Symbios™ SYM22801 Dual Channel PCI to Ultra SCSI Host Adapter User’s Guide Version 2.
Federal Communications Commission (FCC) Declaration of Conformity
This document contains proprietary information of LSI Logic Corporation. The information contained herein is not to be used by or disclosed to third parties without the express written permission of an officer of LSI Logic Corporation. Document DB15-00106-00, Second Edition (March 1999). This document describes Version 2.
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Contents Chapter 1 Chapter 2 Using the SYM22801 Host Adapter 1.1 General Description 1.2 Features 1.2.1 PCI Interface 1.2.2 SCSI Interface 1.2.3 Board Characteristics 1.3 Interface Descriptions 1.3.1 The PCI Interface 1.3.2 The SCSI Interface 1.3.3 Ultra SCSI Installing the SYM22801 Host Adapter 2.1 Quick Installation Procedure 2.2 Detailed Installation Procedure 2.2.1 Before You Start 2.2.2 Inserting the Host Adapter 2.2.3 Connecting the SCSI Peripherals 2.2.4 Making Internal SCSI Bus Connections 2.2.
Chapter 3 Appendix A Appendix B Configuring the Host Adapter 3.1 When to Configure the SYM22801 Host Adapter 3.2 Starting the SCSI BIOS Configuration Utility 3.2.1 Configuration Utility Main Menu 3.2.2 Utilities Menu 3.2.3 Device Selections Menu 3.3 Exiting the SCSI BIOS Configuration Utility Technical Specifications A.1 Physical Environment A.1.1 Physical Characteristics A.2 Electrical Characteristics A.2.1 Thermal, Atmospheric Characteristics A.2.2 Electromagnetic Compliance A.2.
2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 A.
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Preface This book is the primary reference and User’s Guide for the LSI Logic Symbios™ SYM22801 Dual Channel PCI to Ultra SCSI Host Adapter. It contains a complete functional description for the SYM22801 and includes complete physical and electrical specifications for the SYM22801. Audience This document assumes that you have some familiarity with microprocessors and related support devices.
• Appendix B, Glossary of Terms and Abbreviations, provides definitions of various terminology that is referenced throughout this user’s guide. Related Publications PCI SCSI Device Management System SDMS 4.0 User’s Guide, Document No.
Chapter 1 Using the SYM22801 Host Adapter This chapter describes how the SYM22801 Host Adapter interfaces to PCI computer systems and includes these topics: • Section 1.1, “General Description,” page 1-1 • Section 1.2, “Features,” page 1-2 • Section 1.3, “Interface Descriptions,” page 1-3 1.1 General Description LSI Logic’s Symbios™ SYM22801 Dual Channel PCI to Ultra SCSI host adapter provides a SCSI-3, Ultra SCSI interface to PCI computer systems.
1.2 Features This section provides a high level overview of the PCI Interface, the SCSI Interface, and Board Chacteristics for the SYM22801 Host Adapter board. 1.2.1 PCI Interface • Full 32-bit DMA bus master • Zero wait-state bus master data bursts • Universal PCI bus voltage support 1.2.
1.3 Interface Descriptions This section provides a more detailed explanation about the PCI Interface, The SCSI Interface, and Ultra SCSI. 1.3.1 The PCI Interface PCI is a high-speed standard local bus for interfacing a number of I/O components to the processor and memory subsystems in a high end PC. The PCI functionality for the SYM22801 is contained within the Symbios SYM53C876 PCI to Ultra SCSI I/O Processor chip.
only the upper 8 data bits are automatically terminated. The SYM22801 supplies SCSI bus TERMPWR (termination power) through a blocking diode and a self-resetting 1.5 A short circuit protection device. The onboard LED lights when TERMPWR is shorted. Separate switches for each channel allow user override of termination. A 40 MHz oscillator is installed on the SYM22801 to provide the clock frequency to the SYM53C876 that is necessary to support Wide Ultra SCSI transfers of up to 40 Mbytes/s. 1.3.
Chapter 2 Installing the SYM22801 Host Adapter This chapter provides instructions on how to install the SYM22801 Host Adapter and includes these topics: • Section 2.1, “Quick Installation Procedure,” page 2-1 • Section 2.2, “Detailed Installation Procedure,” page 2-3 • Section 2.3, “SCSI Bus Termination,” page 2-18 • Section 2.4, “Setting Interrupts,” page 2-27 • Section 2.5, “Completing Your Installation,” page 2-28 2.
