IBM 2251 用户手册

IBM

Contents

About this manual . . . . . . . . . . iii

Important Safety Information

Chapter 1. General Checkout. . . . . . 1

Chapter 2. General Information . . . . . 3

Specifications .

Chapter 3. Diagnostics . . . . . . . . 7

Setup Utility program .

Product Recovery Program menu

Diagnostics download .

Navigating through the diagnostic programs .

Running diagnostic tests .

Test selection .

Module test menu/hardware configuration report 11
Memory Diagnostic tests .

¬ test. . . . . . . . . . . 12

Hard file Smart test.

Fixed Disk Optimized Test .

Quick and Full erase - hard drive .

Iomega Zip drive test .

Asset EEPROM backup .

Viewing the test log

When to use the Low-Level Format program .

Preparing the hard disk drive for use.

Chapter 4. Installing Options . . . . . 17

Input/Output connectors .

Removing the cover

Installing adapters .

Audio adapter .

Home PNA network adapter

Installing internal drives .

Installing drives in bays 1, 2 and 3

CD-ROM drive jumper settings.

Installing a hard drive in bay 4 .

Hard disk drive jumper settings

Installing a security U-bolt .

Replacing the cover.

Chapter 5. FRU Replacements. . . . . 29

Computer exploded view.

A40/A40P/A40i system board layout

System board locations

System board jumper settings .

Clear CMOS/Flash Boot Block Recovery.

Processor Speed Settings .

System board memory.

Installing memory .

Replacing a system board

Replacing a processor .

Replacing the speaker .

Replacing the fan

20-pin main power supply connection

Power supply removal.

Chapter 6. Symptom-to-FRU Index . . . 39

SIMM/DIMM/RIMM memory errors.

Hard disk drive boot error .

Diagnostic error codes .

Beep symptoms .

No-beep symptoms .

POST error codes

Miscellaneous error messages .

Undetermined problems .

Chapter 7. Parts . . . . . . . . . . . 81

Parts listing .

Keyboards (RAK 2 Black).

Computer Power Cords .

Special tools .

Chapter 8. Additional Service
Information . . . . . . . . . . . . . 93

Security features .

Power-on password

Removing a power-on password .

Administrator password .

Administrator password control

Operating system password .

Vital product data .

Management Information Format (MIF) .

Flash (BIOS/VPD) update procedure .

Flash recovery boot block jumper .

Power management

Automatic configuration and power interface
(ACPI) BIOS .

Advanced Power Management .

Automatic Hardware Power Management
features .

Setting Automatic Hardware Power
Management features.

Automatic Power-On features .

Network settings .

Flash over LAN (update POST/BIOS over
network) .

© Copyright IBM Corp. 2000

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