Page 2 - Legal Notices
2 Legal Notices The information in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to thismanual, including, but not limited to, the implied warranties ofmerchantability and fitness for a particular purpose. Hewlett-Packardshall not be hel...
Page 3 - Contents; iii
Contents iii 1. Installing and Configuring PCI 10/100 Base-TX Compatibility and Installation Requirements . . . . . . . . . . . . . . . . . . . . .10 Manual Speed and Duplex Mode Configuration . . . . . . . . . . . . . . . . . . .11 Autonegotiation and Autosensing. . . . . . . . . . . . . . . . . . ...
Page 4 - iv; B. Hardware Reference Information
iv Contents 6. Troubleshooting 10/100Base-TX/9000 Performance Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Corrective Action. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Troubleshooting Overview . . . . . . . . . . . . ...
Page 5 - C. Hardware Regulatory Statements
Contents v Cabling Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Cable Lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Dual Port 100Base-TX and Dual Port WideUltra 2 SCSI Specifications . . . . . . . ...
Page 7 - Preface; The manual is organized as follows:
7 Preface The information in this manual is intended for network managers whoinstall and administer 10/100Base-TX networks and Wide Ultra2 SCSIdevices. It is assumed the reader is experienced with the basics of localand wide area networking and SCSI technology. This manual describes how to install, ...
Page 10 - Chapter 1; Installing and Configuring PCI 10/100 Base-TX; Compatibility and Installation Requirements; • The PCI 10/100Base-TX/9000 ports support autonegotiation and
10 Chapter 1 Installing and Configuring PCI 10/100 Base-TX Compatibility and Installation Requirements Compatibility and Installation Requirements Following are the limits of the current PCI 10/100Base-TX/9000: • The PCI 10/100Base-TX/9000 ports support autonegotiation and autosensing. You should no...
Page 11 - Manual Speed and Duplex Mode Configuration; command as described later in this section.
Chapter 1 11 Installing and Configuring PCI 10/100 Base-TX Manual Speed and Duplex Mode Configuration Manual Speed and Duplex ModeConfiguration Because the PCI 10/100Base-TX/9000 LAN ports supportautonegotiation, you should not normally need to manually set theduplex mode. Sometimes you may need to ...
Page 14 - Autonegotiation and Autosensing
14 Chapter 1 Installing and Configuring PCI 10/100 Base-TX Autonegotiation and Autosensing Autonegotiation and Autosensing Autonegotiation is a mechanism defined in the IEEE 802.3u specificationwhereby devices sharing a link segment can exchange information andautomatically configure themselves to o...
Page 15 - What Manuals are Available
Chapter 1 15 Installing and Configuring PCI 10/100 Base-TX What Manuals are Available If a PCI 10/100Base-TX/9000 port is connected to a device, such as aswitch, that is autonegotiating, the PCI card will autonegotiate with thedevice to mutually determine the highest possible speed and duplexsetting...
Page 16 - Software Availability in Native Languages
16 Chapter 1 Installing and Configuring PCI 10/100 Base-TX Software Availability in Native Languages Software Availability in Native Languages The commands used with this product are the ones supported by theNative Language Support Catalog of HP-UX.
Page 18 - Chapter 2; Configuring Network Connectivity Using SAM
18 Chapter 2 Configuring Network Connectivity Using SAM • Step 1: Configuring Network Connectivity • Step 2: Deleting a Default Gateway (Optional)
Page 19 - Step 1: Configuring Network Connectivity; sam
Chapter 2 19 Configuring Network Connectivity Using SAM Step 1: Configuring Network Connectivity Step 1: Configuring Network Connectivity Your system may not be able to communicate with other systems, forexample, PCs, workstations, servers, etc., until you configuresystem-to-system connections by ad...
Page 21 - Step 2: Deleting a Default Gateway
Chapter 2 21 Configuring Network Connectivity Using SAM Step 2: Deleting a Default Gateway Step 2: Deleting a Default Gateway To delete a default gateway that you have added with SAM, do thefollowing: 1. Enter the following command at the HP-UX prompt: route delete default gateway_hostname where gat...
