Hardware Installation and User’s Guide
17
Hardware Specifications and Features
Hardware Specifications and Features
3
This chapter covers all the hardware specifications associated with the IIR controller and
its components.
Section 3.5
covers optional RAID features that are supported by the
RAID Software Suite. The accompanying Software Guide
covers all implemented
software features.
3.1
IIR Controller Hardware Features
This section provides a summary of the key features, configuration options and support
interface technology supported by the IIR controller.
Table 3-1. Hardware Architecture Features
Component
Feature
I/O Microprocessor
The 80303 processor: 100MHz, RISC 64-bit core
Cache Memory
The 80303 IOP supports up to 512 Mbytes of 64-bit 100
MHz ECC SDRAM operating at 66 MHz. It is backward
compatible to support 64, 128, and 256 Mbit SDRAM
technologies. Note: The SRCZCR is limited to 32MB of
embedded memory.
Flash Memory
3.3v, 16Mbit (2 MB) flash memory chip is used to store
the RAID firmware
I/O interface (PCI)
RAIDIOS-enabled PCI 2.2 compliant
PCI Transfer Rate
528MB/second (burst)
PCI Signaling
3.3 volts
Table 3-2. Electrical Specifications
Attribute
Measurements
Voltage Requirements
+3.3 or +5 Volts (all +/– 5% tolerance)
Power Consumption
+5V @ 0.25 Amps = 1.25W
+3.3V @ 2.5 Amps = 8.25W
