Hardware specification/lang-de: Difference between revisions

From OLPC
Jump to navigation Jump to search
(added header templates)
m (Translate caption)
 
(7 intermediate revisions by 5 users not shown)
Line 1: Line 1:
{{OLPC}}
{{OLPC}}
{{Translation | lang = de | source = Hardware specification | version = 32398}}
{{Translation | lang = de | source = Hardware specification | version = 32398}}
{{Ongoing Translation}}


<div style="padding: 10px; border: 1px solid #ccccee;">
= Hardware =
<div style="width: 70px; text-align: center; background: #FFFFFF; margin: -25px 0 0 0;">
Hinweis!
</div>
Diese Seite stellt keine offizielle Seite von "One Laptop per Child" dar. Die Übersetzung erfolgte von der englischen Originalseite und ist durch Zusammenarbeit vieler Wiki-User entstanden.
</div>


{{__TOCright__}}
Der XO-Laptop bildet den Mittelpunkt von One Laptop Per Child. Nach zwei Jahren Entwicklung, gepaart mit tausenden von Beta-Tests, Schweissblut von vielen Entwicklern und jede Menge Tests in Schulen in ausgesuchten Ländern. Das Design des Laptops wurde so konstruiert, um die technologischen Vorteile der Neuzeit einfliessen lassen zu können.

{{anchor|Laptop Hardware}}
= Hardware =


Der XO-Laptop bildet den Mittelpunkt von One Laptop Per Child.
Nach zwei Jahren der Entwicklung, tausenden an Entwickler verteilten und in Schulen teilnehmender Länder erprobten Beta (B2) Geräten nähert sich der Laptop der Serienreife.
Einige geringfügige Änderungen wurden erst kürzlich durchgeführt, um den Rechner auf dem aktuellsten technischen Stand zu halten.


{{Anchor|Specifications}}
== Spezifikationen ==
== Spezifikationen ==


* Grafikkontroller: Integriert im Geode-Prozessor; unified memory architecture
* Grafikkarte: Integriert im Geode Prozessor; unified memory architecture
[[Image:drawing75c1.jpg|thumb|right]]
[[Image:drawing75c1.jpg|thumb|right]]


''Abmessungen:''
''physikalische Dimensionierung:''
* Abmessungen: 242mm × 228mm × 30mm (ungefähre Angaben)
* Größe: 242mm × 228mm × 30mm (ungefähre Angaben, geplant)
* Gewicht: geringer als 1,5 kg
* Gewicht: geringer als 1,5 kg (geplant)
* Konfiguration: Einstellbares Notebook mit verdrehbarem Display; Schmutz- und Nässebestädigkeit integriert.
* Gestaltung: Notebook mit verdrehbarem Display; schmutz- und nässebestädiges Gehäuse


''Elektronische Kerndaten:''
''Elektronik:''
* CPU: [http://www.amd.com/us-en/assets/content_type/DownloadableAssets/33358e_lx_900_productb.pdf AMD Geode LX-700@0.8W]
* CPU: [http://www.amd.com/us-en/assets/content_type/DownloadableAssets/33358e_lx_900_productb.pdf AMD Geode LX-700@0.8W] ([http://wiki.laptop.org/go/image:lx_databook.pdf datasheet])
* CPU Geschwindigkeit: 433 Mhz
* CPU Geschwindigkeit: 433 Mhz
* Kompatibilität: Athlon instruction set (integrierte MMX- und 3DNow! Enhanced- Technologie) mit zusätzlichen Geode-spezifischen Eigenschaften
* Kompatibilität: Athlon instruction set (integrierte MMX- und 3DNow! Enhanced- Technologie) mit zusätzlichen Geode-spezifischen Eigenschaften
* North Bridge: PCI- und Speicherinterface integriert im Prozessor
* North Bridge: PCI- und Speicherinterface integriert im Prozessor
* Grafikkontroller: Integriert im Prozessor
* Grafikkontroller: Integriert im Prozessor


