[Coco] 2 x 3.5 Drives on CoCo

[Jason Law]

Thanks so much!

I could see where DS was soldered on the board and was contemplating cutting
a trace and soldering the other, but a cable twist is safer and less
permanent :)

Any chance anyone has schematics for a power supply? I'm using an old AT
power supply for testing, but a 230W power supply is a bit of an over kill
long term :D

Thanks again


-----Original Message-----
From: coco-bounces at maltedmedia.com
[mailto:coco-bounces at maltedmedia.com]On Behalf Of Darren A
Sent: Saturday, March 13, 2010 4:10 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 2 x 3.5 Drives on CoCo


On 3/12/10, Jason Law  wrote:
> Hi Guys,
>
> Does anyone have info on the cable twist that needs to be done to allow 2
x
> 3.5 drives to work from a disk controller?
>
> I have one drive working as drive 1 & 3, but I have read a cable twist is
> required for drive 0 & 2
>
> Thanks in advance :)
>
> --

Twisting lines 10 through 12 swaps the drive 0 and drive 1 select
lines so that a drive which is hard-wired to respond as drive 1 (as
many 3.5 inch drives are) will respond as drive 0.

Darren

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