Adaptec 2940 ULTRA SCSI PCI 32BIT KIT
Contents
1. approved by the grantee or manufacturer could void the user s authority to operate such equipment Each host adapter is equipped with an FCC compliance label which shows only the FCC Identification number The full text of the associated label follows This device complies with part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interfer ence and 2 this device must accept any interference received including interference that may cause undesired operation Adaptec Inc 691 South Milpitas Blvd Milpitas CA 95035 1999 Adaptec Inc All rights reserved Adaptec the Adaptec logo AHA EZ SCSI and SCSISelect are trademarks of Adaptec Inc which may be registered in some jurisdictions Windows NT is a trademark and Windows and Windows 95 98 are registered trademarks of Microsoft Corporation in the U S and other coun tries used under license All other trademarks are owned by their respective owners Printed in Singapore Stock No 512306 00 Rev A RAC 4 99 Information subject to change without notice Installation Guide AHA 2940UlItra 2940Ultra Wide PCI to UltraSCSI Host Adapter with SCSISelect Edition 2 20 Gladaptec2. which you can insert either an ISA EISA board or a PCI board 4 Insert the host adapter in the PCI expansion slot Press it down firmly so that the contacts are securely seated in the slot 5 When the host adapter is firmly seated in the expansion slot secure the metal bracket of the host adapter with the screw you removed in step 3 Do not replace the computer cover or reconnect your computer and peripherals to their power sources yet EJ SCS Configuration Guidelines Before installing your SCSI devices you should understand the basic SCSI concepts described in this section The information will help you set up your host adapter and devices so they function properly SCSI ID Numbers Each device attached to the host adapter as well as the host adapter itself must have a unique SCSI ID number 0 to 7 for the AHA 2940Ultra and 0 to 15 for the AHA 2940UlItra Wide We recommend that you leave the host adapter set to its default setting of SCSI ID 7 If you need to change the host adapter SCSI ID see Configuring the Host Adapter on page 7 To change the SCSI ID on your hard disk and other SCSI devices refer to the device s documentation The host adapter supports the SCSI Configured AutoMatically SCAM protocol which assigns SCSI IDs dynamically and resolves SCSI ID conflicts auto matically at bootup If your system includes SCSI disk drives or other devices that support SCAM you do not need to manually assign SCSI I
3. Boot Device Options Default Boot SCSI ID 0 Boot LUN Number 0 SCSI Device Configuration Default Maximum Sync Transfer Rate 20 0 MBytes sec 40 0 MBytes sec Enable Disconnection Yes Enabled Initiate Wide Negotiation Yes Enabled Send Start Unit Command Yes Enabled Enable Write Back Cache N C No change BIOS Multiple LUN Support No Disabled Include in BIOS Scan Yes Enabled Advanced Configuration Options Default Plug and Play SCAM Support Disabled Reset SCSI Bus at IC Initialization Enabled Extended BIOS Translation for DOS Drives gt Enabled 1 GByte Verbose Silent Mode Verbose Host Adapter BIOS Configuration Utility Enabled reserves BIOS space Support Removable Disks Under BIOS as Boot only Fixed Disks Display lt Ctrl A gt Message During BIOS Enabled Initialization BIOS Support for Bootable CD ROMs Enabled BIOS Support for Int13 Extensions Enabled 1 Setting is valid only if Multiple LUN Support is enabled 2 For AHA 2940Ultra only 3 For AHA 2940Ultra Wide only 4 Settings are valid only if host adapter BIOS is enabled Starting the SCSI Select Utility You can start the SCSISelect utility by pressing Ctrl A when the following prompt appears at boot time Press lt Ctrl gt lt A gt for SCSISelect TM Utility The first menu that appears displays the options Configure View Host Adapter Settings and SCSI Disk Utilities Using SCSISelect Menus SCSISelect uses menus
4. Ds to these devices To enable SCAM support see Configuring the Host Adapter on page 7 Most SCSI devices currently in use however do not support SCAM The SCSI IDs on these devices must be set manually To change the SCSI IDs on these devices refer to the device s documentation Note If you plan to boot your computer from a SCSI device attached to the host adapter set the Boot Target ID setting in the SCSISelect utility to correspond to the SCSI ID of the device you are booting from see Configuring the Host Adapter on page 7 SCSI Terminators To ensure reliable communication the SCSI bus must be properly terminated Termination is controlled by a set of electrical resistors called terminators Termi nators must be placed or enabled at the two extreme ends of the SCSI bus All devices that lie between the ends must have their terminators removed or disabled Terminating the AHA 2940 Ulira Termination on the AHA 2940UlItra itself is con trolled by software commands via the SCSISelect utility The default setting is Automatic which works like this a If the AHA 2940UlItra detects that a cable is con nected to either its internal or external SCSI con nector then it enables its terminators the AHA 2940Ulira is at the end of the SCSI bus a If the AHA 2940UlItra detects that a cable is con nected to both its internal and external SCSI con nector then it disables its terminators the AHA 2940Ultra l
