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- Page 1 KZPBA–CA PCI-to-UltraSCSI Host Adapter User’s Guide EK–KZPBA–UG. B01 Digital Equipment Corporation Maynard, Massachusetts...
- Page 2 Digital Equipment Corporation makes no representations that the use of its products in the manner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.
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Page 3: Table Of Contents
Contents Revision Record ......................... vii About This Guide ......................ix Overview Introduction ......................1–1 KZPBA–CA Ultra Wide Single-ended Host Adapter..........1–2 Major Features of the KZPBA–CA ................ 1–2 PCI Bus Interface ..................... 1–3 SCSI-3 Implementation ..................1–3 Maximum Off-loading of Host CPU Requirements .......... 1–3 Support and Information Services ................ - Page 4 KZPBA–CA PCI-to-UltraSCSI Host Adapter Installing the KZPBA–CA Adapter (cont.) 3.3.2 Connecting External SCSI Devices..............3–8 Setting SCSI Bus Termination ................3–10 3.4.1 SCSI Device Termination................3–10 3.4.2 Host Adapter Termination ................3–11 Single-Ended Module..................3–10 3.4.3 Possible Termination Configurations.............. 3–11 Internal Devices Only..................
- Page 5 Contents Troubleshooting Introduction......................6−1 System Power-on Problems ................... 6−2 SCSI Device Problems ..................6−3 Boot Sequence Problems ..................6−4 A EEROM Parameter Settings EEROM Parameter Settings..................A–1 Figures 2–1 Host Adapter and FAST-10 StorageWorks Shelf........... 2–4 2–2 Host Adapter and Ultra SCSI StorageWorks Shelf ..........2–5 3–1 KZPBA–CA Single-ended Host Adapter...............
- Page 6 KZPBA–CA PCI-to-UltraSCSI Host Adapter Tables 1–1 KZPBA–CA Specifications..................1–4 4–1 Default FIFO Threshold for Various Chips ............4−8 5−1 QLogic “Fast!Util” Main Menu Options............... 5−2 5−2 Host Adapter Settings................... 5−5 5−3 SCSI Device Settings ................... 5−7 6–1 Power-on Problems Troubleshooting Table............6–2 6–2 SCSI Device Troubleshooting Table ..............
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Page 7: Revision Record
Revision Record This Revision Record provides a concise publication history of this guide. It lists the guide revision levels, release dates, and reasons for the revisions. It also describes how the changes to affected pages are marked in the guide. The following revision history lists all revisions of this publication and their effective dates. -
Page 9: About This Guide
About This Guide This chapter tells you what this User’s Guide does, identifies the audience, describes the structure and contents (chapter-by-chapter), lists the conventions used in the guide, and tells you how to get support and services from DIGITAL. Introduction This guide describes how to install and configure the KZPBA–CA PCI-to-Ultra SCSI Host Adapter, and how to use the software utilities to modify the parameters in the flash EEROM located on the module. -
Page 10: Eerom Parameter Settings
KZPBA–CA PCI–to–UltraSCSI Host Adapter • Chapter 3: Installing the KZPBA–CA PCI-to-Ultra SCSI Host Adapter — Describes how to install the KZPBA–CA board into a computer. The procedures include terminating the SCSI bus, verifying the installation, and connecting the board to internal and external SCSI devices. •... - Page 11 About This Guide Support and Services Who to contact in the Americas Information and Product Questions: Local Sales Office / StorageWorks Hotline 1-800-786-7967 Installation Support: Contact the DIGITAL Distributor where the Storage Solution was Purchased / Local Digital Sales Office. DIGITAL Multivendor Customer Service (MCS) Installation Contact the DIGITAL Customer Support...
