NEC POWERMATE CT 815 - RELEASE NOTES, Service And Reference Manual

Page 1: ...WER OWER OWERM M M MATE ATE ATE ATE CT 815 CT 815 CT 815 CT 815 S E R V I C E A N D R E F E R E N C E S E R V I C E A N D R E F E R E N C E S E R V I C E A N D R E F E R E N C E S E R V I C E A N D R...

Page 2: ...h such product is dependent upon factors such as system configuration customer data and operator control Since implementation by customers of each product may vary the suitability of specific product...

Page 3: ...14 Software 1 14 Preloaded Software 1 14 NEC OS Restore CD 1 15 NEC Application and Driver CD 1 15 2 System Configuration Interrupt Requests 2 2 System Interrupts 2 2 Parallel Port Interrupts 2 3 Ser...

Page 4: ...ar 3 8 Removing and Replacing an Expansion Board 3 9 DIMM Memory Module 3 11 Removing the DIMM Module 3 11 Installing the DIMM Module 3 12 Processor 3 13 Removing the Processor 3 13 Installing the Pro...

Page 5: ...11 Motion Video Controller 4 11 Integrated Audio 4 12 Resources 4 12 Memory Map 4 12 DMA Settings 4 13 5 Illustrated Parts Breakdown Ordering Parts 5 2 Field Replaceable Units 5 2 Illustrated Parts Br...

Page 6: ...Drive Specifications 9 5 Hard Drive Specifications 9 5 CD ROM Drive Specifications 9 8 DVD ROM Drive Specifications 9 8 CD RW Drive Specifications 9 9 Zip Drive Specifications 9 9 Fax Modem Board Spec...

Page 7: ...16 Installing the Device Rail in the Chassis 3 17 Replacing a Bay Cover 3 17 Removing a 5 1 4 Inch Device Bay Cover 3 19 Locating the Device Rails and Screws 3 20 Installing a 5 1 4 Inch Device for U...

Page 8: ...Disassembly Sequence 3 2 IDE Cable Configurations 3 18 Sample DIMM Upgrade Paths 4 6 System Board Components 4 7 Parallel Port Addresses 4 10 Serial Port 1 and Optional Serial Port 2 I O Addresses 4 1...

Page 9: ...re CD Section 3 Disasssembly and Reassembly provides system disassembly and reassembly procedures Each procedure is supported by disassembly illustrations Section 4 System Board includes information o...

Page 10: ...ory Module DIP dual in line package DMA direct memory access DMAC DMA controller DMI Desktop Management Interface DOS disk operating system dpi dots per inch DRAM dynamic RAM DVD digital versatile dis...

Page 11: ...PIO parallel input output pixel picture element PLCC plastic leaded chip carrier PLL phase lock loop POST Power On Self Test p p peak to peak PPI programmable peripheral interface PROM programmable R...

Page 12: ...volt Vac volts alternating current VCR video cassette recorder Vdc volts direct current VDT video display terminal VESA video electronics standards association VFC VESA compliant feature connector VG...

Page 13: ...1 System Overview Configurations Features Components Software...

Page 14: ...Build choices include enhanced intelligent device electronics EIDE hard drives ranging from 10 gigabytes GB to 30 GB and higher All drives feature Ultra DMA 66 100 System memory is provided in 64 meg...

Page 15: ...on 815E chipset Diskette Drive 3 5 inch 1 44 MB Power Supply 235 watt Keyboard Win 95 enhanced PS 2 compatible Mouse 3D button mouse PS 2 compatible CD ROM Drive 48X maximum variable speed or higher...

Page 16: ...ef descriptions of the features follow the figure PowerMate CT 815 Minitower Front Features A USB Port F Power Sleep Button B CD ROM or DVD ROM Drive G Power Sleep Lamp C 5 1 4 Inch Bay H Disk Activit...

Page 17: ...ce into the port Two additional USB ports are at the rear of the system CD ROM Drive use the variable speed CD ROM drive to load and start programs from a CD The CD ROM drive can also be used to play...

Page 18: ...item follow the figure See the next two sections for information about the connectors and the power supply See Expansion Boards in Section 3 for information about expansion board slots See Security F...

Page 19: ...Out C USB Port I VGA Connector D Parallel Port J Serial Port 1 E MIDI Game Port K USB Port F Microphone In PowerMate CT 815 Desktop Rear Features A Power Supply E System Board Connectors B Keyboard Mo...

