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Phoebe (computer)

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said, "There is not a big enough market for the PC (Risc PC 2), which is largely for home use and games. It's an enthusiast's product. We are going to resize the rest of the company and concentrate on becoming a digital TV and thin client company". Computerworld Online News reported an Acorn
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In the aftermath of the cancellation of Phoebe 2100 and Acorn Computers' change in direction from general computing to set-top box development and DSP silicon design there were several attempts to resurrect some or all of the Phoebe 2100 hardware or RISC OS 4 development.
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speed of 64 MHz, and the improved performance of the video chip was also seen; however, various bugs in the sound DMA were reported and general system instability was noted. As such, no shippable prototypes were yet available to send to the 'Registered Developers'.
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computers. This would enable developers to test that their software would be compatible with Phoebe 2100, provided it didn't require any of the new hardware features. RISC OS 3.80 was limited, it only ran on ARM6 and ARM7 RiscPCs and not
765:. In March 1999, RISCOS Ltd negotiated a licence with Element 14, the recently renamed Acorn Computers, and set about finishing the development of RISC OS 4. In July 1999 RISCOS Ltd launched RISC OS 4 to the public. It supported Acorn's 512:
design, a slow memory architecture, limited I/O capability, limited expansion, and not adhering to industry standards. To overcome these weakness a number of design objectives were created: harness the full potential of the
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During 1997 and 1998, Acorn regularly took prototype and mock-up hardware to various Acorn computer shows, including Acorn World October 1997, Wakefield Acorn Spring Show May 1998 and the Acorn Southeast Show June 1998.
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Of these, the only successful group was the Steering Group who, after initially being interested in releasing the Phoebe 2100, realised it would be financially prohibitive and set about creating a new company
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By May 1998, Acorn started to offer their 'Registered Developer' scheme members the chance to pre-order a pre-launch prototype for testing and development, these were offered at a £950 (excl.
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would be developed, called RISC OS 4 (codenamed 'Ursula'). RISC OS wouldn't support the multiple processor daughter cards that had been included in the Phoebe 2100 hardware specification.
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expansion, offer the best possible graphics, run existing RISC OS applications, and provide enhanced RISC OS functionality. An additional design objective of reusing the same case as the
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On 17 September 1998, Acorn finished a review of its business and decided to close the 'Workstation Division', the department developing Phoebe 2100, and all work stopped.
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To prepare developers for the changes to the OS, Acorn released to its 'Registered Developer' program RISC OS 3.80, designed to load on Acorn's previous generation
543:, a 100% performance increase was gained. Due to this being logically the same chip as the previous generation there would be no issues with software compatibility. 640:
A better file system, increasing the number of items in directory from 77 to approx 88,000 and increasing the max length of a filename from 10 characters to 255
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On 15 September 1998, the first Phoebe 2100 motherboards with silicon (rather than FPGA) based IOMD2 chips were powered up. They successfully ran at the full
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In addition, after the cancellation, excess stock of the Phoebe 2100 yellow NLX case was sold by CTA Direct, sometimes including an NLX-compatible PC.
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In November 1996, the design of what was to become Phoebe 2100 was started. The design took into account a number of perceived weaknesses of the
1686: 1710: 1269: 934: 549:, the new IO chip had to support multiple processors, included message passing and multiple bus mastering, and was manufactured using a 1213:"Stuart Halliday - Acorn Cybervillage Announcement - Workstation Division to close, Risc PC 2 work stopped, Acorn World Show postponed" 329:, slated for release in late 1998. However, in September 1998, Acorn cancelled the project as part of a restructuring of the company. 1117: 1103: 1089: 839: 370: 245: 1050: 888: 1321: 1145: 1131: 1036: 1075: 1063: 957:
Stop Press: "She's Alive!", Server availability problems, Softloadable Ursula Bugs, Use on A7000+, MIDI Manager specs, etc etc
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Processors running at 300 MHz were being sampled by Acorn in September 1998, with 360 MHz versions also expected.
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spokesman saying "The problem was that it would have had a retail cost about twice as high as for a comparable PC".
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RISC OS 4 had to support the new hardware of Phoebe 2100 which wasn't present in Acorn's earlier machines;
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Ursula, RISC OS 4.00 (crippled developer release retroversioned as 3.8, see branch Ursula_RiscPC), 1997-8
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To provide for these new capabilities Acorn had to design two new support chips for the system;
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After cancellation it came to light that as few as 150 to 300 pre-orders had been placed.
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The Phoebe 2100 project used a series of names inspired by characters from the TV series '
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Two days later, on 17 September 1998, the development of Phoebe 2100 was cancelled.
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was dropped due to power supply requirements and electrical interference problems.
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Spec Review Aftermath, Developer Conference, UrsMod Tool, Prototype Phoebes, etc
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In addition several new features were to be added to the core of RISC OS;
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Acorn World Aftermath, Clan Beta CDs, Phoebe, Tons of Other Stuff
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Tower case with a custom yellow front panel (by the designers of
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The only known working Phoebe 2100 is held in the collection of
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Softloadable Ursula Image, UrsulaBugs Alias, Updated Tools, etc
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RISCOS Ltd acquires licence to develop and release RISC OS 4
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Element 14 - Acorn and Element 14 - Questions and Answers.
