Document Outline

• Rimfire 3880 SCSI Host Bus Adapter. . . . . . . . ...
  • User’s Guide
  • Preface
  • Organization
  • Conventions
    • Notational
      • 1. An upper case letter H following a number indic...
      • 2. In this document, a byte is defined as an 8-bit...
      • 3. This manual represents all memory ordering in t...
      • 4. The title of this manual, and all references to...
    • Graphic
      • Table 1: Graphic Representation of Parameter Block...
  • Reference Documents
  • Table of Contents
    • 1
    • 2
    • 3
    • 4
    • 5
    • 6
    • 7
    • 8
    • A
    • B
    • C
    • D
    • E
• 1
  • Product Overview
  • About the Rimfire 3880 Design
    • Latest Bus Specifications
    • Buffering scheme
    • Buffer Management
    • Target Mode Implementation
  • What next?
• 2
  • Hardware Essentials
  • Introduction
  • Summary
  • Hardware Structure and Description
    • Intel 80186XL
    • QLogic FAS 256
    • Pipelined System Interface
    • Data Buffer
    • Block Diagram
      • Figure 1 Block Diagram of RF3880
  • Board Addressing
    • Choosing an Address Modifier
      • Table 2: Choosing an Address Modifier
      • Table 3: VMEbus Address Modifiers for RF3880
    • Choosing a VMEbus Address
      • Table 4: Address Line Decoding
  • Hardware Ports: General
    • Hardware Port Addresses
      • Table 5: Hardware Port Addresses
    • Overview of the Ports
      • 1. Set system bus transfer characteristics such as...
      • 2. Pass the address of a Single Command Structure ...
  • Address Buffer Port
    • Table 6: Address Buffer Port Writes
    • Table 7: Control Field of Address Buffer Port
    • Note For any of the control bits to be considered ...
    • Note The RF3880 supports 64-bit wide block transfe...
  • Channel Attention Port
    • 1. Construct a Single Command Structure in system ...
    • 2. Load the Address Buffer Port with the Control B...
    • 3. Write a 0 to the Channel Attention Port, instru...
    • 1. Have an active Command List. (Command Lists are...
    • 2. Fill the next available Parameter Block in the ...
    • 3. Adjust the Command List Parameter Block IN Inde...
    • 4. Write a 1 to the Channel Attention Port, instru...
    • Table 8: Channel Attention
    • Channel Attention Port Format
  • Status Port
    • Status Port: Reset Format
      • Table 9: Status Port: Reset
        • 1. Soon after reset, the Status Port is written wi...
        • 2. Next, self-test begins and as it progresses, th...
        • 3. The RDY bit is zero during self-test to indicat...
        • 4. The RDY bit will change to one if the self-test...
        • 5. After the RF3880 self-tests complete successful...
      • Note Whenever the board is reset, the host operati...
    • Status Port Error Codes
      • Table 10: Status Port Error Codes
    • Status Port: General Format
      • Table 11: Status Port: General
      • Note This bit does not toggle for Command List Cha...
        • Table 12: Status Port Catastrophic Error Codes
  • Reset Port
  • Descriptions of Port Usage
• 3
  • Hardware Installation
  • Introduction
  • Summary
  • Overview of the Installation Process
  • Step 1: Unpacking the Board
    • Shipping Damage
    • Unpacking the Board
      • Figure 2 Static Precaution
  • Step 2: Jumpers and Termination
    • Figure 3 Locations of Rimfire 3880 Jumpers
    • SCSI Configuration Jumpers
      • Figure 4 SCSI Configuration Jumper Block
        • Table 13: Default Jumper Settings
    • Bus Request/ Grant Jumper
      • Figure 5 Bus Request/Grant and Sysfail Jumpers
      • Figure 6 Bus Request and Grant on Level 2
      • Figure 7 Bus Request and Grant on Level 1
      • Figure 8 Bus Request and Grant on Level 0
    • Sysfail Jumper
    • VMEbus Address Jumpers
      • Figure 9 VMEbus Address Jumper
      • Figure 10 VMEbus Address Jumper Block Pins
    • Example Addresses
      • Table 14: Example Base Address Jumper Settings
    • SCSI bus Termination
      • Note Two types of SCSI bus terminators are used on...
        • Figure 11 Board Fuse and Terminators
      • Note It is very important to replace the terminati...