Page 20: ...an expansion board slot Fax modem ports some systems come with a V 90 rated PCI fax modem board The fax modem board allows the connection of a phone line to the computer for fax and data communicatio...

Page 21: ...DVD ROM drive and another 5 1 4 inch device two accessible 3 1 2 inch slots one of which contains the 1 44 MB diskette drive internal drive bracket with three 3 1 2 inch internal device slots one of w...

Page 22: ...figuration for further information on setting and using passwords Windows network security features The Windows network security feature is available through the Windows operating system Check the Win...

Page 23: ...are on the system board For information on the external connectors see External Connectors earlier in this section The system board supports one diskette drive and up to four IDE devices such as hard...

Page 24: ...he system board There are no switches or jumpers that need to be set and the diskette drive is terminated Diskette drive specifications are given in Section 9 Specifications Hard Drive All systems shi...

Page 25: ...es An IDE cable connects the CD ROM drive to the secondary IDE channel on the system board The drive is connected as the master device on the secondary channel CD ROM jumper settings are included in S...

Page 26: ...CNR network board AGP Video Board Some systems might come with a 4X AGP video board Connect the monitor to the VGA connector on this board Software NECC provides a variety of applications and hardwar...

Page 27: ...emote starts from a server computer using Wake On LAN and remote reboot NEC OS Restore CD The system comes with an NEC OS Restore CD and bootable diskette Should a problem occur that causes data loss...

Page 28: ...onfiguration Interrupt Requests Jumper Settings BIOS Setup Utility Hard Drive Security Flash Utility NEC INFO Center NEC Application and Driver CD NEC OS Restore CD Intel Processor Serial Number Contr...

Page 29: ...lowing paragraphs list the system interrupts IRQs parallel interrupts and serial interrupts See Section 4 System Board for parallel and serial addresses System Interrupts The system has 16 IRQs IRQ 0...

Page 30: ...Mouse IRQ13 Numeric Data Processor IRQ14 Intel 82801BA Bus Master IDE Controller IRQ14 Primary IDE Controller dual fifo IRQ15 Intel 82801BA Bus Master IDE Controller IRQ15 Secondary IDE Controller dua...

Page 31: ...COM4 IRQ04 Jumper Settings Jumpers on the boards and devices in the system are used to set the system configuration Boards and devices using jumpers include system board hard drive CD ROM drive The f...

Page 32: ...for restoring the CMOS settings to the factory state Descriptions for each JP18 jumper setting are provided in the following table CMOS Clear Jumper JP18 Settings Function Jumper Pins Description Nor...

Page 33: ...ear USB device wakeup jumper block JP1 is a three pin jumper block for enabling or disabling the rear USB port Descriptions for each JP1 jumper setting are provided in the following table Rear USB Dev...

Page 34: ...on Jumper Pins Description Enable STR Jumpered Factory setting Enables Save to RAM STR function In STR mode the system saves to memory all configuration information and all running programs When the s...

Page 35: ...ory with the correct system parameters for the configuration Unless you add optional hardware you do not need to run the BIOS Setup Utility to operate the system However you might want to run the Setu...

Page 36: ...n Esc Exits the menu Enter Executes command or brings up a submenu F1 Press this key on any menu for help F5 Loads the default values F6 Selects setup original values F10 Saves changes and exits the B...

Page 37: ...Enter to move between hour minute and second fields Example 09 30 50 Floppy Drive A Not Installed 360 KB 5 1 4 1 2 MB 5 1 4 720 KB 3 1 2 1 44 MB 3 1 2 2 88 MB 3 1 2 Floppy Drive B Not Installed 360 KB...

Page 38: ...he value in the field is auto detected and the field is read only Fast Programmed I O Modes Auto 0 5 Use these settings to configure the Advanced PIO Mode 32 Bit Transfer Mode On Off When On allows 32...

Page 39: ...ng No prevents clearing out the DMI events logs Event Logging Enabled Disabled Selecting Enabled permits event logging Event Log Validity Status only Press Enter to view Mark DMI Events as Read Press...

Page 40: ...lect On to lock the numeric keypad on boot up Boot to OS 2 64 MB No Yes Select Yes to enable a boot to OS 2 if RAM is greater than 64 MB CPU Serial Number Enabled Disabled Controls detection of the pr...

Page 41: ...ch once places the system in sleep mode Pressing and holding the switch in for 4 seconds or more turns power off Restore on AC Power Loss Last State Power Off Power On The Power On setting automatical...