* South Bridge: [http://www.amd.com/us-en/ConnectivitySolutions/ProductInformation/0,,50_2330_9863_9864%5E13054,00.html AMD CS5536] ([http://www.amd.com/files/connectivitysolutions/geode/geode_lx/33238f_cs5536_ds.zip datasheet])
* South Bridge: [http://www.amd.com/us-en/ConnectivitySolutions/ProductInformation/0,,50_2330_9863_9864%5E13054,00.html AMD CS5536] ([http://www.amd.com/files/connectivitysolutions/geode/geode_lx/33238f_cs5536_ds.zip datasheet])
* DRAM memory: 256 MiB dynamic RAM
* DRAM memory: 256 MB dynamic RAM
** Data rate: Dual – DDR333 – 166 Mhz
** Datenübertragungsrate: Dual – DDR333 – 166 Mhz
* BIOS: 1024 KB SPI-interface flash ROM; LinuxBIOS open-source BIOS; Open Firmware bootloader
* BIOS: 1024 KB SPI-interface flash ROM; LinuxBIOS open-source BIOS; Open Firmware bootloader
* Mass storage: 1024 MiB SLC NAND flash, high speed flash controller
* Massenspeicher: 1024 MB SLC NAND flash, high speed flash controller
* Laufwerke: keine optischen Laufwerke
* Drives: No rotating media
* Embedded Controller: ENE KB3700: [[Image:KB3700-ds-01.pdf]]
* Embedded Controller: ENE KB3700: [[Image:KB3700-ds-01.pdf]]


[[Image:Proto-a-front.jpg|thumb|Prototype-A Motherboard]]
[[Image:Proto-a-front.jpg|thumb|Prototype-A Motherboard]]
''Display:''
''Bildschirm:''
* Liquid-crystal display: 7.5” Dual-mode TFT display
* LCD: 7.5” Dual-mode TFT display
* Viewing area: 152.4 mm × 114.3 mm
* sichtbares Bild: 152.4 mm × 114.3 mm
* Resolution: 1200 (H) × 900 (V) resolution (200 dpi)
* Bildgröße: 1200 (H) × 900 (V) Auflösung (200 dpi)
* Mono display: High-resolution, reflective monochrome mode
* Mono display: High-resolution, reflective monochrome mode
* Color display: 800 (H) x 600 (V) or greater transmissive color mode
* Color display: 800 (H) x 600 (V) oder höher Transmissive Color Mode
* Power Consumption: 0.1 Watt with backlight off; 0.2-1.0 Watt with backlight on
* Stromverbrauch: 0.1 Watt bei ausgeschalteter Hintergrundbeleutung; 0.2-1.0 Watt mit Hintergrundbeleuchtung
* Der [[:Image:DCON_Specification%2C_V0.8.odt|DCON - Display Controller chip]] mit Speicher, der es erlaubt bei schlafendem Prozessor eingeschaltet zu bleiben.
* The [[:Image:DCON_Specification%2C_V0.8.odt|DCON - Display Controller chip]] with memory that enables the display to remain live with the processor suspended. The display and this chip are the basis of our extremely low power architecture. The machine is usable and relaying mesh networking traffic while the CPU and much of the motherboard is regularly turned off. The display controller chip also enables deswizzling and anti-aliasing in color mode. You can examine this photograph of the display (it looks even nicer in person; photographing a display is remarkably difficult).
Der Bildschirm und dieser Chip sind die Grundlage unserer extrem wenig Strom verbrauchenden Architektur.
: ''Note: web browser images are currently scaled up so that an image of very roughly [800x600] fills up the browser window.''
Der Computer ist verwendbar und mit dem Netzwerk verbunden, während der Prozessor und die größten Teile des Motherboards ausgeschaltet sind.
Siehe dazu das Foto des Displays (es sieht tatsächlich besser aus; Displays zu photographieren ist erstaunlich schwierig)
: ''Bemerkung: Die Webbrowser-Fotos werden momentan vergrößert um ungefähr der Dimension des Browserfenster zu entsprechen [800x600].''
[[Image:EToys - new display.jpg|thumb|right| [[Etoys]] auf dem Prototypen des OLPC-Bildschirms]]


