NEC Powermate VT 300I
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NEC Powermate VT 300I - Service Manual, size: 1.4 MB
NEC Powermate VT 300I
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The rear of the computer contains external connectors, a power socket, and expansion board slots. The following figure identifies the connectors on the back of the system. Brief descriptions of each connector follow the figure.
System Overview 1-5
PowerMate VT 300i Series System Rear View
A Power Socket B Voltage Selector Switch C Mouse Port D Keyboard Port E USB Port F Serial Port 1 G Serial Port 2 H Line Out Jack
I Line In Jack J Microphone In Jack K Fan L Printer Port M MIDI Port N VGA Monitor Connector O Expansion Slots
External connectors allow the attachment of peripheral devices such as a monitor, keyboard, mouse, and printer. The system has the following external connectors.
T Audio connectors The following audio connectors are on the back of
microphone in jack. This jack allows the connection of a microphone
for recording audio information in data files.
line in jack. This jack allows the connection of a stereo audio device
such as a stereo amplifier, cassette, or minidisc player for playback or recording.
line out jack. This jack allows the connection of an amplified output
device such as powered speakers, stereo tape recorder, or an external amplifier for audio output. Use this jack for ordered speakers.
T USB ports Each of the two USB ports permits the connection of up to
127 USB configured peripheral devices such as printers, monitors, modems, mouse, and game pads/joysticks.
1-6 System Overview
T Serial ports Serial port 1 (COM1) and serial port 2 (COM2) allow the
connection of serial devices with 9-pin connectors. The devices include a pointing device, serial printer, or modem.
T Keyboard port Attach a keyboard (PS/2-compatible, 101-key or
102-key) with a 6-pin mini DIN connector to this port.
T Mouse port Attach a mouse (PS/2-compatible) to this port. T Printer port Attach a parallel printer with a 25-pin connector to this
T VGA monitor connector Attach a video graphics array
(VGA)-compatible monitor (NEC MultiSync monitor or other VGA-compatible monitor) with a 15-pin connector to this AGP board connector. boards (graphics, fax/modem, SCSI).
T Expansion board slots Use these slots to install up to four optional T Fax/modem ports Some systems come with a 56-Kbps fax/modem
board in an expansion slot. The board allows the connection of a phone line to the system for fax and data communications.
1-8 System Overview
The major system components are listed in the following table, along with the page number where each component is briefly described.
Component System Board Diskette Drive Hard Drive* Power Supply Keyboard Mouse AGP Board** CD-ROM Drive** Speakers** Fax/Modem Board** PC Adapter Device** Tape Backup Unit** Zip Drive**
Go to Page 1-9 1-10 1-10 1-10 1-10 1-11 1-11 1-11 1-11 1-12 1-12 1-12 1-13
The system board contains the Celeron, Pentium II, or Pentium III processor mounted in a S.E.C. cartridge, system DIMM memory, Intel 440ZX AGPset, Winbond W83977TF super I/O controller, and Creative ES1373 PCI audio controller. Internal connectors on the system board include two DIMM sockets, S.E.C. cartridge socket (slot 1 connector), and AGP board connector. External connectors on the system board include two serial connectors, a parallel connector, two USB ports, keyboard port, mouse port, and external audio connectors. The system board supports the standard 1.44-MB diskette drive, and up to four IDE devices such as a hard drive, CD-ROM drive, and Zip drive. For further information on the system board, see Section 4, System Board.
System Overview 1-9
A single diskette drive is supported in the system. The installed 1.44-MB 3 1/2-inch diskette drive is connected by a ribbon cable with three connectors. The diskette drive cable plugs directly into the 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.
All systems ship with one internal 3 1/2-inch hard drive (1-inch high, thinheight) installed in the bottom of the two internal drive slots, at the front of the system. Drives are available in 4.3-GB, 8.4-GB, and 12.9-GB IDE Ultra DMA models. The system board has two IDE/PCI interface connectors (primary and secondary) for connecting IDE storage devices. A three-connector IDE cable connects to the IDE hard drive and the primary connector on the system board. A second three-connector IDE cable connects to the IDE CD-ROM drive and the secondary connector on the system board. Each connector supports up to two IDE devices. An optional second IDE hard drive can be added to the primary channel. If the second hard drive is installed, it connects to the middle connector on the IDE cable. Hard drive jumper settings are given in Section 2, System Configuration. Connector locations for the IDE hard drive connectors on the system board are given in Section 4, System Board. Hard drive specifications are given in Section 9, Specifications.
