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Search: Posts Made By: Curious.George
Forum: General Computer & Tech Discussion Yesterday, 01:32 AM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

Early XMAS! (great time of year as businesses do "housecleaning!")

Fifteen, 12 drive SANs, each populated with 24T of media (i.e., 360T of rust!)

Ten 256G 2.5" SSDs.

Eight 128G 2.5" SSDs.
...
Forum: General Electronics Technical Discussion 12-10-2019, 08:23 PM
Replies: 4
Views: 117
Posted By Curious.George
Re: Car Ammeter

You can monitor "low side" or "high side" -- low side is usually easier. But, a lot depends on what else you're interfacing with.

And, the range of values you want to be able to measure -- along...
Forum: General Computer & Tech Discussion 12-10-2019, 07:37 PM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

They were (I already dropped them off) likely Hitachi as they came out of an Apple storage array (each mounted in individual carriers to allow the drives to be hot-plugged).

I don't get involved...
Forum: General Computer & Tech Discussion 12-10-2019, 03:37 AM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

Another Z800 -- I think that's number six or seven? Dual CPU but I haven't fired it up yet to inventory its resources (though I see 4T of disk and a Q4000).

Eight 500G drives -- but, in my haste...
Forum: General Electronics Technical Discussion 12-05-2019, 04:08 PM
Replies: 33
Views: 509
Posted By Curious.George
Re: Charger circuit questions

If you learn something from the effort, great! E.g., you could note how the performance of the cells varies with load current (C, C/5, C/10, shelf-life). Or, how charge times varies based on...
Forum: General Electronics Technical Discussion 12-05-2019, 01:02 PM
Replies: 33
Views: 509
Posted By Curious.George
Re: Charger circuit questions

My system for testing "batteries" is pretty simple:
- place in charger
- if charger indicates FAULT, "discard"
- else wait for charge cycle to complete
- use "charged" battery; if performance is...
Forum: General Electronics Technical Discussion 12-05-2019, 03:47 AM
Replies: 33
Views: 509
Posted By Curious.George
Re: Charger circuit questions

ROTFLMFAO! There's a point (in life) when you realize there simply aren't enough hours to do ALL the things you WANT to do. Then, you decide what you can afford to "hire out" (or, "buy new") in...
Forum: General Computer & Tech Discussion 12-03-2019, 08:29 PM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

Six WD Black 1T 3.5" drives, three WD black 500G 2.5" drives and ~10 pounds of RAM (I didn't have time to dig through it so just took it home to sort; prolly too new for the machine I'm looking to...
Forum: Troubleshooting & Designing Networks 12-03-2019, 08:24 PM
Replies: 34
Views: 8,813
Posted By Curious.George
Re: IP version 6

From the perspective of the network itself (i.e., the fabric), the biggest win is the elimination of the need to support fragmentation and reassembly in devices "on the route". This means those...
Forum: General Electronics Technical Discussion 12-02-2019, 04:37 PM
Replies: 33
Views: 509
Posted By Curious.George
Re: Charger circuit questions

The only "thing of value" is likely the case and the mechanism by which it mates with the cell being charged. Remove all of the electronics and deadbug a new charging circuit (of whatever...
Forum: General Electronics Technical Discussion 12-02-2019, 04:35 PM
Replies: 48
Views: 611
Posted By Curious.George
Re: CCTV cameras: single PSU or individual PSUs ?

I have a rack-mountable triple supply that is digitally programmable. Its handy when I'm dealing with something "unknown" as I can type in voltage set and max current limit -- then monitor the...
Forum: General Electronics Technical Discussion 12-01-2019, 04:20 PM
Replies: 48
Views: 611
Posted By Curious.George
Re: CCTV cameras: single PSU or individual PSUs ?

We're using 12V "bricks" from LCD monitors to power groups of (analog) cameras. If a brick fails, there are plenty more to choose from in the "discards" pile! (don't care what sort of barrel...
Forum: General Electronics Technical Discussion 12-01-2019, 05:21 AM
Replies: 33
Views: 509
Posted By Curious.George
Re: Charger circuit questions

That's a likely conclusion.



