Gentoo Archives: gentoo-user

From:	"Hemmann
To:	gentoo-user@l.g.o
Subject:	Re: [gentoo-user] [OT] Power supply with no -5v rail?
Date:	Wed, 29 Nov 2006 22:40:10
Message-Id:	`200611292232.14137.volker.armin.hemmann@tu-clausthal.de`
In Reply to:	Re: [gentoo-user] [OT] Power supply with no -5v rail? by Mike Huber

1	On Wednesday 29 November 2006 22:08, Mike Huber wrote:
2	> By rail you mean a connection to the motherboard right? The power supply
3	> itself has a 5v rail, which is delivered to the drives. Correct me if I'm
4	> wrong, but that's my understanding.
5
6	there is 5V and there is -5V.
7
8	5V is needed for io stuff (like the drives), -5V was used for the ISA slots.
9
10	When the ATX standard was created, one of the 20pins/21cables was -5V.
11
12	Since -5V is not needed anymore, it was dropped some time ago. The connector
13	is still 20pins 'wide', but one of them is empty.
14	--
15	gentoo-user@g.o mailing list

Subject	Author
Re: [gentoo-user] [OT] Power supply with no -5v rail?	Dale <dalek@××××××××××.net>