...

Page 36: ...n the corner of the pin block Pin 2 is located closer to the outer edge of the motherboard than pin 1 Pin 34 is closer to the outer edge of the motherboard than pin 33 The red indicates the anode or the 5V The opposite pin then indicates the cathode or the ground ...

Page 37: ... function 5 VSB This connector provides the user with power to any extra devices that uses 5 volt power Cooling Fault LED This connector connects to the LED that lights up when a problem arises with cooling system System Fault LED This connector connects to the LED that lights up when a problem arises with the system LAN 1 Activity LED This connector connects to the LED that lights up when there i...

Page 38: ...ndard AT size large DIN keyboard plugs You may use a DIN to mini DIN adapter on standard AT keyboards USB Port 1 2 Two external USB 2 0 ports that allow simultaneous connections of 2 USB devices Serial Port connector 9 pin male This serial port can be used for pointing devices or other serial devices See BIOS setup VGA connector 15 pin female The VGA port connects display devices such as a monitor...

Page 39: ... CN53 control front panel LAN LED settings It allows the user to monitor LAN activities from the front of the system State of Link Link LED green Speed LED green yellow No link OFF OFF Link 10Mbps ON OFF Link 100Mbps ON Green Link 1000Mbps ON Yellow activity BLINK ...

Page 40: ...activity When link is established the LED stays on When LAN transfer is in progress the LED flashes To activate the front panel LAN LED connect the LED wires to CN52 Each front panel LAN LED requires 2 pins CN52 has 4 pins therefore supports two LAN LED connections Refer to the following diagram for the location and orientation of header CN52 ...

Page 41: ...41 2 6 7 System Speaker Connector Header CN46 controls the speaker activation To activate the system speaker connect the speaker wire to CN46 Refer to the following diagram for the location of CN46 ...

Page 42: ...nt USB connections To activate the front USB connect the two USB wire to CN23 Each USB wire requires 4 pins CN23 has 9 pins therefore supports two USB connections The one extra pin is for chassis ground use Refer to the following diagram for the location of CN23 ...

Page 43: ...43 Side A shares the same bus as USB A therefore two USB devices cannot use side A and USB A together Only one device will work at a time The same goes for Side B and USB B ...

Page 44: ...ial Port Connector Header CN29 controls the activation of front panel serial port In the specification front panel serial port is COM2 the back panel is COM1 Refer to the following diagram for location and orientation of CN29 ...

Page 45: ... industry standard BIOS The rest of the chapter will list all the menus and sub menus in the BIOS Along with them you can also find the list of possible values for any configurable item in the BIOS 3 1 ENTERING BIOS SETUP The PhoenixBIOS is activated when the system powers on The BIOS reads the system information contained in the CMOS and begins the process of checking out the system and configuri...

Page 46: ...s a 4 in front of it it means that the item leads to a sub menu Pressing Enter will take you to the sub menu PgUp Increase the numeric value or goes to the previous setting value PgDn Decrease the numeric value or goes to the next setting value Increase the numeric value or goes to the previous setting value Decrease the numeric value or goes to the next setting value F1 General help on setup navi...

Page 47: ...m cannot be booted after some changes in BIOS use the clear CMOS jumper setting to reset the BIOS to default To avoid such problem configure only the items that you thoroughly understand and refrain from modifying the default chipset settings ...

Page 48: ...efaults ESC Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the Main menu page Item Options Description System Time No options Shows the time of the day in the format of Hour Min Sec System Date No options Shows the date in the format of MM DD YYYY Legacy Diskette A Disabled 360 Kb 1 2 MB 720 Kb 1 44 1 25 MB 2 88 MB Selects flo...

Page 49: ... Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the IDE SATA sub menu page Item Options Description Type Auto None ATAPI Removable CD ROM IDE Removable Other ATAPI User User you enter parameters of hard disk drive installed at this connection Auto autotypes hard disk drive installed here 1 39 you select pre determined type of ...

Page 50: ...ve Autotype the drive to select the optimum transfer mode Ultra DMA Mode Disabled Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Selects the Ultra DMA mode used for moving data to from the drive Autotype the drive to select the optimum transfer mode All the IDE Channel sub menus and SATA sub menus have the same sub menu layout as the one shown above ...