Page 42: ...to prohibit clearing of NV Ram Primary Graphics Adapter Auto Internal External AGP External PCI Allows selection of the Primary Graphics Adapter as an add on board or as an onboard adapter PCI VGA Pa...

Page 43: ...Select Auto to allow the BIOS to automatically assign the parallel port to an available parallel port IRQ Parallel Port Mode EPP ECP Bi Directional Normal Use this mode to choose the operating mode o...

Page 44: ...egories automatically and monitors them accordingly Security Menu Choose the Security Menu by selecting Security in the legend bar on the Main Menu screen Other Security Menu options are available by...

Page 45: ...egend bar on the Main Menu Other Exit Menu options are available by selecting submenus Use the arrow keys to select one of the Exit Menu options and press Enter to display the submenu Explanations of...

Page 46: ...urity Menu 3 Use the down arrow key to highlight Assign HDD Password and press Enter The system prompts you to enter a master password 4 Enter a master HDD password and press Enter The system prompts...

Page 47: ...ed the system prompts you to enter the master password and then a new user password Moving the Hard Drive When a password protected hard drive is moved from its original system and installed in anothe...

Page 48: ...ort services User s Guide Use this module to get quick access to basic information about your system Questions Look in this module to get answers to frequently asked questions about your system Soluti...

Page 49: ...n and Driver CD as follows 1 Power on the system 2 Insert the auto start Application and Driver CD into the CD ROM drive The Selective Restore screen appears prompting you to select an application or...

Page 50: ...lick X to exit the program A series of restoring screens appear advising you that the restore process is continuing The restore process takes a few minutes to do 7 At the completion of the restore a R...

Page 51: ...lity turned off Processor Serial Number The Intel processor serial number a feature of the Pentium III processor is an identifier for the processor The processor serial number is unique and when used...

Page 52: ...he warning in the browser you should receive a notification Does Intel track serial numbers Generally not other than related to the manufacturing process Intel does not in the absences of advance and...

Page 53: ...nsion Boards DIMM Memory Modules Processor 5 1 4 Inch Accessible Devices 3 1 2 Inch Accessible Devices Internal Hard Drives CMOS Battery Front USB Port Rear Serial Port Front LED Switch Bracket Chassi...

Page 54: ...system and a desktop system to a minitower system Performing the conversion requires use of several disassembly procedures contained in this section PowerMate CT 815 Disassembly Sequence Sequence Par...

Page 55: ...power cable is unplugged Static electricity and improper installation procedures can damage computer components Protect computer components by following these safety instructions Electrostatic discha...

Page 56: ...a keyboard and monitor from the front or rear of the system Electrostatic discharge can damage computer components Discharge static electricity by touching a metal object before removing the cover 3 I...

Page 57: ...sition the cover over the side of the chassis so that the back edge of the cover is about an inch beyond the back edge of the chassis see the following figure 2 Align the tabs and slots on the cover w...

Page 58: ...Panel Remove the front panel as follows 1 Remove the cover see Removing the Cover earlier in this section 2 Position the system on its side on the work table with the front panel over the edge of the...

Page 59: ...Replace the cover Expansion Board The following sections describe how to remove and replace the expansion board retainer bar which secures expansion boards and slot covers remove and replace expansion...

Page 60: ...bs B Tab Slots 3 If you are removing an expansion board see Removing an Expansion Board next 4 If you are adding an expansion board see Installing an Expansion Board later in this section 5 To replace...

Page 61: ...all up to three PCI expansion boards or up to two PCI boards and one CNR board depending on system configuration One expansion slot is a shared PCI CNR slot Attach any signal cables required by the ex...

Page 62: ...3 10 Disassembly and Reassembly Removing an Expansion Board A Expansion Board Installing a Slot Cover A Slot Cover...

Page 63: ...Module Remove a DIMM module as follows Before opening the system and before handling boards or DIMM modules reduce static discharge by touching the chassis 1 Remove the cover see Removing the Cover 2...

Page 64: ...installed DIMM module see Removing a DIMM Module earlier in this section Before you install a module reduce static discharge by touching the chassis 3 Grasp the new module in the middle and align the...

Page 65: ...Locating the DIMM Module and Processor Sockets earlier in this section If the system was just running the processor and heat sink on the system board are hot To avoid a burn let the components cool be...

