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Service Manual
width.
The built-in fast PCI IDE controller supports the ATA PIO/DMA, and the Ultra DMA33/66/100
function that supports the data transfer rate up to 100 MB/s. It provides the separate data path for
two IDE channels that can eminently improve the performance under the multi-tasking environ-
ment.
The following illustrates the system block diagram
Features
Host Interface Controller
– Supports Intel Slot 1/Socket370 Pentium II/!!! CPUs
– Synchronous Host/DRAM Clock Scheme
– Asynchronous Host/DRAM Clock Scheme
Integrated DRAM Controller
– 3-DIMM/6-Bank of 3.3V SDRAM
– Supports Memory Bus up to 133 MHz
– System Memory Size up to 3 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