-----Original Message-----
From: Robert A. Hayden <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Wednesday, June 10, 1998 4:18 PM
Subject: Re: more than 4 ide drives?
>Isn't 5 and 7 also available? I know 7 is the LPT port. 5 is often used
>by the soundcard, but if you have neither...
Usually. I guess I should have mentioned; you can use 8-bit IRQs with
16-bit cards with no problem.
You can NOT use 16-bit IRQs with 8-bit cards.
This only affects ISA cards.
You can tell the difference by the edge connector; if it is one piece, it's
8-bit. If it's got the long 8-bit piece and a short (about an inch) piece
after that with a gap in between, it's 16-bit.
It's a good idea to configure your 8-bit cards first, to make sure you've
got enough 8-bit IRQs. Alternately, put any 16-bit cards on 16-bit IRQs
first.
If you put a 16-bit card on an 8-bit IRQ, it will function absolutely
properly. The bitness of the IRQ doesn't affect the operation of the card,
it's just that 8-bit cards can't address the 16-bit IRQs.
--
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