Page 24 - Chapter 3; SCSI Parameter and Termination Information; Configuring SCSI Parameters
24 Chapter 3 SCSI Parameter and Termination Information Configuring SCSI Parameters Configuring SCSI Parameters In order to change the SCSI ID, the path for the card of interest mustfirst be determined. Once the path is known, the SCSI ID may bechanged. The example below lists the commands used to d...
Page 25 - Path (dec) Initiator ID SCSI Rate Auto Term; SCSI Termination Information
Chapter 3 25 SCSI Parameter and Termination Information SCSI Termination Information Path (dec) Initiator ID SCSI Rate Auto Term ------------ -------------- ---------- --------------- . . 0/2/0/0 7 Fast ON . . . The SCSI bus speed (rate) can be changed as follows: - if at the Main Menu, type "se...
Page 27 - Troubleshooting SCSI
Page 28 - Chapter 4; Troubleshooting; General Procedure; Check the connection.
28 Chapter 4 Troubleshooting SCSI Troubleshooting Troubleshooting The A5838A host bus adapter is a single field-replaceable unit (FRU) and does notcontain any field-serviceable parts. Troubleshooting procedures described in thissection are limited to verifying that the controller is operational and ...
Page 29 - SCSI Bus Compatibility; Figure 1; Boot Menu
Chapter 4 29 Troubleshooting SCSI Troubleshooting If diagnostics determine that the controller is defective, you must replace it. Contactyour local Hewlett-Packard customer representative or call the HP Response Center. SCSI Bus Compatibility Use the SCSI command to ensure SCSI controller and SCSI d...
Page 30 - SCSI Command
30 Chapter 4 Troubleshooting SCSI Troubleshooting SCSI Command Use the SCSI command to ensure SCSI controller and SCSI device compatibility bydisplaying and selecting SCSI bus parameters. The SCSI command is available from the boot menu displayed after the test stationhas booted, provided autoboot i...
Page 31 - Display and Set SCSI IDs; SCSI init; Set the initiator (SCSI) ID of an adapter using the SCSI command.
Chapter 4 31 Troubleshooting SCSI Troubleshooting command: SCSI rate 5 2 PCI device /5.2 = fast scsi Display and Set SCSI IDs 1. Display the initiator (SCSI) IDs for all controllers, buses, and slots using theSCSI command. The following example shows the SCSI ID for the controller on bus 5 slot 2. S...
Page 32 - Contacting Your HP Representative
32 Chapter 4 Troubleshooting SCSI Troubleshooting Contacting Your HP Representative If the equipment is covered by an HP service contract, document the problem as aservice request and forward it to your HP representative. Include the followinginformation where applicable: • Describe the problem, inc...
Page 34 - SCSI Sense Codes; The following example shows a typical SCSI error message.
34 Chapter 4 Troubleshooting SCSI Troubleshooting If the equipment is not covered by an HP service contract, there may be a charge for time and materials. SCSI Sense Codes The following example shows a typical SCSI error message. [+6708 72410001 002a9858 0:7] scsi disk: CHECK CONDITION on disk 0:6:5...
Page 46 - HP-UX Manual Reference Pages; man arp
46 Chapter 5 10/100Base-TX Resources HP-UX Manual Reference Pages HP-UX Manual Reference Pages While installing, configuring, or troubleshooting 10/100Base-TX, youmay need to refer to any of the following online manual reference pages(man pages) for useful HP-UX operating system or 10/100Base-TXcomm...
Page 48 - Error Messages
48 Chapter 5 10/100Base-TX Resources Error Messages Error Messages PCI 10/100Base-TX comes with an online message catalog that is used toreport networking problems. You must use the nettl logging and tracingutility to display the probable cause and action for a message.
Page 49 - Logging Messages; nettladm
Chapter 5 49 10/100Base-TX Resources Logging Messages Logging Messages HP 100Base-TX/9000 uses the nettl(1M) logging and tracing facilitysupplied with HP-UX. You may access the logging and tracing utilityusing either the graphical user interface (GUI) version or the commandline interface. Features o...
Page 50 - • To examine just the log messages in the log file.
