Personal Computer Maintenance & Service Guide
Table Of Contents
- NOTICE
- CONTENTS
- ABOUT THIS GUIDE
- PRODUCT DESCRIPTION
- SPARE PARTS
- REMOVAL AND REPLACEMENT PRELIMINARIES
- REMOVAL AND REPLACEMENT PROCEDURES
- 4.1 Disassembly Sequence Chart
- 4.2 Disassembly Preparation
- 4.3 Feet Installation
- 4.4 Logo Plate
- 4.5 Cable Lock
- 4.6 Access Panel
- 4.7 Front Bezel
- 4.8 Power Button
- 4.9 Subpanel and Bezel Blanks
- 4.10 Power Switch
- 4.11 Mass Storage Devices
- 4.12 Removing the Drivelocks
- 4.13 Expansion Boards
- 4.14 Board Guide
- 4.15 System Memory
- 4.16 AGP Graphics Board (440BX)
- 4.17 Processor Components
- 4.18 System Board
- 4.19 Internal Speaker
- 4.20 Lithium Battery
- 4.21 Fan Assembly
- 4.22 Power Supply
- 4.23 Converting a Desktop to a Minitower
- 4.24 Converting a Minitower to a Desktop
- CONNECTORS, JUMPERS, AND SWITCHES
- SPECIFICATIONS
- SERVICE NOTES
- INDEX
5-4 Connectors, Jumpers, and Switches
5.1.2 Switches
Location of SW1 DIP Switches on the System Board - 440BX
Switch SW1 Settings (440BX)
Password Control
Disable Password
S1
On
Enable Password (Default setting)
S1
Off
Processor Speed S2 S3 S4 S5
233/66 MHz OFF OFF ON ON
266/66 MHz ON ON OFF ON
300/66 MHz ON OFF OFF ON
333/66 MHz (maximum) OFF ON OFF ON
350/100 MHz OFF OFF ON ON
400/100 MHz ON ON OFF ON
450/100 MHz ON OFF OFF ON
500/100 MHz OFF ON OFF ON
✎
As of January 1, 1999, all 300-MHz and faster Celeron and Pentium processors
are shipped with the processor speeds preset. This preset processor speed will
override any switch settings on the system board.