  • Step 3: Board Insertion
    • General Steps
      • 1. Remove power from the system.
      • 2. Remove as much of the enclosure shell as is nec...
      • 3. Choose a free double-height slot for the RF3880...
      • 4. Remove bus grant arbitration and interrupt ackn...
      • 5. Align the RF3880 with the board guides on the s...
      • 6. Slide the board forward and firmly press into t...
      • 7. If your system subrack accommodates them, faste...
      • Figure 12 Inserting the RF3880
  • Step 4: Apply power and observe LEDs
    • Meaning of LED’s
      • Figure 13 Location of LEDs
    • Power-up Sequence
      • 1. Both LEDs will briefly light, then the green wi...
      • 2. The amber LED will stay lit for less than 5 sec...
      • 3. The amber LED will go out, indicating self-test...
    • Error Conditions
      • Table 15: Status Port Catastrophic Error Codes
  • Step 5: Configure and Connect SCSI Devices
    • Selectable Options
    • Termination
    • Cabling
      • Table 16: SCSI Cable Connector
• 4
  • Command Operation
  • Introduction
  • Summary
  • What the Adapter must accomplish
  • The Base Parameter Block
    • Parameter Block Format
      • Table 17: Base Parameter Block
  • The Base Status Block
    • Status Block Format
      • Table 18: Base Status Block
    • Multiple Status Blocks
  • Single Command Structure
    • Format of Single Command Structure
      • Table 20: Single Command Structure
      • Table 21: Bit-meanings of Interrupt Field
      • Note If you have set the ISB (Issue Status Block) ...
  • Using a Single Command Structure
    • Set-up the Structure in memory
      • 1. Clear 52 bytes of system memory at the location...
      • 2. Build a Parameter Block in bytes 0 through 28. ...
      • 3. Assign a value to the Interrupt field of the Si...
    • Prepare the Hardware Ports
      • 4. If you are going to use this command to set bus...
      • 5. Write the Control Field, Address Modifier and t...
      • 6. Read the Status Port. Test the RDY bit (bit 1) ...
    • Execute the Command
      • 7. Write a 0 value to the Channel Attention Port.
    • Determine Command Completion
      • 8. When the command is complete, the adapter will ...
  • Some Example Single Commands
    • Example 1: Start Command List Board-control comman...
      • 1. Select a portion of system memory for the Singl...
      • 2. Fill in the Parameter Block information. (Detai...
      • Table 22: Example Start Command List PB
        • 3. Fill in the Interrupt Word of the Single Comman...
      • Figure 14 Single Command Structure in memory
        • 4. The next step is to load the Address Buffer Por...
        • 5. The example board is jumpered at address EE00H....
        • 6. Read the Hardware Status Port at address EE10H....
        • 7. To execute the command, write a 0 to the Channe...
        • 8. Poll for command completion by reading the Flag...
      • Figure 15 Single Command Structure in memory
    • Example 2:Inquiry Pass-through Command
      • 1. The set-up of a Pass-through command is the sam...
      • 2. Fill in the Parameter Block information. (Detai...
      • Table 23: Example Pass-through command PB
        • 3. Fill in the Interrupt Word of the Single comman...
      • Figure 16 Single Command Structure in memory
        • 4. The next step is to load the Address Buffer Por...
        • 5. The example board is jumpered at address EE00H....
        • 6. Read the Hardware Status Port at address EE10H....
        • 7. To execute the command, write a 0 to the Channe...
        • 8. When the command has completed, the Status Bloc...
      • Figure 17 Single Command Structure in memory
  • Command List Structure
    • Format of Command List Structure
      • Table 24: Command List Structure
    • Description of the Fields
      • Note Multiple Status Blocks generated from retries...
  • Creating the Command List Structure
    • 1. Select and clear a portion of memory that will ...
    • 2. Issue a Start Command List command to the adapt...
    • 3. Create Parameter Blocks in the reserved space, ...
    • 4. Retrieve Status Blocks from the Status Block re...
  • Using a Command List Structure
    • Index Guidelines
    • Command Guidelines
    • Adding a Parameter Block
      • 1. Compare the Parameter Block IN Index to the OUT...
      • 2. Calculate the offset for the Parameter Block in...
      • 3. Increment the Parameter Block IN Index.
      • 4. Write a 1 to the Channel Attention Port.
