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24

SCSI Card 2940UW Pro User’s Reference

Examples of Cabling Wide and Narrow External SCSI 
Devices

All host adapter SCSI termination is set to 

Automatic

 in 

SCSISelect.

Note: 

If correct 68-pin to 50-pin adapter is not used, 

incorrect termination could occur and hang the SCSI bus. 

Narrow

Device

Narrow

Device

50-pin

Cable

50-pin

Cable

68-pin

Cable

Wide Device

68-pin to 50-pin Adapter

(ACK-68P-50P-E)

(Terminated)

SCSI Card 
2940UW Pro

Figure 11. Connecting Narrow and Wide External SCSI Devices

Narrow

Device

Narrow

Device

50-pin Cable

50-pin Cable

68-pin to 50-pin Adapter

(ACK-68P-50P-E)

(Terminated)

SCSI Card 
2940UW Pro

Figure 12. Connecting Narrow External SCSI Devices

Narrow

Device

Narrow

Device

50-pin Cable

50-pin Cable

68-pin to

50-pin Adapter

(ACK-68P-50P-E)

Narrow

Device

Narrow

Device

68-pin Ribbon Cable

68-pin to

50-pin Adapter

(ACK-68P-50P-IU)

Wide Device
(Terminated)

(Terminated)

SCSI Card 
2940UW Pro

Figure 13. Connecting Narrow External SCSI Devices

and Internal Narrow and Wide SCSI Devices

Summary of Contents for 2940UW PRO

Page 1: ...USER S REFERENCE SCSI CARD 2940UW PRO...

Page 2: ...s reserved Adaptec and the Adaptec logo are trademarks of Adaptec Inc which may be registered in some jurisdictions Printed in Singapore STOCK NO 512218 00 Rev A DK 1 99 Adaptec Inc 691 South Milpitas...

Page 3: ...R SCSI Card 2940UW Pro User s Reference...

Page 4: ...her coun tries 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 While...

Page 5: ...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 recei...

Page 6: ...e 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...

Page 7: ...tand 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 whi...

Page 8: ...ptec 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 U...

Page 9: ...alling Multiple SCSI Cards 10 Connecting the LED Connector 11 Using SCSI and IDE or EIDE Devices 12 Replacing a Non Adaptec SCSI Card with an Adaptec SCSI Card 12 Configuring the SCSI Card 2940UW Pro...

Page 10: ...I Cables 21 External Cables 21 External Connector Diagrams 22 Cabling Examples 22 Examples of Cabling Wide and Narrow External SCSI Devices 24 Internal Cables 25 Internal Connector Diagrams 25 Adapter...

Page 11: ...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 SCSI devices SCSI devices and SCSI card and th...

Page 12: ...to SCSI ID 7 and should not be changed This gives it the highest priority on the SCSI bus Most internal SCSI hard disks come from the factory preset to SCSI ID 0 If you have 8 bit or narrow SCSI devic...

Page 13: ...tion on internal SCSI devices usually is controlled by manually setting a jumper or a switch on the SCSI device or by physically removing or installing one or more resistor modules on the SCSI device...

Page 14: ...age Starting Windows 95 appears press and release the F8 function key while the text is on your screen 3 From the menu that is displayed select Safe Mode It may take several minutes for Windows 95 to...

Page 15: ...software driver in Device Manager What does this mean The SCSI Card 2940UW Pro software driver is disabled and is not loading To enable the driver 1 Double click the SCSI Card 2940UW Pro software driv...

Page 16: ...rectory of the EZ SCSI Setup Disk and select the EZ SCSI v 5 0 E driver How can I check the status of a resource for example IRQ Memory I O 1 Click the Start button point to Settings then click Contro...

Page 17: ...on page 13 Make sure the SCSI device is set to spin up when the power is switched on See the documentation for the SCSI device Start unit request failed The SCSI Card BIOS was unable to send a Start...

Page 18: ...s between the ends of each cable must have their terminators removed or disabled See Cabling Examples on page 22 Attention Too many devices are terminated on the 50 pin narrow connector of your AHA 29...

