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Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...ont Cover Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 User s Guide AHA 3940U 3940UW 3940UWD MultiChannel PCI to UltraSCSI Host Adapters with SCSISelect Utility Artisan Technology...

Страница 3: ...daptec Inc 691 South Milpitas Boulevard Milpitas CA 95035 1996 1997 Adaptec Inc All rights reserved Adaptec and the Adaptec logo are trademarks of Adaptec Inc which may be registered in some jurisdict...

Страница 4: ...e i Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 R AHA 3940U 3940UW 3940UWD MultiChannel PCI to UltraSCSI Host Adapters with SCSISelect Utility User s Guide Artisan Technology Gro...

Страница 5: ...without reservation and without notification to its users Adaptec Technical Support and Services If you have questions about installing or using the host adapter check this installation guide first yo...

Страница 6: ...dio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the inter ference by one or more of the following measures Re...

Страница 7: ...3940UWD User s Guide Stock Number 511041 00 Rev B Page iv Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE w...

Страница 8: ...SCSI 2 Implementation 1 4 Multiple Device Support 1 5 Conventions 1 5 Advisories 1 7 Support and Information Services 1 8 2 Installing the Host Adapter and SCSI Devices Host Adapter Layout 2 2 Inserti...

Страница 9: ...unning the Computer s Setup Program 2 17 3 Configuring Your Host Adapter Default Configuration Settings 3 2 When to Use SCSISelect 3 3 Starting SCSISelect 3 3 Selecting a SCSI Channel 3 4 Using the Op...

Страница 10: ...utions 5 6 A Multiple Computer Configuration Restrictions and Requirements A 1 B Optimizing Performance Enabling Synchronous Negotiation B 1 Enabling Wide Negotiation B 2 Disabling the Channel BIOS B...

Страница 11: ...3940UWD User s Guide Stock Number 511041 00 Rev B Page viii Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 12: ...l Cable to External SCSI Device 2 10 2 11 Connecting Multiple External SCSI Devices 2 11 2 12 Internal Devices on SCSI Channel A 2 13 2 13 Internal and External Devices on SCSI Channel A 2 13 2 14 Hos...

Страница 13: ...rrent Date 2 14 97 ECN Date 2 17 97 Figure 3 9 SCSI Device Configuration Screen for AHA 3940U 3 11 3 10 Advanced Configuration Options Screen 3 15 3 11 SCSI Disk Utilities Screen for AHA 3940UW 3940UW...

Страница 14: ...th the AHA 3940U you can connect up to seven 8 bit SCSI devices per channel With the AHA 3940UW 3940UWD you can connect up to fifteen 16 bit Wide SCSI devices per channel Using a 68 pin to 50 pin conv...

Страница 15: ...transferring data into system memory without involving the computer s CPU The onboard AHA 3940U 3940UW 3940UWD PhaseEngine sequencer independently manages data transfer between SCSI devices and the co...

Страница 16: ...nsfers PCI to PCI Bridges The AHA 3940U 3940UW 3940UWD features an advanced PCI to PCI Bridges design that expands PCI bus connectivity A separate PCI bus can improve overall system performance by off...

Страница 17: ...CPU Onboard RISC sequencer SCSI PhaseEngine processor auto mates SCSI protocol Low SCSI processing overhead Bus Master DMA implementation Task scheduling and message based communication Disk Array Sup...

Страница 18: ...ontrol Support for multiple logical units Parity handling in Data Message Status Selection Reselection and Command phases Active negation Multiple Device Support AHA 3940U supports up to seven SCSI de...

Страница 19: ...nced Configuration Options Helvetica Used for operator entry that must be typed exactly as shown device c scsi aspi7dos sys and for screen messages Enter Password Helvetica Italics Used to represent t...

Страница 20: ...to observe this type of advisory could result in damage to your system devices or data WARNING Failure to observe this type of advisory could result in personal injury Use caution when handling any el...

Страница 21: ...Service BBS Information on software upgrades new releases technical topics etc 24 hours a day 7 days a week 408 945 7727 1200 2400 9600 14 400 28 800 baud 8 data bits 1 stop bit no parity Technical Su...