Caution: Ground yourself by touching a metal surface before handling boards. Static charges on your body can damage electronic components. Handle plug-in boards by the edge; do not touch board components or gold connector contacts. The use of a static ground strap is recommended. Step 4. Locate the slots for PCI plug-in board installation. Refer to the user’s manual for your computer to confirm the location of the PCI slots. The SYM22801 requires a PCI slot that allows bus master operation. Step 5.
Step 10. Replace the cabinet cover as described in the user’s manual for your computer. Step 11. Make all external SCSI bus connections. Remember: The SCSI bus requires proper termination, and no duplicate SCSI IDs. Step 12. Finally, refer to the PCI SCSI Device Management System SDMS 4.0 User’s Guide (or the guide for the software that you will use) to load the driver software for your particular operating system. 2.
The SCSI host adapter acts on your computer’s behalf as the host to your suite of SCSI peripherals. Each chain of SCSI peripheral devices and their host adapter work together, and are referred to as a SCSI bus. Each SYM22801 host adapter that you install can access up to 15 peripheral devices per channel. 2.2.2 Inserting the Host Adapter For safe and proper installation, check the user’s manual supplied with your computer to perform the following steps. Step 1.
Figure 2.
Figure 2.2 Inserting the Host Adapter B racket S crew Step 8. The bracket around the connectors J3 and J7 (see Figure 2.1) should fit where you removed the blank panel. Secure it with the bracket screw (see Figure 2.2) before making the internal and external SCSI bus connections. 2.2.3 Connecting the SCSI Peripherals SCSI bus connections to the SYM22801 host adapter inside the computer are made with an unshielded, 68 or 50-conductor ribbon cable (see Figure 2.3).
All external SCSI bus connections to the SYM22801 host adapter are made with shielded, 68-conductor cables (see Figure 2.3). The connectors on this cable are always keyed to ensure proper pin-1 connection. Figure 2.
3 meters (total internal and external cable lengths), even with fewer than four devices. The SYM22801 autotermination scheme is designed to operate properly when plugging the end connector of the SCSI cables into the SYM22801 SCSI connectors. If you connect the SYM22801 in the middle of the bus, you will incur improper termination since the switches are not assigned on that bus correctly. Refer to the Channel Switches section for more information. 2.2.
Figure 2.4 Internal Wide SCSI Ribbon Cable to Host Adapter Connection J6 J2 Step 2. To connect an 8-bit internal SCSI device, plug the 50-pin connector on one end of an 8-conductor internal SCSI ribbon cable into the connector J4 or J8 (see Figure 2.5). Make certain to match pin-1 on both connectors.
Figure 2.5 Internal SCSI Ribbon Cable to Host Adapter Connection C hannel B J8 C hannel A J4 Step 3. Plug the 68 or 50-pin connector on the other end of the internal SCSI ribbon cable into the SCSI connector on the internal SCSI device. An example of this connection is shown in Figure 2.6. You must match pin-1 on all connections.
Figure 2.6 Internal SCSI Ribbon Cable to Internal SCSI Device Connection Step 4. Additional internal SCSI devices are plugged in by using an internal SCSI ribbon cable with the required number of connectors attached along its length as shown in Figure 2.7. An example of this type of chained connection is shown in Figure 2.8. Make sure to match pin-1 on all connections.
Figure 2.
Figure 2.8 Multiple Internal SCSI Devices Chained Together Step 5. It is also possible to use both internal connectors on a channel if you do not attach any external devices to that channel. An example of this configuration is shown in Figure 2.9.
Figure 2.9 Note: Using Both Internal Connectors on a Channel When two connectors are already used on a channel, the third connector cannot be used. Step 6. Most PC cabinets are designed with a front panel LED (sometimes already connected to an existing IDE drive). You may connect this LED cable to the host adapter, as shown in Figure 2.10. This causes the front panel LED to indicate activity on the SCSI bus. This connector is not keyed.
Figure 2.10 SCSI LED Connectors Some LED cables have only two wires. In this case, place the connector on one end or the other of J5 or J9. If the LED does not light during SCSI bus activity from this host adapter, you may have to rotate the LED cable 180° on J5 or J9. See Table A.5 for pin descriptions. 2.2.5 Making External SCSI Bus Connections This section provides step-by-step instructions about making internal SCSI bus connections: Step 1.
