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Quick Specs of the 5102 as reviewed:
- AMD Turion64 x2 TL-50 (1.6 GHz, 512 KB L2 cache total, 256 KB on each core)
- 1 GB 533 MHz DDR2 RAM (2 x 512 MB)
- 120 GH Hitachi 4200 RPM HD
- 15.4-inch WXGA Acer CrystalBrite screen
- ATI Radeon xPress 1100 integrated graphics card
- Dual layer DVD +/- RW combo with lightscribe? (comes with lightscribe software, but drive doesn't specify if it has lightscribe or not)
- Windows Media Center Edition 2005
- Atheros Wireless 802.11 a/b/g with Signalup high efficiency antennae
- 8-cell battery with a max of 4.5 hrs battery life with settings on low
Design and Build:

The Aspire 5102 features the common folio design found on all Aspire models. It is housed in silver painted plastic with black trim on the sides. The screen has almost no flex, which is an improvement over some previous models, and the hinges are tight enough that you need two hands to open it, one to hold the notebook down and the other to lift. It is fairly lightweight, at around 6 pounds depending on configuration. At the time that I bought the notebook, only two configurations were available: 1 GB or 2 GB of memory and Bluetooth or no Bluetooth.
Screen:
 Screen view of Acer Aspire 5102WLMi
The screen is one of the best I've seen on a notebook. It is bright and evenly illuminated. After just 4 days with the notebook, I noticed 2 dead pixels, which isn't enough for a replacement. They are off in the corner and are not bothersome, but even one dead pixel is cause for concern as to the overall long-term quality of the notebook. The screen has a 16 ms response time, although I haven't noticed a difference compared with 20 ms flat panel monitor performance. Talking about flat panels, the Acer doesn't formulate characters (i.e. letters) as well as desktop monitors. While some people complain about the glossiness of most laptops these days, I have found the screen on my Acer to be comfortable for long viewing durations.
Speakers:
The speakers are on the front of the notebook and supposedly have high def. support. Whether that is true or not, I can't determine, as the speaker sounds distant with almost no bass. They are adequate however for everyday tasks.
Processor and Performance:
While this computer does have a dual core processor, it is nowhere as fast as an Intel Core Duo T2300, or even the stripped Intel T2050. After startup, the processor needs time to warm up before it becomes responsive. The included Acer empowering technology utilities allows the user to control overall processor performance, from medium to max. To save battery and lower the amount of heat generated, I consistently use medium CPU speed.
Using PCMark05, it returned a score of just over 2400, which is on par with Intel Core Duo notebooks.
Benchmarks:
Super Pi calculation to 32 million digits was finished in 2 min 22 sec for 1/24 iterations. To 2 million digits, it finished in 2 min 11 sec for all 20 iterations. This is about 40 sec longer than most Intel Duo T2300 processors, and this was accomplished with the
Heat and Noise:
Under AC power, the computer quickly gets warm, especially under the palm rests where the hard drive is located. Most of the time, the fan is off, and like with the Aspire 5672, you can hear the hard drive. This is especially so since this is a 4200 rpm hard drive, and it has to strain itself. I wish it was at least 5400 RPM, but you get what you pay for. To avoid uncomfortable heat, I always use medium CPU speed. When playing graphics intensive games, the fan is constantly on and the palm rests do get hot but not uncomfortable. Just don't do too much gaming if you don't want to hear the fan.
Keyboard and Touchpad:
The keyboard has a spongy feel to it, and towards the center, it flexes. However, it is ultimately comfortable enough. The piano black multimedia keys that were originally listed as a specification is non-existent, and a call to Acer support confirms that they do not intend to include it. Seems like the keys were a misunderstanding / miscommunication. This is one of the few gripes that I have: I wanted those keys! The touchpad is responsive and includes a four-way scroll button between the two buttons.
Input and Output ports:
The 5102 has three USB 2.0 ports, LAN, and a VGA out port. It also includes a 5 in 1 card reader and a PC card slot. The typical headphone, microphone and line-in jacks are found on the front of the notebook.
 Acer Aspire 5102 front view of ports
 Acer Aspire 5102 left view of ports
 Acer Aspire 5102 right view

Wireless:
The Atheros 802.11 a/b/g wireless card provides strong performance. On initial boot, it detected over 10 of my neighbors wireless networks (most had security enabled).
Battery:
The official Acer specification lists the 8-cell battery as achieving 2 hours of battery life. However, I have discovered that by setting my CPU speed to medium and screen brightness to 20%, I can get over 4 hours of life. Medium speed is more than enough for everyday tasks like email, internet, music, and word processing. Photo and video editing would require high or max speed, and battery performance degrades rapidly. A nice feature is that the battery can be charged to 80% full in a little under 1 hour.
Operating System and Software:
Over the past few years, Acer has earned a reputation with their Acer Arcade software. This was noticeably lacking on the 5102. Instead, it came with PowerDVD and is quite a disappointment since it can't pre-boot. The 5102 comes with Windows XP Media Center Edition 2005 with roll-up 2. It is not as good as XP Professional and I have been experiencing standby/hibernation issues that I have never experienced with Pro. Acer doesn't include a lot of junk programs, and I haven't had to reformat or do a clean install. However, the systems folder indicates a lot of uninstalled software that I guess Acer wants the user to discover on their own. One interesting thing that I discovered is that lightscribe software is included, but the DVD burner doesn't mention support for lightscribe. It is important to note that the 120 GB HD comes in 2 60 GB FAT32 partitions. I just converted to NTFS and left the partitions alone
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