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Page 13: Overview
Overview This chapter provides an overview of the KZPBA–CA PCI-to-Ultra SCSI Host Adapter. The KZPBA–CA is an ultra wide single-ended host adapter. Introduction The KZPBA–CA host adapter module provides the interface between the host computer’s PCI bus and internal and/or external SCSI devices. The KZPBA–CA combines a powerful Reduced Instruction Set Computing (RISC) processor, a SCSI executive processor, and a PCI local bus interface on a single chip. -
Page 14: Kzpba-Ca Ultra Wide Single-Ended Host Adapter
KZPBA–CA PCI-to-UltraSCSI Host Adapter The host adapter supports multithreaded I/O operations, thereby allowing simultaneous operations on multiple SCSI targets or Logical Units (LUNs). In systems with multiple targets, the Disconnect/Reconnect feature optimizes SCSI bus usage. In systems that have fragmented memory buffers, the Scatter/Gather feature provides high performance. -
Page 15: Pci Bus Interface
Chapter 1. Overview PCI Bus Interface • Up to 132 MB/sec data transfer rate on the PCI bus • PCI single and dual address cycles support • PCI bus address and data parity generation • PCI bus master for data transfer SCSI-3 Implementation •... -
Page 16: Support And Information Services
KZPBA–CA PCI-to-UltraSCSI Host Adapter Support and Information Services The KZPBA–CA Host Adapter is designed for easy installation and use. If you need further assistance, please contact your DIGITAL services representative. Specifications for the KZPBA–CA are listed in Table 1–1. Table 1–1 KZPBA–CA Specifications Item Specification Operating Power... -
Page 17: Configuration Guidelines
Configuration Guidelines Before you install the KZPBA–CA host adapter in your computer, you need to become familiar with the product, the configuration guidelines for the host adapter, and its SCSI bus. This chapter includes installation guidelines, a description of single-ended SCSI buses, and sample configurations. -
Page 18: Scsi Id Selection
KZPBA–CA PCI-to-UltraSCSI Host Adapter SCSI ID Selection The KZPBA–CA host adapter is assigned SCSI ID 7. For the SCSI devices mounted in the storage shelf, the device address is determined by its physical location in the storage shelf, with the slot number equating to the SCSI ID number. -
Page 19: Scsi Bus Termination
Chapter 2. Configuration Guidelines UltraSCSI Configuration Guidelines for cable lengths. For Fast-10 SCSI configurations with BA356 StorageWorks enclosures, the maximum cable length is 2.0 meters. SCSI Bus Termination The integrity of the data written to or read from a SCSI device can be seriously compromised due to signal reflections caused by an unbalanced SCSI bus. -
Page 20: Host Adapter And Fast-10 Storageworks Shelf
KZPBA–CA PCI-to-UltraSCSI Host Adapter Figure 2–1 Host Adapter and FAST-10 StorageWorks Shelf NOTE Maximum cable length is 2 meters 2–4 EK–KZPBA–UG. B01... -
Page 21: Ultrascsi Configuration Example
Chapter 2. Configuration Guidelines 2.5 UltraSCSI Configuration Example This sample configuration (Figure 2-2) shows how you can connect the KZPBA–CA PCI-to-SCSI Host Adapter to an UltraSCSI StorageWorks shelf. Figure 2–2 Host Adapter and UltraSCSI StorageWorks Shelf H ost C om pu te r S ystem M od ule P C I B us... -
Page 23: Installing The Kzpba-Ca Adapter
Installing the KZPBA–CA Adapter This chapter describes how to install the KZPBA–CA board into a computer. The procedures include terminating the SCSI bus, verifying and troubleshooting the installation, and connecting the board to internal and external SCSI devices. Installation Overview The installation of the KZPBA–CA includes the following steps: •... -
Page 24: User-Supplied Hardware And Software Requirements
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer 3.2.1 User-Supplied Hardware and Software Requirements The KZPBA–CA PCI-to-UltraSCSI Host Adapter requires the following user- supplied hardware and software: • An AXP- or Intel-based computer system with a PCI local bus, a 3½-inch (1.44 MB) floppy drive, an available PCI slot, disk space to load software drivers, and the associated system hardware manual •... -
Page 25: Kzpba-Ca Single-Ended Host Adapter
Chapter 3. Installing the KZPBA–CA Adapter Figure 3–1 KZPBA–CA Single-Ended Host Adapter CAUTION To protect the board from static discharge, wear an electrostatic discharge (ESD) wrist strap. If a wrist strap is unavailable, ground yourself by touching a bare metal surface on the computer chassis before you open the case. -
Page 26: Installing The Kzpba-Ca Host Adapter