Figure 2.11 External Cable to Host Adapter Step 2. Plug the 68-pin connector on the other end of the shielded external SCSI cable into the SCSI connector on your external SCSI device. An example of this connection is shown in Figure 2.12.
Figure 2.12 External Cable to External SCSI Device Step 3. To connect more than one external SCSI device to the host adapter, you must chain them together with shielded external SCSI cables. An example of these chained connections is shown in Figure 2.13.
Figure 2.13 Multiple External SCSI Devices Chained Together 2.3 SCSI Bus Termination The devices making up the SCSI bus are connected serially (chained together) with SCSI cables. The first and last physical SCSI devices connected on the ends of the SCSI bus must have a set of resistors called terminators. All other SCSI devices on the bus must have their terminators removed or disabled.
The peripheral device terminators are usually set with jumpers, resistor modules, or with a switch on the peripheral. Refer to the peripheral manufacturer’s instructions and to the user’s manual for your computer for information on how to identify the terminator setting of each device and how to change it. Caution: The auto-enable/disable sensing feature on the SYM22801 may enable termination erroneously if it is directly cabled to another SCSI device or host adapter using the same sensing method.
Figure 2.14 shows an example of how termination is determined for this SCSI bus configuration. Figure 2.14 Internal SCSI Device Termination 2.3.2 External SCSI Connections If only external SCSI device connections to the host adapter have been made, you must terminate the last external device on the SCSI bus. You must disable the termination on all other devices. Termination on the host adapter is automatically enabled in this case. Figure 2.
Figure 2.15 External SCSI Device Termination L a st D e v ic e o n C h a in Te rm in a tio n E n a b le d Does N ot E n d C h a in Te rm in a tio n D is a b le d H o s t A d a p te r A u to m a tic a lly Te rm in a te d 2.3.3 Internal and External SCSI Connections If you have internal and external SCSI device connections to the host adapter, you must terminate the last internal and external devices on the SCSI bus. You must disable the termination on all other devices.
Figure 2.16 Internal and External SCSI Device Termination L a st D e vice o n C h a in Te rm in a tio n E n a b le d H o st A d a p te r Te rm in a tio n A u to m a tica lly D is a b le d D oes N ot E n d C h a in Te rm in a tio n D isa b le d L a st D e vice o n C h a in Te rm in a tio n E n a b le d 2.3.
Figure 2.17 shows an example of how termination is determined for this SCSI bus configuration. If you connect the SYM22801 in the middle of the bus, you will incur improper termination since the switches are not assigned on that bus correctly. Figure 2.
Four switches for each channel provide cable detection simulation and forced upper line termination. Switch one simulates a device on the internal 50-pin connector, switch two simulates a device on the internal 68-pin connector, switch three forces the upper SCSI line terminator to stay on, and switch four simulates a device on the external 68-pin connector. When SYM22801 is in the middle of a bus using only one connector, then switch Int68 and Ext68 (switches 2 and 4) for that bus are on.
1 NO Figure 2.18 Termination Override Switch Settings for U1 and U2 Default setting. Autoterm ination w ill w ork as designed. 2 3 NO Sim ulates a device on the Internal 50 pin connector. Use this switch only w hen a device is connected to the internal 50 pin connector that does not ground pin 22, like another LSI Logic host adapter. NO 1 Sim ulates a device on the Internal 68 pin connector.
The peripheral device SCSI IDs are usually set with jumpers or with a switch on the peripheral. Refer to the peripheral manufacturer’s instructions and to the user’s manual for your computer to determine the ID of each device and how to change it. You must have no duplication of SCSI IDs on a SCSI bus. Step 1. Determine the SCSI ID of each device on the SCSI bus. Note any duplications and if 8-bit SCSI devices are to be used, the host adapter ID must not be set above 7. Step 2.
2.4 Setting Interrupts You should not normally have to change the default interrupt routing for the SYM22801, since performance is usually increased by having two separate interrupts. However, if your system does not support two separate interrupts, jumper TP9 (see Figure A.1) is provided to change the interrupt routing. The following table explains the jumper settings: Table 2.