50 Chapter 5 10/100Base-TX Resources Logging Messages <6011> HP PCI 10/100Base-T driver detected bad cable connection between the adapter in slot 2 and the hub or switch. • To examine just the log messages in the log file. netfmt -f /var/adm/nettl.LOG00 • To check network logging and tracing s...
Page 51 - Manual Installation and Configuration; • HP 9000 PCI driver keyword:
Chapter 5 51 10/100Base-TX Resources Manual Installation and Configuration Manual Installation and Configuration If you want to manually install and configure your 10/100Base-TX/9000product, refer to the detailed instructions in the Installing andAdministering LAN/9000 Software manual. You may need ...
Page 56 - Chapter 6; • Troubleshooting Overview.
56 Chapter 6 Troubleshooting 10/100Base-TX/9000 • Troubleshooting Overview. • Diagnostic Flowcharts.
Page 57 - Performance Troubleshooting; This section is intended to provide system administrators or; Memory Subsystem Latency:
Chapter 6 57 Troubleshooting 10/100Base-TX/9000 Performance Troubleshooting Performance Troubleshooting This section is intended to provide system administrators or advanced users with detailed information on how to troubleshoot performance related problems with the PCI 100BT product. Below, a few k...
Page 58 - are in the transmit FIFO.; interface; HPPCI 10/100Base-T driver encountered a Transmit Underflow; Corrective Action; lanadmin -S TransmitThreshold nmid
58 Chapter 6 Troubleshooting 10/100Base-TX/9000 Performance Troubleshooting are in the transmit FIFO. While the current Transmit Threshold value allows the PCI 100BTproduct to achieve it's best performance, it also increases the probabilityof Transmit Underrun errors. A large number of Transmit Unde...
Page 59 - a TransmitThreshold of 1500 is conservative
Chapter 6 59 Troubleshooting 10/100Base-TX/9000 Performance Troubleshooting a TransmitThreshold of 1500 is conservative In all of the cases above after setting the Transmit Threshold mode asspecified, the lanadmin command will echo the current speed of theinterface as follows; this output may be ign...
Page 60 - Troubleshooting Overview; NOTE
60 Chapter 6 Troubleshooting 10/100Base-TX/9000 Troubleshooting Overview Troubleshooting Overview 10/100Base-TX problems can be caused by problems in a variety ofhardware and software components. The problem impacting your systemmay originate in another part of the 10/100Base-TX network. As with any...
Page 61 - Diagnostic Flowcharts; Flowchart Descriptions
Chapter 6 61 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Diagnostic Flowcharts Below is a summary of the types of network tests in the diagnosticflowcharts. Follow the flowcharts in sequence beginning with flowchart 1.Continue sequentially through flowcharts 2, 3, 4, 5, 6, 7, 8, and 9,r...
Page 63 - Flowchart 1: Network Level Loopback Test; yes
Chapter 6 63 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 1: Network Level Loopback Test Figure 6-1 Flowchart 1: Network Level Loopback Test 1 A C Execute: ping to remote host Network unreachable ? ping successful ? E Unknown host ? yes G No route to host ? yes Stop yes yes no ...
Page 64 - hos
64 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 1 Procedures A. Execute: ping to remote host. Using ping(1M), senda message to the remote host to which you are havingproblems connecting. For example: ping spiff B. ping successful? A message is printed to stdout foreac...
Page 65 - Link
Chapter 6 65 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 2: 10/100Base-TX Connections/LED Test Figure 6-2 Flowchart 2: 10/100Base-TX Connections/LED Test 2 Check: Power outlet 100 Mbit port LED=ON 10 Mbit port LED=OFF LED Display: Check status of Test Error Message ? Link LED ...
Page 66 - Check status of Link LED.
66 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 2 Procedures A. Check Power outlet. Ensure the power cord isplugged in to a live outlet. B. Test Error Message on Screen? At the HP-UXprompt, type the dmesg command, and look foran error message. Does the dmesg output sh...
