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What is 3400?

This electronic component, produced by the manufacturer "Intel", performs the same function as "5 Series Chipset".


3400 Datasheet PDF - Intel

Part Number 3400
Description 5 Series Chipset
Manufacturers Intel 
Logo Intel Logo 


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Intel® 5 Series Chipset and
Intel® 3400 Series Chipset
Datasheet
January 2012
Document Number: 322169-004

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3400 equivalent
5.8
5.9
5.10
5.11
5.12
5.13
5.7.2.3
Read Back Command........................................................... 152
8259 Interrupt Controllers (PIC) (D31:F0) .......................................................... 153
5.8.1 Interrupt Handling............................................................................. 154
5.8.1.1
Generating Interrupts .......................................................... 154
5.8.1.2
Acknowledging Interrupts..................................................... 154
5.8.1.3
Hardware/Software Interrupt Sequence ................................. 155
5.8.2 Initialization Command Words (ICWx).................................................. 155
5.8.2.1
ICW1................................................................................. 155
5.8.2.2
ICW2................................................................................. 156
5.8.2.3
ICW3................................................................................. 156
5.8.2.4
ICW4................................................................................. 156
5.8.3 Operation Command Words (OCW)...................................................... 156
5.8.4 Modes of Operation ........................................................................... 156
5.8.4.1
Fully Nested Mode ............................................................... 156
5.8.4.2
Special Fully-Nested Mode .................................................... 157
5.8.4.3
Automatic Rotation Mode (Equal Priority Devices) .................... 157
5.8.4.4
Specific Rotation Mode (Specific Priority) ................................ 157
5.8.4.5
Poll Mode ........................................................................... 157
5.8.4.6
Edge and Level Triggered Mode............................................. 158
5.8.4.7
End of Interrupt (EOI) Operations ......................................... 158
5.8.4.8
Normal End of Interrupt ....................................................... 158
5.8.4.9
Automatic End of Interrupt Mode........................................... 158
5.8.5 Masking Interrupts ............................................................................ 159
5.8.5.1
Masking on an Individual Interrupt Request ............................ 159
5.8.5.2
Special Mask Mode .............................................................. 159
5.8.6 Steering PCI Interrupts ...................................................................... 159
Advanced Programmable Interrupt Controller (APIC) (D31:F0) .............................. 160
5.9.1 Interrupt Handling............................................................................. 160
5.9.2 Interrupt Mapping ............................................................................. 160
5.9.3 PCI / PCI Express* Message-Based Interrupts ....................................... 161
5.9.4 IOxAPIC Address Remapping .............................................................. 161
5.9.5 External Interrupt Controller Support ................................................... 161
Serial Interrupt (D31:F0) ................................................................................. 162
5.10.1 Start Frame...................................................................................... 162
5.10.2 Data Frames..................................................................................... 163
5.10.3 Stop Frame ...................................................................................... 163
5.10.4 Specific Interrupts Not Supported Using SERIRQ ................................... 163
5.10.5 Data Frame Format ........................................................................... 164
Real Time Clock (D31:F0)................................................................................. 165
5.11.1 Update Cycles................................................................................... 165
5.11.2 Interrupts ........................................................................................ 166
5.11.3 Lockable RAM Ranges ........................................................................ 166
5.11.4 Century Rollover ............................................................................... 166
5.11.5 Clearing Battery-Backed RTC RAM ....................................................... 166
Processor Interface (D31:F0) ............................................................................ 168
5.12.1 Processor Interface Signals and VLW Messages ..................................... 168
5.12.1.1 A20M# (Mask A20) / A20GATE ............................................. 168
5.12.1.2 INIT (Initialization).............................................................. 169
5.12.1.3 FERR# (Numeric Coprocessor Error) ...................................... 169
5.12.1.4 NMI (Non-Maskable Interrupt) .............................................. 170
5.12.1.5 Processor Power Good (PROCPWRGD) .................................... 170
5.12.2 Dual-Processor Issues........................................................................ 170
5.12.2.1 Usage Differences ............................................................... 170
5.12.3 Virtual Legacy Wire (VLW) Messages.................................................... 170
Power Management (D31:F0) ........................................................................... 171
5.13.1 Features .......................................................................................... 171
5.13.2 PCH and System Power States ............................................................ 171
5.13.3 System Power Planes......................................................................... 173
5.13.4 SMI#/SCI Generation ........................................................................ 173
5.13.4.1 PCI Express* SCI ................................................................ 176
5.13.4.2 PCI Express* Hot-Plug ......................................................... 176
5.13.5 C-States .......................................................................................... 176
5.13.6 Dynamic PCI Clock Control (Mobile Only).............................................. 176
5.13.6.1 Conditions for Checking the PCI Clock .................................... 177
5.13.6.2 Conditions for Maintaining the PCI Clock................................. 177
5.13.6.3 Conditions for Stopping the PCI Clock .................................... 177
5.13.6.4 Conditions for Re-Starting the PCI Clock................................. 177
Datasheet
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