    • Removing a Status Block
      • 1. Compare the Status Block IN Index with the OUT ...
      • 2. Read in the Block indicated by the Status Block...
      • 3. Increment the Status Block OUT Index.
  • Example ‘C’ Routines for Command List
• 5
  • Initiator Mode Pass- through Commands
  • Introduction
  • Summary
  • Initiator Pass- through Parameter Block Format
    • Command Format
      • Table 25: Initiator Pass-through Parameter Block
    • Description of the Fields
      • Note Valid Address Modifier values can be found by...
        • Table 26: Bit-meanings of Address Modifier Field
      • Note Bits 7, 2 and 1 work intra-dependently. They ...
        • Table 27: Bit-meanings of Flags-1 Field
    • Setting DBV, DAT and DIR Bits
    • Using the Table Values
      • Table 28: Example DAT and DIR bit settings
      • Table 29: DIR and DAT Settings, Vendor-unique
      • Note If you set a combination of DBV, DIR and DAT ...
    • Table of DAT and DIR Automatic Settings
      • Table 30: DAT and DIR Automatic Settings
      • Table 31: Bit-meanings of Flag-2 Field
      • Note Depending on the SCSI- 2 device you are using...
        • Table 32: Meaning of TAG OPTS Bits
          • 1. You can place a value in the field to represent...
          • 2. Alternately, you could place a zero value in th...
    • Message Format
      • Table 33: Pass-through Message Parameter Block
    • Description of the Fields
  • Initiator Pass- through Status Block Format
    • Status Block Format
      • Note The fields displayed in 08H and 0CH are the d...
        • Table 34: SCSI Pass-through Status Block
    • Description of Fields
      • Table 35: Bit-meanings of Flags Field
      • Table 36: Bit-meanings of SCSI Status Field
      • Table 37: Meaning of Status Byte Code
      • Table 39: Meaning of Status Byte - Unexpected Phas...
      • Table 40: Default Ordering of Sense Bytes
      • Table 41: Ordering of 1st 16 Sequential Sense Byte...
      • Table 42: Example of Selected Sense Bytes
• 6
  • Target Mode Pass- through Commands
  • Introduction
  • Summary
  • Overview of Target Mode
    • What is Target Mode?
      • Figure 18 RF3880 in Target Mode
    • What must the adapter accomplish in Target Mode?
  • Overview of Special Target Mode Commands
    • New commands
      • Note For a complete description of the Target Mode...
  • Command Descriptor Block Group Codes
    • Note * During Target Mode operations, the Tag bit ...
      • Table 43: SCSI Command Descriptor Block Groups
  • Command Operation
    • Sequence of Events— Enabling Target Mode
      • 1. Host allocates 32 bytes of memory for the Targe...
      • Note When Target Mode is terminated, whether by a ...
        • 2. The Host issues a Target Mode Enable command to...
        • 3. The adapter is ready to accept selection by an ...
    • Sequence of Events— Receiving a command from an In...
      • 1. An initiator selects the RF3880 as a SCSI targe...
      • 2. Using the command data it receives from the ini...
      • 3. The adapter sets the SAV bit in the Semaphore f...
      • 4. The adapter disconnects from the SCSI bus. (The...
      • 5. The adapter interrupts the Host. (The adapter w...
      • Note Until the Host responds to selection (by writ...
        • 6. The Host must read the Target Selection Data St...
        • 7. The Host must write a 2 to the Channel Attentio...
        • 8. The adapter is ready to send another selection ...
    • Sequence of Events— Responding to an Initiator
      • 1. The Host interprets the Target Selection Data S...
      • 2. The Host writes Target Response data into a Tar...
      • 3. The Host issues the command to the RF3880. This...
      • 4. The RF3880 reselects the initiator specified in...
      • 5. The adapter sends the SCSI status byte and Comm...
      • 6. The adapter returns the SCSI bus to the Bus Fre...
      • Note Instead of sending the status and Command Com...
        • 7. The adapter sets completion status for the Targ...
        • 8. The Host receives completion status for the Tar...
  • Target Selection Data Structure
    • Table 44: Target Selection Data Structure
    • Table 45: Meaning of Flags Field
    • Table 46: Meaning of SCSI Flags Field
    • Table 47: Target Mode Error Sequence Code
  • Target Mode Response Command
    • Note This command must be issued from a Command Li...