Page 67 - Flowchart 3: Configuration Test
Chapter 6 67 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 3: Configuration Test Figure 6-3 Flowchart 3: Configuration Test 3 A Execute: lanscan Is your interface displayed B 5 yes yes Verify or edit/stand/system Regen kernel. Run ioscan Is driver in kernel Reboot the system E H...
Page 69 - similar to the following will be displayed:
Chapter 6 69 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts similar to the following will be displayed:
Page 72 - Flowchart 4: Configuration Test
72 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 4: Configuration Test Figure 6-4 Flowchart 4: Configuration Test no Problem solved ? Execute: netfmt A B C D E yes no 4 Execute: lanadmin Select LAN from Menu F Select NMID command and enter 10/100 Base-TX nmid Check cau...
Page 74 - Flowchart 4A: Configuration Test
74 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 4A: Configuration Test Figure 6-5 Flowchart 4A: Configuration Test Flowchart 4A Procedures A. Execute: netfmt. Use the netfmt command to view logdata (error and disaster messages). An example netfmtcommand is shown below...
Page 76 - Flowchart 5: Configuration Test
76 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 5: Configuration Test Figure 6-6 Flowchart 5: Configuration Test Flowchart 5 Procedures A. Execute: ifconfig <interface> <IP address> up. : ifconfig successful ? 5 Add ifconfig command to ? ifconfig entry in ...
Page 77 - ifconfig lan1
Chapter 6 77 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Execute ifconfig on the interface you want to configurein order to ensure that the interface is enabled. Forexample, to configure the 10/100Base-TX interfacelan1, enter: ifconfig lan1 192.6.1.17 up For more examples of the ifconfi...
Page 79 - Flowchart 6: Network Level Loopback Test
Chapter 6 79 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 6: Network Level Loopback Test Figure 6-7 Flowchart 6: Network Level Loopback Test 6 A D Entry complete ? yes Bring up remote host yes no no E B Remotehost up ? yes no Use arp to complete entry F ping local host Host ent...
Page 80 - arp spiff
80 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 6 Procedures A. Host entry in ARP cache? Using arp, check that anentry exists for the remote host in your system's ARPcache. For example: arp spiff B. Remote host up? If there is no ARP cache entry forthe remote host, fi...
Page 81 - Flowchart 7: Link Level Loopback Test
Chapter 6 81 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 7: Link Level Loopback Test Figure 6-8 Flowchart 7: Link Level Loopback Test 7 C Loopback FAILED: Address has bad Loopback FAILED: E Loopback FAILED Not an individual Correct the link H linkloop ? no Check remote host’s ...
Page 83 - flowchart 1 to verify configuration of the remote host.
Chapter 6 83 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts flowchart 1 to verify configuration of the remote host.
Page 84 - Stop
84 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 8: Transport Level Loopback Test (usingARPA) Figure 6-9 Flowchart 8: Transport Level Loopback Test (using ARPA) 8 B D Successful ? Call HP no F Network congested ? no no yes C Execute: ftp to Successful ? A Execute: teln...
Page 86 - Flowchart 9: Bridge/Gateway Loopback Test; Flowchart 9: Bridge and Gateway Loopback Test
86 Chapter 6 Troubleshooting 10/100Base-TX/9000 Diagnostic Flowcharts Flowchart 9: Bridge/Gateway Loopback Test Figure 6-10 Flowchart 9: Bridge and Gateway Loopback Test 9 F Non-HP 9000 or Configure interface G If HP 9000 up Network ? interface up I execute: ifconfig on gateway host A Execute: ping ...
Page 90 - LAN Interface Status Display
90 Appendix A 10/100Base-TX Interface Card Statistics LAN Interface Status Display LAN Interface Status Display This appendix contains descriptions of the RFC 1213 MIB II statisticsfields for LAN interface cards which are displayed on the screen with thedisplay command in lanadmin LAN Interface Test...
Page 92 - Appendix A; Ready to pass packets
92 Appendix A 10/100Base-TX Interface Card Statistics RFC 1213 MIB II RFC 1213 MIB II For more detailed information about the fields described below, refer toRFC 1213. Field Description Network Management ID A unique ID assigned by the system for the network management of each network interface. Des...
