From owner-freebsd-questions@freebsd.org Wed May 20 17:42:04 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C0C832DFEA8 for ; Wed, 20 May 2020 17:42:04 +0000 (UTC) (envelope-from tundra@tundraware.com) Received: from oceanview.tundraware.com (oceanview.tundraware.com [45.55.60.57]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mailman.tundraware.com", Issuer "mailman.tundraware.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 49S0SC3JMjz4Vbp for ; Wed, 20 May 2020 17:42:03 +0000 (UTC) (envelope-from tundra@tundraware.com) Received: from [192.168.0.7] (ozzie.tundraware.com [75.145.138.73]) (authenticated bits=0) by oceanview.tundraware.com (8.15.2/8.15.2) with ESMTPSA id 04KHfYqd007553 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Wed, 20 May 2020 12:41:34 -0500 (CDT) (envelope-from tundra@tundraware.com) Subject: Re: OT: Weird Hardware Problem To: Valeri Galtsev , freebsd-questions@freebsd.org References: <0a9f810d-7b4b-f4e6-4b7c-716044a9cf69@tundraware.com> <8b13e2f5-6ff4-ecc2-7036-c88cff0f5b6b@tundraware.com> <8732b894-0962-3546-4697-4c2ae0658cb8@kicp.uchicago.edu> From: Tim Daneliuk Message-ID: <2a2afa7a-cbb9-4664-3b6b-4c955565e947@tundraware.com> Date: Wed, 20 May 2020 12:41:29 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <8732b894-0962-3546-4697-4c2ae0658cb8@kicp.uchicago.edu> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (oceanview.tundraware.com [45.55.60.57]); Wed, 20 May 2020 12:41:35 -0500 (CDT) X-TundraWare-MailScanner-Information: Please contact the ISP for more information X-TundraWare-MailScanner-ID: 04KHfYqd007553 X-TundraWare-MailScanner: Found to be clean X-TundraWare-MailScanner-SpamCheck: not spam (whitelisted), SpamAssassin (not cached, score=-2.104, required 1, ALL_TRUSTED -1.00, AWL 0.80, BAYES_00 -1.90) X-TundraWare-MailScanner-From: tundra@tundraware.com X-Spam-Status: No X-Rspamd-Queue-Id: 49S0SC3JMjz4Vbp X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of tundra@tundraware.com designates 45.55.60.57 as permitted sender) smtp.mailfrom=tundra@tundraware.com X-Spamd-Result: default: False [-1.49 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a]; NEURAL_HAM_LONG(-0.82)[-0.818]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[tundraware.com]; NEURAL_HAM_MEDIUM(-0.59)[-0.595]; NEURAL_SPAM_SHORT(0.22)[0.223]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:14061, ipnet:45.55.32.0/19, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 May 2020 17:42:04 -0000 On 5/20/20 11:07 AM, Valeri Galtsev wrote: > Yes, it was I who mentioned electrolytic capacitors. Yeah, I am painfully aware of these issues, having started my career as an analog circuit designer :) What made this one so weird is that the PS that isn't working on the Dell, worked just fine on another machine that had _more_ drives in it and an old power hungry AMD chip in it. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/