1-12 System Overview
The tape backup unit installs in a 5 1/4-inch accessible slot. The installed tape backup unit is connected to an IDE cable that connects to the system board. The PCI/IDE channel, and the master/slave configuration of the unit depend on the specific configuration of the system. Tape backup unit connector locations on the system board are given in Section 4, System Board. Tape backup unit specifications are given in Section 9, Specifications.
Some systems come with a Zip drive. The Zip drive is a high-capacity, highperformance data storage device that writes data on and reads data from Zip disks. A Zip disk is flexible media contained in a durable plastic cartridge. The Zip drive supports removable Zip disks with a formatted capacity of 100 MB. The Zip drive can be used to back up work, archive old files, and transport work between computers. The Zip drive is installed in a 5 1/4-inch accessible slot. The installed Zip drive is connected to an IDE cable that connects to the system board. The PCI/IDE channel and the master/slave configuration of the drive depend on the specific configuration of the system. Zip drive cable connections are given in Section 4, System Board. Zip drive specifications are given in Section 9, Specifications.
System Overview 1-13
T Interrupt Requests T Jumper Settings T BIOS Setup T Video Modes T Utilities
This section provides information for configuring the system. The section includes:
T T T T T T
system interrupt request (IRQ) assignments system jumper settings procedures for using the BIOS Setup utility to configure the system descriptions of video modes information on power management descriptions and procedures for using the following utilities and applications
BIOS Update utility NEC OS Restore CD NEC Application and Driver CD Cheyenne Backup Intel Processor Serial Number Control utility.
The following paragraphs list the system interrupts (IRQs), parallel addresses and interrupts, and serial addresses and interrupts. Section 4, System Board, includes information on system resources (memory map, I/O addresses, and DMA settings).
The system has 16 IRQs (IRQ 0 through 15) assigned to different devices (for example, printer, modem, keyboard, mouse). Initial IRQ settings are assigned at the factory, with settings dependent on the installed device(s). Several IRQs are unassigned for the installation of add-on devices. See BIOS Setup utility in this section for information on using the utility to assign or change the interrupts. The following table lists the IRQ settings. Note that assignments 0 through 15 are in order of decreasing priority.
On completion of any reassembly, perform a power-on test. If a fault occurs, verify that the reassembly was performed correctly.
3-2 Disassembly and Reassembly
Before handling boards or chips, ground yourself to release static.
System Unit Cover Removal
The following subsections describe how to remove and replace the system unit left side cover and right side cover.
Electrostatic discharge can damage computer components. Discharge static electricity by touching a metal object before removing the left side cover.
Removing the Left Side Cover
Remove the left side cover as follows.
Before removing the left side cover, turn off the power and unplug the system power cable. Power is removed only when the power cable is unplugged.
1. Turn off and unplug the system unit. 2. Unplug the keyboard, mouse, monitor, and any other device (such as a printer) connected to the back of the system. 3. If a padlock is installed in the chassis locking tab on the back of the chassis, remove it. 4. Remove the two thumb screws holding the left side cover to the rear of the chassis (see the following figure). 5. Grasp the handle on the left side cover and slide the cover towards the rear of the chassis about an inch. 6. Pull the top of the side cover away from the chassis about one-half inch, then lift the cover up and off the system.
A Left Side Cover B Thumb Screws
C Handle D Lock Tab
Replacing the Left Side Cover
Replace the left side cover as follows.
Note: To prevent damage to system cables, carefully position the cables out of the path of the cover.
1. Position the left side 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. Fit the flange on the bottom of the cover over the rail along the bottom edge of the chassis. 3. Align the lock tab slot at the bottom rear of the cover with the lock tab. 4. Align the tabs on the top of the cover with the top slots on the chassis. 5. Firmly press the cover against the chassis and slide the cover towards the front of the chassis until it locks in place.
4-6 System Board
8. Connect system power cables and external options. 9. Power on the system. 10. Run the BIOS Setup utility to check the configuration or to set a new password (see Section 2).