Page 94 - Outbound Non-Unicast Packets The total number of packets that
94 Appendix A 10/100Base-TX Interface Card Statistics RFC 1213 MIB II Outbound Non-Unicast Packets The total number of packets that higher-level protocols requested be transmitted to anon-unicast (a subnetwork-broadcast orsubnetwork-multicast) address, including those thatwere discarded or not sent....
Page 95 - RFC 1284 Ethernet-Like Interface Statistics
Appendix A 95 10/100Base-TX Interface Card Statistics RFC 1284 Ethernet-Like Interface Statistics RFC 1284 Ethernet-Like Interface Statistics Field Description Index A value that uniquely identifies an interface to an802.3 medium. Alignment Errors A count of frames received on a particular interface...
Page 96 - that exceed the maximum permitted framer size.
96 Appendix A 10/100Base-TX Interface Card Statistics RFC 1284 Ethernet-Like Interface Statistics condition was lost or never asserted when attemptingto transmit a frame on a particular interface. Frames Too Long A count of frames received on a particular interface that exceed the maximum permitted ...
Page 97 - Create a Record or Map of Your Internetwork
Appendix A 97 10/100Base-TX Interface Card Statistics Create a Record or Map of Your Internetwork Create a Record or Map of Your Internetwork Be sure to create or update a record of your network and internetworkbefore attempting 10/100Base-TX installation. You may wish to create amap showing how pie...
Page 99 - Hardware Reference Information
99 B Hardware Reference Information This appendix contains information about the card LEDs, cablingspecifications and card specifications.
Page 100 - Appendix B; Basic Troubleshooting Tips; dmesg
100 Appendix B Hardware Reference Information Basic Troubleshooting Tips Basic Troubleshooting Tips Listed below are some tips on troubleshooting common hardware problems.Refer to this information when you are trying to identify 10/100Base-TXhardware problems. • Check the network cables. Make sure t...
Page 101 - Connector Information; CAUTION
Appendix B 101 Hardware Reference Information Connector Information Connector Information This section includes pin usage information for the RJ-45 twisted pairconnector. Connectors on LAN adapters adhere to appropriate standardsagreed upon by various standards bodies and are widely available. Incor...
Page 103 - Unused; Pins
Appendix B 103 Hardware Reference Information Connector Information Available HP Cables: • HP 92268A - 4 meter with attached 8-pin connectors. • HP92268B - 8-meter with attached 8-pin connectors. • HP 92268C - 16-meter with attached 8-pin connectors. • HP 92268D - 32-meter with attached 8-pin connec...
Page 104 - Cabling Information; Cable Lengths; Operating Distances for Various Cable Types — 10/100Base-TX; Cat 5 or Cat 5E UTP
104 Appendix B Hardware Reference Information Cabling Information Cabling Information Connectors on LAN adapters adhere to appropriate standards agreed upon byvarious standards bodies and are widely available. Incorrectly wired or installed cabling is the most common cause ofcommunications problems ...
Page 106 - Cable Interfaces
106 Appendix B Hardware Reference Information Dual Port 100Base-TX and Dual Port Wide Ultra 2 SCSI Specifications Cable Interfaces • The 10/100Base-TX ports are compatible with IEEE 802.3u standard and use RJ-45 connectors. Communications Standards • The physical layer of IEEE 802.3ustandard support...
Page 107 - Hardware Regulatory Statements
107 C Hardware Regulatory Statements This section contains hardware regulatory statements for the Dual Port100Base-TX and Dual Port Ultra2 SCSI product used in the United States,Canada, and the European community. Refer to your Dual Port 100Base-TXand Dual Port Ultra2 SCSI Quick Installation card fo...
Page 108 - Appendix C; Canada; WARNING
108 Appendix C Hardware Regulatory Statements FCC Statement (For U.S.A.) FCC Statement (For U.S.A.) Federal Communications Commission Radio Frequency InterferenceStatement WARNING This device complies with Part 15 of the FCC rules. Operation issubject to the following two conditions:(1) This device ...
