Psion Revo Plus: Difference between revisions
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== Documentation == | == Documentation == | ||
Psion's | Psion's [[Psion Revo Handbook]] ([[:File:Psion Revo Handbook (February 2000).pdf|PDF]]) covers the Revo's operation, charging, care, troubleshooting and resets, which are the same on the Revo Plus. Its specification appendix gives the 8 MB Revo's figures.<ref name="revohb" /> | ||
== General maintenance == | == General maintenance == | ||
Latest revision as of 13:13, 30 September 2026
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| Psion product photograph of a German-market Revo Plus; the "16MB" marking is below the screen | |
| Specifications | |
|---|---|
| Developer | Psion |
| Manufacturer | Psion |
| Type | Clamshell palmtop / PDA |
| Released | September 2000 (Europe) |
| Discontinued | 2003 |
| CPU | ARM710T @ 36 MHz |
| Memory | 16 MB RAM; 8 MB ROM |
| Storage | Internal RAM disk only; no memory card slot |
| Display | 480 × 160 greyscale LCD (16 grey levels), touch-sensitive; no backlight |
| Sound | Loudspeaker |
| Power | 2 × internal AAA NiMH rechargeable cells (700 mAh) |
| Dimensions | 157 mm × 78 mm × 18 mm |
| Weight | 200 g |
| OS / Firmware | EPOC Release 5 (Symbian) |
| Predecessor | Psion Revo |
| Model no. | Rebadged for the United States and Canada as the Diamond Mako |
The Psion Revo Plus is the 16 MB version of the Psion Revo, first released in Europe in September 2000. It has twice the Revo's RAM, a redesigned main board to take the new memory chip, a larger battery, and the Opera web browser and a WAP browser in its software.[1][2] The processor, screen, keyboard and case size are the same as the Revo's.[3][2]
History
[edit | edit source]Psion released the Revo Plus in Europe in September 2000, about ten months after the Revo.[1][2] SONICblue sold it in the United States and Canada as the Diamond Mako.[2] The Revo line ended in 2003, and its planned successor, codenamed Conan, was never released.[2]
Specifications
[edit | edit source]| Item | Specification |
|---|---|
| Processor | ARM710T, 36 MHz |
| ROM | 8 MB |
| RAM | 16 MB |
| Display | 480 × 160, 16 grey levels, touch-sensitive; no backlight |
| Keyboard | 53-key QWERTY |
| Interfaces | Infrared (IrDA); RS-232 serial through the docking station |
| Batteries | Two internal AAA NiMH rechargeable cells, 700 mAh; average run time 14 hours (netogram) |
| Mains adaptor input | 100–240 V AC ±10 %, 50/60 Hz |
| Size and weight | 15.7 × 7.8 × 1.8 cm, 200 g |
| Operating system | EPOC Release 5 |
Differences from the Revo
[edit | edit source]| Revo | Revo Plus | |
|---|---|---|
| RAM | 8 MB[4] | 16 MB[3] |
| Cells | 2 × 650 mAh AAA NiMH[4] | 2 × 700 mAh AAA NiMH[1][5] |
| Main board | Original | Redesigned for the new memory chip[1] |
| Software | EPOC Release 5 suite | Adds the Opera web browser and a WAP browser[1] |
| Nameplate | "revo" | "revo PLUS"[1] |
The Revo Plus holds twice the RAM in standby, so it uses more charge while switched off. Kevin Millican estimates about 6 % a day for a Revo Plus or Mako, against 3 % for a Revo.[6]
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Battery and charging
[edit | edit source]The Revo Plus has the same arrangement as the Revo: two AAA NiMH cells soldered to a connector and sealed under the lid nameplate. R3UK's replacement guide was written on a Revo Plus and covers the Revo, Revo Plus and Diamond Mako.[5]
- Use NiMH cells only.[2]
- Avoid starting a charge above about 80 %. The charge controller calibrates from a thermal change at about 84 % of indicated capacity, and a charge started above that point may not switch to trickle charge.[6]
- After a battery replacement or hard reset, charge without interruption from empty to full so that the gauge recalibrates.[2][6]
- The loose-cell fault that affected a small number of early Revos was confined to 8 MB machines.[6]
The procedure is on Psion Revo Battery Replacement.
Documentation
[edit | edit source]Psion's Psion Revo Handbook (PDF) covers the Revo's operation, charging, care, troubleshooting and resets, which are the same on the Revo Plus. Its specification appendix gives the 8 MB Revo's figures.[4]
General maintenance
[edit | edit source]See the Psion Revo Plus General Maintenance guide.
Troubleshooting
[edit | edit source]See the Psion Revo Plus Troubleshooting Guide.
Battery replacement
[edit | edit source]The Revo battery replacement procedure applies to the Revo Plus.[5]
Related pages
[edit | edit source]- Psion Revo Plus General Maintenance
- Psion Revo Plus Troubleshooting Guide
- Psion Revo Battery Replacement
- Psion Revo
- Psion Series 5mx
- Battery Refurbishment
References
[edit | edit source]- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "Psion Revo Plus", Centre for Computing History.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 "Psion Revo", Wikipedia.
- ↑ 3.0 3.1 3.2 "Psion 3mx, Psion 5, Psion 5mx, Psion Revo and Psion Revo Plus specifications", netogram.com, section "Psion Revo Plus".
- ↑ 4.0 4.1 4.2 Psion Computers PLC, Psion Revo Handbook, version 1.1, February 2000, "Specification" (p. 206). Hosted on this wiki as File:Psion Revo Handbook (February 2000).pdf.
- ↑ 5.0 5.1 5.2 David Savery, "Psion Revo/Diamond Mako Disassembly & Battery Replacement", R3UK, 9 August 2004.
- ↑ 6.0 6.1 6.2 6.3 Kevin Millican, "Revo Battery Information", 25 May 2003.