Setting Wake-On LAN
Wake-On LAN jumper JWOL can be set to enable the onboard Wake-On LAN function or to disable the function. Set jumper JWOL as follows.
Jumpers are set correctly at the factory for the system configuration. Only change (or check) the appropriate jumper setting for your application.
1. Power off and unplug the system and any peripherals.
2. Remove the left side cover (see Removing the Left Side Cover in Section 3). 3. Locate jumper JWOL on the system board. 4. Set jumper JWOL as follows.
T Set the jumper on pins 1 and 2 to enable the Wake-On WAN function. T Set the jumper on pins 2 and 3 to disable the Wake-On WAN function.
5. Replace the left side cover (see Replacing the Left Side Cover in Section 3). 6. Connect any peripherals and power cords and power up the system. 7. Press F2 to open the BIOS Setup utility, navigate to Power Management Setup, and enable the Resume By Ring function (see Section 2, System Configuration). 8. Save and close the BIOS Setup utility.
System Board 4-7
The system board has the following upgrade sockets:
T processor socket T DIMM sockets.
See the following paragraphs for socket descriptions.
The processor Slot 1 socket is designed for easy processor upgradeability through use of a Single Edge Contact (S.E.C.) cartridge and a universal retention mechanism. The cartridge contains the processor, second level cache, thermal plate, back cover, and heatsink. The 242-pin edge connector Slot 1 socket on the system board holds the processor cartridge. The cartridge is held in place in the socket by the universal retention mechanism. To remove or install a processor cartridge, see Section 3, Disassembly and Reassembly.
The system board has two, 168-pin, gold-plated DIMM sockets (locations are shown on the figure at the beginning of this section). The sockets support up to 256 MB of high-speed SDRAM memory. The sockets support DIMM modules in 16-, 32-, 64-, and 128-MB unbuffered non-ECC memory configurations. The DIMM modules
can be installed in one or two sockets size can vary between sockets speed must match the processor bus speed (66 MHz or 100 MHz) can be single- and double-sided.
See the following tables for supported DIMMs and for sample DIMM upgrade paths. To determine the memory needed for a memory upgrade, see Checking System Memory in this section. To remove or install a DIMM, see Section 3, Disassembly and Reassembly.
4-8 System Board
DIMM Size 16 MB 32 MB 64 MB 128 MB Non-ECC Configuration 2 Mbit x Mbit x Mbit x Mbit x 64
Sample DIMM Upgrade Paths*
Total Memory 32 MB 64 MB 64 MB 128 MB 128 MB 256 MB DIMM MB 32 MB 64 MB 64 MB 128 MB 128 MB DIMM 2 -32 MB -64 MB -128 MB
* The information in this table shows sample DIMM upgrade paths. It does not represent every combination of DIMMs supported in the system.
Checking System Memory
If you do not know how much memory is installed in the system, check the amount as follows. 1. On the Windows 95, Windows 98, or Windows NT 4.0 desktop, point to My Computer and click the right mouse button. 2. With the left mouse button, click Properties. Select the General tab to show the amount of random access memory (RAM) in the computer. For Windows 95 and Windows 98, you can also select the Performance tab to show the RAM memory.
Note: If a discrepancy is found in the amount of memory displayed at the Power-On Self-Test or in Windows with the amount of memory installed, check that the memory modules were installed correctly.
System Board 4-9
The system board has the following features:
T Intel 82443ZX AGPset used for AGP, PCI/ISA, memory, and peripheral
T Winbond W83977TF I/O controller (integrates standard PC I/O
functions: two serial ports, one EPP/ECP-capable parallel port, floppy disk interface, real time clock, keyboard and mouse controller, and support for two USB ports)
T two dual in-line memory module (DIMM) sockets with support for up to
256 MB of SDRAM using DIMMs
T American Megatrends Inc. (AMI) BIOS in a flash memory device
supporting system setup and PCI auto-configuration
32-KB internal dual write-back cache integrated on the processor pipelined 32-bit addressing 64-bit data 32 MB to 256 MB of SDRAM upgradeable with 32-MB, 64-MB, or 128-MB increments through DIMM sockets on the system board memory on processor
T 512-KB (128 KB for Celeron processor) write-back secondary cache T T T T T T
System Setup utility built into the BIOS 2-Mb Flash ROM for fast economical BIOS upgrades PCI local bus for fast data transfer integrated sound (Creative ES1371/ES1373 audio system) power management with power saving mode, featuring inactivity timer external connectors for connecting the following external devices:
VGA-compatible monitor (standard, super, high-resolution VGA) to
AGP port on graphics board
personal system/2 (PS/2)-style mouse PS/2-style keyboard bi-directional Enhanced Parallel Port (EPP) and Enhanced
Capabilities Port (ECP) support for a parallel printer
serial devices through two buffered 16C550 UART serial ports,
supporting up to 115.2 KB per second
two USB devices speaker and microphone connectors (line in, line out, microphone in).
