Questions tagged [specifications]
112 questions
131
votes
1 answer
What's the (exact) naming scheme for Dell monitors?
Dell monitors have cryptic model names/codes such as U2312f or E2318H.
The model names is made up of (at least) four elements, exemplified below:
Category
Diagonal Length
Two digits
Final letters
E
23
18
H
Here's what I know about…
einpoklum
- 10,666
61
votes
3 answers
Maximum length of a USB Cable?
I want to use a very long USB cable to place a webcam in a different room. The maximum length that I found was five meters.
What is the maximum length of a USB cable?
What is the maximum length achievable when using USB extension cables?
Click Ok
- 3,935
29
votes
3 answers
How should I interpret the specifications of a SSD?
When considering to buy a SSD, how should I interpret the different specifications of the SSD?
Here are some specific things that need to be deciphered:
Controller (this can affect performance and endurance more than all other factors combined)
Bus…
paulgreg
- 487
28
votes
8 answers
What is the easiest way to get a detailed list of the hardware in my Windows box?
I'm running a Windows 7 release candidate, but I'm pretty sure there's a way to do it that works on XP and above.
Cheesington
- 483
24
votes
3 answers
Wireless Router Signal Strength Stats
When shopping around for wireless routers, they all seem to have the claim of "great" or "excellent" signal strength. Of course, such marketing words do absolutely nothing to let me compare the signal strengths of various routers.
So, what are the…
yydl
- 353
24
votes
2 answers
What is the difference between DESKTOP_SESSION, XDG_SESSION_DESKTOP, and XDG_CURRENT_DESKTOP?
I want to detect which desktop manager I am running, and I found out that there are three environment variables, DESKTOP_SESSION , XDG_SESSION_DESKTOP , and XDG_CURRENT_DESKTOP which could help me do so. But what exactly is the difference between…
Sora Minazuki
- 399
15
votes
2 answers
Why can I ping 127.1?
I know IPv6 allows consecutive zeros to be omitted. But how about IPv4? I haven't found any reference to this on the Internet, including Wikipedia and RFC 791 – Internet Protocol. This document suggests that "Leading zeros can be omitted" in an…
15
votes
2 answers
How to shop for a laptop by specifications?
This is not a shopping-recommendation question.
I'm looking for a developer laptop, and my main criteria are hard-disk speed, RAM, weight screen size.
How could one search for a laptop based on these criteria? Is there any efficient way to search…
Eric Wilson
- 8,068
14
votes
3 answers
Why is tracert showing a private IP address right after my router, even though it has a public IP?
Here is a log of tracert superuser.com from my computer:
Tracing route to superuser.com [198.252.206.16]
over a maximum of 30 hops:
1 2 ms 2 ms 2 ms 192.168.1.1
2 11 ms 17 ms 9 ms 10.216.128.1
3 12 ms 17 ms …
kinokijuf
- 8,364
14
votes
2 answers
How do I interpret the specification of memory (RAM)?
When looking at memory there are a few specifications that I don't understand and was hoping to have clarification on. What do these terms mean, and how do they affect the systems performance? Feel free to give technical data and answers to these,…
James Mertz
- 26,529
14
votes
4 answers
Laptop Battery Technology
My laptop battery has finally taken the plunge and I'm looking online for a new one. However I'm getting lost in all of the specs of the batteries that are out there. I'm looking to gain a better understanding of what effect each spec has on the…
James Mertz
- 26,529
10
votes
3 answers
Buying a laptop, specs are confusing me
So, the FSB and cache specs are what confuse me.
Intel® Pentium™ Dual Core T4300 (2.1GHz/800Mhz FSB/1MB cache)
as opposed to paying $200 more for:
Intel® Core™ 2 Duo P8700 (2.53GHz/1066Mhz FSB/3MB cache)
Would that be worth it? I'm a .Net…
Matt Dawdy
- 289
9
votes
2 answers
Is it possible to have a USB 3.2 device with super speed lines only?
EDIT:
After looking at the connector with a endoscope's camera it turns out I've missed some pins. They are far less visible than other 8. The D+/D- and CC are there. This makes the example unsuitable. It still leaves the question of what spec…
lynx
- 109
8
votes
2 answers
What's the maximum safe temperature for a HD Radeon 6870?
I'm running a passively cooled HD Radeon 6870 in my PC. While using 3D Acceleration, the temperature climbs up to 95 degrees Celsius according to SpeedFan. It seems a bit hot, but on the other hand I've seen other GPUs being specified to run up to…
Adrian Grigore
- 1,873
8
votes
3 answers
Program or utility to identify which version of SATA is present on my motherboard (SATA I, II, or III)?
Is there a program or utility available (preferably free) that can identify which versions of SATA are supported by my motherboard? The application needs to either be compatible with Windows 7 (x32 and x64) or launch independently from a boot disc.
James Watt
- 1,823