Looks good but I really need my Serial interface sorry. Nice price though. Lets 
see how reliable it is!

Regards
Michael Knill




On 28/02/2014, at 2:43 PM, Lonnie Abelbeck <[email protected]> wrote:

> Hi,
> 
> We have added a new addition to our "Generic x86 Boards and Appliances" 
> hardware list...
> 
> OEM Production 2550L2D-MxPC (MINIX) Atom D2550
> http://doc.astlinux.org/userdoc:board_oem_2550l2d-mxpc
> 
> Also known as: MINIX Mini HD PC Intel Atom D2550 Barebone
> 
> The key features of this system (referred to as "MINIX" herein) are the 
> *price*, Broadcom NIC's and 13 Watts when idle .
> 
> Executive summary:
> 
> -  Intel Atom D2550 (1.86 GHz, 2Cores, 4 Threads)
> -  2x Broadcom 57788 PCIe NIC's
> -  SATA 3.0 Gb/s
> -  Metal case with power button
> -  Power Adapter
> -  Price: $130 USD
> 
> OEM Production 2550L2D-MxPC Intel NM10 2 x 204Pin Intel GMA 3650 Black Mini / 
> Booksize Barebone System - OEM
> http://www.newegg.com/Product/Product.aspx?Item=N82E16856205007
> 
> Add a stick of RAM and SATA flash storage, you have a powerful AstLinux 
> system.  BTW: AstLinux 1.1.2 or later is required which supports the latest 
> "tg3" Broadcom NIC driver from source.
> 
> Details:
> 
> In my testing lab, for well over a year I have used a Jetway NF99FL-525 / 
> M350 case / 2 GB SATA Flash Module, to test full AstLinux builds containing 
> Asterisk 11.  I decided to replace this box with the MINIX for comparison.  
> Fortunately both the RAM and SATA Flash Module worked equally well in the 
> MINIX (remembering to remove 70-persistent-net.rules and enabling "tg3" in 
> rc.modules before the switch).  On first boot I had the exact same system 
> running on the MINIX !
> 
> I have eth0 on the external interface, and three internal interfaces, eth1 
> (untagged), eth1.10 and eth1.50 .  Performing iperf tests (Mac -> eth1 -> 
> eth0 -> Mac) were at Gb line speed, (920 Mbps) at 78% idle (via top), 
> essentially the same as the Jetway NF99FL-525 Intel 82574L NIC's, and 
> somewhat interesting the Broadcom NIC's slightly outperformed the Intel NIC's 
> when handling tagged (VLAN) frames.
> 
> Another difference, the Jetway NF99FL-525 total idle power was 21 Watts, the 
> MINIX is only 13 Watts.
> 
> The MINIX steel case is of lighter weight than the M350 case, but solidly 
> riveted and easy to remove top, plenty sturdy.  The board looks 
> professionally designed and manufactured.
> 
> Quite surprising, comparing the Intel Atom D525 vs. D2550 in a PHP benchmark 
> script, the D2550 is 6% faster...
> ++
> == D525 (Jetway NF99FL-525) ==
> Start : 2014-02-24 08:36:03
> Server : @
> PHP version : 5.3.28
> Platform : Linux
> --------------------------------------
> test_math                 : 8.887 sec.
> test_stringmanipulation   : 9.351 sec.
> test_loops                : 6.641 sec.
> test_ifelse               : 4.398 sec.
> --------------------------------------
> Total time:               : 29.277 sec.
> 
> == D2550 (MINIX) ==
> --------------------------------------
> test_math                 : 8.193 sec.
> test_stringmanipulation   : 8.624 sec.
> test_loops                : 6.406 sec.
> test_ifelse               : 4.266 sec.
> --------------------------------------
> Total time:               : 27.489 sec.
> ++
> 
> The MINIX comes with a small CPU fan, typical 5000 RPM annoying small fan.  
> It appears for typical AstLinux applications (no video, flash storage) in a 
> climate conditioned location the fan is not necessary, you decide.  The MINIX 
> contains a Winbond W83627DHG-P chip for hardware monitoring (not the Fintek 
> F71808 as the docs suggests), and "coretemp" provides accurate results.  My 
> system (at idle) with the fan removed shows the following:
> ----------------
> coretemp-isa-0000
> Adapter: ISA adapter
> Core 0:       +59.0 C  (crit = +100.0 C)
> coretemp-isa-0002
> Adapter: ISA adapter
> Core 1:       +61.0 C  (crit = +100.0 C)
> w83627dhg-isa-0a00
> Adapter: ISA adapter
> CPUVCORE:     +1.23 V  (min =  +0.20 V, max =  +2.04 V)
> 12V:         +12.14 V  (min = +10.82 V, max = +13.20 V)
> 3VCC:         +3.33 V  (min =  +2.98 V, max =  +3.63 V)
> 5V:           +5.09 V  (min =  +4.51 V, max =  +5.50 V)
> 1.5V:         +1.58 V  (min =  +1.35 V, max =  +1.65 V)
> Vbat:         +3.50 V  (min =  +2.98 V, max =  +3.63 V)
> SYS Temp:     +43.0 C  (high = +90.0 C, hyst = +85.0 C)  sensor = thermistor
> ----------------
> 
> The MINIX works as expected in every way except for a small detail, for fun I 
> attached a cable to use the serial port header on the board to access the 
> console... started getty on /dev/ttyS0 and properly get my terminal 
> characters echo'ed back but no other output.  It seems the MINIX is not 
> handling the "Data Set Ready" pin input (which is set).  Either something is 
> electrically wrong or the BIOS is not setting the UART properly.  Of course 
> the video console works fine using either the VGA or HDMI port on the back 
> panel.  I suspect all users will use the "geni585" (video console) image for 
> the MINIX.
> 
> The MINIX BIOS is from AMI, but not as complete (fewer options) as the Jetway 
> BIOS is.
> 
> In my testing environment I find it very useful to define ALERT_SOUNDS, so I 
> added a small piezo speaker to the speaker header, works perfectly.  The 
> board does not include a piezo speaker.
> 
> Summary:
> 
> The MINIX is not a "fits all" AstLinux hardware solution, but leveraging on 
> it's high-volume, generic PC design, the performance per cost value is 
> excellent.  The build quality seems quite good, time will tell. The missing 
> CF card slot or third/fourth NIC can be overcome with SATA adapters and 
> VLAN's if desired.  Overall an AstLinux hardware solution that should be 
> considered, particularly for price sensitive applications.
> 
> Unlike the general mini-ITX from scratch solutions, the MINIX is ready to go 
> except for RAM and flash storage.  Adding a 2.5" SSD is the simplest as that 
> is the default configuration.
> 
> Keep in mind I have tested this box for less than a week.
> 
> Lonnie
> 
> 
> ------------------------------------------------------------------------------
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------------------------------------------------------------------------------
Flow-based real-time traffic analytics software. Cisco certified tool.
Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
Customize your own dashboards, set traffic alerts and generate reports.
Network behavioral analysis & security monitoring. All-in-one tool.
http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
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