Contents

Chapter 1. About this manual . . . .

.

1

Selecting a temporary startup device . . . .

.

56

Important Safety Information

.

1

Changing the startup device sequence . . .

.

56

Strategy for replacing FRUs for CTO, CMV, and GAV

 

Advanced settings

. 56

products . . . . . . . . . . . . . . . . 2

Chapter 7. Symptom-to-FRU Index . .

 

. 57

Product definition

.

2

 

FRU Identification for CTO, CMV, and GAV

 

 

Hard disk drive boot error

. 57

products

.

2

Power Supply Errors

.

57

Important information about replacing RoHS

 

 

Diagnostic error codes

. 59

compliant FRUs

.

3

Beep symptoms

.

80

Chapter 2. Safety information . . . .

.

5

No-beep symptoms

.

82

POST error codes

.

83

General safety

.

5

Miscellaneous error messages

.

86

Electrical safety

.

5

Undetermined problems

.

88

Safety inspection guide

.

7

Chapter 8. Replacing FRUs

 

.

89

Handling electrostatic discharge-sensitive devices .

.

8

 

Grounding requirements

.

8

Locating connectors on the front

.

89

Safety notices (multi-lingual translations) . . . .

.

9

Locating the connectors on the rear

.

90

Chapter 3. General information . . . .

41

Opening the cover

.

90

Locating components

.

91

The Access IBM program

.

41

Identifying parts on the system board . . . .

. 92

Additional information resources

. 41

Removing and replacing a memory module . .

. 92

Specifications

.

42

Removing and replacing a PCI adapter . . . .

.

93

 

 

 

Removing and replacing the battery

. 94

Chapter 4. General Checkout

43

Removing and replacing the power supply . . .

. 96

Problem determination tips

.

44

Removing and replacing the system board . . . . 97

Removing and replacing the microprocessor . .

 

. 100

 

 

 

 

Chapter 5. Diagnostics using

 

 

Removing and replacing an optical drive . . .

 

. 102

 

 

Removing and replacing a hard disk drive . .

 

. 103

PC-Doctor for DOS

47

 

Completing the FRU replacement

 

. 104

Starting PC-Doctor from the Rescue and Recovery

 

 

 

 

 

 

workspace

.

47

Chapter 9. FRU lists

105

Starting PC-Doctor from a diagnostic diskette or

 

 

Machine Type 8086

 

.

105

CD-ROM

48

 

Machine Type 8087

 

.

115

Diagnostics program download

. 48

 

Machine Type 8088

 

.

122

Navigating through the diagnostics programs . . . 48

 

Machine Type 8089

 

.

129

Running diagnostics tests

.

48

 

Machine Type 8090

 

.

135

Test selection

.

49

 

Machine Type 8094

 

.

142

Test results

.

49

 

 

 

 

 

Fixed disk advanced test (FDAT)

. 49

Chapter 10. Additional Service

 

 

 

Quick and Full erase - hard drive

.

51

 

 

 

Information

. 149

Viewing the test log

.

52

Security features

 

.

149

 

 

 

 

Chapter 6. Using the Setup Utility . . .

53

Hardware controlled Passwords

 

. 149

Starting the Setup Utility program

.

53

Operating system password

 

. 149

Vital product data

 

.

149

Viewing and changing settings

.

53

 

Management Information Format (MIF) . .

 

. 149

Exiting from the Setup Utility program . . . .

. 53

 

BIOS levels

 

.

150

Using passwords

.

53

 

Flash update procedures

 

.

150

Password considerations

.

54

 

Updating (flashing) BIOS from a diskette or

 

 

 

User Password

.

54

 

 

 

CD-ROM

. 150

Administrator Password

.

54

Updating (flashing) BIOS from your operating

 

 

 

IDE Drive User Password

. 54

 

 

 

system

 

.

150

IDE Drive Master Password

. 54

 

Recovering from a POST/BIOS update failure

 

 

151

Setting, changing, and deleting a password . . . 55

 

 

Power management

 

.

152

Using Security Profile by Device

.

55

 

 

 

 

 

Selecting a startup device

.

56

 

 

 

 

© Lenovo 2005, 2008. Portions © IBM Corp. 2005.

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Lenovo 8086, 8094, 8089, 8088, 8090, 8087 manual Contents

8089, 8086, 8087, 8090, 8094 specifications

The Lenovo 8088, 8094, 8090, 8087, and 8086 series represent a significant portion of the historical legacy of computing, particularly in the realm of personal computers and microprocessors. Each of these models showcases unique features and technologies that contributed to the evolution of computing during their time.

Starting with the Lenovo 8088, this microprocessor was an enhancement of the earlier Intel 8086, designed primarily for use in IBM-compatible PCs. Its 16-bit processor architecture was notably capable of handling 8-bit data bus interactions, which made it more versatile for various applications. The 8088 had a maximum clock speed of 4.77 MHz, providing sufficient computational power for its time. One of the key features was its support for segmented memory, which allowed for more efficient memory management by dividing memory into segments for code, data, and stack.

The Lenovo 8094, while less commonly mentioned, often refers to IBM’s PS/2 line that utilized advanced features for the time. It supported VGA graphics, a significant improvement in visual output that opened new possibilities for graphical user interfaces. The 8094 also hosted a more sophisticated input/output system that allowed for better compatibility and connectivity with peripherals.

Moving to the Lenovo 8090, this model was part of the PS/2 portfolio, noted for its improved hardware architecture. It provided an upgraded interface for keyboard and mouse, which enhanced user interaction. With further support for high-density floppy disks and better memory access speeds, the 8090 paved the way for more efficient personal computing experiences.

The Lenovo 8087 was an auxiliary processor that brought floating-point arithmetic capabilities to the 8086 series. This coprocessor greatly expanded the computing power of the CPU by handling complex mathematical computations, which was especially useful in engineering and scientific applications. The 8087 allowed for more precise calculations than the basic integer math natively supported by earlier processors.

Finally, the Lenovo 8086, iconic in its own right, was a groundbreaking microprocessor that introduced the x86 architecture. It operated at clock speeds ranging from 5 to 10 MHz and was one of the first to support 16-bit data types fully. Its capabilities shaped software development and computer programming and established a foundation for the PC compatibles we know today.

In summary, the evolution from the Lenovo 8088 through to the 8086 helped shape modern computing paradigms by introducing features that improved performance, efficiency, and user experience, paving the way for the vast technological advancements seen in contemporary computing devices.