''Integrierte Peripheriegeräte:''
[[Image:EToys - new display.jpg|thumb|right|eToys ([[Squeak]])running on the OLPC display]]
* Tastatur: über 70 Tasten, 1.2mm Anschlag; gedichtet Gummimembran-Tasteneinheit
''Integrated peripherals:''
* Keyboard: 70+ keys, 1.2mm stroke; sealed rubber-membrane key-switch assembly
** [[OLPC_Keyboard_layouts|Keyboard Layouts]]
** [[OLPC_Keyboard_layouts|Keyboard Layouts]]
** Layout pictures (for B3)- [[:Image:Keyboard_english.jpg|US International]], [[:Image:Keyboard thai.jpg|Thai]], [[:Image:Keyboard arabic.jpg|Arabic]], [[:Image:Keyboard spanish.jpg|Spanish]], [[:Image:Keyboard portuguese.jpg|Portuguese]], [[:Image:Keyboard west africa.jpg|Nigeria]], [[:Image:Keyboard urdu.jpg|Urdu]], [[:Image:Keyboard azerty.jpg|French]]
** Layout Abbildungen (für B3): [[:Image:Keyboard_english.jpg|US International]], [[:Image:Keyboard thai.jpg|Thai]], [[:Image:Keyboard arabic.jpg|Arabic]], [[:Image:Keyboard spanish.jpg|Spanish]], [[:Image:Keyboard portuguese.jpg|Portuguese]], [[:Image:Keyboard west africa.jpg|Nigeria]], [[:Image:Keyboard urdu.jpg|Urdu]], [[:Image:Keyboard azerty.jpg|French]]
* Cursorkontrolltasten: Fünf-Tasten Cursor-Control Pad (vier Richtungstasten und ''Enter'')
* Cursor-control keys: five-key cursor-control pad; four directional keys plus Enter
* Touchpad: [[Touch Pad/Tablet|ALPS Electric dual kapazitiv/resistiv Touchpad]]; unterstützt Schrifteingabe
* Touchpad: Dual capacitance/resistive touchpad; supports written-input mode
* Audio: [http://www.analog.com/en/prod/0%2C2877%2CAD1888%2C00.html Analog Devices AD1888], AC97-compatible audio codec; stereo, with dual internal speakers; monophonic, with internal microphone and using the [http://www.analog.com/ Analog Devices SSM2302] for audio amplification
* Audio: [http://www.analog.com/en/prod/0%2C2877%2CAD1888%2C00.html Analog Devices AD1888], AC97-kompatibler Audiocodec; stereo mit integrierten dual Lautsprechern; mono mit integriertem Mikrofon das [http://www.analog.com/ Analog Devices SSM2302] zur Verstärkung benutzt
[[Image:AP1 15.jpg|thumb|100px|Keyboard detail]]
[[Image:AP1 15.jpg|thumb|100px|Keyboard detail]]
* [[Wireless]]: Marvell [[Libertas]] 88W8388+88W8015, 802.11b/g compatible; dual adjustable, rotating coaxial antennas; supports diversity reception
* [[Wireless]]: Marvell [[Libertas]] 88W8388+88W8015, 802.11b/g kompatibel; doppelt einstellbar, drehbare, koaxiale Antennen; unterstützt Diversity Reception
* Statusanzeigen: Stromversorgung, Batterie, WiFi; geschlossen und geöffnet sichtbar
* Status indicators: Power, battery, WiFi; visible lid open or closed
* Video camera: 640x480 resolution, 30FPS
* Videokamera: 640x480 Auflösung, 30FPS
* Unabhängig von der Softwareanzeige des Mikrofon- oder Kameraaufzeichnungsstatus
* Independent and undefeatable by software display of microphone and camera recording status


''External connectors:''
''Externe Anschlüsse:''
* Stromversorgung: zweipoliger Gleichstromeingang (10 bis 20 V). Stromeingang zwischen -40 to 39 V abgesichert, darüber Schutz durch Einwegsicherung.
* Power: 2-pin DC-input, 10 to 20 V usable input. Input can safely handle -40 to 39 V. input. Exceeding this range will likely blow a one-time fuse.
* Line output: Standard 3.5mm 3-pin switched stereo audio jack
* Ausgang: standard 3.5mm dreipoliger stereo Klinkenstecker
* Microphone: Standard 3.5mm 2-pin switched mono microphone jack; selectable input mode:
* Mikrofon: standard 3.5mm zweipoliger mono Klinkenstecker; verfügbare Aufnahmearten:
** Sensor, DC w. 2.5 V (3K ohm impledance) bias voltage for switches, resistive sensors, etc.
** Sensor, Gleichstrom mit 2.5 V (3K Ohm impledance) Vorspannung
** Sensor, DC w. no bias voltage for measuring voltages (0 - 3 V)
** Sensor, Gleichstrom ohne Vorspannung (0 -- 3 V)
** externes Mikrofon, Wechselstrom mit Vorspannung
** External Microphone, AC w. bias voltage
* Expansion: 3 Type-A USB-2.0 connectors; MMC/SD Card slot
* Erweiterung: 3 Type-A USB-2.0 Buchsen; MMC/SD Card slot
* Maximum power: 1 A (total)
** Maximale Stromstärke: 1 A (insgesamt)
[[Image:Rotate-1.jpg|thumb|Connectors]]
[[Image:Rotate-1.jpg|thumb|Connectors]]


