Re: AlphaServer 4100 CPU fan

2015-07-20 Thread Richard Loken
On Mon, 20 Jul 2015, Adrian Graham wrote: > We still have a few AS4100s out there in the field and CPU fans are > becoming scarce, so being canny we sourced some *almost* identical > replacements to no avail. In the majority of cases, it is the bearings that fail and they are commercially obtaina

Re: AlphaServer 4100 CPU fan

2015-07-20 Thread Johnny Billquist
On 2015-07-20 17:31, Adrian Graham wrote: Hi, Do the original fans have speed sensors? There were several different versions of this. Some fans have an OK signal, some give a pulse once per rev. Did the original fans have 3 wires? Yes, I put them down as +12V, GND, Pulse. Original fan: ht

Re: AlphaServer 4100 CPU fan

2015-07-20 Thread Adrian Graham
Hi, >Do the original fans have speed sensors? There were several different versions of this. Some fans have an OK signal, some give a pulse once per rev. Did the original fans have 3 wires? Yes, I put them down as +12V, GND, Pulse. Original fan: http://f0p.co.uk/AS4100original.JPG Replacement

Re: AlphaServer 4100 CPU fan

2015-07-20 Thread Jon Elson
On 07/20/2015 09:23 AM, Adrian Graham wrote: Folks, I didn't realise there'd been a clasiccmp server meltdown, wondered why I wasn't getting mails :) We still have a few AS4100s out there in the field and CPU fans are becoming scarce, so being canny we sourced some *almost* identical replacemen

AlphaServer 4100 CPU fan

2015-07-20 Thread Adrian Graham
Folks, I didn't realise there'd been a clasiccmp server meltdown, wondered why I wasn't getting mails :) We still have a few AS4100s out there in the field and CPU fans are becoming scarce, so being canny we sourced some *almost* identical replacements to no avail. Original spec for the fan is 1