    • Command Format
      • Table 49: Target Mode Response Parameter Block
    • Description of Fields
      • Table 50: Bit-meanings of Flags-1 Field
      • Note The RF3880 is acting as a target when executi...
      • Note A value of zero indicates a transfer of 4 bil...
        • Table 51: Meaning of Response Control Flags Field
      • Note As an example of how to use the bits of the R...
  • Target Mode Response Command Status Block
    • Status Block Format
      • Table 52: First TM Response Command Status Block
      • Table 53: Second TM Response Command Status Block
    • Description of Fields
      • Table 54: Meaning of Status Block Flags Field
      • Table 55: Meaning of Command Status Flags Field
      • Table 56: Target Mode Error Sequence Codes
• 7
  • Board-control Commands
  • Introduction
  • Summary
  • Using the Reference
  • General Status Block
    • General Status Block Format
      • Table 57: General Status Block
    • Description of Fields
      • Table 58: Bit-meanings of Flags Field
      • Note The Flags byte returned in the Status Block o...
  • List of Commands
    • Table 59: Board-control Commands
  • Start Command List (01H)
    • Command Format
      • Table 60: Start Command List Parameter Block
    • Description of Fields
      • Table 61: Bit-meanings of Interrupt Field
      • Note An Error Code of 11H will be returned in the ...
  • Stop Command List (02H)
    • Command Format
      • Table 62: Stop Command List Parameter Block
    • Description of Fields
      • Note An error code of 11H will be returned in the ...
  • Identify (05H)
    • Command Format
      • Table 63: Identify Command Parameter Block
    • Description of Fields
    • Identify Command Status Block
      • Table 64: Identify Command Status Block
    • Description of Fields
      • Table 65: Bit-meanings of Flags Field
      • Table 66: Option Flags Field - Identify Status Blo...
      • Table 67: Adapter SCSI ID Bits
  • Board Statistics (06H)
    • Command Format
      • Table 68: Board Statistics Command Parameter Block...
    • Description of Fields
      • Table 69: Options Field
    • Statistics Data Structure
      • Table 70: Board Statistics Data Structure
    • Description of Fields
  • General Options (07H)
    • Command Format
    • Description of Fields
      • Table 71: General Options Command Parameter Block
      • Note You can use the Board Information command (7 ...
      • Note The adapter will enforce a minimum burst size...
        • Table 72: Bus Throttle Field Values
        • Table 73: Select Flags Byte
      • Note Use the option that sets the adapter to alway...
  • Unit Options (08H)
    • Command Format
      • Table 74: Unit Options Command Parameter Block
    • Description of Fields
      • Note The sequentially recorded nature of tape medi...
        • Table 75: Retry Control
        • Table 76: Unit Flags
      • Note If you set the TAG flag (explained below) the...
        • Table 77: Default Ordering of Sense Bytes
        • Table 78: Example Selection of Sense Bytes
  • Diagnostic/ Self-test (09H)
    • Command Format
      • Table 79: Diagnostic/Self-test Parameter Block
    • Description of Fields
      • Table 80: Diagnostics Command Test Flags Field
    • Status Block Format
      • Table 81: Diagnostic Command Status Block
    • Description of Fields
      • Table 82: Bit-meanings of Flags Byte in Status Blo...
  • Target Mode Enable (0AH)
    • Command Format
      • Note If you send a Target Mode Response command to...
        • Table 83: Target Mode Enable Parameter Block
    • Description of Fields
      • Table 84: Meaning of Selection Interrupt Field
  • Target Mode Disable (0BH)
    • Command Format
      • Table 85: Target Mode Disable Parameter Block
    • Description of Fields
      • Table 86: Meaning of Flags-1 Field
  • Abort (0DH)
    • Command Format
      • Note This command must be used to abort pending Ta...
        • Table 87: Abort Parameter Block
    • Description of Fields
  • SCSI Hard Reset (10H)
    • Command Format
      • Table 88: SCSI Hard Reset Parameter Block
    • Description of Fields
  • Board Information (15H)
    • Command Format
      • Table 89: Target Mode Disable Parameter Block
    • Description of Fields
      • Table 90: Board Information Options Field
    • Board Information Data Structure
      • Table 91: Board Information Data Structure
    • Description of Fields
      • Table 92: Board Information - Select Flags Field
      • Table 93: Bus Throttle Field Values
      • Table 94: Option Flags Field - Identify Status Blo...