''Battery:''
''Batterie:''
* vollständig gekapseltes hartes Gehäuse, abnehmbar
* Fully-enclosed “hard” case; user removable
* Pack type: 4 Cells, 6V series configuration
* Pack: 4 Zellen, 6V
* Chemische Typen:
* Two chemistries:
**NIMH, with a capacity of 16.5 Watt-hours
**NiMH, Kapazität 16.5 Wh
**LiFeP, with a capacity of 22 Watt-hours
**LiFeP, 22 Wh
* Im Akkupack integrierte Elektronik ermöglicht:
* Electronics integrated with pack provide:
** Identifikation
** Identification
** Lade- und Kapazitätsanzeige
** Battery charge and capacity information
** Temperatur- und Überstromsensoren mit Sicherheitsabschaltung
** Thermal and over-current sensors along with cutoff switch to protect battery
* Lebensdauer: mindestens 2,000 Ladezyklen
* Cycle life: Minimum 2,000 charge/discharge cycles (to 50% capacity of new, IIRC).
* [[Power Management]] will be critical
* [[Power Management]]
[[Image:Bottomdrawing.jpg|thumb|Battery]]
[[Image:Bottomdrawing.jpg|thumb|Battery]]


''BIOS/loader:''
''BIOS/loader:''
* [[Open Firmware]] wird, inklusive Hardwareinitialisierung und Schnellstart, als Firmware eingestezt.
* [http://www.linuxbios.org/index.php/Main_Page LinuxBIOS] is our BIOS for production units; Open Firmware is used as the bootloader.


''Betriebsumgebung:''
''Environmental specifications:''
* Temperatur: über die üblichen Laptopvoraussetzungen hinausgehend; genau Werte wurden nicht festgestezt
* Temperature: somewhere in between typical laptop requirements and Mil spec; exact values have not been settled
* Feuchtigkeit: siehe Temperatur. Im geschlossenen Zustand sollte ausreichende Resisdenz gegenüber Regen und Staub gewährleistet sein.
* Humidity: Similar attitude to temperature. When closed, the unit should seal well enough that children walking to and from school need not fear rainstorms or dust.
* Altitude: -15m to 3048m (14.7 to 10.1 psia) (operating), -15m to 12192m (14.7 to 4.4 psia) (non-operating
* Meereshöhe: -15m bis 3048m (14.7 bis 10.1 psia) (im Betrieb), -15m bis 12192m (14.7 bis 4.4 psia) (ausgeschaltet)
* Shock: 125g, 2ms, half-sine (operating) 200g, 2ms, half-sine (non-operating)
* Schlagschutz: 125g, 2ms, Halbsinus (im Betrieb) 200g, 2ms, Halbsinus (ausgeschaltet)
* Random vibration: 0.75g zero-to-peak, 10Hz to 500Hz, 0.25 oct/min sweep rate (operating); 1.5g zero-to-peak, 10Hz to 500Hz, 0.5 oct/min sweep rate (nonoperating)
* Erschütterung: 0.75g zero-to-peak, 10Hz to 500Hz, 0.25 oct/min sweep rate (im Betrieb); 1.5g zero-to-peak, 10Hz to 500Hz, 0.5 oct/min sweep rate (ausgeschalten)
* 2mm plastic walls (1.3mm is typical for most systems).
* 2mm Plastikwände (1.3mm ist der Standard für die meisten Systeme).


''Regulatory requirements:''
''Regulative Richlinien:''
* The usual US and EU EMI/EMC requirements will be met.
* Die üblichen US und EU EMI/EMC Anforderungen werden eingehlaten.
* Der Laptop und sämtliche von OLPC unterstütztes Zubehör werden gemäß den Normen der [http://www.ul.com/ UL] und [http://en.wikipedia.org/wiki/RoHS RoHS] entwickelt.
* The laptop and all OLPC-supplied accessories will be fully UL and is RoHS compliant.

