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Measurement.Blues
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Re: Time for a new PC
Measurement.Blues   6/24/2014 2:02:38 PM
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Both seem to have generally good reviews. The Lenovo was criticized for short battery life, but I never run my current laptop on battery. I take my work Lenovo around with me and it has the large battery.

TonyTib
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Re: Time for a new PC
TonyTib   6/24/2014 1:39:24 PM
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I'd recommend checking reviews on Newegg, Amazon, etc.

My basic laptop impression is that, for most brands, consumer models tend to have problems, but the business models tend to be pretty good.  Although I am going to pass it on, I still really like my Thinkpad X61t (wonderful keyboard, good mechanical quality, still quite usable); however, I've read that the consumer Lenovos don't have the same level of quality.


Although the latest Intel integrated graphics are supposedly better, I still strongly prefer discrete graphics.  Then again, YMMV; I sometimes do 3D CAD. 

For most uses, 4G memory is enough, unless you start doing stuff like lots of VMs, huge pictures, huge datasets, etc.  I can notice the difference between 7200 & 5400 RPM HDDs, but I doubt I'd notice the difference between i5 & i7 (my work desktop has a Xeon; if I had spec'd it out, I would've chosen a SSD + normal CPU over Xeon and no SSD).

Measurement.Blues
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Re: Upgrade from XP? LOL!
Measurement.Blues   6/24/2014 12:21:00 PM
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@Monkey

Windows 3.1! I love it. I'm sure there are some systems still runing DOS on green screens.

What kind of equipment are you running on Win 3.1?

Monkey_noise
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Upgrade from XP? LOL!
Monkey_noise   6/24/2014 12:14:46 PM
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We still have some equipment on Windows 3.1!! It's not networked though.

 

Measurement.Blues
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Time for a new PC
Measurement.Blues   6/24/2014 8:19:29 AM
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Everyone,

 

I need your help deciding on a new laptop. There are two options.

HP ProBook 450 G1 or Lenovo ThinkPad Edge E431

HP
  • Includes license for Windows 8
  • 8 GB memory
  • 750GB hard drive, 5400 RPM
  • i5 processor
  • 15.6 in. screen
  • 1GB video memory
  • 2xUSB 3,0, 2xUSB 2.0

Lenovo
  • 7200 RPM hard drive
  • 14-inch screen may be small, but I'll use it a monitor all the time. It will likely never leave my desk.
  • 500 GB hard drive (size different irrelevant. All data on 1TB external drive
  • i7 processor
  • No microphone input, just a built-in mic but I'll likely never use it.
  • Video memory shared
  • 1xUSB 3,0, 2xUSB 2.0

 

The lenovo i7 processor might be faster,but will likely run hotter.

4 GB with an i7 runs well. I'm using a Lenovo with those specs right now. What does the additional 4GB in the HP buy me? But Lenovo video memory shared as where HP has 1GB.

Which brand do you think is more reliable?

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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