4-10 System Board
The following table lists the major components on the system board.
System Board Components
Component Processor (mounted in a S.E.C. cartridge) Function
Celeron 300-, 333-, 366-, 400-, or 433-MHz processor Pentium II 350-, 400-, or 450-MHz processor Pentium III 450- or 500-MHz processor
Intel 82440ZX AGPSet: 82443ZX AGP Host Bridge Controller (PAC) Provides bus control signals, address paths, and data paths for transfers between the processors host bus, PCI bus, AGP connector, and system memory. The PAC comes in a 492-pin BGA package on the system board. Features include processor interface control (32-bit addressing, optimized for 100-MHz host bus frequency, supports 66 MHz bus frequency), an integrated DRAM controller (synchronous DRAM, 64/72-bit path-to-memory, auto detection of memory type) and an AGP interface (compliant with AGP specification with data transfer rates up to 133 MHz), fully synchronous minimum latency PCI bus interface (compliant with PCI specification with PCI-to-DRAM access greater than 100 MB per second). 82371EB PCI ISA/IDE Xcelerator (PIIX4) Functions as a PCI to ISA bridge; PCI IDE functionality; a USB controller; integrated dual channel enhanced IDE interface with support for Ultra DMA/33; enhanced DMA controller; interrupt controller based on 82C59, with support for 15 interrupts; power management logic (sleep/resume and remote wake on LAN); real-time clock with 256-byte, battery-backed CMOS static RAM (SRAM); and 16-bit counters based on 82C54. The chip comes in a 324-pin BGA package on the system board. The controller provides the following features: Multimode parallel port Centronics compatible (standard mode) Enhanced capabilities port (ECP) Enhanced parallel port (EPP) Two RS-232C serial ports Integrated 8042A keyboard controller Supports industry-standard floppy controller Provides audio on system board.
5-4 Illustrated Parts Breakdown
The following figure shows the illustrated parts breakdown (IPB) for the PowerMate VT 300i Series computers. Each FRU on the IPB is identified with a number that cross-references the FRU list.
PowerMate VT 300i Series Computer Illustrated Parts Breakdown
Illustrated Parts Breakdown 5-5
T System Cleaning T Keyboard Cleaning T Mouse Cleaning
This section contains general information for cleaning and checking the system, keyboard, and monitor. The system unit, keyboard, and monitor require cleaning and checking at least once a year, and more often if operating in a dusty environment. No other scheduled maintenance is required.
Unplug all power cords before performing any maintenance. Voltage is present inside the system and monitor even after the power is off. All voltage is removed only when the power cord is unplugged.
Use the following procedure for cleaning the system. 1. Power off the system and unplug all power cables. 2. Wipe the outside of the system, keyboard, mouse, and monitor with a soft, clean cloth. Remove stains with a mild detergent. Do not use solvents or strong, abrasive cleaners on any part of the system. 3. Clean the monitor screen with a commercial monitor screen cleaning 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 cleaning solution. Do not use the abrasive head cleaning kits (kits without cleaning solution). Insert the diskette immediately after powering on the system, before disk bootup. Allow the diskette drive heads to clean for about 30 seconds.
As necessary, inspect and clean the inside of the keyboard as follows. 1. Turn the keyboard over and remove the screws holding the keyboard enclosure together.
The keyboard and cable together are considered a wholeunit, field-replaceable assembly. Therefore, disassembly of the keyboard is necessary only when cleaning the inside.