Страница 22: ...page 2 17 for more information After the host adapter is physically installed you can change its con figuration with the SCSISelect utility as described in Chapter 3 Con figuring Your Host Adapter You...

Страница 23: ...2 2 identifies the major AHA 3940UW components Figure 2 3 identifies the major AHA 3940UWD components Following the figures a table describes these components Figure 2 1 AHA 3940U Components Figure 2...

Страница 24: ...ity can destroy a host adapter component 3 Find an unused 5 volt PCI bus expansion slot that supports bus mastering Make sure this slot is unobstructed Some computers have both bus master and non bus...

Страница 25: ...is the metal strip in the back of the computer chassis that covers the opening for the adapter s external connector 5 Position the host adapter directly over the PCI slot and insert the end of the boa...

Страница 26: ...ded impedance range of 90 to 132 ohms UltraSCSI Use cables with a single ended impedance range of 90 10 ohms For the REQ and ACK signals the impedance should be 90 6 ohms Do not use cables shorter tha...

Страница 27: ...taching more than one internal device Make sure your cable has enough connectors To connect three or more internal SCSI devices to a SCSI bus make a SCSI ribbon cable that has enough connectors for al...

Страница 28: ...A 3940UW and AHA 3940UWD use 68 pin high density connectors To connect internal SCSI devices follow these steps 1 Plug the SCSI connector at one end of the SCSI ribbon cable into one of the host adapt...

Страница 29: ...the SCSI ribbon cable into the SCSI connector on the second internal SCSI device as shown in Figure 2 8 4 To connect three or more internal SCSI devices to a SCSI bus plug the remaining middle SCSI co...

Страница 30: ...allows another cable to connect with the second device in the chain and so forth The external SCSI cables must meet the specifications listed in Choos ing SCSI Cables on page 2 5 External cable connec...

Страница 31: ...SI devices have been connected as shown in Figure 2 11 Again the AHA 3940UWD s two external connectors are not shown Connecting External 8 bit and 16 bit Devices AHA 3940UW or AHA 3940UWD When daisy c...

Страница 32: ...termination on the last device in the daisy chain has to be ON Terminating the SCSI Bus SCSI termination must be enabled on the first and last physical devices on SCSI Channels A and B of your AHA 394...

Страница 33: ...n for Channels A and B is Automatic by default on AHA 3940U 3940UW 3940UWD host adapters You can change this setting if necessary with the SCSISelect configuration utility as described in Chapter 3 Co...

Страница 34: ...This SCSI channel has an internal connector and no external connec tor The host adapter must always be at the end of the cable when you attach internal SCSI devices to this channel The default termi...

Страница 35: ...s on another channel This applies to two SCSI host adapters that implement dif ferent buses as well as dual channels on a single host adapter SCSI ID Priority On an 8 bit SCSI bus SCSI ID 7 has the hi...

Страница 36: ...different SCSI IDs preferably 7 and 6 Note A computer with an AHA 3940U 3940UW 3940UWD host adapter can share external SCSI devices with another computer To do this you must install a jumper before y...

Страница 37: ...ore you reassemble your computer be sure that The devices on each SCSI channel are properly terminated Each SCSI device on each SCSI channel has a unique SCSI ID The host adapter is firmly seated and...

Страница 38: ...run the computer s Setup program to enable the PCI bus parameters before your com puter can recognize the host adapter If your host computer does not recognize the host adapter after you install it en...

Страница 39: ...3940UWD User s Guide Stock Number 511041 00 Rev B Page 2 18 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 40: ...In addition SCSISelect allows you to list the SCSI IDs of devices attached to the host adapter If you do not need to change any of the default settings listed in Default Configuration Settings on pag...

Страница 41: ...rity Checking Enabled Host Adapter SCSI Termination Automatic Boot Device Settings Default Setting Boot Channel A First Boot Target ID 0 Boot LUN Number1 0 SCSI Device Settings Default Setting Initiat...

