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IQ80960RM/RN
Evaluation Board Manual 1-1
Introduction
1
This manual describes the IQ80960RM and IQ80960RN evaluation platforms for Intel’s i960
®
RM/RN I/O processor. The i960 RM/RN I/O processors combine an 80960JT core with two PCI
bus interfaces, as well as a memory controller, DMA channels, an interrupt controller interface, and
an I
2
C serial bus. The difference between the two processors is that the 80960RN utilizes 64-bit
primary PCI and secondary PCI buses while the 80960RM utilizes both a 32-bit primary and
secondary PCI bus. The IQ80960RM and IQ80960RN platforms are full-length PCI adapter boards
and are 8.9” in height to accommodate four standard PCI connectors on the secondary PCI bus.
The boards can be installed in any PCI host system that complies with the PCI Local Bus
Specification Revision 2.1. PCI devices can be connected to the secondary bus to build powerful
intelligent I/O subsystems.
Figure 1-1. IQ80960RM/IQ80960RN Platform Functional Block Diagram
i960
®
RM/RN
I/O Processor
Flash
ROM
Logic
Analyzer
Interface
LED
Register
UART
Logic Analyzer Interface
Battery
Backup
Support
Primary PCI Bus 32/64-bits
SDRAM (x72)
Secondary PCI Slot 1
Secondary PCI Slot 2
Secondary PCI Slot 3
Secondary PCI Slot 4
Secondary PCI
Bus 32/64-bits
ROM Bus
User
LED
RS-232
Serial Port
Console
Port