Differences
This shows you the differences between the selected revision and the current version of the page.
| hardware:fan 2010/12/06 22:20 | hardware:fan 2017/12/04 19:30 current | ||
|---|---|---|---|
| Line 4: | Line 4: | ||
| ===== Fan Photos - In Context: ===== | ===== Fan Photos - In Context: ===== | ||
| <box 65%|[[http://duplo.org/~conny/dns-323/|Disassembly pictures]]>{{:8.jpg?w=120&h=89|1 - cover off/best/3 wires}} {{:3.jpg?w=120&h=90|2 - exterior}} {{:hardware:7.jpg?w=120&h=90|3 - interior, in case}}{{:hardware:10.jpg?w=120&h=90|4 - interior, out of case}}</box> | <box 65%|[[http://duplo.org/~conny/dns-323/|Disassembly pictures]]>{{:8.jpg?w=120&h=89|1 - cover off/best/3 wires}} {{:3.jpg?w=120&h=90|2 - exterior}} {{:hardware:7.jpg?w=120&h=90|3 - interior, in case}}{{:hardware:10.jpg?w=120&h=90|4 - interior, out of case}}</box> | ||
| + | |||
| + | |||
| ===== Variable-Speed Fan Details: ===== | ===== Variable-Speed Fan Details: ===== | ||
| - | <box 45% left| Specification > | + | <box 45% left| Specifications > |
| ^ Model ^ [[http://www.addausa.com/fans.htm|ADDA AD0405HB-G73]] ^ | ^ Model ^ [[http://www.addausa.com/fans.htm|ADDA AD0405HB-G73]] ^ | ||
| ^ Dimensions | 40mm x 40mm x 10mm | | ^ Dimensions | 40mm x 40mm x 10mm | | ||
| Line 18: | Line 20: | ||
| Source: [[http://www.addausa.com/model_index.pdf|ADDA Model Numbering Scheme]]. | Source: [[http://www.addausa.com/model_index.pdf|ADDA Model Numbering Scheme]]. | ||
| </box> | </box> | ||
| - | <box 45% left | Guessed Specifications > | + | <box 45% left | Extrapolated Specifications<sup>*</sup> > |
| ^ Speed | 6000 rpm (revolutions per minute) | | ^ Speed | 6000 rpm (revolutions per minute) | | ||
| - | ^ Airflow | 6.7 or 6.8 cfm | | + | ^ Airflow | 6.7 cfm | |
| ^ Pressure | 0.100 in (inches) | | ^ Pressure | 0.100 in (inches) | | ||
| ^ Sound | 25dB/A | | ^ Sound | 25dB/A | | ||
| ^ Weight | 24 grams | | ^ Weight | 24 grams | | ||
| - | ^ Power | ~1.25 Watts (<sup>*</sup> see calculation below) | | + | ^ Power | 1.25 Watts | |
| + | |||
| + | Extrapolated from: \\ | ||
| + | Source: [[http://www.addausa.com/model_index.pdf|ADDA Model Numbering Scheme]]. \\ | ||
| + | Source: [[http://www.addausa.com/specifications/up-40.pdf|ADDA Fan Specification Chart]]. \\ | ||
| - | Source: Guessed values extrapolated from: [[http://www.addausa.com/specifications/up-40.pdf|ADDA Fan Specification Chart]]. Guessed, because the AD0405HB-G73 model is not listed. | + | * Model Number decoder indicates that the AD0405HB-G72 and AD0405HB-G73 are identical excluding the inclusion of the speed sensor and exclusion of the alarm. |
| - | <sup>*</sup>Power (Watts) = Current(Amperes) x Volts (So, at full-rated standard power) Power = 0.25 Amperes (Current) x 5.0 Volts == 1.25 Watts. | ||
| </box> | </box> | ||
| Line 128: | Line 133: | ||
| ===== Fan Control Scripts: ===== | ===== Fan Control Scripts: ===== | ||
| + | |||
| Line 146: | Line 152: | ||
| **The Quick and Easy** | **The Quick and Easy** | ||
| - | - Download {{:hardware:fonz__0.3_w_fan_control.rar}}. | ||
| - | |||
| - | (In script fun_plug variable PATH haven't been set correctly | ||
| - | Correct line is: | ||
| - | PATH=${PATH}:${BINDIR} | + | * Download {{:hardware:fonz_funplug_0.3_w_fan_control.rar}}. |
| - | + | ||
| - | Somehow device store system variables, so incorrectly set it can cause improper functioning | + | |
| - | even if you reset device to factory default, or even reburn firmware. | + | |
| - | In script fan_control.sh we have to add another line: | + | |
| + | (In script fun_plug variable PATH haven't been set correctly. Correct line is: | ||
| + | PATH=${PATH}:${BINDIR} | ||
| + | Somehow device store system variables, so incorrectly set it can cause improper functioning even if you reset device to factory default, or even reburn firmware. In script fan_control.sh we have to add another line: | ||