Page 66: ...ully align the processor pins with the socket pin holes and set the processor into the socket If aligned correctly and the pins are not bent the processor seats in the socket without forcing If the pr...

Page 67: ...heat sink and fan assembly with the processor and set it down on the processor see the previous figure for alignment Attach the heat sink retention clip by hooking the non flange end of the clip over...

Page 68: ...Accessible Bays Depending on system configuration the accessible device bays might contain a CD ROM drive DVD ROM drive CD RW drive Zip drive or other storage device Removing a 5 1 4 Inch Accessible D...

Page 69: ...lled in an empty bay to maintain EMF protection keep dust and dirt out and ensure proper system cooling Position each rail between the two guides in the bay as shown in the following figure While hold...

Page 70: ...vices hard drive CD ROM Master hard drive Slave none Master CD ROM Slave none 2 devices hard drive DVD ROM drive Master hard drive Slave none Master DVD ROM drive Slave none 2 devices hard drive Zip d...

Page 71: ...ull the bay cover out of the bay until the cover and rails separate Save the rails and bay cover for later use They are used to cover an empty bay Note Keep unused NEC rails and bay covers The bay cov...

Page 72: ...nitower 6 Slide the device into the empty bay until it clicks in place 7 Connect the signal and power cables to the back of the device Locate an unused signal connector on the primary or secondary int...

Page 73: ...1 2 Inch Accessible Device Remove a 3 1 2 inch accessible device as follows 1 Remove the system cover and front panel see Removing the Cover and Removing the Front Panel Before removing the cover tur...

Page 74: ...sible bay until the bracket locks in place 9 Connect signal and power cables to any installed devices 10 Replace the front panel and the cover Installing a 3 1 2 Inch Accessible Device Before installi...

Page 75: ...tly twist the panel it until it breaks off Removing the Bracket Cover A Bracket Cover Side Tabs C Access for Unlatching Bracket Cover B Metal Panel D Blank Panel 3 Slide the new device into the front...

Page 76: ...follows 1 Remove the system unit cover and front panel see Removing the Cover and Removing the Front Panel Before removing the cover turn off system power and unplug the system power cable Power is re...

Page 77: ...bles to all drives in the bracket 8 Replace the front panel and cover Installing a 3 1 2 Inch Internal Hard Drive Before installing a 3 1 2 inch internal hard drive in the system follow any preinstall...

Page 78: ...releases from the bottom of the accessible drive cage Remove the bracket from the chassis 3 Slide the new drive into the bracket with the connector end facing towards the inside of the chassis same d...

Page 79: ...on on contact Discard used batteries according to the manufacturer s instructions Removing the battery from the system board causes the system to lose system configuration information Prior to removin...

Page 80: ...OS Setup Utility in Section 2 Front USB Port Remove the front USB port as follows 1 Remove the system cover and front panel see Removing the Cover and Removing the Front Panel 2 Disconnect the front U...

Page 81: ...ug the rear serial port cable into its header on the system board 4 Replace the system cover Front LED Switch Bracket Remove the LED switch bracket from the front of the chassis as follows Before remo...

Page 82: ...cover see Removing the Cover 2 Unplug the chassis intrusion switch cable from its header on the system board 3 Press together the tabs that hold the chassis intrusion switch to the chassis see the fol...

Page 83: ...the system AC power cord and any peripheral power cords 3 Unplug any attached peripherals 4 Remove the system cover see Removing the Cover 5 Label and unplug the power cables from all installed devic...

Page 84: ...able Power is removed only when the power cable is unplugged 2 Remove all expansion boards see Removing an Expansion Board 3 Label and disconnect any cables connected to the system board 4 Remove the...

Page 85: ...ystem back to a vertical position The accessible devices in the system can be positioned so they are upright for the minitower configuration or for the desktop configuration The following sections des...

Page 86: ...step 6 for details Slide each rail into its slot until it latches in place With the arrows on the sides of the bay cover pointing up align the cover with the two rails and press the cover in until it...

Page 87: ...atches in place see the following figure for bracket placement 7 Reinstall all other 5 1 4 inch devices by sliding each into its bay until it latches in place see the following figure for device place...

Page 88: ...11 Replace the front panel and system cover 12 Set the system in a vertical position 13 Connect any external options such as a keyboard and monitor to the front or rear of the system 14 Connect the sy...

Page 89: ...4 System Board External Cable Connectors Internal Cable Connectors Jumper Settings Upgrade Sockets Components Resources...