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer NOTE PCI cards are designed with their components on the opposite side of non-PCI cards 5. Secure the KZPBA–CA host adapter with the screw previously used to secure the slot cover. 6. Do not install the computer cover or reconnect power until all the SCSI devices are connected. -
Page 27: Connecting Internal Scsi Devices
Chapter 3. Installing the KZPBA–CA Adapter 3.3.1 Connecting Internal SCSI Devices Refer to your SCSI device documentation if you want to install one or more SCSI device inside the host computer. The internal device(s) must be single- ended. To connect an internal SCSI device to the KZPBA–CA host adapter, you will need one, or both, of the following cables depending on the requirements of your internal drive. -
Page 28: Installing The 68-Pin Cable Connector Onto The Host Adapter
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer Figure 3–3 Installing the 68-pin Cable Connector Onto the Host Adapter Figure 3–4 Installing the 50-pin Cable Connector Onto the Host Adapter 3–6 EK–KZPBA–UG. B01... -
Page 29: Connecting Ribbon Cable To Internal Scsi Device
Chapter 3. Installing the KZPBA–CA Adapter NOTE The colored stripe on one side of the ribbon cable must be aligned with pin 1 on the host adapter board. For all remaining connections on the SCSI bus, make sure that the colored stripe edge of the ribbon cable aligns with pin 1 on the SCSI device connector. -
Page 30: Connecting External Scsi Devices
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer Figure 3–6 Connecting Ribbon Cable to a Second Internal SCSI Device 4. To connect three or more internal SCSI devices to the SCSI bus, the ribbon cable must have enough connectors to accommodate all the devices. Plug the connectors into the SCSI devices maintaining the pin-1 orientation. -
Page 31: Connecting External Scsi Cable To Host Adapter
Chapter 3. Installing the KZPBA–CA Adapter Figure 3–7 Connecting External SCSI Cable to Host Adapter 2. Attach the other end of the cable to the connector on the personality module in the DS–BA356–XX wide SCSI storage shelf (see Figure 3–8). EK–KZPBA–UG. -
Page 32: Setting Scsi Bus Termination
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer Figure 3–8 Connecting External SCSI Cable to External SCSI Device E xtern al S C S I D evice s P erson a lity E xterna l M od u le S C S I C ab le s S H R -10 6 0 Setting SCSI Bus Termination A set of terminating resistors must be either physically installed or software... -
Page 33: Host Adapter Termination
Chapter 3. Installing the KZPBA–CA Adapter 3.4.2 Host Adapter Termination Termination on the KZPBA–CA single-ended host adapter module is software controlled and its default is auto enabled. If you are using only one internal connector or external connector, the default does not have to be changed. Single-Ended Module On the single-ended module, if you are using both internal connectors, the default termination must be changed. -
Page 34: Single Internal Scsi Bus
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer Figure 3–9 Single Internal SCSI Bus CAUTION A KZPBA–CA host adapter does not support the simultaneous use of both internal and external connectors. If it is necessary to attach both internal and external SCSI devices, a second KZPBA–CA Host Adapter can be installed in the same host computer. -
Page 35: External Devices Only
Chapter 3. Installing the KZPBA–CA Adapter Figure 3–10 Two Internal SCSI Buses External Devices Only When only external SCSI devices are connected to the host adapter, the last external device must be terminated and all other devices must have their termination removed. -
Page 36: Scsi Device Identification (Scsi Id) And Arbitration
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer Figure 3–11 External SCSI Bus Term ination Pers onality E nabled M odule Hos t A dapter Ternm ination Enabled K ZPB A -13 S H R -1 05 9 SCSI Device Identification (SCSI ID) and Arbitration Every device on a SCSI bus, including the Host Adapter, must be uniquely identified with a SCSI ID. -
Page 37: Scsi Bus Priority Arbitration
ARC Boot Menu on your display terminal. Typically, your display should look like the following: Alpha Firmware Version 4.52 Copyright (c) 1993-1996 Microsoft Corporation Copyright (c) 1993-1996 Digital Equipment Corporation Boot Menu Boot Windows NT Boot an alternate operating system Run a program Supplementary menu ... - Page 38 KZPBA–CA PCI-to-UltraSCSI Host Adaptaer If you do not see this menu, refer to your system documentation for more information about initially setting up your Alpha AXP. Return to this procedure when you have the Boot Menu displayed. 2. From the Boot Menu, select the Supplementary Menu item. 3.
