Technical Information 1-3
High-performance features include:
pipeline 32-bit addressing
64-bit data
512-KB of pipeline burst secondary cache; direct mapped write-back and
write-through organization.
The system comes with 32 to 256 MB of main system memory. Two sockets on
the system board support up to 256 MB of high-speed memory using industry-
standard gold-plated dual in-line memory modules (DIMMs).
The system supports 66-MHz Synchronous DRAM (SDRAM) only.
The system supports the following DIMM configurations:
1-Mbit by 64 (8-MB DIMM)
2-Mbit by 64 (16-MB DIMM)
4-Mbit by 64 (32-MB DIMM)
8-Mbit by 64 (64-MB DIMM)
16-Mbit by 64(128-MB DIMM).
Chipset
The Intel 440EX chipset provides DMA, memory, and bus control. The chipset
includes the following chips:
Intel 82443EX PCI/AGP (PAC)
provides bus-control signals, address
paths, and data paths for transfers between the processor’s host bus, PCI
bus, Accelerated Graphics Port (AGP), and main memory.
Intel 82371EB PCI ISA IDE Xcelerator (PIIX4E)
implements the
PCI-to-ISA bridge, PCI IDE functionality, Universal Serial Bus (USB)
host/hub functions, and enhanced power management.
PCI Local Bus
The 32-bit industry-standard PCI bus is a highly-integrated input/output (I/O)
interface that offers the highest performance local bus available for the Pentium
II processor. The PCI bus supports burst modes that send large chunks of data
across the bus, allowing fast displays of high-resolution images.
The high-bandwidth PCI local bus eliminates data bottlenecks found in
traditional systems, maintains maximum performance at high clock speeds, and
provides a clear upgrade path to future technologies.
The PCI bus contains two embedded PCI devices: the PCI local bus IDE
interface and the PCI video/graphics controller. The PCI bus also contains a
connector for attaching the bus expansion board.
