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echo: locuser
to: Bob Lawrence
from: Keith Richardson
date: 1996-06-30 18:56:40
subject: Cheap RAM

BL> I won't be using the CD much anyway, but I want two hard drives
 BL> and the CD. I can't do that on my $20 IDE card (can I?).

 KR> only if it has 2 ports, or you have 2 cards, and set the second
 KR> one to the secondary port adress. 

 BL>   Ahh... TWO cards? I didn't know you could do that. The CD driver
 BL> rabitted on about port addresses, and moving them around.

it has always been possible physically to use 2 cards right back to the
days of mfm disks, its just that the bioses never supported it.

 BL>   It looks like I timed the quad-CD just right for lowest price. I had
 BL> to hunt around to actually find one (most said thay only sold hex
 BL> now), and the guy threw in a VLB EIDE card for $10 because they are
 BL> just about obsolete too.

yearh, i paid $17 for one about 6 months ago.

 BL>   The card has a mystery: under "IDE MODE" there are four
switches for
 BL> 600ns, 500nS, 400nS and 240nS. It was set at 600nS so I left it there
 BL> and it works okay, but what does it all mean? Would it be worth trying
 BL> 240nS, do you think?

from memory, the lower the number, the faster that the interface goes, i
suspect that it will make exactly bugger all difference to the cd.

 BL>   The other switch I didn't understand was IOCHRDY which could be set
 BL> to IDE0 or IDE1. I left it set tio IDE0 and it seems to work. What
 BL> does IOCHRDY mean?

there is a signal on the ide bus called iordy, it may be something to do
with that, you could change it to see what happens, it wont hurt anything.

                   keith
@EOT:

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