From owner-freebsd-hackers Sat Jul 10 15:14:32 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from rover.village.org (rover.village.org [204.144.255.49]) by hub.freebsd.org (Postfix) with ESMTP id A2C8114D72 for ; Sat, 10 Jul 1999 15:14:28 -0700 (PDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (harmony.village.org [10.0.0.6]) by rover.village.org (8.9.3/8.9.3) with ESMTP id QAA10638; Sat, 10 Jul 1999 16:14:33 -0600 (MDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (localhost.village.org [127.0.0.1]) by harmony.village.org (8.9.3/8.8.3) with ESMTP id QAA33353; Sat, 10 Jul 1999 16:12:41 -0600 (MDT) Message-Id: <199907102212.QAA33353@harmony.village.org> To: Bill Paul Subject: Re: PCCARD and Vpp voltage Cc: hackers@FreeBSD.ORG In-reply-to: Your message of "Fri, 09 Jul 1999 18:38:43 EDT." <199907092238.SAA07224@skynet.ctr.columbia.edu> References: <199907092238.SAA07224@skynet.ctr.columbia.edu> Date: Sat, 10 Jul 1999 16:12:41 -0600 From: Warner Losh Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <199907092238.SAA07224@skynet.ctr.columbia.edu> Bill Paul writes: : - Why is the vpp voltage alwats left at 0? I think that is what the standard suggested. Since I've not yet recieved the standard, I can't look it up. : - Is it safe for me to change the code so that it's set to 5 volts? : Obviously I'm going to need this change in order to make the Aironet : PCMCIA cards work. : - If it's not safe to default vpp to 5 volts, is there a safe way to : detect when it needs to be turned on and do it only for those cards : that need it? I'm not sure. There are low voltage cards and I'm not sure how they would like having 5V applied to Vpp to them. Again, I've not looked up the standards.... Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message