[rescue] Clearpoint RAM - was Re: Sun-3 memory board

Rob Jarratt robert.jarratt at ntlworld.com
Sat Aug 5 13:43:17 CDT 2017


> -----Original Message-----
> From: rescue [mailto:rescue-bounces at sunhelp.org] On Behalf Of Chris
> Sent: 05 August 2017 19:19
> To: rescue at sunhelp.org
> Subject: Re: [rescue] Clearpoint RAM - was Re: Sun-3 memory board
> 
> On 08/05/17 17:00, rescue-request at sunhelp.org wrote:
> > Re: [rescue] Clearpoint RAM - was Re: Sun-3 memory board
> 
> I'm new here and this is the first post, so hope it gets to the correct
thread.
> 
> I've had similar problems with old machines. The early static ram seems
the
> worst, but solder in memory can be pretty bad. The most recent example was
> the cpu board for a HP 9816 tech computer. That used 64kx1 memory devices
> soldered into the board, showing up loads of errors. Decided to replace
the lot,
> all 32 of them. Using sharp side cutters, cut pins along the edge of the
device
> and unsolder each pin to prevent damage to the board. Put in turned pin
low
> profile sockets and new ceramic 64 k devices. Not as bad as it sounds and
well
> worth the effort, as this machine is needed for the HP basic and IEEE
control
> ability. Also, just neat 68k machines.
> 
> I'm also clearing ut a store this year. Loads of computer kit, from Sun
Ultra II,
> V210, V240 V440, Dec, IBM and more.
> Free, not trying make any money from this, but is there any interest in
the UK ?.
> Of course, prefer to get rid of it all at once, not bit by bit...
> 

Hello Chris,

Always interested in DEC gear, what are you looking to clear out?

Regards

Rob


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