2.5 Completing Your Installation Before replacing the cover on your computer, review this installation procedure check list. This will save you effort later. Verify Installation Procedures Done Host adapter connection in PCI bus slot secure Internal SCSI bus connections secure (pin-1 continuity) External SCSI bus connections secure Proper SCSI bus termination established Unique SCSI IDs set and recorded for each device Step 1. Replace the cabinet cover on your computer. Step 2.
Chapter 3 Configuring the Host Adapter This chapter discusses how to change configuration settings and includes these topics: • Section 3.1, “When to Configure the SYM22801 Host Adapter,” page 3-1 • Section 3.2, “Starting the SCSI BIOS Configuration Utility,” page 3-2 • Section 3.3, “Exiting the SCSI BIOS Configuration Utility,” page 3-13 3.1 When to Configure the SYM22801 Host Adapter In most cases you should not need to change the default configuration of your host adapter.
Table 3.2 Device Default Settings Settings for Individual SCSI Devices Default Settings Synchronous Transfer Rate (Mbytes/s) 40 Data Width 16 Disconnect On Read/Write I/O Time-out (seconds) 10 Scan for Devices at Boot Time Yes Scan for SCSI LUNs Yes Queue Tags On 3.2 Starting the SCSI BIOS Configuration Utility If you have SCSI BIOS version 4.xx, and it includes the Symbios SCSI BIOS Configuration Utility, you can change the default configuration of your SCSI host adapters.
Important: This SCSI BIOS Configuration Utility is a powerful tool. If, while using it, you somehow disable all of your controllers, pressing Ctrl-A (or Ctrl-E on version 4.04 or later) after memory initialization during reboot allows you to re-enable and reconfigure. Not all devices detected by the Configuration Utility can be controlled by the BIOS. Devices such as tape drives and scanners require that a device driver specific to that peripheral be loaded.
Below the list of host adapters on the Main Menu display, you see eight options. They are described in detail below. If these settings are altered, the system will reboot after the Quit option is selected, which allows the user to exit from the Configuration Utility. 3.2.1.1 Change Adapter Status The change adapter status allows the user to activate or deactivate a host adapter and all SCSI devices attached to it.
To change an adapter's boot order, select it and press Enter. You are then prompted to enter the new boot sequence number. To remove an adapter's boot order, press Enter again rather than entering a new sequence number. While the maximum capacity is 32 adapters, only four adapters can be assigned a boot order starting with boot sequence number zero (0). If an invalid number is entered, an error message appears. When the adapters are ordered as desired, press the Escape (Esc) key to exit from this menu. 3.2.
3.2.1.6 Language If enabled, the Language option allows you to select from five languages for the configuration utility: English, German, French, Italian, and Spanish. 3.2.1.7 Help The Help option allows the user to bring up a help screen with information about the Main Menu. 3.2.1.8 Quit The Quit option allows exiting from the SCSI BIOS Configuration Utility when the Main Menu is displayed. 3.2.1.9 Esc The Esc option allows exiting from all the screens except the Main Menu. 3.2.
3.2.2.1 Adapter Setup Menu When you select Adapter Setup, the corresponding menu appears. Here is an example of the Adapter Setup Menu: Adapter Setup SCAM Support Off Parity Enabled Host SCSI ID 7 Scan Order Low to High <0..Max> Removable Media Support None CHS Mapping SCSI Plug & Play Mapping Spinup Delay (sec) 2 Help Restore Default Setup Exit this menu The settings in this menu are global settings that affect the selected host adapter and all SCSI devices attached to it.
Note: When disabling parity checking, it is also necessary to disable disconnects for all devices, as parity checking for the reselection phase is not disabled. If a device does not generate parity, and it disconnects, the I/O never completes because the reselection never completes. Host SCSI ID – This option refers to the host adapter’s SCSI ID, which is a unique number used to identify the device on the SCSI bus.
With Media Installed provides removable media support wherever the drive(s) actually resides. One of these choices can be selected by highlighting it and pressing Enter. CHS Mapping – This option defines the cylinder head sector (CHS) values that will be mapped onto a disk without pre-existing partition information. SCSI Plug and Play Mapping is the default value.
3.2.
. SYM53C875 Inside device Sync Rate Width Disconnect Read/Write I/O Timeout Scan for Device at Boot Time Scan for SCSI LUNs Queue Tags Initial Boot Format Verify Help Restore Default Setup Exit this menu Please review the descriptions of each option below before changing any values. Sync Rate (Mbytes/s) – This option defines the maximum data transfer rate the host adapter will attempt to negotiate. The host adapter and a SCSI device must agree to a rate they can both handle.
