Date: Fri, 16 Nov 2018 15:14:07 -0800 From: Mark Millard <marklmi@yahoo.com> To: Dennis Clarke <dclarke@blastwave.org> Cc: FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: The PowerMac G5 internal hard disk SATA question Message-ID: <9779D6A9-EF67-48C3-AAFB-50134B9F2D70@yahoo.com> In-Reply-To: <c498b85e-6e75-f121-6266-6a94c46533eb@blastwave.org> References: <157b8bec-f5f6-08ba-cc2e-a58dc42894c5@blastwave.org> <20181115104303.631cb9d8@ralga.knownspace> <60a561b1-23c0-7181-05a5-609008b1f06e@blastwave.org> <EBB0C56C-61FF-4A61-BBB4-2E329646DD21@yahoo.com> <c498b85e-6e75-f121-6266-6a94c46533eb@blastwave.org>
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On 2018-Nov-16, at 13:24, Dennis Clarke <dclarke at blastwave.org> = wrote: > On 11/15/18 5:40 PM, Mark Millard wrote: >> On 2018-Nov-15, at 13:07, Dennis Clarke <dclarke at blastwave.org> = wrote: >>> On 11/15/18 11:43 AM, Justin Hibbits wrote: >>>> On Thu, 15 Nov 2018 11:18:43 -0500 >>>> Dennis Clarke <dclarke@blastwave.org> wrote: >>>>> Someone (offlist) asked if my shiney new Seagate hard disk was >>>>> compatible with SATA-I and I wouldn't know. I have had various = types >>>>> of hard disks in this thing and also some SSD types. Nothing is = very >>>>> fast and all of them worked. >>>>>=20 >>>>> Not sure if anyone else has tried to attach a new Samsung EVO SSD >>>>> onto an old PowerMac G5 but I would be interested to hear the >>>>> results. In the mean while I will figure out how to fully backup = the >>>>> contents of my old Apple branded Hitachi Deskstar HDS725050KLA360 >>>>> 500GB disk which has a very stable Debian sid PPC64 image on it. I >>>>> figure dd will do the trick. >>>>>=20 >>>>> If there is a way to install FreeBSD from a USB stick onto a = PowerMac >>>>> G5 well I'd love to hear from someone about the OpenFirmware magic >>>>> needed. Thus far using a PC keyboard and a Vulkan nerve pinch >>>>> CTRL+O+F does not get me to the openfirmware prompt. It has been a >>>>> while since I tried and it may need a six fingered vulkan hand to = do >>>>> CTRL+SHIFT+O+F to work. Have you found a way to get to the Openfirmware prompt? Someone may know of things to check for or reset from the prompt. >>>>> Then boot ud:,\\:tbxi ??? >>>>>=20 >>>>> Dennis >>>> Hi Dennis, >>>> My experience with the Samsung EVO drives on PowerMac G5 is they = only >>>> seem to work on the second (bottom) SATA interface. I have yet to >>>> figure out why, but both my 840EVO and 850EVO behaved that way. It >>>> works more or less fine there. Sometimes my G5 would forget about = it >>>> at boot, and I'd have to power cycle in order for it to recognize = the >>>> drive again. It never once worked in the 'primary' slot. >>>=20 >>> OKay this is helpful ! Thank you. I thought I was losing my mind ( = what >>> there is to lose ) in that I was getting weird behavior from my = disks or >>> ssds in these old boats. Could just be bizarre Apple hardware. >>>=20 >>> I think what I shall do is boot ye old original Apple label Hitach = disk and then do a backup to an external USB attached brick. That way I = have >>> all my Debian sid ppc64 work saved away. Maybe I will fire up = another G5 >>> brick but those damn things really put a drain on the UPS for what = they >>> do. Perhaps QEMU will be okay for my Debian sid ppc64 work. = Regardless I >>> have greater interest in FreeBSD UNIX and I realyl would like to = have at >>> least two or three risc machines running. Namely RISC-V and PPC64 = and a >>> SPARC unit for local flavour. I have a ton of SPARC laying about. = Also a >>> metric ton of PA-Risc HP Superdome gear in my life. However that is = a >>> whole other story and only Helge Deller could make those work. >>>=20 >>> So anyways ... I will try with the original Apple part disk in the >>> correct slot and then there are no excuses. >> Were I long-ago got the SSDs that I use in the PowerMac G5s >> used to list compatibility extensively, case by case, for >> they're products vs. direct use in various Apple systems. >> But it had an interesting summary after looking through the >> information for G5's (from memory): >> asynchronous NAND: compatibile >> synchronous NAND: problematical/incompatible >> All the SSDs that I use in the G5's are based on asynchronous >> NAND. At this point, they are all old. >> That company no longer sell SSDs that they classify as >> compatible with PowerMac G5's. >=20 > I have abandoned SSD's entirely as problematic and just another = variable > that is not worth having in the situation. Also I will thank Justin > Hibbits for some hints here that perhaps the upper SATA connector is > somehow different from the lower connector. I've been lucky and never used a device with such a distinction showing up. > Seagate ST3000DM001 installer seems happy and machine will > not boot. I get a white screen that > seems confused : >=20 Not that it helps solve the problem (and you may well know already), but the white display of: > ofw_close: devh=3D0x0 >=20 > >> FreeBSD/powerpc Openfirmware boot block > Boot path: /ht@0,f2000000/pci@9/k2-sata-root@c/@0/@0: > Boot loader: /boot/loader > Boot volume: /ht@0,f2000000/pci@9/k2-sata-root@c/@0/@0:3 is from Apple's Openfirmware --or at least is from before FreeBSD materials change the display: very early. It suggests the initial transition out of Openfirmware did not get very far at all. I've never had boot problems that were this early as far as I can remember. I always got past the display change (to a black background), if I remember right. > Then nothing happens and after four or five minutes the fans kick into = a > higher gear and I remove the power cord. >=20 > So I will move on to Seagate ST2000DM001 and also a small "Enterprise" > Seagate ST2000NX0243 and lastly the original Apple Hitachi = HDS725050KLA360. >=20 > The small ST2000NX0243 will be a disaster given that it is native 4K > sectors only. Great for an array but not so great for older equipment. >=20 > This is all taking a lot of time with zero progress thus far. >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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