5. E introduction The Adaptec AHA 2940UItra and AHA 2940Ultra Wide PCI to Fast SCSI host adapters provide a pow erful multitasking interface between your com puter s PCI bus and SCSI devices disk drives CD ROM drives scanners tape backups removable media drives etc Collectively both host adapters are referred to as the AHA 2940UItra 2940Ultra Wide The following figures show the major compo nents on the AHA 2940UItra and AHA 2940Ultra Wide 50 pin 8 bit Internal Host Adapter SCSI Connector BIOS LED Connector 50 pin 8 bit External SCSI Connector AIC 78xx SCSI Protocol Chip Adaptec AHA 2940Ultra 68 pin 16 bit 50 pin 8 bit Internal LED Connector Internal SCSI SCSI Connector Connector pe Ol ios Adapter LED 68 pin 16 bit External Connector Host Adapter BIOS AIC 78xx SCSI Protocol Chip Adaptec AHA 2940 Ultra Wide FPF installing the Host Adapter Follow these instructions to install the host adapter 1 Turn OFF power to the computer and peripheral devices and disconnect the power cords 2 Remove the cover from the computer case 3 Locate an unused 32 bit PCI expansion slot the slot must support Bus Master data transfers unscrew and remove the metal bracket that covers the card slot opening Save the screw to use when securing the host adapter in your computer PCI slots are shorter than ISA or EISA slots and are typically white One of these may be a shared slot into
6. PCI Rev 2 0 compliant computer a Are all SCSI devices powered m Are all SCSI bus cables and power cables properly connected Is pin 1 oriented correctly a Does the host adapter and all devices on the SCSI bus have unique SCSI IDs a Are all devices on the SCSI bus terminated properly m Does your system CMOS setup require you to enable PCI bus parameters If so see your computer s documentation Check that IRQ channel assignment board and BIOS settings have been made a Did you install your host adapter in a bus master PCI slot Refer to your computer s documenta tion or try another slot Computer Will Not Boot from a SCSI Disk Drive If both SCSI and non SCSI disk drives are installed then the non SCSI disk drive will be the default boot device Most newer systems allow for booting from SCSI devices Check your system manual for instruc tions on how to set SCSI as the default boot device If the system has only SCSI disk drives do the following 1 Make sure the drive type in your computer s CMOS setup is set to No Drives Installed 11 2 Make sure the boot hard disk SCSI ID corre sponds to the Boot Target ID setting in SCSISelect see page 8 The SCSI ID is normally set with jumpers or switches on the drive 3 If this does not solve the problem back up all data on the SCSI hard disk and perform a low level format with the SCSISelect Format Disk option See the MS DOS documentation for instructions on
7. able into the connectors on the backs of the devices Make sure the colored stripe on the cable is aligned with pin 1 of the device s connector Connect a DC power cable from your com puter s power supply to the power connector on the SCSI device Connecting External SCSI Devices If you are connecting external SCSI devices to your host adapter you must obtain an external SCSI cable for each external device you install 1 Prepare each SCSI device for installation config ure the SCSI ID and attach a terminating plug into the last external device For instructions see the device s documentation as well as SCSI Configura tion Guidelines on page 2 2 Plug the connector at one end of the external SCSI cable into the host adapter s external SCSI connector 3 Plug the connector at the other end of the cable to either one of the SCSI connectors on the external SCSI device 4 To connect other external SCSI devices daisy chain each device to the previous device until all external SCSI devices have been connected E Using the LED Connector Optional Most computers have an LED disk activity light on the front panel If you disconnect the cable from the LED connector on the motherboard and connect it to the LED connector on the host adapter the LED on the front panel of the computer will light whenever there is activity on the SCSI bus g Reassembling the Computer Be sure all power switches are OFF then replace th
