Data Sheet
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R Intel® 925X/925XE Express Chipset Datasheet For the Intel® 82925X/82925XE Memory Controller Hub (MCH) November 2004 Document Number: 301464-003
R Intel® 925X/925XE Express Chipset Datasheet For the Intel® 82925X/82925XE Memory Controller Hub (MCH) November 2004 Document Number: 301464-003
Data Sheet
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.../82925XE MCH Ballout (Top View: Right Side 195 Figure 12-3. R Figures Figure 1-1. System Memory Styles 175 Figure 10-2. Intel® 82925X/82925XE MCH Signal Interface Diagram 22 Figure 3-1. PCI Memory Address Range 164 Figure 10-1. System Clocking Example 184 Figure 12-1. Intel® 925X/925XE Express Chipset System Block Diagram Example.......... 14 Figure 2-1.
.../82925XE MCH Ballout (Top View: Right Side 195 Figure 12-3. R Figures Figure 1-1. System Memory Styles 175 Figure 10-2. Intel® 82925X/82925XE MCH Signal Interface Diagram 22 Figure 3-1. PCI Memory Address Range 164 Figure 10-1. System Clocking Example 184 Figure 12-1. Intel® 925X/925XE Express Chipset System Block Diagram Example.......... 14 Figure 2-1.
Data Sheet
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... memory map, register descriptions, a description of Intel EM64T. The ICH6 is the datasheet for the Intel® 82925X MCH and Intel® 82925XE MCH. Introduction R 1 Introduction The Intel® 925X Express chipset and Intel® 925XE Express chipset are designed for use with the Intel® Pentium® 4 processor in the Intel® Extended Memory 64 Technology Software Developer...
... memory map, register descriptions, a description of Intel EM64T. The ICH6 is the datasheet for the Intel® 82925X MCH and Intel® 82925XE MCH. Introduction R 1 Introduction The Intel® 925X Express chipset and Intel® 925XE Express chipset are designed for use with the Intel® Pentium® 4 processor in the Intel® Extended Memory 64 Technology Software Developer...
Data Sheet
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...-pumped (2) Address and Source synchronous quad-pumped (4x) Data. Intel® 82925X/82925XE MCH Datasheet This includes arbitrating between its interfaces:...as shown in Figure 1-1. Thus, the 925X/925XE Express chipset is optimized for the Pentium 4 processors in a system is to system ...memory will be snooped on the host bus. To increase system performance, the MCH incorporates several queues and a write cache... configuration space. A major role of the MCH in the LGA775 socket. The MCH supports one or two channels of 266 MHz (1066...
...-pumped (2) Address and Source synchronous quad-pumped (4x) Data. Intel® 82925X/82925XE MCH Datasheet This includes arbitrating between its interfaces:...as shown in Figure 1-1. Thus, the 925X/925XE Express chipset is optimized for the Pentium 4 processors in a system is to system ...memory will be snooped on the host bus. To increase system performance, the MCH incorporates several queues and a write cache... configuration space. A major role of the MCH in the LGA775 socket. The MCH supports one or two channels of 266 MHz (1066...
Data Sheet
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... LAN controller does not appear on the external PCI bus (whose number is configurable). it appears on bus 0; Conceptual Intel® 925X/925XE Express Chipset Platform PCI Configuration Diagram Processor PCI Configuration Window in I /O Space Intel® ICH6 LPC Device Bus 0, Device 31 Function 0 DMI PCI Bridge (P2) Bus 0, Device 30 Function0 PCI_Config_Dia...
... LAN controller does not appear on the external PCI bus (whose number is configurable). it appears on bus 0; Conceptual Intel® 925X/925XE Express Chipset Platform PCI Configuration Diagram Processor PCI Configuration Window in I /O Space Intel® ICH6 LPC Device Bus 0, Device 31 Function 0 DMI PCI Bridge (P2) Bus 0, Device 30 Function0 PCI_Config_Dia...
Data Sheet
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Register Description R 3.3.5 Intel® 82925X/925XE MCH Configuration Cycle Flowchart Figure 3-5. Intel® 82925X/82925XE MCH Configuration Cycle Flowchart DW I/O Write to CONFIG_ADDRES S with bit 31 = 1 I/O Read/Write to CONFIG_DATA MCH Generates Type 1 Access to PCI Express ... Device# = 1 & Dev # 1 Enabled Yes & Function# = 0 No MCH Claims Device# = 2 & Dev# 2 Enabled & Yes Function# = 0 or 1 No GMCH Generates DMI Type 0 Configuration Cycle MCH Claims Config_Cyc_Flow_915 42 Intel® 82925X/82925XE MCH Datasheet
Register Description R 3.3.5 Intel® 82925X/925XE MCH Configuration Cycle Flowchart Figure 3-5. Intel® 82925X/82925XE MCH Configuration Cycle Flowchart DW I/O Write to CONFIG_ADDRES S with bit 31 = 1 I/O Read/Write to CONFIG_DATA MCH Generates Type 1 Access to PCI Express ... Device# = 1 & Dev # 1 Enabled Yes & Function# = 0 No MCH Claims Device# = 2 & Dev# 2 Enabled & Yes Function# = 0 or 1 No GMCH Generates DMI Type 0 Configuration Cycle MCH Claims Config_Cyc_Flow_915 42 Intel® 82925X/82925XE MCH Datasheet
Data Sheet
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Intel® 82925X/82925XE MCH Datasheet 51 Host Bridge/DRAM Controller Registers (D0:F0) R 4.1.5 4.1.6 RID-Revision Identification (D0:F0) PCI Device: Address Offset: Default Value: Access: ... & Default Description 7:0 RO Revision Identification Number (RID): This is an 8-bit value that indicates the base class code for the value of this device. See Intel® 925X/925XE Express Chipset Specification Update for the MCH. 06h = Bridge device.
Intel® 82925X/82925XE MCH Datasheet 51 Host Bridge/DRAM Controller Registers (D0:F0) R 4.1.5 4.1.6 RID-Revision Identification (D0:F0) PCI Device: Address Offset: Default Value: Access: ... & Default Description 7:0 RO Revision Identification Number (RID): This is an 8-bit value that indicates the base class code for the value of this device. See Intel® 925X/925XE Express Chipset Specification Update for the MCH. 06h = Bridge device.
Data Sheet
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... Interface (PI): This field indicates the programming interface of the device, a more specific sub-class, and a registerspecific programming interface. See Intel® 925X/925XE Express Chipset Specification Update for this device. 116 Intel® 82925X/82925XE MCH Datasheet Host-PCI Express* Graphics Bridge Registers (D1:F0) R 8.1.5 RID1-Revision Identification (D1:F0) PCI Device...
... Interface (PI): This field indicates the programming interface of the device, a more specific sub-class, and a registerspecific programming interface. See Intel® 925X/925XE Express Chipset Specification Update for this device. 116 Intel® 82925X/82925XE MCH Datasheet Host-PCI Express* Graphics Bridge Registers (D1:F0) R 8.1.5 RID1-Revision Identification (D1:F0) PCI Device...