{{anchor|Laptop Development Schedule}}


==Laptop Development Schedule==
==Laptop Development Schedule==
Line 102: Line 118:
The XO laptop hardware development schedule has two more test unit builds (Beta Test 3 and Beta Test 4), before a final test build (C Test 1) on the final production line and mass production. The Beta Test 3 build scheduled for early May will be the first one providing the processor and memory capabilities of the production version.
The XO laptop hardware development schedule has two more test unit builds (Beta Test 3 and Beta Test 4), before a final test build (C Test 1) on the final production line and mass production. The Beta Test 3 build scheduled for early May will be the first one providing the processor and memory capabilities of the production version.


{{anchor|Pre-production Test Systems (CTest-1, or C1)}}
=== Pre-production Test Systems (CTest-1, or C1) ===
=== Pre-production Test Systems (CTest-1, or C1) ===


This build is a very small number (200 or so) of laptops produced as a test of the manufacturing process on the main production line, and should happen in early fall. A C1 laptop is hopefully identical to a production unit in all aspects...
This build is a very small number (200 or so) of laptops produced as a test of the manufacturing process on the main production line, and should happen in early fall. A C1 laptop is hopefully identical to a production unit in all aspects...


{{anchor|Beta Test 4 Systems (BTest-4, or B4)}}
=== Beta Test 4 Systems (BTest-4, or B4) ===
=== Beta Test 4 Systems (BTest-4, or B4) ===


Line 112: Line 130:
No new features will be added to the laptop in this build. This build is planned merely to test solutions to problems detected in the BTest-3 laptops.
No new features will be added to the laptop in this build. This build is planned merely to test solutions to problems detected in the BTest-3 laptops.


{{anchor|Beta Test 3 Systems (BTest-3, or B3)}}
=== Beta Test 3 Systems (BTest-3, or B3) ===
=== Beta Test 3 Systems (BTest-3, or B3) ===


Line 127: Line 146:
A very small number of BTest-3 units (around a hundred) will be built, all destined for hardware and low level software development.
A very small number of BTest-3 units (around a hundred) will be built, all destined for hardware and low level software development.


{{anchor|Beta Test 2 Systems (BTest-2, or B2)}}
=== Beta Test 2 Systems (BTest-2, or B2) ===
=== Beta Test 2 Systems (BTest-2, or B2) ===


Line 133: Line 153:
BTest-2 systems are almost identical visually with BTest-1. BTest-3 will have more substantial physical differences. An easy way to tell the difference between BTest-1 and BTest-2 is that BTest-1 keyboards have white lettering, and BTest-2 has black lettering.
BTest-2 systems are almost identical visually with BTest-1. BTest-3 will have more substantial physical differences. An easy way to tell the difference between BTest-1 and BTest-2 is that BTest-1 keyboards have white lettering, and BTest-2 has black lettering.


{{anchor|Beta Test 1 Systems (BTest-1)}}
=== Beta Test 1 Systems (BTest-1) ===
=== Beta Test 1 Systems (BTest-1) ===


Approximately 875 systems were built by Quanta and were distributed. These are fully functional machines, but built before the rigorous testing that will now take place. Much more information about the BTest-1 systems can be found in the [[BTest-1 Release Notes]].
Approximately 875 systems were built by Quanta and were distributed. These are fully functional machines, but built before the rigorous testing that will now take place. Much more information about the BTest-1 systems can be found in the [[BTest-1 Release Notes]].


{{anchor|Pre-BTest boards}}
=== Pre-BTest boards ===
=== Pre-BTest boards ===


A small number of pre-BTest boards were built in preparation for building complete BTest systems. [[Btest_Boards|Developer information about B-test boards are here.]]
A small number of pre-BTest boards were built in preparation for building complete BTest systems. [[Btest_Boards|Developer information about B-test boards are here.]]


