MiTAC 7521 PLUS/N service manual Integrated Dram Controller

7521Plus / N N/B MAINTENANCE

Integrated DRAM Controller

3-DIMM/6-Bank of 3.3V SDRAM Supports Memory Bus up to 133 MHz System Memory Size up to 1.5 GB Up to 512MB per Row

Supports 16Mb, 64Mb, 128Mb, 256Mb, 512Mb SDRAM Technology Suspend-to-RAM (STR)

Relocatable System Management Memory Region

Programmable Buffer Strength for CS#, DQM[7:0], WE#, RAS#, CAS#, CKE, MA[14:0] and MD[63:0] Shadow RAM Size from 640KB to 1MB in 16KB increments

Two Programmable PCI Hole Areas

Integrated A.G.P. Compliant Target /66Mhz Host-to-PCI Bridge AGP v2.0 Compliant

Supports Graphic Window Size from 4MBytes to 256MBytes

Supports Pipelined Process in CPU-to Integrated 3D A.G.P. VGA Access

Supports 8 Way, 16 Entries Page Table Cache for GART to Enhance Integrated A.G.P. VGA Controller Read/Write Performance

Supports PCI-to-PCI Bridge Function for Memory Write from 33MHz PCI Bus to Integrated A.G.P. VGA Supports Additional AGP slot with 4X and Fast Write Transaction

Meet PC99 Requirements

PCI 2.2 Specification Compliant

High Performance PCI Arbiter Supports up to 4 PCI Masters

Guaranteed Minimum Access Time for CPU and PCI Masters

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