| export PATH | export PATH | ||
| + | right next after PATH declaration line. After these changes HD usage and heat generation of the device dropped dramatically. Another suggestion set temeratures T1 and T2, 97F and 105F accordingly.) | ||
| + | * Open the .rar archive (use [[http://www.rarlab.com/download.htm|WinRAR]]), drop the four files in the archive into your root folder (e.g. /Volume_1/) via ftp or just by simple drag and drop. Reboot immediately. | ||
| + | * After the power light stops blinking, wait one minute. Then telnet into your unit's local IP (default is 192.168.0.32) using a telnet/ssh client (try [[http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html|PuTTY]]) and type | ||
| + | |||
| + | |||
| + | temperature g 0 | ||
| + | to check your DNS-323's temperature readings. | ||
| + | * If the temperature shows Fahrenheit unit, you are done (you may also type | ||
| - | right next after PATH declaration line. | ||
| - | After these changes HD usage and heat generation of the device dropped dramatically. | ||
| - | Another suggestion set temeratures T1 and T2, 97F and 105F accordingly.) | ||
| - | - Open the .rar archive (use [[http://www.rarlab.com/download.htm|WinRAR]]), drop the four files | ||
| - | in the archive into your root folder (e.g. /Volume_1/) via ftp or just by simple drag and drop. | ||
| - | Reboot immediately. | ||
| - | - After the power light stops blinking, wait one minute. Then telnet into your unit's local IP | ||
| - | (default is 192.168.0.32) | ||
| - | using a telnet/ssh client (try [[http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html|PuTTY]]) | ||
| - | and type ''temperature g 0'' to check your DNS-323's temperature readings. | ||
| - | - If the temperature shows Fahrenheit unit, you are done (you may also type | ||
| rm /mnt/HD_a2/ctrl_fanspeed.C | rm /mnt/HD_a2/ctrl_fanspeed.C | ||
| + | in telnet to delete the Celsius version script). If it's below 108F, the fan should have stopped. You can type | ||
| + | |||
| + | |||
| + | fanspeed g | ||
| + | to check the fan RPM. | ||
| + | * If the temperature shows in Celsius, in the same telnet screen, type: | ||
| - | in telnet to delete the Celsius version script). If it's below 108F, the fan should have stopped. | ||
| - | You can type ''fanspeed g'' to check the fan RPM. | ||
| - | - If the temperature shows in Celsius, in the same telnet screen, type: | ||
| mv /mnt/HD_a2/ctrl_fanspeed.C /mnt/HD_a2/ctrl_fanspeed.sh | mv /mnt/HD_a2/ctrl_fanspeed.C /mnt/HD_a2/ctrl_fanspeed.sh | ||
| reboot | reboot | ||
| - | + | The last command of course reboots your unit. After which you can recheck the temperature and fan. If it's below 43C, the fan should have stopped, and you are done. __Warning:__ it's imperative that you follow through steps 3, 4, and 5 to verify temperature units, as the fan may never run if you have the wrong numbers feeding the script, possibly resulting in heat damage to hardware. If you encountered problems and must abort, just remove ctrl_fanspeed.sh from your root directory to reset factory fan | |
| - | The last command of course reboots your unit. After which you can recheck the temperature and fan. | + | |
| - | If it's below 43C, the fan should have stopped, and you are done. | + | |
| - | __Warning:__ it's imperative that you follow through steps 3, 4, and 5 to verify temperature units, | + | |
| - | as the fan may never run if you have the wrong numbers feeding the script, possibly resulting in heat damage to hardware. | + | |
| - | If you encountered problems and must abort, just remove ctrl_fanspeed.sh from your root directory to reset factory fan | + | |
| control settings. | control settings. | ||