- Page 39 Chapter 3. Installing the KZPBA–CA Adapter PCI slot information Device Function Vendor Device Revision Interrupt Device Number Number Vector Type 1011 Bridge 8086 EISA Bridge 1011 Video Card 1011 Ethernet 1020 SCSI 1020 SCSI 6. Note that the fifth row in the table contains a Vendor ID field of 0 and a Device ID of 1020.
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Page 40: For Systems Running Alpha Bios
KZPBA–CA PCI-to-UltraSCSI Host Adaptaer 3.7.2 For Systems Running Alpha BIOS If your system is running with an Alpha BIOS, verify the proper installation of the KZPBA-CA as follows: 1. Power up your system; after the Alpha AXP goes through its start-up sequence the Alpha BIOS initialization screen should appear. - Page 41 Chapter 3. Installing the KZPBA–CA Adapter 3. To further verify the installation, if desired, press the Alt-Q key combination when the QLogic Ultra board BIOS initialization message appears to start the QLogic Fast! Utility. 4. The QLogic Fast! Utility displays the selected adapter in the top, left-hand corner of the main menu.
- Page 42 KZPBA–CA PCI-to-UltraSCSI Host Adaptaer Digital Equipment Corporation AlphaServer 2100 4/200 SRM Console V4.0 – 3 VMS PALcode X5.48-94, OSF PALcode X1.35-39 Component Status Module ID CPU 0 B2020-AA DECchip (tm) 21064-3 Memory 0 B2021-BA 64 MB B2021-AA dva0.0.0.0.1 RX26 Slot...
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Page 43: Eerom Configuration Utility
EEROM Configuration Utility (Alpha-Systems) This chapter describes the EEROM configuration utility for the KZPBA-CA adapter in Alpha- systems. EEROM Parameter Settings The KZPBA-CA host adapter ships with factory default EEROM parameters that determine how the host adapter board operates and interacts with connected devices. -
Page 44: Setting Terminal
NT by typing: set os_type NT, and reboot your system. Figure 4–1 The ARC Console Screen Alpha Firmware Version 4.52 Copyright (c) 1993-1996 Microsoft Corporation Copyright (c) 1993-1996 Digital Equipment Corporation Boot Menu Boot Windows NT Boot an alternate operating system Run a program Supplementary menu ... -
Page 45: The Select Isp1020/1040 Screen
Chapter 4. EEROM Configuration Utility 4. Type either of the following at the prompt and press Enter: To start from a floppy diskette, type: a:eeromcfg To start from a CD-ROM, type: cd:\utility\eeromcfg 5. Press the Enter key. The ISP1020/1040 EEROM Configuration Utility V2.1 screen appears similar to the one shown in Figure 4–2. - Page 46 KZPBA-CA PCI-to-UltraSCSI Host Adapter 4.2.2.2 Systems With AlphaBIOS For systems with AlphaBIOS, follow these steps to start the EEROM Configuration Utility: 1. If your system runs Windows NT, go to Step 3; otherwise continue with Step 2. 2. If your system is running SRM console, set the os_type variable to NT by typing: set os_type NT;...
