8-bit ISA SCSI cards?

[Dave McGuire]

On Apr 7, 2007, at 1:59 AM, Jim Leonard wrote:
>>> I'm restoring a few more 5150s and realized that, although my MFM
>>> hardware stores are being depleted, I'm just maggoty with SCSI  
>>> drives,
>>> from 40MB to 18GB.  Can anyone recommend any 8-bit ISA SCSI  
>>> adapters by
>>> model, name, or whatever I can use to search for them on ebay?
>>>
>>> Also, do such 8-bit adapters have an onboard BIOS?  It would be  
>>> great if
>>> I didn't have to boot off of a floppy disk just to access the hard
>>> drive...  I have a CorelSCSI card at home, but when I plug it in it
>>> doesn't do anything at POST, and I don't have a driver or  
>>> software to
>>> test the card anyway :-/
>>   I've used Adaptec 1542B/1542C and Always IN-2000 cards.  They  
>> both work well and have onboard BIOSes.
>
> Don't those have 16-bit ISA interfaces?  Do they work in 8-bit mode  
> (ie. if you plug them into an 8-bit slot)?  Adaptec 1510 docs from  
> 1991 suggest AT or later...
>
> The Always IN-2000 only supports IRQs above 9 so that clearly won't  
> work in a PC or XT...

   I'm sorry, I totally missed the "8-bit" requirement. :-(

           -Dave

-- 
Dave McGuire
Port Charlotte, FL