NEC PowerMate VT 300i Series Release Notes A-3
2. Double click the Network icon in the Control Panel window. 3. Click the Protocols tab. In the Protocols display, the following protocols are loaded:
NetBEUI Protocol NWLink IPXSPX-Compatible Transport NWLink NetBIOS
4. Highlight NWLink IPXSPX-Compatible Transport and click Remove. A warning window appears asking for confirmation to continue. 5. Click Yes. The NWLink IPXSPX-Compatible Transport and NWLink NetBIOS lines disappear from the Protocols display. 6. Repeat steps 4 and 5 to remove the NetBEUI Protocol. 7. Click Add. The Select Network Protocol window appears. 8. Highlight TCP/IP Protocol and click OK. The TCP/IP Setup window appears. If there is a DHCP server on the network, click Yes; otherwise click No. 9. Change the path in the window to C:\I386. Click Continue. The Network window appears. If Yes was clicked in step 8, skip to step 16. If No was clicked in step 8, the Windows Setup window appears. 10. Click Close. The Microsoft TCP/IP Properties Box appears. 11. Fill in the IP Address, the Subnet Mask, and the Default Gateway in the Specify an IP address area. 12. Click the DNS tab and enter the host and domain name in the DNS display. 13. Click the Identification tab and change the Computer Name if appropriate. 14. Click the WINS tab and enter the WINS address if appropriate. 15. Click the Routing tab and enable IP forwarding if appropriate. 16. Click OK. When prompted to restart the system, click Yes.
Installing Cheyenne Backup
After installing the Cheyenne Backup utility on the system and rebooting the system, an Unable to connect to Group error message is displayed. This message indicates that a backup tape unit is not installed. Installing a tape unit or reconfiguring the Cheyenne Backup utility removes this message. See Using Cheyenne Backup for issues related to using the utility in Windows 95.
A-4 NEC PowerMate VT 300i Series Release Notes
Installing LapLink Application Not Supported
The LapLink application included on the NEC Application and Driver CD is not supported. This version of LapLink can cause problems when installed. When released, a new version will be available on the NEC CSD website (http://www.nec-computers.com). On the website, select Service & Support and then choose PowerMate.
Install PartitionMagic files from the NEC Application and Driver CD. Select the PartitionMagic software from the Applications tab in the Installation utility menu. The utility loads files from the NEC Application and Driver CD to C:\Program Files\PowerQuest\PartitionMagic4. You can find setup and documentation files in the following folders:
Installing the Utility
The Intel Processor Serial Number Control Utility (version 1.0) comes on the NEC Application and Driver CD. See your PowerMate VT 300i Series Users Guide for information about using the NEC Application and Driver CD. Run setup.exe from the directory where you unzip the file.
Note: Installing this utility on a system which does not contain a Pentium III processor generates an error message.
Looking at Serial Number Features
The Intel processor serial number, a new feature of the Pentium III processor, is an identifier for the processor. The processor serial number is designed to be unique, and when used in conjunction with other identification methods, can be used to identify the system or user. This number can be used in a wide variety of applications which benefit from stronger forms of system and user identification.
A-12 NEC PowerMate VT 300i Series Release Notes
The processor serial number is analogous to a conventional serial number, with these important differences:
Getting Answers to FAQs
See the following answers to questions about the processor serial number.
NEC PowerMate VT 300i Series Release Notes A-13
Getting Intel Technical Support
Windows 95 Issues
The following material describes information specific to systems running the Microsoft Windows 95 operating system.
Controlling CD Audio
CD audio volume is not controlled by the Windows 95 taskbar Volume Control. To control CD audio volume, access your CD player program. Move the volume slider bars up or down to increase or decrease CD audio volume.
Using Cheyenne Backup to Back Up Large Drives
When Cheyenne Backup is set to automatically back up a drive to a network drive, and the system drive being backed up is greater than 2.l GB, multiple instances of the Copy program may be launched, according to how many drive letters are assigned to the hard drive. The first instances end with an indication that no data was transferred. The last instance completes the backup successfully. See also Installing Cheyenne Backup earlier in this document.
A-14 NEC PowerMate VT 300i Series Release Notes
Restoring Software with a US Robotics 56K V.90 Modem Installed
If your system has a US Robotics 56K V.90 Modem installed and you restore the Windows 95 operating system, the system might display a message indicating it cannot load the Modem.inf file. If this message appears, follow the instructions in Installing Applications and Online Documents in this document. Select the US Robotics 56K modem from the appropriate Operating System section of the NEC Application and Driver CD.