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Page 47: Using The Eerom Configuration Utility
Chapter 4. EEROM Configuration Utility Using the EEROM Configuration Utility Use the up and down arrow keys to move the selector brackets [ ]. To begin, move the selector brackets to the ISP1020/1040 on the Select ISP1020/1040 screen, shown in Figure 4−2, that you want to configure. The Configure EEROM Parameters menu appears as shown in Figure 4–3 for ISP 1020 and in Figure 4−4 for ISP 1040. -
Page 48: Changing Eerom Parameters
KZPBA-CA PCI-to-UltraSCSI Host Adapter Changing EEROM Parameters Tables A–1 and A–3 in Appendix A describe reasons to change the EEROM parameters. This section describes how to change: • Host adapter parameter settings, which control the general operation of the KZPBA-CA host adapter and, •... -
Page 49: The Edit Eerom Host Adapter Parameters Screen
Chapter 4. EEROM Configuration Utility Figure 4–5 The Edit EEROM Host Adapter Parameters Screen +================Edit EEROM Host Adapter Parameters============= + Parameters Default |FIFO Threshold |Host Adapter Enable |Initiator SCSI ID |Bus Reset Delay |Retry Count |Retry Delay |Asynchronous Data Setup Time |REQ/ACK Active Negation |Data Line Active Negation |Data DMA Burst Enable... -
Page 50: Default Fifo Threshold For Various Chips
KZPBA-CA PCI-to-UltraSCSI Host Adapter Table 4−1 Default FIFO Threshold for Various Chips Chip Default FIFO Threshold Value Representing Each Threshold ISP 1020 32 bytes ISP 1020A 64 bytes ISP 1040B 64 bytes 3. When you finish changing host adapter parameters, press the “o” key to confirm your changes. -
Page 51: Edit Eerom Device Parameters Screen
Chapter 4. EEROM Configuration Utility Figure 4–6 Edit EEROM Device Parameters Screen +=====================Edit EEROM Device Parameters============== + Parameters Default Dev0 Dev1 Dev2 Dev3 | |Renegotiate on Error [ 1 ] [ 1 ] [ ] [ 1 ] | |Stop Queue on Check Condition [ 0 ] [ 0 ] [ 0 ] [ 0 ] | |Auto Request Sense [ 1 ] [ 1 ] [ 1 ] [ 1 ] |... -
Page 52: Enabling Fast-20 On All Devices Connected To A Fast-20 Board
KZPBA-CA PCI-to-UltraSCSI Host Adapter 4. When you finish changing device adapter parameters, press the “o” key to save your changes, or press the “c” key if you do not want to save changes. If you press the “o” key, a Write EEPROM Parameters screen appears. If you press the “c”... -
Page 53: Enabling Fast-10 On All Devices Connected To A Fast-10 Board
Chapter 4. EEROM Configuration Utility 4.4.4 Enabling FAST-10 on all Devices Connected to a FAST-10 Board To set all devices connected to a FAST-10 board to negotiate for FAST-10, follow these steps: 1. Use the up and down arrow keys, or type “f” to move the bracket selector to the Enable (F)AST-10 on all devices option on the Configure EEROM Parameters menu and press Enter to select. -
Page 55: Qlogic "Fast!Util" (Intel-Systems)
QLogic “Fast!Util” (Intel-Systems) This chapter describes the QLogic “Fast!Util” for the KZPBA-CA adapter in Intel-systems. EEROM Parameter Settings The KZPBA-CA host adapter ships with factory default EEROM parameters that determine how the host adapter board operates and interacts with connected devices. -
Page 56: Qlogic Fast! Util Main Menu
KZPBA-CA PCI-to-UltraSCSI Host Adapter Figure 5−1 QLogic Fast! Util Main Menu QLogic Fast! UTIL Version 1.27 Selected Adapter Adapter Type I/O Address PCI Ultra-W 8000 Fast! UTIL Options Configuration Settings Scan SCSI Bus SCSI Disk Utility Select Host Adapter Exit Fast! UTIL U s e <... -
Page 57: Changing Configuration Settings