Disconnect – SCSI devices have the ability to disconnect from the initiator during an I/O transfer. This disconnect option frees the SCSI Bus to allow other I/O processes. This option tells the host adapter whether or not to allow a device to disconnect. Some devices run faster with disconnects enabled (mostly newer devices), while some run faster with disconnects disabled (mostly older devices).
Verify – This option allows the user to read all the sectors on a disk looking for errors. When selected, this option displays the following message: “Verify all sectors on the device Press ESC to abort Else press any key to continue” Help – This option brings up a help screen with information about the Device Selections Menu. Restore Default Setup – This option resets all device selections back to their default settings. Select this option to restore all manufacturing defaults for the specified adapter.
3-14 Configuring the Host Adapter
Appendix A Technical Specifications This section discusses the physical environment associated with the SYM22801 Host Adapter. It includes a mechanical drawing of this board, which is shown in Figure A.1. It also includes these topics: • Section A.1, “Physical Environment,” page 1-1 • Section A.2, “Electrical Characteristics,” page 1-2 • Section A.3, “Operational Environment,” page 1-3 A.
Figure A.1 SYM22801 Mechanical Drawing 190.50(R EF) (7.50(REF)) J2 J6 96.52(REF) (3.80(R EF)) J5 U1 J4 J3 J9 U2 J8 TER MPW R Fail LED TERM PW R Fail LED N VRAM NVR AM SYM 53C 876 FLASH EEPR OM J7 TP9 J1 A.2 Electrical Characteristics The SYM22801 maximum power requirements, including SCSI TERMPWR, under normal operation are as follows: + 5 V DC ±5% 1.5 A Over the operating range 0–55 °C + 12 V ±0.6 V 50 mA Over the operating range 0–55 °C + 3.3 V ±0.
A.2.1 Thermal, Atmospheric Characteristics The board is designed to operate in an environment defined by the following parameters: • Temperature range: 0–55 °C (dry bulb) • Relative humidity range: 0–90% (noncondensing) • Maximum dew point temperature: 32 °C A.2.2 Electromagnetic Compliance The board is designed and implemented to minimize electromagnetic emissions, susceptibility, and the effects of electromagnetic discharge.
Note: Table A.1 The + 3.3 V pins are tied together and decoupled with high frequency bypass capacitors to ground. No current from these 3.3 V pins is used on the board. The PCI portion of the SYM53C876 chip is powered from the 3 V/5 V pins. PCI Connector J1 (Front)1 Signal Name Pin −12 V GND Pin 22 Signal Name +3.3 V Pin 43 TCK 2 AD27 23 C_BE1/ 44 GND 3 AD25 24 AD14 45 TDO 4 +3.
Table A.2 PCI Connector J1 (Back)1 Signal Name Pin Signal Name Pin Signal Name Pin TRST/ 1 AD28 22 PAR 43 +12 V 2 AD26 23 AD15 44 TMS 3 GND 24 +3.3 V 45 TDI 4 AD24 25 AD13 46 +5 V 5 IDSEL 26 AD11 47 INTA/ 6 +3.3 V 27 GND 48 INTC/ 7 AD22 28 AD09 49 +5 V 8 AD20 29 KEYWAY 50 RESERVED 9 GND 30 KEYWAY 51 3 V/5 V 10 AD18 31 C_BE0/ 52 RESERVED 11 AD16 32 +3.3 V 53 KEYWAY 12 +3.
A.3.2 The SCSI Interface The SCSI interface operates as 8-bit or 16-bit, synchronous or asynchronous, single-ended bus, and supports SCSI-2 protocols and 16-bit arbitration. The interface is made through connectors J2, J3 and J4 for channel A. Channel B connectors are J6, J7, and J8. Connectors J2 and J6 are 68-pin high density right angle receptacles for internal connections. Connectors J3 and J7 are 68-pin VHDCI right angle receptacles that protrude through the back panel bracket.
Table A.
Table A.
A.3.3 The LED Interface The LED interface on the SYM22801 is a four-wire arrangement that allows the user to connect an LED harness to the board. The GPIO0_FETCH line (maximum output low voltage 0.4 V and minimum output low current 16 mA) is pulled low to complete the circuit when a harness with an LED is attached. The connectors on the SYM22801 are J5 and J9. Table A.
