AT&T SVR4 and 1542B

[Tim Wright]

In <1991May25.152757.28400 at scuzzy.in-berlin.de> src at scuzzy.in-berlin.de (Heiko Blume) writes:

>tin at smsc.sony.com (Tin Le) writes:
>>  I've been informed by Dell that they have a customer who is using the
>>1740 with their SVR4 and their machine.  However, he has to use the
>>1542B emulation mode of the card as there is no driver for the 1740
>>native mode.  That's too bad because you won't get any benefits that
>>EISA and the 1740 (possibly) offers.  IMHO, it's a waste of money.

>that is not correct, the 1740 will do 32bit DMA in both modes.

Unfortunately, all the "1542"-type drivers I know of only setup 24-bit
addresses and hence the 1740 cannot be used in systems with more than
16M of memory. However I see that there are drivers for the 1740 being
produced by most OS vendors so the problem should soon be history.

Tim
-- 
Tim Wright, Dell Computer Corp., Bracknell    |  Domain: tim at dell.co.uk
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