Chapter 5. QLogic Fast!Util Changing Configuration Settings You can change configuration settings for a particular option, reset all settings to their defaults, or auto–configure settings. To change or view configuration settings, follow these steps: 1. Use the arrow keys to move the cursor to Configuration Settings on the Fast!Util main menu and press the Enter key. -
Page 58: Host Adapter Settings
KZPBA-CA PCI-to-UltraSCSI Host Adapter Figure 5−3 Host Adapter Settings QLogic Fast! UTIL Version 1.27 Selected Adapter Adapter Type I/O Address PCI Ultra-W 8000 Host Adapter Settings BIOS Address: CC000 BIOS Revision: 4.15 Interrupt Level: Host Adapter: Enabled Host Adapter BIOS: Enabled Host Adapter SCSI ID: PCI bus DMA burst:... -
Page 59: Changing Scsi Device Settings
Chapter 5. QLogic Fast!Util Table 5−2 Host Adapter Settings Setting Range Default Host Adapter Enabled or Disabled Enabled Host Adapter BIOS Enabled or Disabled Enabled Host Adapter SCSI ID 0-7 (Fast!SCSI PCI Ultra- 0-15 (Fast!SCSI PCI Ultra- W and Fast!SCSI PCI Ultra-D) PCI bus DMA burst Enabled or Disabled... -
Page 60: Scsi Device Settings
KZPBA-CA PCI-to-UltraSCSI Host Adapter Figure 5−4 SCSI Device Settings QLogic Fast! UTIL Version 1.27 Selected Adapter Adapter Type I/O Address PCI Ultra-W 8000 SCSI Device Settings SCSI ID: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Enable Devices yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes Disconnects OK... -
Page 61: Autoconfiguring Scsi Devices
Chapter 5. QLogic Fast!Util 3. Use the Tab key to select an entire group of settings or the arrow key to select the setting for one SCSI ID at a time. Press the Enter key to toggle the setting option. Table 5−3 shows the default SCSI device settings. 4. -
Page 62: Restoring Default Settings
KZPBA-CA PCI-to-UltraSCSI Host Adapter 3. When the utility finishes polling the SCSI IDs, it displays a list of the SCSI device settings, similar to the list shown in Figure 5−4. 4. Change settings as needed. Press the Esc key to exit. 5.3.4 Restoring Default Settings Use Restore Default Settings to restore SCSI device settings to their default states. -
Page 63: Formatting Devices
Chapter 5. QLogic Fast!Util Formatting Devices Use the SCSI Disk Utility option to select a device on the SCSI bus for low-level formatting, or to check for media defects. To use the SCSI Disk Utility, follow these steps: 1. Use the arrow keys to move the cursor to SCSI Disk Utility option on the Fast!Util main menu and press the Enter key. -
Page 65: Troubleshooting
Troubleshooting This chapter provides troubleshooting information to help diagnose problems that can occur during the installation of the KZPBA-CA adapter. If you experience difficulty in in- stalling or verifying the operation of the adapter, refer to the information in the trouble- shooting tables to isolate and diagnose the problem. -
Page 66: System Power-On Problems
KZPBA-CA PCI-to-UltraSCSI Host Adapter System Power-on Problems After you turn on your host system, the CPU either performs a series of self-tests or enters the console mode. Table 6–1 describes possible problems that could oc- cur during self-tests, specifies their probable cause, and provides corrective ac- tion. -
Page 67: Scsi Device Problems
Chapter 6. Troubleshooting SCSI Device Problems Table 6–2 lists a SCSI device problem, specifies the probable causes, and sug- gests corrective actions for each probable cause. Table 6–2 SCSI Device Troubleshooting Table Symptom Probable Cause Corrective Action SCSI device does not ap- Device cannot negotiate Use the EEROM configura- pear in the configuration... -
Page 68: Boot Sequence Problems
KZPBA-CA PCI-to-UltraSCSI Host Adapter Table 6–2 SCSI Device Troubleshooting Table (Continued) Symptom Probable Cause Corrective Action SCSI device . . . (con't) SCSI bus not terminated Ensure each end of the bus is properly. terminated. Ensure devices in the middle of the bus are not terminated. -