Page 90: ...able Connectors Locations of the external cable connectors on the system board at the back of the minitower and desktop systems are shown in the following figures For descriptions of the connectors se...

Page 91: ...owing sections provide the names and locations of jumpers on the system board and provides procedures for changing a jumper setting Locating Jumper Blocks The system board has six configuration jumper...

Page 92: ...Locate the jumper block on the system board see the figure System Board Jumper Block Locations above 4 Remove any subassemblies blocking access to the jumper block see Section 3 Disassembly and Reass...

Page 93: ...3 Disassembly and Reassembly DIMM Sockets Memory upgrades are installed into three memory module sockets on the system board The sockets support up to 512 MB of high speed memory The system supports 1...

Page 94: ...ry RAM This is the amount of system memory in your computer In Windows 98 or Windows 2000 you can also find the amount of memory by pointing to My Computer click Properties and click Performance Compo...

Page 95: ...ee USB devices speaker and microphone connectors line in line out microphone in The following table lists the major components on the system board System Board Components Component Function Processor...

Page 96: ...ess multiplexed interface mode Winbond Super I O W83627HF AW controller The controller supports the following Multimode parallel port Centronics compatible standard mode Enhanced capabilities port ECP...

Page 97: ...installed in DIMM sockets on the system board The memory configuration consists of three sockets The DIMM sockets accept 168 pin 64 bit non ECC 64 128 and 512 MB DIMMs See the Sample DIMM Memory Upgr...

Page 98: ...esses are 378h 278h and 3BCh Sets of I O addresses for the parallel port are given in the following table see Section 2 System Configuration for interrupt levels This is a list of all possible configu...

Page 99: ...system board contains a Integrated Accelerated Graphics Port AGP on the system board that supports graphics intensive 3D applications The AGP supports 133 MHz data transfer rates allowing 33 MB of dat...

Page 100: ...errupt settings and serial interrupt settings are included in Section 2 System Configuration Memory Map The system memory map is shown in the following table System Memory Map Memory Space Function 00...

Page 101: ...stem Board 4 13 DMA Settings The system s DMA settings are given in the following table DMA Settings DMA Setting Device 2 Diskette drive 3 Parallel port for ECP or EPP 4 Direct memory access controlle...

Page 102: ...5 Illustrated Parts Breakdown Ordering Parts Field Replaceable Units Illustrated Parts Breakdown...

Page 103: ...o order spare parts 1 800 632 4525 Field Replaceable Units The following table lists the field replaceable units FRUs for the PowerMate CT 815 system PowerMate CT 815 System FRU Item Description 1 Pow...

Page 104: ...ive Bracket Cover 27 3 1 2 Inch Blank Panel 28 Diskette Drive with Bezel 29 48X maximum variable speed or higher CD ROM IDE Drive 16X maximum variable speed or higher DVD ROM IDE Drive 8X 4X 32X maxim...

Page 105: ...Parts Breakdown The following figure shows the illustrated parts breakdown IPB for the PowerMate CT 815 system Each FRU on the IPB is identified with a number that cross references to the FRU list Po...

Page 106: ...6 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning...

Page 107: ...kit As an alternative use a glass cleaner then wipe with a clean lint free cloth 4 Local distributors and dealers may sell diskette drive head cleaning kits These kits contain special diskettes and cl...

Page 108: ...n the type of mouse you have 1 Unplug the mouse from the system 2 Turn the mouse upside down and locate the ball cover Locating a Typical Mouse Ball Cover A Mouse Ball Cover 3 Turn the ball cover coun...

Page 109: ...7 Troubleshooting Checklist Diagnostics...

Page 110: ...rge protector Check the outlet or surge protector by plugging in a lamp Non System Disk error message displays when the system is started A diskette is in the diskette drive and the diskette drive is...

Page 111: ...s not have a diskette in it Check that the diskette is being loaded correctly Check that the system and monitor power lamps are on and the power on screen appears Check that the diskette is formatted...

Page 112: ...Make sure the keyboard or mouse cable is firmly connected to the rear of the system If this does not help turn off the system wait five or more seconds and turn on the system Mouse cursor moves errat...

Page 113: ...tem board CD audio connector is in place and secure Speaker Problems Check the following problems to see the possible cause and solution No sound from the speakers Check that the speaker power is on V...