{{anchor|Alpha Test Prototype Electronics}}
=== Alpha Test Prototype Electronics ===
=== Alpha Test Prototype Electronics ===


Line 151: Line 174:
* [[media:Proto-a-screen.jpg|Picture of the screen of Linux running on the OLPC circuit board; fittingly, it shows a Chinese desktop]]
* [[media:Proto-a-screen.jpg|Picture of the screen of Linux running on the OLPC circuit board; fittingly, it shows a Chinese desktop]]


{{anchor|See also}}
== See also ==
== See also ==


Line 159: Line 183:
*[[Hardware design]]
*[[Hardware design]]


{{anchor|School Server Hardware}}

=School Server Hardware=
=School Server Hardware=


Line 166: Line 190:
Unlike the laptop, the [[School_server|school server]] is more of a [[XS_Server_Services|collection of services]] than a hardware platform. In a manner identical to the laptop, OLPC will collaborate with manufacturing partners to provide a cost-efficient hardware platform for running the recommended software. Unlike the laptop, the manufacturing collaboration will not be exclusive. Individual countries will be free (even encouraged) to design and manufacture their own school servers running derivatives of the OLPC school server software.
Unlike the laptop, the [[School_server|school server]] is more of a [[XS_Server_Services|collection of services]] than a hardware platform. In a manner identical to the laptop, OLPC will collaborate with manufacturing partners to provide a cost-efficient hardware platform for running the recommended software. Unlike the laptop, the manufacturing collaboration will not be exclusive. Individual countries will be free (even encouraged) to design and manufacture their own school servers running derivatives of the OLPC school server software.


{{anchor|XS}}
==XS==
==XS==


This will be the school server built for OLPC by Quanta. It is still in the very early stages of design, but should reach early production volumes in late fall. See the [[XS_Server_Specification#XS_Specifications|specification]].
This will be the school server built for OLPC by Quanta. It is still in the very early stages of design, but should reach early production volumes in late fall. See the [[XS_Server_Specification#XS_Specifications|specification]].


{{anchor|XSX}}
==XSX==
==XSX==



Latest revision as of 21:58, 9 December 2008

  Diese Seite wird überwacht durch das OLPC-Team.
  Übersetzung von Hardware specification Original  
  deutsch | english | español | français | italian | 日本語 | 한글 | português | русский indonesia   +/- Änderungen  
This is an on-going translation

Hinweis!

Diese Seite stellt keine offizielle Seite von "One Laptop per Child" dar. Die Übersetzung erfolgte von der englischen Originalseite und ist durch Zusammenarbeit vieler Wiki-User entstanden.

Hardware

Der XO-Laptop bildet den Mittelpunkt von One Laptop Per Child. Nach zwei Jahren der Entwicklung, tausenden an Entwickler verteilten und in Schulen teilnehmender Länder erprobten Beta (B2) Geräten nähert sich der Laptop der Serienreife. Einige geringfügige Änderungen wurden erst kürzlich durchgeführt, um den Rechner auf dem aktuellsten technischen Stand zu halten.

Spezifikationen

  • Grafikkarte: Integriert im Geode Prozessor; unified memory architecture
Drawing75c1.jpg

Abmessungen:

  • Größe: 242mm × 228mm × 30mm (ungefähre Angaben, geplant)
  • Gewicht: geringer als 1,5 kg (geplant)
  • Gestaltung: Notebook mit verdrehbarem Display; schmutz- und nässebestädiges Gehäuse

Elektronische Kerndaten:

  • CPU: AMD Geode LX-700@0.8W (datasheet)
  • CPU Geschwindigkeit: 433 Mhz
  • Kompatibilität: Athlon instruction set (integrierte MMX- und 3DNow! Enhanced- Technologie) mit zusätzlichen Geode-spezifischen Eigenschaften
  • North Bridge: PCI- und Speicherinterface integriert im Prozessor
  • Grafikkontroller: Integriert im Prozessor
  • South Bridge: AMD CS5536 (datasheet)
  • DRAM memory: 256 MB dynamic RAM
    • Datenübertragungsrate: Dual – DDR333 – 166 Mhz
  • BIOS: 1024 KB SPI-interface flash ROM; LinuxBIOS open-source BIOS; Open Firmware bootloader
  • Massenspeicher: 1024 MB SLC NAND flash, high speed flash controller
  • Laufwerke: keine optischen Laufwerke
  • Embedded Controller: ENE KB3700: File:KB3700-ds-01.pdf
Prototype-A Motherboard

Bildschirm:

  • LCD: 7.5” Dual-mode TFT display
  • sichtbares Bild: 152.4 mm × 114.3 mm
  • Bildgröße: 1200 (H) × 900 (V) Auflösung (200 dpi)
  • Mono display: High-resolution, reflective monochrome mode
  • Color display: 800 (H) x 600 (V) oder höher Transmissive Color Mode
  • Stromverbrauch: 0.1 Watt bei ausgeschalteter Hintergrundbeleutung; 0.2-1.0 Watt mit Hintergrundbeleuchtung
  • Der DCON - Display Controller chip mit Speicher, der es erlaubt bei schlafendem Prozessor eingeschaltet zu bleiben.

