STL2 Server Board TPSSTL2 Server Board Architecture Overview

Table 2-2. SCSI Transfer Speeds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCSI Port

 

 

Asynchronous

 

 

Fast-5

 

 

Fast-10

 

 

Fast-20

 

 

Fast-40

 

 

Fast-80/Ultra160

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SE

 

 

Yes

 

 

yes

 

 

yes

 

 

yes

 

 

no

 

 

no

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LVD

 

 

Yes

 

 

yes

 

 

yes

 

 

yes

 

 

yes

 

 

yes

 

In the STL2 server board implementation, channel A provides a 68-pin, 16-bit LVD Ultra160 SCSI interface. Channel B provides a 68-pin, 16-bit Single Ended Ultra Wide SCSI interface. Each controller has its own set of PCI configuration registers and SCSI I/O registers. As a PCI 2.1/2.2 bus master, the AIC-7899 supports burst data transfers on PCI up to the maximum rate of 133 MBps using on-chip buffers.

Refer to the AIC-7899 PCI-Dual Channel SCSI Multi-Function Controller Data Manual for more information on the internal operation of this device and for descriptions of SCSI I/O registers.

2.4.1.1.1AIC-7899 Supported PCI Commands

The AIC-7899 supports PCI commands as shown in the following table:

Table 2-3. Embedded SCSI Supported PCI Commands

 

 

AIC-7899 Support

C/BE [3::0] _L

Command

Target

Master

0000

Interrupt Acknowledge

No1

No

0001

Special Cycle

No1

No

0010

I/O Read

Yes2

No

0011

I/O Write

Yes2

No

0100

Reserved

No1

No

0101

Reserved

No1

No

0110

Memory Read

Yes2, 3

Yes4

0111

Memory Write

Yes2

Yes4

1000

Reserved

No1

No

1001

Reserved

No1

No

1010

Configuration Read

Yes

No

 

 

 

 

1011

Configuration Write

Yes

No

1100

Memory Read Multiple

Yes5

Yes4

1101

Dual Address Cycle

Yes6

Yes

1110

Memory Read Line

Yes5

Yes4

1111

Memory Write and Invalidate

Yes7

Yes

Notes:

1.Ignored after checking address parity.

2.Support for 8-bit transfers only for all registers in its device register space.

3.Support for 32-bit transfers only for the external ROM/ EEPROM.

4.Support for transfers from system memory.

5.Defaults to Memory Read.

6.Will respond to DAC if PCI Address matches the MBAR[63:12].

Revision 1.0

2-9

Page 17
Image 17
Intel STL2 Scsi Transfer Speeds, Embedded Scsi Supported PCI Commands, AIC-7899 Support, Be 30 L Command Target Master

STL2 specifications

The Intel STL2, known as the Intel Storage Technology Level 2, is a robust solution designed to elevate storage management and performance for enterprise-level applications. This next-generation system is specifically tailored for organizations that demand high reliability, scalability, and efficiency in their storage solutions.

One of the primary features of the Intel STL2 is its advanced data protection mechanisms. With integrated RAID (Redundant Array of Independent Disks) support, it ensures that data remains safe, even in the event of hardware failure. RAID configurations can be easily set up and managed, allowing businesses to choose the right balance between performance and redundancy based on their unique requirements.

In terms of performance, the STL2 leverages cutting-edge SSD (Solid State Drive) integration to provide high-speed data access and reduced latency. This capability is essential for modern applications that require quick retrieval of large volumes of data, making it suitable for environments like data analytics, AI, and cloud computing.

Scalability is another significant characteristic of the Intel STL2. It is designed to grow alongside an organization’s needs, supporting a diverse range of storage architectures. Whether a company is looking to expand its data center or transition to hybrid cloud solutions, the STL2 can accommodate additional storage resources effortlessly, ensuring that performance does not degrade as storage demands increase.

Moreover, the STL2 features advanced automation and management tools that simplify storage operations. The system allows for real-time monitoring and analytics, providing insights into storage health, performance metrics, and capacity forecasts. This level of visibility enables IT teams to optimize resource utilization and proactively address potential issues before they become critical.

Another notable technology integrated into the STL2 is Intel’s Open Storage Architecture, which promotes interoperability with various software and hardware platforms. This open approach facilitates seamless integrations with existing systems and enhances flexibility within dynamic IT environments.

Lastly, Intel STL2 prioritizes energy efficiency. Its design minimizes power consumption without sacrificing performance, helping organizations reduce their operational costs and carbon footprint.

In summary, the Intel STL2 stands out in the competitive landscape of storage solutions with its focus on data protection, high performance, scalability, advanced management features, open architecture compatibility, and energy efficiency. These characteristics make it an ideal choice for businesses looking to enhance their data storage capabilities in a rapidly evolving digital landscape.