Страница 42: ...g SCSISelect To start SCSISelect press Ctrl A when the BIOS banner appears dur ing bootup as shown in Figure 3 1 The BIOS banner lists the model number and SCSI ID of each SCSI device connected to the...

Страница 43: ...all the host adapters For example if you have two host adapters you will see additional entries for Bus2 ChA and Bus2 ChB Select the host adapter and channel you want to configure then press Enter Not...

Страница 44: ...ss Enter Press Esc at any time to return to the previous menu Note Press F5 to toggle the display between color and mono chrome This feature may not work on all monitors Figure 3 3 Options Menu Screen...

Страница 45: ...ess the and keys to highlight the setting press Enter to display a pop up menu of choices and then choose a setting by highlighting it and pressing Enter The following sections in this chapter have in...

Страница 46: ...the priority of the device on the bus when two or more devices request use of it The Host Adapter SCSI ID option on the Configuration menu lets you change the channel SCSI ID The screen in Figure 3 5...

Страница 47: ...ect two host adapters in different computers to the same SCSI bus see Appendix A Multiple Computer Con figuration set the host adapters to different SCSI IDs IDs 6 and 7 are best since they have top p...

Страница 48: ...ernal connector only host adapter at end of channel Enabled External connector only host adapter at end of channel Enabled Internal and external connectors host adapter in middle of channel Disabled F...

Страница 49: ...SCSISelect TM Utility v1 22 Arrow keys to move cursor Enter to select option Esc to exit default Configuration SCSI Channel Interface Definitions Host Adapter SCSI ID SCSI Parity Checking Host Adapter...

Страница 50: ...ransfer Rate may differ from the listed Maximum Sync Transfer Rate See Maximum Sync Transfer Rate on page 12 Figure 3 9 SCSI Device Configuration Screen for AHA 3940U Adaptec AHA 3940 Ultra Ultra W SC...

Страница 51: ...us negotiation The default setting is yes The channel always responds to synchronous negotiation when the SCSI device initiates it Data is transferred in asynchronous mode if neither the channel nor t...

Страница 52: ...sometimes called Disconnect Recon nect Enabling disconnection allows the channel to perform other operations on the SCSI bus while the SCSI device is temporarily disconnected When set to yes the SCSI...

Страница 53: ...load on your computer s power supply by allowing the channel to turn on SCSI devices one at a time when the computer boots Otherwise all SCSI devices turn on at the same time Most devices require you...

Страница 54: ...y the host adapter at boot up Channel BIOS This setting enables or disables the host adapter BIOS The default setting is Enabled Each AHA 3940U 3940UW 3940UWD host Adaptec AHA 3940 Ultra Ultra W SCSIS...

Страница 55: ...only if the channel BIOS is enabled The default setting is Boot Only The following choices are available Boot Only Only the removable media drive designated as the boot device is treated as a hard dis...

Страница 56: ...Enabled Multiple LUN Support This option enables or disables support for multiple LUNs The default is Disabled BIOS Support for Bootable CD ROM This option enables or disables BIOS support for bootab...

Страница 57: ...d before you can use your operating system s partitioning and file preparation utili ties such as MS DOS fdisk and format Most SCSI disk devices are preformatted and need not be formatted again The Ad...

Страница 58: ...uter to boot from a specific SCSI drive install that drive s host adapter in the slot with the lowest PCI Device number The Device number is determined by the slot number on the PCI bus Refer to your...

Страница 59: ...3940UWD User s Guide Stock Number 511041 00 Rev B Page 3 20 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 60: ...M drives or disk drives such as SCSI tape drives scanners plotters or WORM drives more than eight hard disk drives removable media such as Bernoulli cartridges Adaptec EZ SCSI Software Adaptec EZ SCSI...

Страница 61: ...e devices For details on how to install and use EZ SCSI software refer to the Adaptec EZ SCSI 4 0 Software Quick Reference Guide included in the AHA 3940U 3940UW 3940UWD package Adaptec 7800 Family Ma...

Страница 62: ...r cables and SCSI interface cables properly connected See Connecting SCSI Cables and Devices on page 2 5 Connect internal SCSI devices to the computer power supply Connect power cables of external SCS...