Der Bildschirm und dieser Chip sind die Grundlage unserer extrem wenig Strom verbrauchenden Architektur. Der Computer ist verwendbar und mit dem Netzwerk verbunden, während der Prozessor und die größten Teile des Motherboards ausgeschaltet sind. Siehe dazu das Foto des Displays (es sieht tatsächlich besser aus; Displays zu photographieren ist erstaunlich schwierig)

Bemerkung: Die Webbrowser-Fotos werden momentan vergrößert um ungefähr der Dimension des Browserfenster zu entsprechen [800x600].
Etoys auf dem Prototypen des OLPC-Bildschirms

Integrierte Peripheriegeräte:

Keyboard detail
  • Wireless: Marvell Libertas 88W8388+88W8015, 802.11b/g kompatibel; doppelt einstellbar, drehbare, koaxiale Antennen; unterstützt Diversity Reception
  • Statusanzeigen: Stromversorgung, Batterie, WiFi; geschlossen und geöffnet sichtbar
  • Videokamera: 640x480 Auflösung, 30FPS
  • Unabhängig von der Softwareanzeige des Mikrofon- oder Kameraaufzeichnungsstatus

Externe Anschlüsse:

  • Stromversorgung: zweipoliger Gleichstromeingang (10 bis 20 V). Stromeingang zwischen -40 to 39 V abgesichert, darüber Schutz durch Einwegsicherung.
  • Ausgang: standard 3.5mm dreipoliger stereo Klinkenstecker
  • Mikrofon: standard 3.5mm zweipoliger mono Klinkenstecker; verfügbare Aufnahmearten:
    • Sensor, Gleichstrom mit 2.5 V (3K Ohm impledance) Vorspannung
    • Sensor, Gleichstrom ohne Vorspannung (0 -- 3 V)
    • externes Mikrofon, Wechselstrom mit Vorspannung
  • Erweiterung: 3 Type-A USB-2.0 Buchsen; MMC/SD Card slot
    • Maximale Stromstärke: 1 A (insgesamt)
Connectors

Batterie:

  • vollständig gekapseltes hartes Gehäuse, abnehmbar
  • Pack: 4 Zellen, 6V
  • Chemische Typen:
    • NiMH, Kapazität 16.5 Wh
    • LiFeP, 22 Wh
  • Im Akkupack integrierte Elektronik ermöglicht:
    • Identifikation
    • Lade- und Kapazitätsanzeige
    • Temperatur- und Überstromsensoren mit Sicherheitsabschaltung
  • Lebensdauer: mindestens 2,000 Ladezyklen
  • Power Management
Battery

BIOS/loader:

  • Open Firmware wird, inklusive Hardwareinitialisierung und Schnellstart, als Firmware eingestezt.

Betriebsumgebung:

  • Temperatur: über die üblichen Laptopvoraussetzungen hinausgehend; genau Werte wurden nicht festgestezt
  • Feuchtigkeit: siehe Temperatur. Im geschlossenen Zustand sollte ausreichende Resisdenz gegenüber Regen und Staub gewährleistet sein.
  • Meereshöhe: -15m bis 3048m (14.7 bis 10.1 psia) (im Betrieb), -15m bis 12192m (14.7 bis 4.4 psia) (ausgeschaltet)
  • Schlagschutz: 125g, 2ms, Halbsinus (im Betrieb) 200g, 2ms, Halbsinus (ausgeschaltet)
  • Erschütterung: 0.75g zero-to-peak, 10Hz to 500Hz, 0.25 oct/min sweep rate (im Betrieb); 1.5g zero-to-peak, 10Hz to 500Hz, 0.5 oct/min sweep rate (ausgeschalten)
  • 2mm Plastikwände (1.3mm ist der Standard für die meisten Systeme).

