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Conference mvblab::sable

Title:SABLE SYSTEM PUBLIC DISCUSSION
Moderator:COSMIC::PETERSON
Created:Mon Jan 11 1993
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2614
Total number of notes:10244

2582.0. "adaptec 1740 , seagate disks and NT , hanging" by KAOT01::B_CORBIN (dtn 640-7420 ) Thu Apr 17 1997 17:09

    SYSTEM:
    Alphaserver 2100 4/200  running fw 4.43
    Windows nt 3.51
    
    Also installed
    PCI ehternet controller
    pci fddi controller
    EISA vga
    2 EISA SWXCR controllere
    2 1740 adaptec EISA controllers
    
    Customer is trying to install 2 adaptec 1740 scsi EISA controllers
    and is having a problem with 1.2 gb seagate disks.
    If a cdrom or tape is attached  to either Adaptec 1740 it works , 
    Nt can see the devices..... But as soon as a Seagate disk is attached 
    the system hangs on boot  The disks are 1.2gb. The disk has its
    activity led on at the hang.
    
    Aside from SCSI bus problems of termination or bus length
    are their any issues to conserned with.
    
    	Such as
    	1.	1740 firmware shoud be g2 ?? This has not been confirmed.
    		I think this fixed issues with disks over 1.0gb
    		I think this may be the problem but were waiting 
    		for the customer to shutdown to verify the revision.
    
    	2.	base address selection from ECU on installation
    		The customer seems to think this is the problem
    		he sees the io module with a base address of
    		11000 and the 2 adapted controllers use 
    		cc000 and d000. He think their is a conflict but
    		the ECU should resolve this at installation.
    
    	3. 	port selection different from firmware to operating 
     		system ( ie PKA0 at  the firmware level is the io module;
    	        on boot would one of the Adaptec controllers assume
    		PKA0. Its hard to confirm this with NT and ARC console
    
    
    	4. 	Support for seagate disks attached to 1740 controller?
    
    
    Any suggestions welcome
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2582.1just a thought.....KAOFS::M_NAKAGAWATue Apr 22 1997 01:5916
    
    Hi Brian,
    
    Did your customer try removing the JUMPER J6 pin#1 ?
    
    If you remove J6 pin#1 then floppy controller on the board will be 
    disabled and 1740's will become 1742's.
    Only difference between 1740 and 1742 is that one jumper but ECU
    will use different .cfg files to congigure them.
    Remove the jumpers and run ECU again and see what happens.
    
    Mitz
    
    
    
    
2582.2Wide disk on narrow controllerKAOT01::B_CORBINdtn 640-7420 Wed Apr 23 1997 19:094
    According  to the call record the problem was the 
    seagate disk was a wide drive.
    
    Brian