Manual for NEC Direction L-Series

Manual for NEC Direction L-Series

Brand: NEC

Category: Laptop

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 8:36 p.m.

Manual Publish Date: 1997-08-01

Warranty Information

This manual details the Limited Warranty for NEC Direction L-Series systems, including coverage, exclusions, and claim procedures.

Using This Guide

This manual explains how to set up and use your NEC Direction L-Series computer.

  • Chapter 1: Introducing Your Computer: Familiarize yourself with system components.
  • Chapter 2: Using Your Computer: Learn to start up, shut down, use components, and care for your system.
  • Chapter 3: Understanding System Features: Overview of system features.
  • Chapter 4: System BIOS and Utilities: Details on BIOS settings, security, and power management.
  • Chapter 5: Installing Options: Instructions for installing and removing options.
  • Chapter 6: Setting System Board Jumpers: Information on reconfiguring jumper settings.
  • Chapter 7: 24-Hour Information Services: Lists available services for information and help.
  • Chapter 8: If You Have a Problem: Troubleshooting tips and where to find help.

Text Conventions

WARNING: Alerts to situations that could result in serious personal injury or loss of life.

CAUTION: Indicates situations that can damage hardware or software.

NOTE: Provides important information about the material being described.

Keyboard keys are printed as they appear (e.g., Ctrl, Alt, Enter). Text or keystrokes you enter appear in boldface.

Troubleshooting and error codes

Message Cause Solution
Diskette drive A Error or Diskette drive B Error. Drive A or B is present but fails the BIOS POST diskette tests. Make sure the drive is defined with the correct diskette type in the Setup Utility program and is properly attached.
Entering SETUP... Starting the Setup Utility program.
Extended memory not working or not configured properly at offset: nnnn. Extended RAM failed at offset: nnnn.
Fixed Disk 0 or Fixed Disk 1 Failure, or Fixed Disk Controller Failure. Fixed (hard) disk drive is not working or not configured properly. Make sure the drive is correctly identified in the Setup utility program and is properly attached.
Failing Bits: nnnn. The hex number nnnn is a map of the bits at the RAM address that failed the memory test. Each 1 (one) in the memory map indicates a failed bit. The failed memory could be in System, Extended or Shadowed memory.
Incorrect Drive A Type or Incorrect Drive B Type - run SETUP. Type of floppy drive A or B is not correctly identified in Setup Utility program.
Invalid NVRAM media type. Problem with NVRAM (CMOS) access.
Keyboard Controller error. The keyboard controller failed its test. The keyboard may need to be replaced.
Keyboard error. The keyboard is not working. The keyboard may need to be replaced.
Keyboard error nnnn. BIOS discovered a stuck key and displays the scan code nn for the key.
Keyboard locked—Unlock key switch. Unlock the system to proceed.
System battery is dead. Replace and run SETUP. The CMOS clock battery that supports the BIOS is dead. Replace the battery and run the Setup Utility program to reconfigure the system.
System CMOS Checksum bad—run SETUP. System CMOS has been corrupted or modified incorrectly, perhaps by an application program that changes data stored in CMOS. Run the Setup Utility program and reconfigure the system, either by selecting the default values and/or by making your own selections.
Monitor type does not match CMOS – Run SETUP. The monitor type is not correctly identified in the Setup program. Run the Setup Program.
Operating System not found. The operating system cannot be found in either Drive A or Drive C. Run the Setup program and make sure the fixed disk and drive A are properly identified.
Press <F1> to resume, <F2> to enter SETUP. Displayed after any recoverable error message. Press the <F1> key on your keyboard to start the boot process, or <F2> to enter the Setup Utility program and change any settings.
Press <F2> to enter SETUP. Optional message displayed during POST. Can be turned off in the Setup program. Run the Setup program and disable the feature.
Parity Check 1. Parity error found in the system bus. BIOS attempts to locate the address and display it on the screen. If it cannot locate the address, it displays ????.
Parity Check 2. Parity error found in the I/O bus. BIOS attempts to locate the address and display it on the screen. If it cannot locate the address, it displays ????.
Real time clock error. The real time clock failed BIOS test. This malfunction may require board repair.
Shadow RAM failed at offset: nnnn. Shadow RAM failed at offset: nnnn of the 64K block at which the error was detected.
System cache error – Cache disabled. RAM cache failed the BIOS test. BIOS disabled the cache.
System RAM failed at offset: nnnn. System RAM failed at offset: nnnn of the 64K block at which the error was detected.
System timer error. The timer test failed. This malfunction requires repair of system board.
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