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A-5

Default Device Configuration Data Settings

Maximum # of Devices

Adjusted Default Data Settings

AHA-2940UW

■

Initial Program Load Data File—

IPL7881.FC

AHA-294XUW

■

Initial Program Load Data File

—IPL7884.FC

❒

Bits 0– 7

Maximum # of Devices

This value,

, is set when it has been sensed that the

WIDEPS

input has been deasserted.

This value,

, is set when it has been sensed that the

WIDEPS

input has been asserted.

3802

B618

5F00

0728

1000

00FF

FFFF

FF00

A264

3802

B618

5F00

0728

1000

00FF

FFFF

FF00

A264

Summary of Contents for AHA-2940OF

Page 1: ...R User s Guide AHA 2940UW OF and AHA 2944UW OF PCI to UltraSCSI Host Adapters for Open Firmware Systems...

Page 2: ...as Boulevard Milpitas CA 95035 1998 Adaptec Inc All rights reserved Adaptec and the Adaptec logo are trademarks of Adaptec Inc which may be registered in some jurisdictions Printed in Singapore STOCK...

Page 3: ...R AHA 2940UW OF and AHA 2944UW OF Open Firmware User s Guide...

Page 4: ...ind answers to most of your questions here If you need further assistance please contact us We offer the following support and information services Electronic Support Technical information including p...

Page 5: ...is no guaran tee that interference will not occur in a particular installation However if this equipment does cause interference to radio or television equipment reception which can be determined by...

Page 6: ......

Page 7: ...ng the Device Driver Version 2 0 or Later for Solaris SPARC 2 5 1 or 2 6 2 9 Installation from a Floppy Disk 2 9 Installation from the Adaptec Web Site 2 10 Configuring SCSI Devices 2 11 Troubleshooti...

Page 8: ...Program Load Data File ipldata fc A 1 Initial Program Load Data Settings A 1 SCSI ID Configuration Flags A 1 BIOS Control A 2 Host Adapter Control A 3 Host Adapter SCSI ID A 3 Bus Release Time A 3 Ma...

Page 9: ...ange SCSI related settings directly from your desktop The AHA 2940UW OF supports single ended SCSI devices the AHA 2944UW OF supports differential SCSI devices Supported Platforms The AHA 2940UW OF an...

Page 10: ...F and AHA 2944UW OF host adapters SCSI devices and device drivers Chapter 3 Using SCSISelect contains instructions for using the SCSISelect utility Appendix A Default Device Configuration Data Setting...

Page 11: ...ent Caution Cautions alert you to actions that could cause damage to your system or your data WARNING Warnings alert you to actions that could cause injury to you or someone else Adaptec does not clai...

Page 12: ......

Page 13: ...This chapter explains how to install AHA 2940UW OF and AHA 2944UW OF hardware and device drivers WARNING Before you begin installation turn OFF power to the computer and peripheral devices and disconn...

Page 14: ...ion on mixing wide and narrow SCSI devices refer to the Adaptec web site Connecting 8 Bit and 16 Bit Devices to an Adaptec Wide Host Adapter at http www adaptec com cables AHA 2940UW OF 16 bit 68 pin...

Page 15: ...ssis Cover 2 Locate an unused PCI expansion slot This slot is typically white or ivory Unscrew the expansion slot bracket that covers the card slot opening Figure 2 3 PCI Slot Location The PCI slot mu...

Page 16: ...vices Make sure that all SCSI devices have unique SCSI ID s Refer to your device documentation for SCSI ID settings and instructions on manually changing the default settings 1 Note If your computer c...

Page 17: ...es you control termination by setting a jumper or a switch or by physically removing or installing a resistor module s Refer to the device s documentation to determine how to enable or disable termina...

Page 18: ...tors to accommodate all of the internal devices you want to attach Figure 2 6 Internal Ribbon Cable Connection Make sure that the colored stripe on one side of the cable is aligned with pin 1 of the h...

Page 19: ...of the cable is aligned with pin 1 of the SCSI device s connector Figure 2 7 SCSI Cable Connector Location 5 Plug the remaining cable connectors into any remaining internal devices These devices must...

Page 20: ...n or attach a terminating plug to the device Figure 2 9 External SCSI Device Connection 2 To connect additional external SCSI devices daisy chain each device to the previous device until all devices a...

Page 21: ...r Set v2 0 device driver installation diskette into the floppy drive 2 At the superuser prompt type the following command and press Enter etc init d volmgt stop 3 Then type the following and press Ent...

Page 22: ...command and press Enter pkgadd d dirname driver img where dirname is the location of the downloaded driver img file The following software package is displayed 7 Select the package by typing 1 or all...

Page 23: ...eminators either provided by the SCSI device at the end of the cable or by a separate terminating plug The terminators on the AHA 2940UW OF and AHA 2944UW OF are active terminators For all SCSI device...

