Return-Path: Delivered-To: craig@sbc-85.com Received: from gator4254.hostgator.com by gator4254.hostgator.com with LMTP id wI7KGG1jD2Qn1QkAcizydQ (envelope-from ) for ; Mon, 13 Mar 2023 12:54:53 -0500 Return-path: Envelope-to: craig@sbc-85.com Delivery-date: Mon, 13 Mar 2023 12:54:53 -0500 Received: from mail-il1-f173.google.com ([209.85.166.173]:41623) by gator4254.hostgator.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.95) (envelope-from ) id 1pbmNp-002rlq-6X for craig@sbc-85.com; Mon, 13 Mar 2023 12:54:53 -0500 Received: by mail-il1-f173.google.com with SMTP id r4so1366383ilt.8 for ; Mon, 13 Mar 2023 10:54:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678730082; h=content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject:from:to:cc:subject:date :message-id:reply-to; bh=gdqzTLykbCf/EOEAeZzYvvbZzySTk9ywtHYznoMbTGk=; b=NNtp1g7JDY80hHKxevJkkDOgAP+nZj/QMHHru0N/EVtHrYKAR2EH2eYMqtC19n7QQT FNxrpVm2bHlcM5VyhlD4V19vfrjQ6D394rjQVSzW6n8w+SWVsuWZvyg+BwtH4lJAfIL1 tJmwMh8qV/eyv8Qc10ZgfD06hKdm+bqC+CaKigmiIsVO9dDEd2f2SxhKI0/sq17cTOWw MCzUClFaf6ABv68IKy1dPzXLH5xjEQ3W38rvOPfllUUTawpPpxu8gpD/TQcofsQts8zO 4D3Z44BPu6K5iKDdGoV3ixc8jTxNzu+4b5eX9ASq93q0/SsGa9DEhXnYBWABB7dao2If E58g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678730082; h=content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gdqzTLykbCf/EOEAeZzYvvbZzySTk9ywtHYznoMbTGk=; b=B69hioqe5K8pZ8zyKbE/yxYIcTdc422gxz+vQHA0+FaV5OsTYef2Xazwq+E/c0Xuq4 cu4F4YxLFgFXZP5wvb5OSSjP1cU6pefKFPQJNafM4Ul+Zk0EG4rN97iud4i7lfenoK5C cbmFVD2JmEpDVfnCHRmhew6Gor0Vh2ODLpsxTJ1K4lNqQHEkF2G7yE7hF8bjpTXdKEsj Un3Azyf0lYbkl1rj+7Tq5qnnfYHOnjrZyznb0+fWGO6XY/6IsUPBFcQapvJKfhxDZb0J hYOjzmvdQrjnOiSK9Uo0DklUIp5hezMcLLWdqx5MeITpz/I/Y83rX2Gjvn/6ZMe2AAG6 dBkQ== X-Gm-Message-State: AO0yUKXD4BtgREcYkUqGspfRrtiBk41nEHSbBbeBXeqsF7Jl88M/ZOKg VBK5T7aMa2Pif8fDa/NQuQEIjVLe2Q== X-Google-Smtp-Source: AK7set9dcilq3cXp4fjHsUOSXSAVkHtj+5KmWN/GSVDcbLpwyi7CpuodcxFbc6Lrzh/SSlz513if0A== X-Received: by 2002:a05:6e02:1a2d:b0:323:70c:ba96 with SMTP id g13-20020a056e021a2d00b00323070cba96mr694770ile.0.1678730082038; Mon, 13 Mar 2023 10:54:42 -0700 (PDT) Received: from dhbsd.lan ([68.235.43.22]) by smtp.gmail.com with ESMTPSA id p14-20020a92b30e000000b003230381d223sm131176ilh.27.2023.03.13.10.54.41 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Mar 2023 10:54:41 -0700 (PDT) Subject: Re: SBC Bus specifications v0.6 To: craig@sbc-85.com References: <60d6c138-df14-f026-20c6-3ce03d391b5f@gmail.com> <6B52D9E9-1713-41CB-8453-A0EAE1747BA2@sbc-85.com> <7631ddb3-31e6-1fb0-066d-64b1483ec774@gmail.com> <0aff01d953b3$3a539d70$aefad850$@sbc-85.com> <3df48822-82cc-3868-6571-7a7d996d5a8c@gmail.com> <0bb801d953c4$6ad09410$4071bc30$@sbc-85.com> <7995fc65-c078-ac12-1ae3-8c84a84ef03c@gmail.com> <162f01d95538$e705d930$b5118b90$@sbc-85.com> From: denverh Message-ID: <45fbe975-1bb9-f6d5-35b4-f9d836b9a2be@gmail.com> Date: Mon, 13 Mar 2023 12:54:40 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Firefox/68.0 SeaMonkey/2.53.14 MIME-Version: 1.0 In-Reply-To: <162f01d95538$e705d930$b5118b90$@sbc-85.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=0.3 X-Spam-Score: 3 X-Spam-Bar: / X-Spam-Flag: NO craig@sbc-85.com wrote: > Here is the latest, let me know if you have any comments. I am keeping a running version of the document here: > https://bitsofthegoldenage.org/download/sbc-bus-specifications/ Hi Craig, This looks good.  I like the local bus idea with jumpers to make it easier to reconfigure things.  And four extra address lines don't hurt either. Thanks, Denver