A-10 Technical Specifications
Appendix B Glossary of Terms and Abbreviations Address A specific location in memory, designated either numerically or by a symbolic name. Asynchronous Data Transfer A method of transmission which does not require a common clock, but separates fields of data by stop and start bits. It is slower than synchronous data transfer. BIOS Basic Input/Output System. Software that provides basic read/write capability. Usually kept as firmware (ROM based).
Configuration Refers to the way a computer is set up; the combined hardware components (computer, monitor, keyboard, and peripheral devices) that make up a computer system; or the software settings that allow the hardware components to communicate with each other. CPU Central Processing Unit. The “brain” of the computer that performs the actual computations. The term Micro Processor Unit (MPU) is also used. DMA Direct Memory Access.
Firmware Software that is permanently stored in ROM. Therefore, it can be accessed during boot time. Hard Disk A disk made of metal and permanently sealed into a drive cartridge. A hard disk can store very large amounts of information. Host The computer system in which a SCSI host adapter is installed. It uses the SCSI host adapter to transfer information to and from devices attached to the SCSI bus.
Motherboard See Mainboard. In some countries, the term Motherboard is not appropriate. Multi-tasking The executing of more than one command at the same time. This allows programs to operate in parallel. Multi-threading The simultaneous accessing of data by more than one SCSI device. This increases the data throughput. NVRAM Non Volatile Random Access Memory. Actually an EEPROM (Electronically-Erasable Programmable Read Only Memory chip) used to store configuration information. See EEPROM.
Queue Tags A way to keep track of multiple commands that allows for increased throughput on the SCSI bus. RAM Random Access Memory. The computer’s primary working memory in which program instructions and data are stored and are accessible to the CPU. Information can be written to and read from RAM. The contents of RAM are lost when the computer is turned off. RISC Core LSI Logic SCSI chips contain a RISC (Reduced Instruction Set Computer) processor, programmed through microcode scripts.
SCSI ID A way to uniquely identify each SCSI device on the SCSI bus. Each SCSI bus has eight available SCSI IDs numbered 0 through 7 (or 0 through 15 for Wide SCSI). The host adapter usually gets ID 7 giving it priority to control the bus. SDMS SCSI Device Management System. A LSI Logic software product that manages SCSI system I/O. STA SCSI Trade Association.
Index A active termination single-ended SCSI 1-3, A-6 adapter configuration menu example 3-5 adapter setup menu CHS mapping 3-9 example 3-7 host SCSI ID 3-8 parity 3-7 removable media support 3-8 SCAM support 3-7 scan order 3-8 spinup delay 3-9 additional adapter configuring 3-5 alternate CHS mapping 3-9 auto-termination enabled/disabled 2-19–2-22 scheme 2-8 B BIOS support for the SYM22801 board 1-1 board characteristics SYM22801 dimensions A-1 SYM22801 host adapter 1-2 boot order menu changing an adapter
duplication of SCSI IDs 2-26 J E jumper setting interrupts 2-27 setting peripheral device SCSI IDs 2-26 electrical characteristics A-2 electromagnetic compliance A-3 Esc main menu option 3-6 Ext68 channel switch (switch 4) 2-24 external SCSI bus connections making 2-15–2-17 F FDISK /MBR command removing partition 3-9 features SYM22801 board 1-2 Flash BIOS 1-1 format device option low-level formatting 3-12 removing partitions/data 3-9 front panel LED 2-14 G global default settings table 3-1 GPIO0_FETCH
SYM22801 board A-2 Q queue tags option 3-12 quick installation procedure 2-3 quit option main menu 3-6 R ribbon cable 2-6 S safety characteristics A-3 SCAM support 3-7 scan for device at boot time 3-12 scan for SCSI logical units 3-12 scan order 3-8 SCSI BIOS configuration utility changing adapter status 3-4 configuring an adapter 3-5 exiting 3-13 mono/color option 3-5 pressing "Ctrl-A" to re-enable controllers 3-3 pressing "Ctrl-C" to invoke 3-2 quit option 3-6 selecting an adapter 3-3 starting 3-2 SCSI
utilities menu adapter setup option 3-7–3-9 device selections option 3-10–3-13 example 3-6 exiting 3-6 V verbose setting 3-5 verify option 3-13 VHDCI connectors 68 pin 1-3, 2-15, A-1 IX-4 Index
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