Yes, but without knowing the circuit topology, you can't determine if this is "hard-wired" in the controller, or not. E.g., the reference in an LM317 is "inside...
Forum: Troubleshooting & Designing Networks 11-30-2019, 07:21 PM
Replies: 34
Views: 8,813
Posted By Curious.George
Re: IP version 6

If you think the only difference (improvement!) that IPv6 offers is a larger address space, then you've not looked into the nitty-gritty of it. You don't push a big specification change on an...
Forum: Troubleshooting & Designing Networks 11-30-2019, 07:17 PM
Replies: 34
Views: 8,813
Posted By Curious.George
Re: IP version 6

"Legacy" devices will be handled by bridge appliances. I.e., you can map an IPv4 subnet into an IPv6 subnet and diddle with the protocol issues in an appliance; penalize legacy devices as the only...
Forum: General Computer & Tech Discussion 11-30-2019, 05:18 PM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

100' HDE15 M-M. I'm curious how well it works! (then I'll see if I can imagine a use for it)
Forum: General Computer & Tech Discussion 11-30-2019, 05:15 PM
Replies: 5
Views: 166
Posted By Curious.George
Re: Major firmware bug found in Hewett Packard Enterprise SSDs!

The key word here is "enterprise". I.e., likely the folks running them have support contracts (and/or local staff) to catch these things.

Also, they are likely to be servers -- in which case,...
Forum: General Electronics Technical Discussion 11-30-2019, 05:06 PM
Replies: 33
Views: 509
Posted By Curious.George
Re: Charger circuit questions

Paint the circuit board blue -- that should fix things for you! The darker the blue, the lower the cutoff voltage...

(Sound crazy? Isn't expecting us to GUESS what the circuit entails in order...
Forum: Troubleshooting & Designing Networks 11-29-2019, 03:39 PM
Replies: 34
Views: 8,813
Posted By Curious.George
Re: IP version 6

NAT isn't intended as a security mechanism. Rather, it allows for address multiplication. AND, gives control over these address extensions to "other parties" without having to register them,...
Forum: Troubleshooting & Designing Networks 11-29-2019, 03:15 PM
Replies: 34
Views: 8,813
Posted By Curious.George
Re: IP version 6

The two issues are not incompatible. Whether you hide behind a firewall or choose to NAT is completely independent of how "big" your address space should be. E.g., every TV, refrigerator, alarm...
Forum: General Computer & Tech Discussion 11-27-2019, 12:48 PM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

Not really "computer related"... but, a very nice external frame backpack into which I can move some of my BoB (easier to "wear" the stuff than carry it in a handled tote!).

Unfortunately, that...
Forum: General Computer & Tech Discussion 11-27-2019, 12:45 PM
Replies: 80
Views: 2,129
Posted By Curious.George
Re: The 2019 Operating System Thread

I think the point (?) of the "poll" isn't to tabulate results but, rather, to elicit comments on what and WHY.

The (mindless) masses are going to do whatever their PC tells them to do ("Upgrade...
Forum: General Computer & Tech Discussion 11-22-2019, 08:30 PM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

It's just an externality -- like so many other things.
Forum: General Computer & Tech Discussion 11-22-2019, 12:58 AM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

I see it here in business, as well -- just SLIGHTLY less so egregious.

I attribute it to folks not having "ownership" of the funds involved. I wonder how they'd react if they were told, at year...
Forum: General Computer & Tech Discussion 11-22-2019, 12:55 AM
Replies: 4,144
Views: 646,420
Posted By Curious.George
Re: best cheap/free scores 1.1

Three SpacePilots. But, obviously came from a "dirty" shop as they are caked with skin oil/dirt. <frown>

On a hunch, opted to try the electric toothbrush on them (brush head was due to be...
Showing results 1 to 25 of 500

 
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