Page 69: Boot Sequence Troubleshooting Table
Chapter 6. Troubleshooting Table 6–3 Boot Sequence Troubleshooting Table Symptom Probable Cause Corrective Action Boot failure Incorrect boot device Re-define the default boot device. Refer to was specified at the your system user's guide for specific console boot command. environmental parameter settings. KZPBA-CA is not termi- Ensure each end of the SCSI bus is termi- nated properly. -
Page 71: A.1 Eerom Parameter Settings
EEROM Parameter Settings This chapter describes EEROM device-specific parameters on the KZPBA-CA. It provides a description of each parameter, its default setting, and available options. It also lists the FIFO threshold controls and their corresponding parameter settings, the asynchronous data setup times, and the parameter selection time-out values. A.1 EEROM Parameter Settings Descriptions of the host adapter parameters and device (specific) parameters available through the Alpha AXP configuration utility appear in Tables A–1 and... -
Page 72: Descriptions Of Host Adapter Parameters (Kzpba-Ca General Operation
KZPBA-CA PCI-to-UltraSCSI Storage Adapter Table A–1 Descriptions of Host Adapter Parameters (KZPBA-CA General Operation) Parameter Default Description Option FIFO Threshold Sets the FIFO threshold point at See Table A–2 for the which burst transfers are requested FIFO threshold points 1020 on the KZPBA-CA host adapter. - Page 73 Appendix A. EEROM Parameter Settings Table –1 Descriptions of Host Adapter Parameters (KZPBA-CA General Operation) ( Continued Parameter Default Description Option REQ/ACK Provides Active pull-up assist in Set to 0 to disable the Active Negation single-ended mode. (The REQ and active negation.
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Page 74: Selection Time-Out Values
KZPBA-CA PCI-to-UltraSCSI Storage Adapter Table –1 Descriptions of Host Adapter Parameters (KZPBA-CA General Operation) ( Continued Parameter Default Description Option High Provides termination to the high- Set to 0 if termination Termination order eight bits. not required on high- Enable order 8-bits, or not required on the board. - Page 75 Appendix A. EEROM Parameter Settings Table –2 FIFO Threshold Controls and Corresponding Parameter Setting Parameter FIFO Threshold Point Enable FIFO 128 128 bytes full during host memory writes. 128 bytes empty during host memory reads. 3 (default) 64 bytes full during host memory writes. 64 bytes empty during host memory reads.
- Page 76 KZPBA-CA PCI-to-UltraSCSI Storage Adapter Table –4 Descriptions of Device EEROM Parameters (KZPBA-CA to Device Interaction) Parameter Default Description Option Re-negotiate-on- Set to 1, enables re-negotiation Set to 0 to disable re- Error for synchronous and wide data negotiation on error. transfers (if wide transfers are enabled) after a hard reset, power cycle, or a bus device...
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Page 77: Descriptions Of Device Eerom Parameters (Kzpba-Ca-To-Device Interaction
Appendix A. EEROM Parameter Settings Table A–4 Descriptions of Device EEROM Parameters (KZPBA-CA to Device Interaction)( Continued Parameter Default Description Option Disconnect Determines whether the drive can When set to 0, Allowed sever its communications link. disconnects are not Allows the drive to sever the allowed. - Page 79 (please include page, paragraph, table or figure number) Most-Liked Features Least-Liked Features Suggestions for Improvement Return Address: Customer Research Name Phone Response Center Digital Equipment Corporation Title 334 South Street, SHR3-2/S27 Company Shrewsbury, MA 01545 Street Address City State ZIP...
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