      • Table 95: Adapter SCSI ID Bits
      • Table 96: Bit Meanings of Termination Field
      • Table 97: SCSI Configuration Jumpers
      • Table 98: SCSI Cfig Block - Default Jumper Setting...
      • Table 99: Bit-meanings of Device Flags Field
      • Note The setting of this bit indicates only that y...
  • Extended Board Statistics (16H)
    • Command Format
      • Table 100: Extended Board Statistics Parameter Blo...
    • Description of Fields
      • Table 101: Extended Board Options Field
    • Extended Statistics Data Structure
      • Table 102: Extended Board Statistics Data Structur...
    • Description of Fields
  • Extended Unit Options (18H)
    • Command Format
      • Table 103: Extended Unit Options Parameter Block
    • Description of Fields
    • Extended Unit Options Data Structure
    • Description of Fields
      • Table 104: Extended Unit Options Data Structure
      • Note The sequentially recorded nature of tape medi...
        • Table 105: Bit-meanings of Retry Control Field
        • Table 106: Unit Flags of Extended Unit Options
      • Note If you set the TAG flag (explained on next pa...
        • Table 107: Default Ordering of Sense Bytes
• 8
  • Details of Usage
  • Introduction
  • Summary
  • Byte and Word Swapping
    • Need for Swapping
      • Table 108: Variations in Intel and Motorola Memory...
      • Table 109: Explanation of Memory Storage Differenc...
      • Table 110: Pass-through command Parameters
      • Figure 19 Intel Ordering
      • Figure 20 Motorola Ordering
        • Table 111: Motorola Ordered Parameter Block
      • Note Offset + x values are in opposite order for I...
        • Table 112: Intel Ordered Parameter Block
    • RF3880 Swapping Options
    • Data Swapping
  • Tagged Queuing
    • How to Use Tagged Queuing
      • Note If your SCSI-2 or SCSI- 3 device is operating...
        • Table 113: Meaning of Flags-2 Field
        • Table 114: Meaning of TAG OPTS Bits
    • How It Works
      • 1. The tag message is sent after the identify mess...
      • 2. The adapter sends the commands in the exact ord...
      • 3. The queue tag number that is sent with the tag ...
    • Notes on Usage
  • Target Mode Usage and SCSI Protocol Handling
    • Selection Queue
    • SCSI Bus Reset Handling
    • Target Mode Disable Command Handling
    • Abort Command Handling
    • Synchronous Data Transfer Requests
    • Wide Data Transfer Requests
    • Unexpected Messages Received from the Initiator
    • Automatic Adapter Responses
    • Target Routines
    • Disconnect Privilege
      • Note It is also possible to send a command that re...
    • Message Handling
• A
  • Error Codes
  • Introduction
  • Summary
    • Status Block Error Codes
      • Table 115: Base Status Block
      • Table 116: Error Codes
  • Status Port Error Codes
    • Catastrophic Error Codes
      • Table 117: Status Port: General
      • Table 118: Status Port Catastrophic Error Codes
    • Self-test Error Codes
      • Table 119: Status Port: Reset
    • Diagnostic/ Self-test Command
      • Table 120: Self-test Status Port Error Codes
• B
  • Cables and Connectors
  • Introduction
  • Summary
  • SCSI Connector
    • Maximum Cable Length
      • Table 121: Cable Connector Pin-outs for the RF3886...
  • VMEbus Connector Pinouts
    • Table 122: P1 Connector
    • Table 123: P2 Connector
• C
  • Specifications
  • Introduction
  • Summary
  • Specifications
    • Table 124: Specifications for the Rf3880
• D
  • Defaults
  • Introduction
  • Summary
  • Hardware Defaults
    • Board Jumpers
      • Table 125: Hardware Defaults - Jumpers
    • Hardware Ports
      • Table 126: Defaults for Hardware Ports
    • Command Defaults
      • Table 127: Command Defaults
      • Note † This value is returned when Synchronous tra...
• E
  • Design Differences
  • Introduction
  • Summary
  • Features no longer Supported
  • Implementation Differences
  • How to Maximize Performance
• A
• B
• C
• D
• E
• F
• H
• I
• J
• L
• M
• N
• O
• P
• R
• S
• T
• V
• W