Subject: Re: 3.3V PCMCIA modem card
To: Mizuno Takafumi <takam@sd.starcat.ne.jp>
From: IWAMOTO Toshihiro <iwamoto@sat.t.u-tokyo.ac.jp>
List: port-hpcarm
Date: 12/09/2002 10:39:35
At Mon, 09 Dec 2002 02:41:41 +0900,
Mizuno Takafumi wrote:
>
> hello.
>
> Has anyone used PCMCIA Modem(build in mobile phone) card
> that worked on only DC 3.3V on the Jornada 720?
>
> I put this card in PCMCIA slot. The messages then are :
If nothing has changed recently, jornada720's PCMCIA slot always outputs
DC 5V. The hardware is capable of doing 3.3V and there are some code
in /sys/arch/arm/arm32/sa11xx_pcic.c, voltage selection isn't implemented
because of inability of the upper layer (i.e., /sys/dev/pcmcia).
--
IWAMOTO Toshihiro