Page 114: ...6 Replace the power supply 7 Replace the system board Power supply malfunction Any of the following conditions could occur Front panel lamps out diskette and or hard drives do not spin monitor blank...

Page 115: ...kette drive cable Replace as necessary 3 Check power supply 4 Replace diskette drive 5 Replace system board Hard drive malfunction Hard drive lamp does not light but hard drive can be accessed 1 Check...

Page 116: ...r used matches the capabilities of the built in video controller and DRAM Wavy display 1 Check that the system and monitor are not near motors or electric fields Blank display 1 Press any key or move...

Page 117: ...he CD ROM drive audio cable Replace as necessary 6 Replace the CD ROM drive 7 Replace the system board Cannot access CD ROM drive 1 Check that the CD ROM driver software is loaded and not corrupted 2...

Page 118: ...8 NECC Information Services Service and Support Functions Technical Support...

Page 119: ...on for obtaining technical support from NECC If you have access to a telephone modem and or fax machine you can use these services to obtain information on a 24 hour basis NECC Website If you have acc...

Page 120: ...customers should check with their sales provider Direct assistance is available 24 hours a day 7 days a week Call the NECC Technical Support Center toll free at 1 800 632 4525 U S and Canada only for...

Page 121: ...tions System Board Keyboard Mouse Speaker Set System Unit Diskette Drive Hard Drive CD ROM Drive DVD ROM Drive CD RW Drive Zip Drive Fax Modem Board Network Board Power Supply Environmental and Safety...

Page 122: ...5 Hard drive 9 5 CD ROM drive 9 8 DVD ROM drive 9 8 CW RW drive 9 9 Zip drive 9 9 Fax modem board 9 10 Network board 9 10 Power supply 9 11 Environmental and safety 9 11 Compliance 9 12 System Board S...

Page 123: ...d with system memory DVMT Audio Audio Modem Codex AC 97 controller integrated in 815E chipset Battery Replaceable coin type battery Keyboard Specifications The specifications for the keyboard are incl...

Page 124: ...er Width 6 83 inches 175 mm Depth 17 75 inches 455 mm Height 17 36 inches 445 mm Dimensions desktop Width 17 36 inches 445 mm Height 6 83 inches 175 mm Depth 17 75 inches 455 mm Weight 20 3 lb 9 2 kg...

Page 125: ...DMA 66 100 Quantum or Maxtor hard drive capable of 5 400 or 7 200 revolutions per minute RPM The specifications for Quantum 5 400 RPM hard drives Quantum 7 200 RPM hard drives Maxtor 5 400 RPM hard d...

Page 126: ...ATA 66 100 Shock Protection System II SPS II Data Protection System DPS Interface Ultra ATA 66 100 Typical Average Seek Time 12 ms Rotational Speed 7 200 RPM Internal Data Rate Up to 248 Mb sec Buffe...

Page 127: ...sions Height 1 02 inches 26 2 mm Length 5 77 inches 147 9 mm Width 4 02 inches 103 1 mm Weight 1 3 lbs 0 59 Kg Maxtor 7 200 RPM Hard Drive Specifications Feature Specification Model 10 GB or higher Av...

Page 128: ...VD ROM drive are included in the following table DVD ROM Drive Specifications Feature Specification DVD ROM Drive 16X max variable speed Sustained Transfer Rate DVD ROM 8 91 MB s to 21 6 MB s CD ROM 2...

Page 129: ...ions Width Depth Height 146 mm 201 mm 41 5 mm Specifications may vary by model Zip Drive Specifications The specifications for the Zip drive are included in the following table Zip Drive Specification...

Page 130: ...ITU T V 17 ITU T V 29 ITU T V 27ter ITU T V 21 Fax Standards EIA 578 Class 1 Fax EIA 592 Class 2 0 Fax 14 4 Kbps Send and Receive Specifications may vary by model Network Board Specifications The spe...

Page 131: ...fications for the ATX 235 watt power supply are included in the following table Power Supply Specifications Feature Specification Power Supply 235 Watt Power Supply Voltage 115V 230V selectable Enviro...

Page 132: ...Part 15 Subpart B UL 1950 3rd edition Canadian C UL C22 2 No 950 95 ICES 003 Issue 2 Revision 1 European CD EMC Directive 89 336 EEC EN55022 1993 Class B EN50082 1 1997 CD LVD Directive 73 23 EEC EN6...

