8170 N/B MAINTENANCE

Hub Interface to Intel® 82801BA ICH2

---266 MB/s point-to-point hub interface to ICH2

---66 MHz base clock

---MSI interrupt messages, power management state change, SMI, SCI and SERR error indication

Accelerated Graphics Port (AGP) Interface

--- Supports a single AGP device (either a connector or on the motherboard)

---Supports AGP 2.0 including 1x, 2x, and 4x AGP data transfers and 2x/4x Fast Write protocol

---Supports only 1.5 V AGP electrical characteristics

---32 deep AGP request queue

---Delayed transaction support for AGP-to-System Memory FRAME# semantic reads

System Interrupt Support

---System bus interrupt delivery mechanism

---Interrupts signaled as upstream memory writes from AGP/PCI

---Supports peer MSI between hub interface and AGP

---Provides redirection for IPI and upstream interrupts to the system bus Power Management

---SMRAM space remapping to A0000h

---Supports extended SMRAM space above 256 MB, additional TSEG from Top of Memory

interface are not supported

---PC ’99 suspend to DRAM support

---ACPI, Revision 1.0b compliant power management

---APM, Revision 1.2 compliant power management

---NT Hardware Design Guide, Version 1.0 compliant

Package

---MCH: 593 pin FC-BGA (37.5 x 37.5 mm)

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