Sun Microsystems none manual Setting Parameters Using the hme.conf File

Page 35

4

Setting Parameters Using the hme.conf File

You can also specify the properties described in the section “Setting Parameters in the /etc/system File” on page 25 on a per device basis by creating the hme.conf file in the /kernel/drv directory. The properties set in the hme.conf file will override the parameters set in the /etc/system file. Use hme.conf when you need to set a particular parameter for a device in the system. The parameters you set are read and write parameters that are listed in Chapter 3.

The man pages for prtconf (1M), system (4) and driver.conf (4) include additional details. For example:

▼To set ipg1 to 20 and ipg2 to 10 for the SUNW,hme device in SBus slot 0xe

1.Invoke the prtconf -vcommand and pipe the output to the more command ( prtconf -v more ) or redirect the output of the command to a file name ( prtconf -v > filename) and print the redirected file.

2.Find the section in the prtconf -voutput for SUNW,hme,instance #0, or SUNW,hme,instance #1, and so on.

The output for SUNW,hme,instance #0 for a Sun Ultra 1 Creator Series system follows:

SUNW,hme, instance #0

Driver software properties: name <pm_norm_pwr> length <4>

value <0x00000001>.

name <pm_timestamp> length <4> value <0x30743b26>.

Register Specifications:

Bus Type=0xe, Address=0x8c00000, Size=108

Bus Type=0xe, Address=0x8c02000, Size=2000

Bus Type=0xe, Address=0x8c04000, Size=2000

Bus Type=0xe, Address=0x8c06000, Size=2000

Bus Type=0xe, Address=0x8c07000, Size=20

3. Become superuser.

Setting Parameters

27

Page 34 Page 36
Image 35
Page 34 Page 36
Contents PlatformNotesThehmeFast Ethernet Device Driver Please Recycle Page Page Contents Setting Parameters Contents Vii Viii Related Documentation Introduction to the hme Fast Ethernet Device DriverDescribes the typographic conventions used in this book Typographic ConventionsOrdering Sun Documents Shell Prompts in Command ExamplesSun Welcomes Your Comments Hardware Overview Hme Device DriverAuto-Negotiation Operating Speeds and ModesExternal Transceiver Internal TransceiverPlatform Notes The hme Fast Ethernet Device Driver-May Driver Parameter Values and Definitions Parameter DefinitionsRead only Local transceiver auto negotiation Capability Inter-Packet Gap Parameters Defining the Current StatusLancemode Defines the lancemode and ipg0 parameters Operational Mode ParametersSelecting the Internal or External Transceiver Reporting Transceiver Capabilities Defining the Number of Back-to-Back Packets To TransmitDescribes the read-only link partner capabilities Reporting the Link Partner Capabilities= No 100Mbit/sec half-duplex transmission Platform Notes The hme Fast Ethernet Device Driver-May Parameter Options Setting ParametersTo specify the device instance for the ndd utility Setting Parameters Using nddIdentifying Device Instances To modify a parameter value Non-Interactive and Interactive ModesTo display the value of a parameter To modify a parameter value in interactive modeRefer to -1 through 3-8 for parameter descriptions To list all the parameters supported by the hme driverTo set the mode to auto-negotiation Setting Forced ModeTo set the TCP hiwater marks for best performance Setting Parameters in the /etc/system FileConfiguring TCP/IP for Maximum Performance To benchmark the TCP/IP throughputTo set the ipg1 to 10 and ipg2 to 5 when you reboot Setting Parameters Using the hme.conf File Specify name=hme and class=sbus

none specifications

Sun Microsystems, established in 1982, became a pioneering force in the realms of computing and technology. Initially founded by four Stanford University graduates, the company was built on innovative ideas and a vision to create powerful computing solutions. One of the standout features of Sun Microsystems was its commitment to open systems and network computing. Sun's early adoption of Unix operating systems significantly influenced the development of reliable and scalable systems.

One of the key technologies developed by Sun was the SPARC architecture. This scalable, high-performance RISC (Reduced Instruction Set Computer) architecture powered many of its servers and workstations, allowing for enhanced computing capabilities. SPARC systems were well-regarded for their performance efficiency and reliability, making them a popular choice for enterprise applications.

Sun also played a crucial role in software development. The introduction of the Java programming language in the mid-1990s revolutionized how developers approached cross-platform application development. With its tagline “Write Once, Run Anywhere,” Java enabled applications to run on various platforms without modification. This technology became foundational in web-based applications and enterprise solutions.

Another notable aspect of Sun Microsystems was its commitment to networking and storage solutions. The company developed robust server systems that catered to high-performance computing demands, supporting enterprises in managing vast amounts of data. Sun’s Network File System (NFS) allowed seamless file sharing across networks, which became a standard in many organizations.

The company was also a pioneer in providing various services and solutions for data centers, including virtualization and cloud computing approaches that preceded the wave of cloud services we see today. Their emphasis on innovative storage solutions and data management systems positioned them as industry leaders.

Though Sun Microsystems was acquired by Oracle Corporation in 2010, its technological legacy continues to shape the IT landscape. The contributions made by Sun in areas such as software development, hardware architecture, and open systems have left an indelible mark on the technology industry. The emphasis on openness and innovation laid the groundwork for many principles that guide modern computing, making Sun Microsystems an integral part of the history of technology.
Top Page Image Contents