[rescue] Sun Blade 100: no video, no beep on poweron

Michael Parson mparson at bl.org
Thu Sep 14 10:34:58 CDT 2006

On Thu, Sep 14, 2006 at 10:17:22AM -0500, Micah R Ledbetter wrote:
> On Sep 14, 2006, at 09:34, Ethan O'Toole wrote:
>>> I just bought a broken Sun Blade 100 on ebay for $20 (hooray local
>>> pickup), and I want to see if I can fix it. When I boot it up with a
>>> keyboard and display attached, the hard disk, fans, etc all receive
>>> power, but the machine doesn't beep, and nothing is displayed to
>>> video. The ebay auction just said "Doesn't POST, no beep".
>> Is it the _SUN_ keyboard?
> No, it is a PC USB keyboard.
>>> I would have tried connecting to ttya, but my understanding is that
>>> it should beep regardless, and I don't have a cable handy until this
>>> weekend anyway.
>> If I recall, these units will only work with a Sun USB keyboard. We
>> had USB to PS/2 adaptors to connect one to a KVM switch and found
>> that with other keyboards the Sun was unable to ID them and would
>> revert to Serial console.
> Hmm. The Sun Blade 100 Unofficial FAQ[0] had an entry from someone who
> said that USB<->PS2 adaptors didn't work for him, but there is mention
> elsewhere that USB keyboards are supposed to work.

I ran my Blade 100 with a PS/2 Happy Hacking Keyboare Lite with some
el-cheapo USB->PS/2 adapter, didn't have any problems, which was good,
since I didn't have any USB keyboards at the time.

Michael Parson
mparson at bl.org

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