Page 19: ...you must partition and logically format the hard disk For DOS and Windows 3 x 95 98 use the DOS Fdisk and Format commands see your computer DOS and Windows documentation For other operating systems se...

Page 20: ...m resources for example IRQ settings I O port addresses BIOS addresses and so forth Each SCSI card you install forms a separate SCSI bus with a different set of SCSI devices SCSI IDs can be reused as...

Page 21: ...LED connector on the SCSI card The LED on the front panel of the computer will light whenever there is activity on the SCSI bus see Figure 1 Note If you are using non SCSI disk drives for example IDE...

Page 22: ...device to a SCSI card or a SCSI device to an IDE card controller Disable the BIOS on the SCSI card if no SCSI hard disks are installed see Advanced Configuration Options on page 18 Replacing a Non Ad...

Page 23: ...disk utilities See the descriptions of each option starting on page 16 Table 1 SCSISelect Settings SCSISelect Options Available Settings Default Setting Basic Host Adapter Options Host Adapter SCSI I...

Page 24: ...ose Silent Mode Verbose Silent Verbose Host Adapter BIOS Enabled Disabled NOT SCAN Disabled SCAN Bus Enabled Support Removable Disks Under BIOS as Fixed Disks2 Boot Only All Disks Disabled Boot Only B...

Page 25: ...From the menu that appears use the and keys to move the cursor to the option you want to select then press Enter Note If you have difficulty viewing the display press F5 to toggle between color and m...

Page 26: ...he highest priority on the SCSI bus We recommend you do not change this setting SCSI Parity Checking When set to Enabled verifies the accuracy of data transfer on the SCSI bus Leave this setting enabl...

Page 27: ...SCSI bus Leave the setting at Yes if two or more SCSI devices are connected to the SCSI card If only one SCSI device is connected changing the setting to No results in slightly better performance Sen...

Page 28: ...d provides an extended translation scheme for SCSI hard disks with capacities greater than 1 GByte This setting is necessary only for MS DOS 5 0 or above it is not required for other operating systems...

Page 29: ...disks Software drivers are required because the remov able media drives are not controlled by the BIOS Caution Do not remove a removable media car tridge from a SCSI removable media drive con trolled...

Page 30: ...you to perform a low level format on a hard disk Most SCSI disk devices are preformatted at the factory and do not need to be formatted again Each hard disk must be low level formatted before you can...

Page 31: ...cable that best meets your needs Figure 2 shows the connectors on the SCSI Card 2940UW Pro External Cables Table 2 External Cables Description CableModel Number Ordering Name DB25 pin to DB25 pin Cab...

Page 32: ...sity 68 pin Figure 4 High density 50 pin Figure 5 Low density 50 pin Figure 6 DB25 pin SCSI Card 2940UW Pro Fast Wide Ultra Peripheral Terminated High density 68 pin Internal Ultra SCSI Cable Fast Wid...

Page 33: ...al Ultra SCSI Cable High density 68 pin Internal Ultra SCSI Cable SCSI Card 2940UW Pro Fast Wide Ultra Peripheral Fast Wide Ultra Peripheral Figure 9 Connecting Fast Wide Ultra Internal and External S...

Page 34: ...Terminated SCSI Card 2940UW Pro Figure 11 Connecting Narrow and Wide External SCSI Devices Narrow Device Narrow Device 50 pin Cable 50 pin Cable 68 pin to 50 pin Adapter ACK 68P 50P E Terminated SCSI...

Page 35: ...able 3 Internal Cables Description CableModel Number Ordering Name 50 pin with connector for 4 SCSI devices SCSI card 1 5 m 1100 ACK INT5 68 pin with connectors for 4 SCSI devices SCSI card 1 1 m 1200...

Page 36: ...50P IU Internal High density 50 pin to External High density 50 pin Cable with 2 Additional Internal Positions 700 ACK 50I 50E CBL KT 98 68 pin Terminator Block 800 ACK 68 TERM CBL KIT 50 pin Terminat...

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