Page 24: ...card slot Does each SCSI device including the host adapter have a unique SCSI ID Is SCSI termination set correctly If you still haven t resolved your problem read on If your computer hangs or the hos...

Page 25: ...ct a single chip host adapter with the P1275 User Interface 1 Enter the system s Forth evaluator 2 To display a list of attached devices type the following command at the ok prompt also known as the F...

Page 26: ...een is the SCSISelect Options screen which displays options one line at a time Two options are available to you Configure View Host Adapter Settings SCSI Disk Utilities To select an option use the and...

Page 27: ...d device Figure 3 2 shows an example of this list Figure 3 2 Configure View Host Adapter Settings Screen for Identical Devices The device from which SCSISelect was activated is shown in the header Add...

Page 28: ...CSI ID 7 default Space to select settings Tab to select device Enter to accept setting Esc to abort configuration select default setting F6 restore all default settings select saved setting F7 restore...

Page 29: ...rns to the SCSISelect Options menu or aborts an operation Restores the default setting for the currently displayed option Restores the last saved setting for the currently displayed option Restores th...

Page 30: ...e SCSI IDs as long as they are not on the same bus If two host adapters are installed in two different computers and are attached to the same SCSI bus so they can share SCSI devices the Host Adapter S...

Page 31: ...adapters that support cable sensing termination is Automatic Host Adapter SCSI Termination is determined by which SCSI connectors on the single chip host adapter have devices attached to them The Man...

Page 32: ...us negotiation and because a Yes setting may allow faster data throughput The single chip host adapter always responds to synchronous negotiation if the SCSI device initiates it however data is transf...

Page 33: ...bit data transfers The default setting is Yes The Initiate Wide Negotiation option is only displayed if the single chip host adapter is connected to a Wide SCSI bus When Initiate Wide Negotiation is s...

Page 34: ...ws an example of a SCSI Disk Utilities target selection screen Figure 3 4 SCSI Disk Utilities Target Selection Screen SCSI Disk Utilities SCSI ID 0 No Device SCSI ID 1 No Device SCSI ID 2 No Device SC...

Page 35: ...c to return to the SCSISelect Options screen or Press any other key to return to the SCSI Disk Utilities Target Selection screen Once a valid device is selected and accepted SCSISelect displays the se...

Page 36: ...ected device s media for defects A screen similar to the one in Figure 3 7 appears Figure 3 7 Verify Message Screen Defect Scanning in Progress Verify This drive will be scanned for media defects All...

Page 37: ...before an operating system s partitioning and file preparation utilities can be used Most SCSI disk drives are low level formatted at the factory Adaptec s Format utility is compatible with most SCSI...

Page 38: ...ilar to the following appears in the Format utility message screen Formatting COMPLETE Elapsed Time 1 Hrs 6 Mins 53 Secs Format WARNING This drive is about to be low level formatted All data on the di...

Page 39: ...1802 1802 1802 1802 1802 1802 3802 3802 3802 3802 3802 3802 3802 3802 B618 5C00 0728 0800 00FF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FF00 9763 Offset Bits Title Setting Value 0 15 0 2 Transfer...

Page 40: ...Setting Value 16 0 Support All Removable Drives Disabled 0 16 1 Support Removable Drive for Boot Only Enabled 1 16 2 BIOS Enable Enabled 1 16 4 Support More Than Two Drives Enabled 1 16 5 Display Ctrl...

Page 41: ...isabled 0 17 2 3 SCSI Termination Enabled 11 17 4 SCSI Parity Enabled 1 17 5 Multiple LUN Support Disabled 0 17 6 Reset SCSI Bus at Initialization Enabled 1 17 7 Automatic Current Sensing Termination...

Page 42: ...has been sensed that the WIDEPS input has been asserted Bit 1 UltraSCSI Mode 0 This bit is cleared DISABLED when the GND REXT pin is sensed as being tied to ground 1 This bit is set ENABLED when the G...

Page 43: ...s been sensed that the WIDEPS input has been deasserted 10 This value 16 is set when it has been sensed that the WIDEPS input has been asserted 3802 3802 3802 3802 3802 3802 3802 3802 3802 3802 3802 3...

Page 44: ......

Page 45: ...ngs initial program load data A 1 initial program load data file ipldata fc A 1 reset initialization default data adjustments A 4 Device configuration 3 8 screen illustration 3 4 Device Driver install...

Page 46: ...on for device 3 2 Reset initialization default data adjustments A 4 host adapter control A 4 SCSI ID configuration flags A 4 Reset SCSI bus at host adapter initialization option 3 9 ROM monitor See OK...

Page 47: ...75 user interface 3 1 Show devs command 3 1 T Troubleshooting problems with installing host adapter 2 12 Typographic conventions 1 2 V Verify SCSI disk media utility 3 12 View host adapter settings 3...

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