Page 51: ...able shows the items that you can customize on the Boot Features sub menu page Item Options Description Floppy check Disabled Enabled Enabled verifies floppy type on boot disabled speeds up boot process Summary screen Disabled Enabled Display system configuration on boot Boot time Diagnostic Screen Disabled Enabled Display the diagnostic screen during boot QuickBoot Mode Disabled Enabled Allows th...

Page 52: ...on the Advanced menu page Item Options Description Multiprocessor Specification 1 1 1 4 Configures the MP specification revision level Some operating systems will require 1 1 for compatibility reasons Installed O S Other Win2000 Select the operating system installed on your system which you will use most commonly Note An incorrect setting can cause some operating systems to display unexpected beha...

Page 53: ...l ATA Enabled and Native Mode Operation Both LH500 also supports legacy mode where devices are assigned by I O IRQ Legacy mode can support up to 4 devices Legacy mode is enabled by a combination of selections on Native Mode Operation Serial ATA and Parallel ATA items The following list shows the various combinations for legacy mode 1 Parallel ATA BOTH Serial ATA Disabled in this combination Parall...

Page 54: ...ether the integrated PCI devices will be enabled in PCI config space F1 Help Select Item Change Values F9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the Advanced Chipset sub menu page Item Options Description Memory Remap Function Disabled Enabled Remap the memory which as PCI resources Memory RAS Featur...

Page 55: ...atibility Mode this PCI E Port A by setting item to the desired value F1 Help Select Item Change Values F9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the PCI Express Device Control sub menu page Item Options Description Force Compliance Mode Enabled Disabled Enable or Disable PCI E compliance mode by set...

Page 56: ...yper Threading supported Operating System Check with OS vendor for detail F1 Help Select Item Change Values F9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the Advanced Processor sub menu page Item Options Description Hyper Threading Technology Disabled Enabled Enables 2nd Logical Processor This is applica...

Page 57: ...9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the I O Device Configuration sub menu page Item Options Description Serial port A or Serial port B Disabled Enabled Auto Configure serial port using options Disabled No configuration Enabled User configuration Auto BIOS or OS chooses configuration OS controlle...

Page 58: ...he following table shows the items that you can customize on the Console Redirection sub menu page Item Options Description Com Port Address Disabled On board COM A On board COM B If enabled it will use a port on the motherboard Baud Rate 300 1200 2400 9600 19 2K 38 4K 57 6K Enables the specified baud rate Console Type VT100 VT100 8bit PC ANSI 7bit PC ANSI VT100 VT UTF8 Enables the specified conso...

Page 59: ... Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the IPMI sub menu page Item Options Description IP Address Subnet Mask Default Gateway No options Display Set IP Address Subnet Mask and Gateway System Event Logging Disabled Enabled Enable Disable IPMI event logging Disabling will still log events received via the system interface SY...

Page 60: ...YYYY DD MM YYYY YYYY MM DD Choose how you want the data field to be shown Date Separator Choose which character to use in date entries To learn more about the IPMI selections refer to a separate Arima IPMI manual for detailed usage ...

Page 61: ...s F9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu F10 Save and Exit The following table shows the items that you can customize on the Security menu page Item Options Description Supervisor Password Is Clear Set Displays the password if there is one User Password Is Clear Set Displays the password if there is one Set Supervisor Password Enter Supervisor Password controls access to the ...

Page 62: ...ed Maximum Power Savings Maximum Performance Maximum Power Savings conserves the greatest amount of system power Maximum Performance conserves power but allows greatest system performance To turn off power management choose Disabled Power Button Behavior On Off Wake Sleep Select the desired system power state after pressing power button On Off System powers off Wake Sleep System enter sleep mode I...

Page 63: ...ve to Disk After Power Failure Stay Off Last State Power On Sets the mode of operation IF an AC Power Loss occurs The two modes are Stay Off keeps the power off until power button is pressed Last State restores previous power state before loss occurred Power On turns on the system when AC power becomes available ...