Страница 63: ...ber and other information for each SCSI device that the BIOS detects If initialization fails how ever the host adapter BIOS displays a specific error message fol lowed by a BIOS Installation Failure m...

Страница 64: ...d disk drives can be set to installed or not installed with the Setup program supplied with the host computer The Setup pro gram specifies how many standard hard disks the computer recog nizes regardl...

Страница 65: ...ended boot disk has been formatted and has an active DOS partition If the disk has not been formatted run the Format Disk utility included in SCSISelect See SCSI Disk Utilities on page 3 18 Check cabl...

Страница 66: ...istently enabled or dis abled on all devices on the SCSI bus Verify that the channel and the SCSI devices are properly con figured and installed Check that the SCSI bus is properly terminated Check th...

Страница 67: ...Timeout Target Status e g 00h Good Status Sense Key e g 06h Unit Attention Additional Sense Code Additional Sense Code Qualifier You can probably determine from the Sense Key information both the caus...

Страница 68: ...my computer doesn t allow me to disable termination How can I attach it to the SCSI bus You might be able to attach this device on the end of the SCSI bus so you do not need to disable termination on...

Страница 69: ...3940UWD User s Guide Stock Number 511041 00 Rev B Page 5 8 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE w...

Страница 70: ...jumper shunt on the J3 for Channel B or J6 for Channel A termination jumper of your AHA 3940U 3940UW 3940UWD host adapter Then connect the AHA 3940U 3940UW 3940UWD channel the SCSI peripherals and th...

Страница 71: ...does not have to be an AHA 3940U 3940UW 3940UWD but it must be capable of active termination when it is turned off Most Adaptec host adapters can be actively terminated check the host adapter documen...

Страница 72: ...e SCSISelect Initiate Sync Negotiation option is Enabled by default for each device on the SCSI bus You should normally leave this option enabled because most SCSI devices support it and because it al...

Страница 73: ...ion in SCSISelect You should disable the channel BIOS if the peripherals on the SCSI bus for example CD ROM drives are controlled by device drivers and do not need the BIOS Enabling SCSI Parity Checki...

Страница 74: ...abled set to no by default Check your hardware documentation before you enable set to yes this option to make sure your devices support it Then change the switch or jumper settings on the device to en...

Страница 75: ...3940UWD User s Guide Stock Number 511041 00 Rev B Page B 4 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE w...

Страница 76: ...nded translation scheme for AHA 3940U 3940UW 3940UWD host adapters This feature sup ports disk drives as large as 8 GBytes under DOS Extended BIOS Translation for DOS Drives 1 GByte on page 3 17 expla...

Страница 77: ...e larger than 1 GByte when using standard translation Note UNIX is understood to be SCO v3 2 4 or later SCO UnixWare all versions and SCO Open Server Installing or Repartitioning Disks To install a ne...

Страница 78: ...ddress 3 15 disabling B 2 enabling 3 15 B 2 extended translation support 3 16 removable disk drive support 3 16 startup messages 5 2 Booting from removable media 3 16 Booting with multiple host adapte...

Страница 79: ...3940U 3940UW 3940UWD Host Adapter BIOS See BIOS Host Adapter I I O Operating Environment C 2 I O Multithreaded 1 2 ID See SCSI ID Information Services 1 8 Initiate Sync Negotiation 3 12 B 1 Internal S...

Страница 80: ...guration Options 3 15 Configuration Menu 3 6 Configure View Host Adapter Settings 3 6 default values 3 2 options menu 3 5 resetting default values 3 6 Send Start Unit Command 3 14 5 2 B 3 Sense Key In...

Страница 81: ...40UWD User s Guide Stock Number 511041 00 Rev B Page Index 4 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 82: ...40UWD User s Guide Stock Number 511041 00 Rev B Page Index 5 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 83: ...40UWD User s Guide Stock Number 511041 00 Rev B Page Index 6 Print Spec Number 494569 00 Current Date 2 14 97 ECN Date 2 17 97 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 84: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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