Unresolved Hardware Questions

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{{note|This page is soon to be removed. A wiki is not a mailinglist}}
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Unresolved hardware questions on the Neo1973, and other platforms.
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*Questions that can probably only be answered by FIC staff
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**
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*Questions that only require access to hardware.
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*Power consumption in various modes - by someone with P1 hardware.
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**Find a multimeter with a current range of at least 500mA.
 +
**Charge your neo fully.
 +
**Get a USB-USB extension lead - or a lead that fits the neo, one you have spare.
 +
**Carefully remove the outer plastic covering over a short - 5cm section in the middle of the cable.
 +
**Part any silver shielding under the wire to reveal the four insulated wires.
 +
**Cut the red wire. (not the blue wire, or it explodes! :) )
 +
**Strip the ends of the wires, and connect the multimeter set on 500mA to them.
 +
**Check you have not damaged any other wires, and check that the ends of the red wires or the probes cannot short against the exposed shielding.
 +
**Plug neo into this cable (either directly, or if it's used as a charging cable
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**Observe current reading on multimeter. 1ma=5mW (approx).
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*Figures that would be of use, in order of importance.
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Following figures below measured from PC's root hub
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**Idle with backlight on at main screen.
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***'''260 mA (310mA)'''
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**Idle with backlight off at main screen.
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***'''180 mA (230mA)'''
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**Idle with backlight on, and GSM off.
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**CPU maxed out - md5sum /dev/zero, backlight on
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***'''Goes down from 310mA to 250mA ???'''
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**Playing MP3 with backlight on and volume off.
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**Playing MP3 with speakers on high, loudly.
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***'''300ma''' with Backlight off '''350ma''' with backlight on
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**Active on a call with backlight on.
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**Idle running only gllin with backlight on.
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*** unable without gllin binary.
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**Off
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**Suspended with GSM on
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***'''115mA'''
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**Suspended with GSM off
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**'''Charging with flat battery, on and off'''
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*** (h/w revision 0x0240 (P1 bv4))
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***On:  496mA
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***Off: 50mA
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***'''The u-boot options controlling auto-fast charging have no effect whatsoever. Neo will only charge with 50mA when turned off (FIXME: add u-boot version)'''
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*The aim is to get the following numbers. CPU Idle and max. Backlight power. Audio power max. GSM modem max, normal and off.
  
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= Unresolved Hardware Questions =
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*Pictures of inside of front of case.
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[[Category:Neo1973 Hardware]]
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Add your question here. Respond either by deleting the question, and updating the appropriate page, or adding the answer after the question, so the questioner can do it.
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== Questions for nice people with hardware, or designers ==
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=== What is the current drawn in each state? ===
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* 'off'
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* LCD off, processor idle.
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* LCD on, processor idle.
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* LCD off, processor fully active.
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* Bluetooth on.
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* GSM module in normal 'idle' state, connected to a cell.
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* GPS on (including agpsd)
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Some of these may of course change due to improving power managment, or newer hardware.
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Thanks.
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=== More Pictures ===
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* Pictures of the assembled phone from all angles, showing every part, for both users, and people who want to consider assembling hardware.
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* Pictures of the covers from all angles - inside and out, again for those considering hardware.
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Thanks.
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Latest revision as of 10:31, 11 October 2007

Unresolved hardware questions on the Neo1973, and other platforms.

  • Questions that can probably only be answered by FIC staff
  • Questions that only require access to hardware.
  • Power consumption in various modes - by someone with P1 hardware.
    • Find a multimeter with a current range of at least 500mA.
    • Charge your neo fully.
    • Get a USB-USB extension lead - or a lead that fits the neo, one you have spare.
    • Carefully remove the outer plastic covering over a short - 5cm section in the middle of the cable.
    • Part any silver shielding under the wire to reveal the four insulated wires.
    • Cut the red wire. (not the blue wire, or it explodes! :) )
    • Strip the ends of the wires, and connect the multimeter set on 500mA to them.
    • Check you have not damaged any other wires, and check that the ends of the red wires or the probes cannot short against the exposed shielding.
    • Plug neo into this cable (either directly, or if it's used as a charging cable
    • Observe current reading on multimeter. 1ma=5mW (approx).
  • Figures that would be of use, in order of importance.

Following figures below measured from PC's root hub

    • Idle with backlight on at main screen.
      • 260 mA (310mA)
    • Idle with backlight off at main screen.
      • 180 mA (230mA)
    • Idle with backlight on, and GSM off.
    • CPU maxed out - md5sum /dev/zero, backlight on
      • Goes down from 310mA to 250mA ???
    • Playing MP3 with backlight on and volume off.
    • Playing MP3 with speakers on high, loudly.
      • 300ma with Backlight off 350ma with backlight on
    • Active on a call with backlight on.
    • Idle running only gllin with backlight on.
      • unable without gllin binary.
    • Off
    • Suspended with GSM on
      • 115mA
    • Suspended with GSM off
    • Charging with flat battery, on and off
      • (h/w revision 0x0240 (P1 bv4))
      • On: 496mA
      • Off: 50mA
      • The u-boot options controlling auto-fast charging have no effect whatsoever. Neo will only charge with 50mA when turned off (FIXME: add u-boot version)
  • The aim is to get the following numbers. CPU Idle and max. Backlight power. Audio power max. GSM modem max, normal and off.
  • Pictures of inside of front of case.
Retrieved from "http://openmoko.org/index.php?title=Unresolved_Hardware_Questions&oldid=20008"
Personal tools
NOTE: This page is soon to be removed. A wiki is not a mailinglist


Unresolved Hardware Questions

Add your question here. Respond either by deleting the question, and updating the appropriate page, or adding the answer after the question, so the questioner can do it.

Questions for nice people with hardware, or designers

What is the current drawn in each state?

  • 'off'
  • LCD off, processor idle.
  • LCD on, processor idle.
  • LCD off, processor fully active.
  • Bluetooth on.
  • GSM module in normal 'idle' state, connected to a cell.
  • GPS on (including agpsd)

Some of these may of course change due to improving power managment, or newer hardware. Thanks.

More Pictures

  • Pictures of the assembled phone from all angles, showing every part, for both users, and people who want to consider assembling hardware.
  • Pictures of the covers from all angles - inside and out, again for those considering hardware.

Thanks.