Page 64: ...of hard drive PhoenixBIOS Setup Utility Main Advanced Security Power Boot Exit Item Specific Help CD ROM Drive Hard Drive ST380023AS P0 Bootable Add in Cards Removable Devices Network Boot IBA GE Slot 0330 v1216 IBA GE Slot 0331 v1216 Keys used to view or configure devices Enter expands or collapses devices with a or Ctrl Enter expands all Shift 1 enables or disables a device and moves the device ...

Page 65: ...rding to the Setup selections stored in CMOS During boot up PhoenixBIOS attempts to load the values saved in CMOS If those values cause the system boot to fail reboot and press F2 to enter Setup In Setup you can get the Default Values as described below or try to change the selections that caused the boot to fail Exit Discarding Changes Use this option to exit Setup without storing in CMOS any new...

Page 66: ...s and displays this message Setup Confirmation Load previous configuration now Yes No Select Yes and press Enter to load the previous configuration Save Changes Selecting Save Changes saves all the selections without exiting Setup Setup Confirmation Save configuration changes now Yes No Select Yes and press Enter to save configuration changes and continue working in BIOS Setup You can return to th...

Page 67: ...enix QuietBoot displays the QuietBoot Screen a graphic illustration created by the computer manufacturer instead of the text based POST screen which displays a number of PC diagnostic messages To exit the QuietBoot screen and run Setup display the MultiBoot menu or simply display the PC diagnostic messages you can simply press one of the hot keys described below The QuietBoot Screen stays up until...

Page 68: ...continues as usual Press F2 to enter Setup Press F2 at any time during POST switch to the POST screen if not already displayed and enters Setup POST issues an error message Whenever POST detects a non fatal error QuietBoot switches to the POST screen and displays the errors It then displays this message Press F1 to resume F2 to Setup Press F1 to continue with the boot Press F2 if you want to corre...

Page 69: ...F10 during the POST In response the BIOS first displays the message Entering Boot Menu and then displays the Boot Menu at the end of POST Use the menu to select any of these options Override the existing boot sequence for this boot only by selecting another boot device If the specified device does not load the operating system the BIOS reverts to the previous boot sequence Enter Setup Press Esc to...

Page 70: ...bling Memory Managers To avoid failure when flashing you must disable the memory managers that load from CONFIG SYS and AUTOEXEC BAT There are two recommended procedures for disabling the memory managers One consists of pressing the F5 key only if you are using DOS 5 0 or above and the other requires the creation of a boot diskette DOS 5 0 or later version For DOS 5 0 and later follow the two step...

Page 71: ...s phone line or other electrical path can carry Greater bandwidth results in greater speed BIOS Basic Input Output System the program that resides in the ROM chip which provides the basic instructions for controlling your computer s hardware Both the operating system and application software use BIOS routines to ensure compatibility Buffer a portion of RAM which is used to temporarily store data u...

Page 72: ...odule fits into one DIMM socket which is capable of acting as a memory bank DMA Direct Memory Access channels that are similar to IRQs DMA channels allow hardware devices like soundcards 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 do not double up devices on a single line Plug n Play devices will tak...

Page 73: ... device hooked up to each IRQ line doubling up devices on IRQ lines can lock up your system Plug n Play operating systems can take care of these details for you Latency the amount of time that one part of a system spends waiting for another part to catch up This occurs most commonly when the system sends data out to a peripheral device and has to wait for the peripheral to spread peripherals tend ...

Page 74: ...ng data alternately from one set of addresses and then the other SDRAM cuts down on the delays associated with non synchronous RAM which must close one address bank before opening the next Serial port called as such because it transmits the eight bits of a byte of data along one wire and receives data on another single wire that is the data is transmitted in serial form one bit after another Sleep...

Page 75: ...75 ZCR Zero Channel RAID ZCR card provides RAID 5 solution by working with the onboard SCSI SATA SATA II chip through special PCI X slot with Intel RAIDIOS logic thus lowering cost of RAID 5 solution ...

Page 76: ... block diagram to show the internal design of the motherboard in order to better aid you in troubleshooting This diagram shows the bus and the channel of data flow A good understanding of this diagram can help you clarify the configuration choices for your own optimization ...

Page 77: ...77 ...

Page 78: ...78 APPENDIX III FAQ ...

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