Page 111 - Glossary; Bit
111 Glossary 10Base-T: A 10 Mbit/s communication method specified in the IEEE802.3u-1995 standard. 100Base-T: A 100 Mbit/s communication method specified in the IEEE802.3u-1995 standard. The official name for Fast Ethernet. 100Base-TX: A specific implementation of 100Base-T designed tooperate over C...
Page 112 - Bus Mastering; A high-performance way to transfer data. The host; Byte A unit of information consisting of eight bits.; A program that allows a microprocessor (through the operating
112 used to transmit data, status, and control signals. EISA, PCI, and SCSIare examples of buses. Bus Mastering A high-performance way to transfer data. The host adapter controls the transfer of data directly to and from system memorywithout bothering the computer’s microprocessor. This is the faste...
Page 113 - EEPROM (electronically erasable programmable read-only memory); A SCSI device installed outside the computer cabinet.; FCC; Federal Communications Commission.; File; A named collection of information, usually stored on a disk.
113 message communications to STREAMS-based network interface drivers. DMA (direct memory access) A method of moving data from a storage device directly to RAM, without using the CPU’s resources. DMA Bus Master A feature that allows a peripheral to control the flow of data toand from system memory b...
Page 114 - Hard Disk; store very large amounts of information.; Host; A SCSI device installed inside the computer cabinet.
114 networks whereby data can flow in only one direction at a time across themultiple wire pairs of a physical link. Hard Disk A rigid disk permanently sealed into a drive cartridge. A hard disk can store very large amounts of information. Hardware Path: An identifier assigned by the system accordin...
Page 115 - IP Address: See Internet Address glossary entry.; A measure of computer storage equal to 1024 bytes.; Local Bus; A subdivision, either logical or physical, of a SCSI device. Most; Mainboard; A large circuit board that holds RAM, ROM, the microprocessor,
115 Internet Address: The network address of a computer node. Thisaddress identifies both which network the host is on and which host it is.Refer to the Installing and Administering LAN/9000 Software manualfor detailed information about network addressing. IP Address: See Internet Address glossary e...
Page 116 - A measure of computer storage equal to 1024 kilobytes.; Motherboard; See mainboard. In some countries, the term motherboard is not
116 Major Number: Unique value that identifies an individual hardwaredevice.The number for the 10/100Base-TX card floats. Maximum Transmission Unit (MTU). Largest amount of data thatcan be transmitted through that interface. This value does not includethe LLC or MAC headers. MByte (megabyte) A measu...
Page 117 - Parity Checking; A way to verify the accuracy of data transmitted over the SCSI; Peripheral Devices; Also Port Number. The address through which commands are sent; Port Number See Port Address.; A way to keep track of multiple commands while allowing increased
117 Packet: A sequence of binary digits that is transmitted as a unit in acomputer network. A packet usually contains control information plusdata. Parity Checking A way to verify the accuracy of data transmitted over the SCSI bus. One bit in the transfer is used to make the sum of all the 1 bits ei...
Page 118 - lost when the computer is turned off.; RJ-45: The name for the connector type used with UTP cabling.; Memory from which information can be read but; SCSI ID; A Symbios software product
118 lost when the computer is turned off. RISC Core Symbios SCSI chips contain a RISC (Reduced Instruction SetComputer) processor, programmed through microcode scripts. RJ-45: The name for the connector type used with UTP cabling. ROM (Read-Only Memory) Memory from which information can be read but ...
Page 119 - Ultra SCSI
119 which share the same network address space. Refer to the Installing andAdministering LAN/9000 Software manual for detailed informationabout subnetworks and subnet addressing. Subnet mask: A 32-bit mask which, when AND'd with an internetaddress, determines a subnetwork address. When the internet ...
Page 120 - VCCI; Voluntary Control Council for Interference.; VHDCI Very High Density Cable Interconnect.
120 consisting of pairs of wires twisted together without an electricallyshielding jacket. VCCI Voluntary Control Council for Interference. VHDCI Very High Density Cable Interconnect. Wide SCSI A SCSI-2 feature allowing 16 or 32-bit transfers on the SCSI bus. Thisdramatically increases the transfer ...