Page 133: ...P Accelerated Graphics Port A high speed high performance video standard supported by a dedicated connector on the system board The connector allows the connection of an AGP board to the system board...

Page 134: ...nchronous Refers to operations that do not require the clocks of communicating devices to be coordinated Instead the devices send signals to each other indicating readiness to receive or send Compare...

Page 135: ...of programs permanently stored in ROM chips installed on the system board The BIOS contains functions that control the real time clock keyboard disk drives video display and other peripheral devices...

Page 136: ...at starts by itself and loads the operating system bps Bits per second The number of bits of data that can be transmitted in one second Because data compression schemes enable more than one bit per vo...

Page 137: ...ated from a block of data used to verify the integrity of that data For example a modem could send a block of data and include the number of 1 s that occur in the block The receiving modem could count...

Page 138: ...r transferring data usually between memory and a disk drive without going through the CPU DMI Desktop Management Interface A standard for PCs that allows manipulation of PC components over a network f...

Page 139: ...A video interface that offers more colors or higher resolution than VGA EPP Enhanced Parallel Port a parallel port standard for PCs that supports bi directional communication between the PC and attach...

Page 140: ...Combination of two or three keys such as Ctrl Alt D that you press simultaneously for a particular function hot plugging The ability to add and remove devices to a computer while the computer is runni...

Page 141: ...t modern computers include both an AT bus for slower devices and a PCI local bus for devices that need better bus performance In 1993 Intel and Microsoft introduced a new version of the ISA specificat...

Page 142: ...puters over a telephone line MPC Multimedia Personal Computer a software and hardware standard developed by a consortium of computer firms led by Microsoft There are three MPC standards called MPC MPC...

Page 143: ...elds a throughput rate of 133 megabits per second 64 bit implementations running at 66 MHz provide 524 Mbps See ISA peripheral Input or output device not under direct computer control A printer is a p...

Page 144: ...is determined by the number of pixels on the screen Resolution is usually specified in pixels by scan lines for example 640 by 480 See pixels RS 232C Standard interface for serial devices S SEC Single...

Page 145: ...elf Monitoring Analysis and Reporting Technology A hard drive feature that works in conjunction with system software for example LANDesk Client Manager NEC Auto Backup for identifying a potential prob...

Page 146: ...ntion usually when a diskette is placed into the drive of a computer Viruses trigger a harmless or destructive occurrence on the system activated by some preset condition Viruses are frequently writte...

Page 147: ...torage device write back Also called copy back A cache strategy where write operations to data stored in the internal microprocessor L1 cache aren t copied to system memory until absolutely necessary...

Page 148: ...kette drive 3 22 DVD ROM drive 3 18 IDE drive 3 18 3 22 3 25 power 3 18 3 22 3 25 Zip drive 3 18 3 22 CD ROM drive 1 5 cables 3 18 features 1 13 jumpers 2 8 CD RW drive 1 5 1 13 cables 3 18 features 1...

Page 149: ...ve 1 12 DVD ROM drive 1 13 expansion slots 1 9 front 1 4 hard drive 1 12 inside the system 1 9 internal drive bracket 1 9 keyboard 1 13 LANDesk Client Manager 1 15 Microsoft Internet Explorer 1 14 mou...

Page 150: ...anager 1 15 Locking tab 3 4 3 5 M Main Menu BIOS Setup 2 8 2 10 Memory 4 5 4 6 checking 4 6 DIMMs 4 5 installing 3 12 map 4 12 system 4 9 upgrade path 4 5 upgrading 4 5 Menu Advanced 2 9 2 12 Exit 2 9...

Page 151: ...ty hard drive using 2 18 Security features anti theft bracket 1 10 chassis intrusion notification 1 10 cover locking tab 1 10 hard drive security 1 10 password 1 10 Windows network 1 10 Security Menu...

Page 152: ...C FTP site 8 3 NECC website 8 2 services 8 3 Troubleshooting check list 7 2 diagnostics 7 6 system problems 7 2 Two device bracket removing 3 23 U Upgrade sockets DIMM modules 4 5 processor 4 5 USB in...

Page 153: ...receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from the one to which the receiver is connected Consult the deale...

Page 154: ...ery Disposal The CMOS battery is made of lithium Contact your local waste management officials for other information regarding the environmentally sound collection recycling and disposal of the batter...

Page 155: ...NEC Computers Inc 15 Business Park Way Sacramento CA 95828 www neccomp com 456 00138 000SRV 02 01...