8. accommodate all of your devices Adaptec sells high quality internal and external SCSI cables If your reseller does not stock these cables you can order them directly from Adaptec When Fast SCSI devices are connected to the host adapter the total length of all cables internal and external must not exceed 3 meters 9 8 ft to ensure reliable operation If no Fast SCSI devices are con nected the total length of all cables must not exceed 6 meters 19 7 ft See your device s documentation to determine if it is a Fast SCSI device Connecting Internal SCSI Devices If you are connecting internal SCSI devices make sure you have an internal SCSI cable with enough connectors to accommodate all of your devices 1 Prepare each SCSI device for installation config ure the device SCSI ID and terminators terminate the last internal device attached to the cable For instructions see the device s documentation as well as SCSI Configuration Guidelines on page 2 Install the SCSI device in your computer Refer to your computer and device documentation for instructions Plug the connector at one end of the internal SCSI cable into the host adapter s internal SCSI connector Make sure the colored stripe on one side of the cable is aligned with pin 1 of the host adapter s connector Pin 1 of the connector is usually desig nated by a small triangle a or a 1 on the connector Plug the remaining connectors on the c
9. e computer chassis cover and reconnect the power cables to your computer and peripherals Before turning on your computer and peripherals review the following section Configuring the Host Adapter It may be necessary to configure the host adapter Configuring the Host Adapter The AHA 2940Ultra 2940Ultra Wide includes the onboard menu driven SCSISelect configuration util ity which allows you to change host adapter settings without opening the computer or handling the 7 board SCSISelect also contains SCSI disk utilities that let you low level format or verify the disk media of your SCSI hard disk drives SCSISelect Default Settings The AHA 2940UlItra 2940UItra Wide has the default settings shown in the table on the following page The default settings are appropriate for most PCI systems If you do not need to change any of the default settings there is no need to run SCSISelect Your host adapter is ready for operation and you can proceed to Installing Device Drivers on page 10 For situations where you might want or need to change the settings see the descriptions of each set ting in the user s guide If you need to change any of the default settings or if you would like to format or verify a disk see Starting the SCSISelect Utility on page 9 to start the utility SCSI Bus Interface Definitions Default Host Adapter SCSI ID 7 SCSI Parity Checking Enabled Host Adapter SCSI Termination Automatic
10. ies between the ends of the SCSI bus We recommend that you leave the AHA 2940Ultra set to its default setting of Automatic If you want to manually enable or disable the AHA 2940Ulira ter mination setting see Configuring the Host Adapter on page 7 Terminating the AHA 2940 Ultra Wide Termination on the AHA 2940UlItra Wide itself is controlled by software commands via the SCSISelect utility The default setting is set to Automatic We recommend that you leave the AHA 2940Ultra Wide set to its default setting of Automatic If you want to manually set the AHA 2940Ultra Wide ter mination setting see Configuring the Host Adapter on page 7 The following table lists the termination set tings for manual configuration AHA 2940Ulira Wide Termination Devices Connected to AHA 2940 Ultra Wide Low High 68 pin internal connector only ON ON 68 pin external connector only ON ON 68 pin internal and 68 pin external connectors OFF OFF 50 pin internal connector only ON ON 50 pin and 68 pin internal connectors OFF ON 50 pin internal and 68 pin external connectors OFF ON Terminating SCSI Devices Read the device s documentation to determine how to enable or disable termination on your particular SCSI device s On most internal SCSI devices the ter mination setting is controlled by a jumper or a switch On other internal SCSI devices you must physically remove or install resistor module s On most external SCSI devices a termi