Regulative Richlinien:

  • Die üblichen US und EU EMI/EMC Anforderungen werden eingehlaten.
  • Der Laptop und sämtliche von OLPC unterstütztes Zubehör werden gemäß den Normen der UL und RoHS entwickelt.

Laptop Development Schedule

The XO laptop hardware development schedule has two more test unit builds (Beta Test 3 and Beta Test 4), before a final test build (C Test 1) on the final production line and mass production. The Beta Test 3 build scheduled for early May will be the first one providing the processor and memory capabilities of the production version.

Pre-production Test Systems (CTest-1, or C1)

This build is a very small number (200 or so) of laptops produced as a test of the manufacturing process on the main production line, and should happen in early fall. A C1 laptop is hopefully identical to a production unit in all aspects...

Beta Test 4 Systems (BTest-4, or B4)

This build, scheduled for the middle of the summer, is the final chance to fix hardware and mechanical problems that were detected in the Beta Test 3 build of the XO. Only a small number (200 or so) of these will be built for testing, as the injection molds for the plastic case have to be taken offline and duplicated to prepare for mass production (the Beta Test mold set will be retired after duplication).

No new features will be added to the laptop in this build. This build is planned merely to test solutions to problems detected in the BTest-3 laptops.

Beta Test 3 Systems (BTest-3, or B3)

This build, scheduled for May, is the first to use an updated design for the laptop. Noticeable improvements over BTest-2 include:

  • A faster, lower power processor: the Geode LX-700
    • 128 KB of L1 Cache, 128 KB of L2 Cache (vs. 32 KB of L1 cache)
    • Faster processor and memory clock (433/333 vs. 366/266)
    • 1.5 W typ. vs. 3 W typ.
    • Much better graphics processor, including support for rotated blits and depth conversion
  • More memory: 256 MB of SDRAM (vs. 128 MB)
  • A new hinge design allows greater tilt of the screen
  • An improved case design (addressing strength and water resistance)

A very small number of BTest-3 units (around a hundred) will be built, all destined for hardware and low level software development.

Beta Test 2 Systems (BTest-2, or B2)

Approximately 2500 systems were built by Quanta and are being distributed. These are fully functional machines with CaFE asic's, and reflect some, but not all of the learning and improvements from testing of BTest-1. Much more information about the BTest-2 systems can be found in the BTest-2 Release Notes. Some of the details of the hardware design are to support the OLPC Human Interface Guidelines.

BTest-2 systems are almost identical visually with BTest-1. BTest-3 will have more substantial physical differences. An easy way to tell the difference between BTest-1 and BTest-2 is that BTest-1 keyboards have white lettering, and BTest-2 has black lettering.

Beta Test 1 Systems (BTest-1)

Approximately 875 systems were built by Quanta and were distributed. These are fully functional machines, but built before the rigorous testing that will now take place. Much more information about the BTest-1 systems can be found in the BTest-1 Release Notes.

Pre-BTest boards

A small number of pre-BTest boards were built in preparation for building complete BTest systems. Developer information about B-test boards are here.

Alpha Test Prototype Electronics

Power up of the first OLPC electronics prototype boards occurred April 15, 2006. Power and ground testing continued over the weekend, and formal debug and BIOS bring up started Monday, April 17, 2006 at Quanta Computer's labs in Taipei, Taiwan. By Wednesday, April 19, Linux was booting on the first generation prototypes.

Photographs:

See also

Formerly part of this page:

School Server Hardware

While the laptop is rightfully at the center of OLPC, a valuable peripheral is the school server. OLPC will be building and distributing school servers along with the laptops, to extend the storage and computation provided by each laptop, as well as providing a local library and a mesh portal to the Internet.

Unlike the laptop, the school server is more of a collection of services than a hardware platform. In a manner identical to the laptop, OLPC will collaborate with manufacturing partners to provide a cost-efficient hardware platform for running the recommended software. Unlike the laptop, the manufacturing collaboration will not be exclusive. Individual countries will be free (even encouraged) to design and manufacture their own school servers running derivatives of the OLPC school server software.

XS

This will be the school server built for OLPC by Quanta. It is still in the very early stages of design, but should reach early production volumes in late fall. See the specification.

XSX

This is a prototype school server, built for early school trials in country. It will be integrated from off-the-shelf components, and will be overpowered compared to a production school server in order to simplify early demands for system software. See the specification and the implementation.