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15

Understanding SCSI

Understanding SCSI

SCSI (pronounced “scuzzy”) stands for Small Computer Systems 
I

nterface. SCSI is an industry standard computer interface for con-

necting SCSI devices (such as hard disk drives, CD-ROM drives, and 
scanners) to a common SCSI bus.

SCSI bus is an electrical pathway consisting of a SCSI adapter 
(such as the SlimSCSI adapter) installed in a computer and one or 
more SCSI devices. SCSI cables are used to connect the devices to the 
SCSI card.

For the SCSI bus to function properly, SCSI IDs must be assigned to 
the SCSI devices and the SCSI adapter, and the SCSI bus must be 
properly terminated.

SCSI IDs

Each device attached to the SlimSCSI 1460 adapter, as well as the 
adapter itself, must be assigned a unique SCSI ID number from 0 to 
6. A SCSI ID uniquely identifies each SCSI device on the SCSI bus 
and determines priority when two or more devices are trying to use 
the SCSI bus at the same time.

The SlimSCSI 1460 adapter is preset to SCSI ID 7, which gives 
it the highest priority on the SCSI bus.

In Windows 95, you can use the Device Manager to view the 
SCSI ID and other information about each installed SCSI 
device.

If you installed Adaptec EZ-SCSI software, you can use the 
SCSI Explorer utility to view the SCSI ID and other informa-
tion about each installed SCSI device.

Содержание 1460B - APA Storage Controller Fast SCSI 10 MBps

Страница 1: ...User s Guide SLIMSCSI 1460 ADAPTER...

Страница 2: ...ulevard Milpitas CA 95035 Copyright 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 S...

Страница 3: ...R SlimSCSI 1460 Adapter User s Guide...

Страница 4: ......

Страница 5: ...nstallation in Windows NT 8 If Windows NT Is Not Installed on Your PC 8 If Windows NT Is Installed on Your PC 9 Completing the SlimSCSI Installation in OS 2 11 Using the SlimSCSI 1460 13 Hot Plugging...

Страница 6: ...iv SlimSCSI 1460 Adapter User s Guide Contacting Adaptec 23 Electronic Support 23 Technical and Product Support 24 Sales and Ordering Information 24...

Страница 7: ...er for the operating system you are using Windows 95 page 6 Windows 3 1 page 7 Windows NT page 8 or OS 2 page 11 3 Optional Install Adaptec EZ SCSI software by following the instructions in the Adapte...

Страница 8: ...SI 1460 Follow these steps to install the SlimSCSI 1460 and connect your SCSI devices to it 1 Remove the SlimSCSI 1460 from its packaging 2 Determine which of the two 50 pin cables you will use to con...

Страница 9: ...cable to the SlimSCSI 1460 as shown below 4 Plug the other end of the cable into the first or only SCSI device as shown below Make sure the SCSI device is not powered PC Card Slots SlimSCSI 1460 Slim...

Страница 10: ...e ID change the SCSI ID of one device This is usually done by changing a switch on the back of the device For more information see SCSI IDs on page 15 The diagram below shows a typical SCSI device wit...

Страница 11: ...enta tion if you are not sure whether the SCSI device provides termination power 9 Connect all power cables to the SCSI devices Then power up all the devices 10 Insert the SlimSCSI 1460 into one of yo...

Страница 12: ...isk drive 3 Double click the My Computer icon and Double click the Con trol Panel icon 4 Double click the Add New Hardware icon The Add New Hardware Wizard screen appears 5 Click Next When the next sc...

Страница 13: ...he Program Manager menu 4 When the Run dialog box appears type a setup and click OK 5 Follow the instructions that appear on the screen 6 When EZ SCSI is installed and your PC recognizes the SlimSCSI...

Страница 14: ...nue with the instructions in the next section If Windows NT Is Installed on Your PC Follow these steps if you need to install Windows NT from a CD ROM drive connected to your SlimSCSI adapter 1 Insert...