11. nating plug a resistor pack embedded in a small plug is installed or removed to control termination E installing SCSI Devices You can connect up to a total of seven internal and external 8 bit SCSI devices to the AHA 2940UlItra and up to 15 devices seven 8 bit internal and eight Wide 16 bit internal or external SCSI devices or 15 Wide internal and external SCSI devices to the AHA 2940Ultra Wide A Note You may only use two of the three connectors at any one time on the AHA 2940Ultra Wide host adapter Choosing SCSI Cables The cables required to connect SCSI devices are determined by the type of devices you are installing as described in the following table SCSI Device Type AHA 2940Ultra AHA 2940 Ultra Wide 8 bit Internal SCSI 50 pin internal 50 pin internal SCSI cable SCSI cable 8 bit External SCSI 50 pin high density external SCSI cable 16 bit Internal 68 pin internal Wide SCSI SCSI cable 16 bit External _ 68 pin external Wide SCSI SCSI cable If you purchased your AHA 2940Ultra 2940Ultra Wide in an Adaptec kit the kit includes an internal SCSI cable that allows you to connect up to two internal SCSI devices the AHA 2940Ultra kit includes a 50 pin internal SCSI cable and the AHA 2940Ultra Wide kit includes both a 50 pin and a 68 pin internal SCSI cable If you are connecting more than two internal SCSI devices you must obtain an internal SCSI cable with enough connec tors to
12. partitioning the disk after formatting 12 FCC Compliance Statement This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particu lar installation If this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Move the equipment away from the receiver e Plug the equipment into an outlet on a circuit different from that to which the receiver is powered e If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions CAUTION Only equipment certified to comply with Class B computer input output devices terminals printers etc should be attached to this equipment and must have shielded interface cables Finally any changes or modifications to the equipment by the user not expressly
13. t majority of SCSI disk drives a Verify Disk Media This utility allows you to scan the media of a hard disk drive for defects If the utility finds bad blocks on the media it prompts you to reassign them if you select yes those blocks are no longer used You can press Esc at any time to abort the utility g Installing Device Drivers Some operating systems embed include the AHA 2940Ultra 2940Ultra Wide device driver as part of their installation software These drivers work fine with your AHA 2940UItra 2940Ultra Wide however the most recent version of the driver should be installed in order for your AHA 2940UItra 2940UItra Wide to perform at its optimum level If you purchased your AHA 2940Ultra 2940 Ultra Wide in a kit the kit includes the latest Adaptec EZ SCSI and Adaptec 7800 Family Manager Set software a Adaptec EZ SCSI allows you to install software drivers for DOS Windows 3 x and Windows 95 98 and includes several additional utilities Refer to the EZ SCSI documentation for more information 10 a Adaptec 7800 Family Manager Set allows you to install software drivers for NetWare OS 2 Windows 95 98 Windows NT and UNIX Refer to the 7800 Family Manager Set User s Guide Contact Adaptec if you need to order EZ SCSI or the 7800 Family Manager Set E Troubleshooting Checklist If you have a problem during installation check these items first a Have you installed the host adapter into a
14. to list options you can select To select an option use the T and Jl keys to move the cursor to the option then press Enter In some cases selecting an option displays another menu You can return to the previous menu at any time by pressing Esc To restore the original SCSISelect default values press F6 To toggle the display between color and monochrome modes press F5 this feature may not work on some kinds of monitors Exiting SCSISelect To exit SCSISelect press Esc until a message prompts you to exit if you changed any AHA 2940Ultra 2940Ultra Wide settings you are prompted to save the changes before you exit At the prompt select Yes to exit then press any key to reboot the com puter Any changes you made in SCSISelect take effect after the computer boots Using the SCSI Disk Utilities To access the SCSI disk utilities select the SCSI Disk Utilities option from the menu that appears after start ing SCSISelect Once the option is selected SCSISelect immediately scans the SCSI bus and displays a list of all SCSI IDs and the devices assigned to each ID When you select a specific ID and device a small menu appears displaying the options Format Disk and Verify Disk Media a Format Disk This utility allows you to perform a low level format on a hard disk drive Most SCSI disk devices are preformatted at the factory and do not need to be formatted again The Adaptec Format Disk utility is compatible with the vas
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