Intel 440BX Manual page 4

Contents
3.2.19 AGP Connector...................................................................................................... 24
3.2.20 Post Code Debugger ............................................................................................. 24
3.2.21 Clock Generation ................................................................................................... 24
3.2.22 Interrupt Map ......................................................................................................... 25
3.2.23 Memory Map.......................................................................................................... 25
4 Hardware Reference
4.1 Processor Assembly ........................................................................................................... 27
4.1.1 Thermal Management............................................................................................ 27
4.1.2 In-Target Probe Debugger Port ............................................................................. 27
4.2 Post Code Debugger .......................................................................................................... 28
4.3 ISA and PCI Expansion Slots ............................................................................................. 28
4.4 PCI Device Mapping ........................................................................................................... 28
4.5 Connector Pinouts .............................................................................................................. 29
4.5.1 ATX Power Connector ........................................................................................... 29
4.5.2 ITP Debugger Connector....................................................................................... 30
4.5.3 Stacked USB ......................................................................................................... 30
4.5.4 Mouse and Keyboard Connectors ......................................................................... 31
4.5.5 Parallel Port ........................................................................................................... 31
4.5.6 Serial Ports ............................................................................................................ 32
4.5.7 IDE Connector ....................................................................................................... 32
4.5.8 Floppy Drive Connector ......................................................................................... 33
4.5.9 PCI Slot Connector ................................................................................................ 34
4.5.10 ISA Slot Connector ................................................................................................ 35
4.6 AGP Connector................................................................................................................... 36
4.7 Jumpers .............................................................................................................................. 37
4.7.1 Enable Spread Spectrum Clocking (J14)............................................................... 37
4.7.2 Clock Frequency Selection (J15)........................................................................... 37
4.7.3 On/Off (J20) ........................................................................................................... 37
4.7.4 Flash BIOS VPP Select (J21) ................................................................................ 38
4.7.5 Flash BIOS Boot Block Control (J22) .................................................................... 38
4.7.6 SMI# Source Control (J23) .................................................................................... 38
4.7.7 CMOS RAM Clear (J24) ........................................................................................ 38
4.7.8 Push Button Switches............................................................................................ 38
4.8 In-Circuit BIOS Update ....................................................................................................... 39
5 BIOS Quick Reference
5.1 BIOS and Pre-Boot Features.............................................................................................. 41
5.2 Power-On Self-Test (POST) ............................................................................................... 41
5.3 Setup Screen System ......................................................................................................... 43
5.3.1 Basic CMOS Configuration Screen ....................................................................... 43
5.3.2 Configuring Drive Assignments ............................................................................. 44
5.3.2.1
5.3.3 Configuring IDE Drive Types ................................................................................. 45
5.4 Configuring Boot Actions .................................................................................................... 46
5.5 Custom Configuration Setup Screen .................................................................................. 46
5.6 Shadow Configuration Setup Screen.................................................................................. 47
5.7 Standard Diagnostics Routines Setup Screen.................................................................... 48
5.8 Start System BIOS Debugger Setup Screen ...................................................................... 48
5.9 Start RS232 Manufacturing Link Setup Screen .................................................................. 49
4
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......................................................................................................... 41
Configuring Floppy Drive Types............................................................. 44
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Intel 440Bx Scalable Performance Board Development Kit Manual