[Info-vax] Modding a DS10-L

[Rich Jordan]

On Mar 16, 7:10 am, "John E. Malmberg" <wb8... at qsl.network> wrote:
> On 3/15/2012 6:22 PM, Rich Jordan wrote:
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> > On Mar 15, 5:52 pm, "John E. Malmberg"<wb8... at qsl.network>  wrote:
> >> On 3/15/2012 12:09 PM, Rich Jordan wrote:
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> >>> One of my two hobbyist DS10L systems has bit it; the main logic board
> >>> is dead and it just isn't cost feasible to repair/replace right now.
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> >> B-Cache errors?
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> >> Not confirmed as applicable to a DS10, but they are similar boxes.
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> >>http://labs.hoffmanlabs.com/node/441
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> > Actually I've been perusing Hoffman Labs because I finally remembered
> > FSL instead of SROM for the AS200 (I did one once and it worked).  So
> > in case its corrupted flash I tried an FSL with a valid freshly made
> > firmware floppy.  UNfortunately no change.  Environment light
> > (leftmost) flashes 16 times during POST, then 6 beeps, then
> > environment light on solid yellow, power light solid green, others
> > dark.  The floppy drive never twitched so I don't think its getting to
> > the point of checking for firmware corruption.
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> To quote HoffmanLabs.com:
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> 11-Nov-2008 — AlphaServer DS15 series B-Cache errors can be tied back to
> a failed Dallas and to the validity of the NVRAM EEPROM contents of the
> FRU tables within the system; a magic sequence that can rebuild the FRU
> tables (jumper J22 to 15/16 to allow the box to power up, then >>>
> buildfru -S HMB 00 80 08 02 01 E8 03 01 00) is discussed in ITRC
> threadId=1256015.
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> Unfortunately the links to ITRC all got broken with the move to the new
> forums.
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> There is also some things to try on a DS10/DS10L, with a note that if
> this is the issue, a sequence from a working DS10/10L is probably needed
> before attempting to fix the broken one.
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> Nothing involved a boot floppy, but did involve installing a jumper to
> bypass some POST tests to allow you to get to a console prompt.
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> -John
> wb8... at qsl.network
> Personal Opinion Only

Thanks, Hoff, for already updating the broken ITRC link!