Страница 15: ...se steps ensure that the required Windows NT registry changes are made 1 Be sure that the SlimSCSI adapter is inserted in a PC Card slot and that the CD ROM drive is connected to it and is turned ON 2...

Страница 16: ...ated list of currently installed host adapter types verify that APA 1425 50 60 SCSI Host Adapter for NT 3 51 appears on the list 11 Click Close and exit Setup then restart your PC when you are prompte...

Страница 17: ...le OS 2 is running Follow these steps to complete installation of the SlimSCSI adapter under OS 2 versions 2 x 3 0 or 4 0 Warp 1 Be sure that the SlimSCSI adapter is inserted in a PC Card slot and tha...

Страница 18: ...CD ROM from the Selective Install icon 11 When automatic installation completes restart your PC The installation is now complete 12 Continue with Using the SlimSCSI 1460 on page 13 Follow these steps...

Страница 19: ...erred on the SCSI bus This is called hot plugging You can tell that data is being transferred if the SCSI device activity light is on Follow these steps to remove the SlimSCSI 1460 while Windows 95 is...

Страница 20: ...Boot the PC to DOS and parti tion the drive with the afdisk exe utility This utility is installed in the scsi directory when you install EZ SCSI If you are running Windows 3 1 use the Disk Partitione...

Страница 21: ...es and the SCSI adapter and the SCSI bus must be properly terminated SCSI IDs Each device attached to the SlimSCSI 1460 adapter as well as the adapter itself must be assigned a unique SCSI ID number f...

Страница 22: ...g a SCSI terminator On some SCSI devices termination is con trolled by setting a switch on the back of the device as shown in the illustration on page 4 Most SCSI devices come from the factory with te...

Страница 23: ...The total length of cabling on the SCSI bus should not exceed the maximum lengths listed in the following table Maximum Cable Lengths Maximum Devices Supported Data Transfer Rate Maximum Cable Length...

Страница 24: ...ch SCSI device has a different SCSI ID Be sure the last or only SCSI device on the SCSI bus is terminated Be sure at least one SCSI device connected to the SlimSCSI 1460 supplies termination power to...

Страница 25: ...normally 1 Start or restart your PC and view the onscreen messages 2 When Starting Windows 95 appears press and release F8 while the text is on the screen 3 From the menu that is displayed select Saf...

Страница 26: ...What does this mean It means that the software driver is disabled and is not loading Fol low these steps to enable the driver 1 Double click the SlimSCSI 1460 software driver in Device Manager 2 Unde...

Страница 27: ...a resource for example IRQ Memory I O 1 Click the Start button point to Settings then click Control Panel 2 Double click the System icon then click the Device Manager tab 3 Click Computer then click P...

Страница 28: ...g on the Startup button 4 Reboot the PC Follow these steps to determine if the SlimSCSI drivers have loaded properly 1 Open Control Panel then open Devices 2 Look at the sparrow device 3 If the sparro...

Страница 29: ...ons information on software upgrades and other topics is available electronically through the following Adaptec World Wide Web WWW site at http www adaptec com File Transfer Protocol FTP server at ftp...

Страница 30: ...Pacific Time After hours on weekends and on holidays product support is also available for a fee at 800 416 8066 To speak with a product support representative in Europe call French 32 2 352 3460 Eng...

Страница 31: ...other countries used under license All other trademarks are owned by their respective owners Changes The material in this document is for information only and is subject to change with out notice Whil...

Страница 32: ...ff and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between equipment and re...

Страница 33: ...at any time by destroying the Software including the related documentation together with all copies or modifications in any form Adaptec will have the right to terminate your license immediately if yo...

Страница 34: ...stand it and that by opening the package you agree to be bound by its terms and conditions You further agree that it is the complete and exclusive statement of the agreement between Adaptec and you wh...

Страница 35: ...ec at 691 South Milpitas Boulevard Milpitas CA 95035 800 959 7274 THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCT WHICH HAS BEEN DAMAGED AS A RESULT OF ACCIDENT MISUSE ABUSE OR AS A RESULT OF UNA...

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