Psion Series 7: Difference between revisions
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{{Infobox computer | {{Infobox computer | ||
| name = Psion Series 7 | | name = Psion Series 7 | ||
| image = [[File:Psion Series 7 - where things are (front).png|250px]] | |||
| caption = Psion's own labelled diagram of the Series 7 | |||
| developer = Psion PLC (Psion Digital Solutions) | | developer = Psion PLC (Psion Digital Solutions) | ||
| manufacturer = Psion PLC | | manufacturer = Psion PLC | ||
| type = Clamshell sub-notebook | | type = Clamshell sub-notebook | ||
| release_date = 2000 | | release_date = 2000 | ||
| cpu = Intel StrongARM SA-1100, clocked at 132.71 MHz | | cpu = Intel StrongARM SA-1100, clocked at 132.71 MHz | ||
| memory = 16 MB RAM, expandable to 32 MB | | memory = 16 MB RAM, expandable to 32 MB | ||
| storage = CompactFlash Type II (including IBM Microdrive), PC Card Type I/II | | storage = CompactFlash Type II (including IBM Microdrive), PC Card Type I/II | ||
| display = 7.7 in 640 × 480 backlit colour STN touchscreen, 256 colours | | display = 7.7 in 640 × 480 backlit colour STN touchscreen, 256 colours | ||
| dimensions = 235 mm × 182 mm × 37 mm (shared chassis with the netBook) | |||
| sound = 12-bit audio, built-in speaker and microphone | | sound = 12-bit audio, built-in speaker and microphone | ||
| os = EPOC32 (ER5), builds 754 and 756 | | os = EPOC32 (ER5), builds 754 and 756 | ||
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| '''Display''' || 7.7 in '''640 × 480 backlit colour STN''' touchscreen, '''256 colours''', nine brightness levels | | '''Display''' || 7.7 in '''640 × 480 backlit colour STN''' touchscreen, '''256 colours''', nine brightness levels | ||
|- | |- | ||
| '''Storage''' || CompactFlash Type I/II (IBM Microdrive supported); one PC Card Type I/II slot | | '''Storage''' || CompactFlash Type I/II (IBM Microdrive supported); one PC Card Type I/II slot, '''limited to 200 mA'''<ref name="psionfaq">Psion Teklogix, netBook customer FAQ, hosted at [[Psion netBook Documentation]]. Psion's own PC Card slot current limits: 800 mA on the netBook after the September 2002 main logic board change, 300 mA before it, 200 mA on the Series 7. Also confirms the Series 7's 133 MHz clock and ROM-resident operating system.</ref> | ||
|- | |- | ||
| '''Serial''' || RS-232 to 115200 baud; SIR infrared | | '''Serial''' || RS-232 to 115200 baud; SIR infrared | ||
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| '''Main power''' || '''11.1 V, 1500 mAh''' Li-ion pack of three 18650 cells | | '''Main power''' || '''11.1 V, 1500 mAh''' Li-ion pack of three 18650 cells | ||
|- | |- | ||
| '''Backup power''' || '''CR2032''' lithium coin cell | | '''Backup power''' || '''CR2032''' lithium coin cell, '''55-hour lifespan'''<ref name="ds2001">Psion Teklogix, "netBook" product datasheet, document code NBOOK-01/01-5K-A4-UK, February 2001, hosted at [[Psion netBook Documentation]]. Psion's own specification: 58-key keyboard, 15 V 1.5 A adapter, up to 8.5 hours battery life with a 2.5 hour recharge, CR2032 backup cell with a 55-hour lifespan, PC Card slot rated for 3.3 V and 5 V, 0.7 m drop onto carpet, IP30.</ref> | ||
|- | |- | ||
| '''External power''' || '''15 | | '''External power''' || '''15 V, 1.5 A''' per Psion's own datasheet<ref name="ds2001" />; the contemporary community FAQ says 15.5 V. 100–240 V 50/60 Hz, with a ferrite core on the lead | ||
|- | |- | ||
| '''Keyboard''' || | | '''Keyboard''' || '''58 keys''', standard layout<ref name="ds2001" />. Legends applied as '''white transfers''' rather than hot-stamped or laser-etched, so they do not fade | ||
|- | |- | ||
| '''Case''' || Leather-covered clamshell | | '''Case''' || Leather-covered clamshell | ||
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* '''The safe direction is netBook down to Series 7.''' Upgrading the other way "may not work, as some Series 7 failed the test for being able to work reliably at the higher speed" — the parts were binned.<ref name="lindsay" /> | * '''The safe direction is netBook down to Series 7.''' Upgrading the other way "may not work, as some Series 7 failed the test for being able to work reliably at the higher speed" — the parts were binned.<ref name="lindsay" /> | ||
* '''The Series 7 still cannot supply as much current to the PC Card slot''' as a netBook, and that does not change when the ROM board does.<ref name="faqgen" /> | * '''The Series 7 still cannot supply as much current to the PC Card slot''' as a netBook, and that does not change when the ROM board does.<ref name="faqgen" /> Psion Teklogix put a number on it: the '''Series 7 slot is limited to 200 mA''', against '''800 mA''' on a netBook built from September 2002 and '''300 mA''' on one built before that.<ref name="psionfaq" /> That is the whole explanation for why modems and radio cards that work in a netBook are dead in a Series 7, and no module swap changes it. | ||
Only '''16, 32 and 64 MB''' memory configurations are accepted; 48 MB does not work, and a Series 7 memory upgrade will not work in a netBook.<ref name="lindsay" /> | Only '''16, 32 and 64 MB''' memory configurations are accepted; 48 MB does not work, and a Series 7 memory upgrade will not work in a netBook.<ref name="lindsay" /> | ||
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The board carries '''two unfitted DRAM sockets and an apparently unfitted Flash ROM site'''. At least one owner populated them with Hitachi HM5165165LTT-6 devices to make a 32 MB motherboard, stressing that low-power parts are essential because the DRAM is powered continuously on a Psion.<ref name="lindsay" /> | The board carries '''two unfitted DRAM sockets and an apparently unfitted Flash ROM site'''. At least one owner populated them with Hitachi HM5165165LTT-6 devices to make a 32 MB motherboard, stressing that low-power parts are essential because the DRAM is powered continuously on a Psion.<ref name="lindsay" /> | ||
== Documentation == | |||
{{Main|Psion Series 7 User Guide}} | |||
Psion's own 226-page user guide is hosted on this wiki. No service manual, spare parts list or exploded diagram for the Series 7 has survived in public hands — the nearest manufacturer sources for hardware limits are the [[Psion netBook Documentation|netBook datasheet and customer FAQ]], which cover the shared chassis. | |||
== ROM builds == | == ROM builds == | ||
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* [[Psion netBook]] — the corporate original; the same machine with a different personality module | * [[Psion netBook]] — the corporate original; the same machine with a different personality module | ||
* [[Psion Series 7 User Guide]] · [[Psion netBook Documentation]] — the surviving manufacturer documentation | |||
* [[Psion netBook Pro]] · [[Psion Series 5mx]] | * [[Psion netBook Pro]] · [[Psion Series 5mx]] | ||
* [[Battery Refurbishment]] · [[Recommended Tools]] | * [[Battery Refurbishment]] · [[Recommended Tools]] | ||
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[[Category:Psion]] | [[Category:Psion]] | ||