Coder-decoder. Used primarily with Internet phone and video conferencing products, this software compresses digitized data and decompresses it at the other end, allowing for faster data transfer and less delays
Process of starting up the computer by turning on the power. If power is already on, the process means to turn off the computer and turn it on again. A cold boot reinitializes all devices.
Any scheme for recording data with fewer bits. For example, stating how many times something occurs can be shorter than stating each occurrence. It is shorter to say print a million white pixels than to say print white pixel number one, print white pixel number two.
The systems factory setting for a specific device feature or system function. A setting that a computer uses if it has not been modified by a user.
Dual Inline Memory Module. Circuit board with pins connecting to different memory chips on both sides of the board, which allows for wider and faster data transfer (128-bit). See SIMMs.
Direct Memory Access. A method for transferring data, usually between memory and a disk drive, without going through the CPU.
Desktop Management Interface. A standard for PCs that allows manipulation of PC components over a network from a centralized location.
Dynamic Random Access Memory. Memory used to store data in most computers. DRAM is temporary and must be continually refreshed. It is only active when the computer is turned on.
A software program that enables peripheral devices (for example, printer, monitor, mouse, CD-ROM drive) to work with computers.
Digital versatile disc or digital video disc. A type of CD-ROM that holds a minimum of 4.7 GB, enough for a full-length movie. The DVD specification supports disks with capacities of from 4.7 GB to 17 GB and access rates of 600 Kbps to 1.3 Mbps. One of the features of DVD drives is that they are backwardcompatible with CD-ROM disks. This means that DVD players can play old CDROMs, CD-I disks, and video CDs, as well as new DVD-ROMs. Newer DVD players can also read CD-R disks. DVD uses MPEG-2 to compress video data. See MPEG.
Error Checking and Correcting memory. Advanced type of memory that can find and correct certain types of single-bit memory errors, providing greater data integrity. Advanced ECC can correct some double-bit errors.
Extended Capabilities Port. A parallel-port standard for PCs that supports bidirectional communication between the PC and attached devices (such as a printer). ECP is about 10 times faster than the older Centronics standard. Another modern parallel port for PCs that offers similar performance is the EPP (Enhanced Parallel Port).
Diskette drive, 1-10 removal, 3-20 specifications, 9-5 DMA settings functions, 4-21 Documentation, online NEC Help Center, 2-27 DVD-ROM drives Hitachi 4X specifications, 9-15
I/O addresses map, 4-18 Illustrated parts breakdown IPB, 5-5 parts lists, 5-2 Inside features, 1-7 Installing NEC Help Center, 2-27 Integrated audio features, 4-17 Intel processor serial number control utility, 2-29 Interrupts parallel port, 2-3 serial port, 2-4 system IRQs, 2-2 IPB, 5-5 IRQs, 2-2 ISA bus features, 4-13
Email/fax technical support, 8-3 Environmental and safety specifications, 9-18 Exit menu (BIOS), 2-18 Expansion board removal, 3-8
Fax/modem board, 1-12 specifications, 9-11 Features back, 1-5 security, 1-8 system board, 4-10 Field replaceable units list, 5-3 FLASH diskette, 2-18 Front features, 1-4 Front panel removal, 3-9 FRU list, 5-3 FTP site, 8-4 Fujitsu hard drive 8.4-GB hard drive specifications, 9-8
Jumpers clear CMOS, 4-3 configuration select, 2-5 Lite-On CD-ROM, 2-8 Maxtor IDE hard drive, 2-7 NEC CD-ROM, 2-7 power on mode, 4-3 processor speed, 4-3 Seagate IDE hard drive, 2-7 settings, 2-4 system board, 4-3 tape backup unit, 2-8 Zip drive, 2-8
