Ide Controller; Features Of The Ide Controller; Disk Drive Support; Primary Ide Channel - Intel NetStructure ZT 5504 Manual

6. IDE Controller

The ZT 5504's IDE controller provides two IDE channels for interfacing with up to four IDE
devices. The IDE controller is incorporated into the Intel PIIX4E (82371EB) device, which uses
the Peripheral Component Interconnect (PCI) bus to provide exceptional IDE performance. The
IDE controller can sustain a maximum transfer rate of 33 Mbps between the IDE drive buffer
and the PCI bus.
The "Intel 440GX AGPset" topic in Appendix E provides a link to the PIIX4E datasheet.

Features of the IDE Controller

• Primary and Secondary channels for interfacing up to four devices
• IBM-AT compatible
• Supports PIO and Bus Master IDE
• "Ultra DMA/33" Synchronous DMA Operation
• Bus Master IDE transfers up to 33 MB/sec.
• Individual software control for each IDE channel
• 32-bit, 33 MHz, high performance PCI bus interface

Disk Drive Support

The ZT 5504 supports internal and external IDE devices. These configurations are described
below.

Primary IDE Channel

The ZT 5504's primary IDE channel is directed to the
interface with the locally mounted hard drive and with an optional IDE device, such as a CD-
ROM drive, installed elsewhere in the system.

Secondary IDE Channel

The ZT 5504's Secondary IDE channel is directed via the
compatible rear panel I/O board. Rear Panel I/O boards, such as the ZT 4807, can be installed
in-line behind the ZT 5504 to provide expanded I/O capability. Refer to the
ZT 4807 Packet Switched Rear-Panel Transition Board Hardware Manual
information.
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J14 IDE connector. J14 is used to
J5 rear-panel I/O connector to a
Intel NetStructure
for product
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