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Intel
®
440Bx Scalab
le Performance
Board Deve
lopment Kit Manua
l
19
Theory of Operation
3
3.1
Block Diagram
Figure 2.
E
valuation B
oard Bl
ock Diagram
Processor
Sensor
82371EB
DRAM Bus
ITP
V
oltage
Regulator
72-Bit DIMM
72-Bit DIMM
USB
SMC FDC37B787
SuperI/O*
PS/2 Mouse
Floppy Drive
ISA Bus
Intel
®
Boot
Flash
Thermal
PCI Connectors
ISA Connectors
Bus Ma
ster IDE
PS/2 Ke
yboard
I/O API
C
IEEE 128
4 Parallel Port
COM1
COM2
Processor Ass
embly
Clock Genera
tor
PCI B
us
AGP Connector
82443BX
Host Bridge/Controller
Processor
AGP Bus
XD B
us
VCCcore
SMBus
Side Bu
s
(PGA370 S
ocket)
PIIX4E
18
20
Table of Contents
Default Chapter
3
Table of Contents
3
Kits Upgraded to Ship with 850 Mhz Celeron Processor (Replacing 566 Mhz
6
About this Manual
7
Content Overview
7
Text Conventions
8
Technical Support
9
Electronic Support Systems
9
Telephone Technical Support
9
Product Literature
9
Related Documents
10
Getting Started
11
Overview
11
Processor Assembly Features
11
Baseboard Features
12
Included Hardware
13
Software Key Features
13
General Software, Inc
13
QNX Software Systems, Ltd
14
Before You Begin
15
Setting up the Evaluation Board
16
Evaluation Board Jumpers and Connectors
16
Configuring the BIOS
18
Theory of Operation
19
Block Diagram
19
Evaluation Board Block Diagram
19
System Operation
20
Supported Processors
20
III Processor
20
Intel 82443BX Host Bridge/Controller
20
Intel Celeron™ Processor
21
82443BX Host Bridge/Controller
21
System Bus Interface
21
Accelerated Graphics Port (AGP) Interface
22
System Clocking
22
In-Target Probe
22
82371EB PCI to ISA/IDE Xcelerator (PIIX4E)
22
Dram
22
Power
23
Power Management
23
Boot ROM
23
Rtc/Nvram
23
Legacy I/O
23
IDE Support
23
Floppy Disk Support
23
Keyboard/Mouse
23
Usb
24
RS232 Ports
24
IEEE 1284 Parallel Port
24
PCI Connectors
24
ISA Connectors
24
AGP Connector
24
Post Code Debugger
24
Clock Generation
24
Interrupt Map
25
Memory Map
25
Interrupts
25
Hardware Reference
27
Processor Assembly
27
Thermal Management
27
In-Target Probe Debugger Port
27
Post Code Debugger
28
ISA and PCI Expansion Slots
28
PCI Device Mapping
28
Connector Pinouts
29
ATX Power Connector
29
Primary Power Connector (J11)
29
ITP Debugger Connector
30
Stacked USB
30
ITP 1.5 V Receptacle Connector Pin Assignment (J2 on the Processor Assembly)
30
USB Connector Pinout (J2)
30
Mouse and Keyboard Connectors
31
Parallel Port
31
Keyboard and Mouse Connector Pinouts (J1 on the Baseboard)
31
DB25 Parallel Port Connector Pinout (J3)
31
Serial Ports
32
IDE Connector
32
Serial Port Connector Pinout (J4)
32
PCI IDE1 (JP3) and IDE2 (JP4) Connector
32
Floppy Drive Connector
33
Diskette Drive Header Connector (JP1)
33
PCI Slot Connector
34
PCI Slots (J7, J8, J9)
34
ISA Slot Connector
35
ISA Slots (J5, J6)
35
AGP Connector
36
AGP Slot (J13)
36
Jumpers
37
Enable Spread Spectrum Clocking (J14)
37
Clock Frequency Selection (J15)
37
On/Off (J20)
37
Default Jumper Settings
37
Flash BIOS VPP Select (J21)
38
Flash BIOS Boot Block Control (J22)
38
SMI# Source Control (J23)
38
CMOS RAM Clear (J24)
38
Push Button Switches
38
In-Circuit BIOS Update
39
BIOS Quick Reference
41
BIOS and Pre-Boot Features
41
Power-On Self-Test (POST)
41
BIOS POST Pre-Boot Environment
42
Setup Screen System
43
Basic CMOS Configuration Screen
43
Embedded BIOS Setup Screen Menu
43
Configuring Drive Assignments
44
Configuring Floppy Drive Types
44
Embedded BIOS Basic Setup Screen
44
Configuring IDE Drive Types
45
IDE0-IDE3 Drive Assignments
45
Configuring Boot Actions
46
Custom Configuration Setup Screen
46
Shadow Configuration Setup Screen
47
Embedded BIOS Custom Setup Screen
47
Embedded BIOS Shadow Setup Screen
47
Standard Diagnostics Routines Setup Screen
48
Start System BIOS Debugger Setup Screen
48
Standard Diagnostic Routines Setup Screen
48
Start RS232 Manufacturing Link Setup Screen
49
Manufacturing Mode
49
Console Redirection
49
CE-Ready Windows CE Loader
50
Integrated BIOS Debugger
50
CE-Ready Boot Feature
50
Integrated BIOS Debugger Running over a Remote Terminal
51
Embedded BIOS POST Codes
52
Embedded BIOS Beep Codes
55
PLD Code Listing
57
Bill of Materials
59
Baseboard Bill of Materials
59
PGA370 Socket Processor Assembly Bill of Materials
64
Key Components Bill of Materials
67
Schematics
69
Index
105
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Intel 440BX Specifications
General
Brand
Intel
Model
440BX
Category
Motherboard
Language
English
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