Graphics AGP board, 1-11 ATI Expert 98 AGP board specifications, 9-12 ATI Minden AGP board specifications, 9-12 Diamond Viper board specifications, 9-13 Graphics boards features, 4-15 Graphics controller features, 4-16
Keyboard, 1-10 cleaning, 6-2 specifications, 9-3
Left side cover disassembly, 3-3 replacing, 3-4 Lite-On CD-ROM drive jumpers, 2-8
Hard drive, 1-10 removal, 3-19 Hard drive jumpers Maxtor hard drive, 2-7 Seagate hard drive, 2-7
Main menu (BIOS), 2-9, 2-10 Maintenance keyboard cleaning, 6-2 mouse cleaning, 6-3 system cleaning, 6-2
Maxtor hard drive 12.9-GB hard drive specifications, 9-10 4.3-GB hard drive specifications, 9-7 8.4-GB hard drive specifications, 9-9 Memory checking system, 4-9 features, 4-13 upgrade sockets, 4-8 Memory map functions, 4-18 Metal slot cover removal, 3-10 Motion video controller features, 4-16 Mouse, 1-11 cleaning, 6-3 specifications, 9-4
NEC CD-ROM drive jumpers, 2-7 NEC CSD service and support bulletin board service (BBS), 8-4 email/fax technical support, 8-3 FTP site, 8-4 product information, 8-4 technical support services, 8-3 telephone numbers, 8-2 website, 8-2 NEC CSD service and support information, 8-2 NEC Help Center, 2-27 installing, 2-27 uninstalling, 2-27 Network, 1-12
PC adapter device, 1-12 specifications, 9-15 PCI local bus features, 4-13 PCI/IDE ports features, 4-14 Plug and play features, 4-13 Power on mode setting jumper, 4-5 Power supply, 1-10 removal, 3-21 specifications, 9-10 Preventive maintenance keyboard cleaning, 6-2 mouse cleaning, 6-3 system cleaning, 6-2 Problems diagnosing and solving, 7-6 Processor Celeron installation, 3-13 Celeron removal, 3-12 features, 4-12 Pentium II installation, 3-16 Pentium II removal, 3-15 Pentium III installation, 3-13 Pentium III removal, 3-12 removal/replacing, 3-11 setting speed, 4-4 upgrade socket, 4-8 Product information, 8-4
NEC PowerMate VT 300 Series
Celeron Processor Information
The new Intel Celeron 500-MHz and 466-MHz processors shipping in some PowerMate VT 300 Series models are Socket 370 type Celeron processors. The 500-MHz and 466-MHz Celeron processors include128 kilobytes of integrated L2 cache and a 66-MHz front side bus (FSB). The processor upgrade information in the NEC PowerMate VT 300 Series Users Guide is for Slot 1 type Celeron processors and is not for Socket 370 type Celeron processors. User-installed upgrades for the Socket 370 type Celeron processors are not supported in the PowerMate VT 300 Series system. Your version of the NEC PowerMate VT 300 Series Users Guide might not contain the jumper settings for the latest 500-MHz and 466-MHz Celeron processors. See the following figure for updated jumper information.
Processor jumpers on the system board are set correctly at the factory. Keep the jumpers at the factory settings.
Processor Jumper Settings
NEC PowerMate VT 300 Series Celeron Processor Information 1
UN26C4000PD Classic 220 Psma1 XR-C353 775I945GZ ICF-M600 Review Aqxxf 129 80857 UN55C6500 Drivestation CF 500 Samsung B300 Q1435V LD-1415M Accessories Aspire-1310 Webplus 6 ZWR165 KW850E UR5U-bh8000 ECM20 Travelmate 3280 CCD-TRV11E RSP-960AX Vodafone 226 DV-355 VGN-C1z-B GZ-MG37E Galeo 4050 148GTL Firebird 2000 GP-7000F BRC1D527 RQ-E20V YZF-R6s-2008 VP-W87 AP610N HD7140 KMD-860R Nokia 6822 Optoma H27 X6570 RH1977 Punto EVO KDL-32S2510 32WS95EF W550I HTS3020 Classic ZWF-1026 Panamera S 251-22 Rooster PMP34 DX-703 IPF8100 SX-535 ES 50 Majesty 400 Xt Live SG3000 NWA-3166 FZ1-S-2008 CDX-C8850R RM-U306 FW-V39-21M Iden I560 DPL914VD 15K II FWD798 YZF-R1-1998 BH-703 Sunfire 1997 - H Adapter Izh43 F50-112 Scpt165 LE19A650a1 Optio T20 CT-W208R 6031M-MR Smartphone PSR-400 MRS-1266 SF-360 XBM-438 Monitor LX210-2003 Lexibook E72 R-9H83 ER8997B PT-LB60U S12AM MP 2591 SP-202 Princess 1054 Isdn Abstract VR8 Boss DR-3
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