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Using a shrink of the process to 13: 1183:House of Mable - Computers: Phoebe 967:Turnbull, Steve (September 1995). 806:Clark, Etelka (4 September 1998). 144:The case of the Acorn Phoebe 2100. 14: 1787: 625:Support for multiple serial ports 995:"The Icon Bar: Clan Newsletters" 867:"The Icon Bar: Clan Newsletters" 781:The Centre for Computing History 399:3 Acorn Podule expansion sockets 332: 138: 129: 25: 1386: 1368: 1350: 1338: 1326: 1297: 1283: 1261: 1219: 1205: 1187: 1176: 1164: 1152: 1138: 1124: 1110: 1096: 1082: 1068: 1057: 1043: 1029: 987: 730: 948: 927: 915: 894: 832: 632:, supporting joystick and MIDI 503: 1: 786: 679: 49:secondary or tertiary sources 749: 7: 396:PC Style Joystick/Game Port 10: 1792: 969:"A thousand and one tools" 649:An enhanced window manager 1695: 1630: 1614: 1605: 1552: 1497: 1490: 1444: 1013:"Acorn Project Codenames" 655:A redesigned set of icons 291: 287:Keyboard, Mouse, Joystick 283: 272: 261: 251: 240: 223: 210: 192: 180: 172: 159: 149: 137: 128: 1776:ARM-based home computers 1227:"Acorn scrubs Risc PC 2" 607:-based operating system 1398:computinghistory.org.uk 1277:www.acorn-gaming.org.uk 813:Personal Computer World 783:in Cambridge, England. 457:running at 200 MHz 409:PS/2 Keyboard and Mouse 244:up to 512 MiB of 60:"Phoebe" computer 36:relies excessively on 738:Acorn Computers' CEO 646:A new screensaver API 603:or writing their own 1615:8-bit microcomputers 1606:Derivatives, clones, 692:for the components. 622:PCI expansion slots 432:Single Floppy drive 391:4 PCI slots (33MHz) 325:' successor to the 125: 1347:RISC OS 4 Launched 181:Introductory price 123: 1753: 1752: 1749: 1748: 1672:RiscStation R7500 1601: 1600: 1539:Business Computer 1445:Operating systems 1380:groups.google.com 1309:groups.google.com 1271:), Gareth Moore. 406:chip supporting: 349:SA110 Revision S 309: 308: 121: 120: 113: 95: 1783: 1622:Prodest PC 128 S 1612: 1611: 1588:Network Computer 1563:Archimedes range 1495: 1494: 1431: 1424: 1417: 1408: 1407: 1402: 1401: 1390: 1384: 1383: 1372: 1366: 1365: 1354: 1348: 1342: 1336: 1330: 1324: 1319: 1313: 1312: 1301: 1295: 1294: 1287: 1281: 1280: 1265: 1259: 1258: 1256: 1254: 1237: 1231: 1230: 1223: 1217: 1216: 1209: 1203: 1202: 1191: 1185: 1180: 1174: 1168: 1162: 1156: 1150: 1149: 1142: 1136: 1135: 1128: 1122: 1121: 1114: 1108: 1107: 1100: 1094: 1093: 1086: 1080: 1079: 1072: 1066: 1061: 1055: 1054: 1047: 1041: 1040: 1033: 1027: 1026: 1021: 1019: 1009: 1003: 1002: 991: 985: 984: 982: 980: 975:. pp. 40–42 964: 958: 952: 946: 945: 939: 931: 925: 919: 913: 912: 906: 898: 892: 886: 875: 874: 863: 844: 843: 836: 830: 829: 827: 825: 820:on 19 April 2013 816:. Archived from 803: 720:– processor card 714:– the IOMD2 chip 587:Operating system 444:video controller 319: 212:Operating system 142: 133: 126: 122: 116: 109: 105: 102: 96: 94: 53: 29: 21: 1791: 1790: 1786: 1785: 1784: 1782: 1781: 1780: 1766:Acorn Computers 1756: 1755: 1754: 1745: 1691: 1626: 1607: 1597: 1548: 1486: 1440: 1438:Acorn Computers 1435: 1405: 1392: 1391: 1387: 1376:"Google Groups" 1374: 1373: 1369: 1362:www.iconbar.com 1356: 1355: 1351: 1343: 1339: 1331: 1327: 1320: 1316: 1305:"Google Groups" 1303: 1302: 1298: 1289: 1288: 1284: 1266: 1262: 1252: 1250: 1238: 1234: 1225: 1224: 1220: 1211: 1210: 1206: 1193: 1192: 1188: 1181: 1177: 1169: 1165: 1157: 1153: 1144: 1143: 1139: 1130: 1129: 1125: 1116: 1115: 1111: 1102: 1101: 1097: 1088: 1087: 1083: 1074: 1073: 1069: 1062: 1058: 1049: 1048: 1044: 1035: 1034: 1030: 1017: 1015: 1011: 1010: 1006: 999:www.iconbar.com 993: 992: 988: 978: 976: 965: 961: 953: 949: 937: 933: 932: 928: 920: 916: 904: 900: 899: 895: 887: 878: 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Index


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primary sources
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"Phoebe" computer
news
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Acorn Computers
32-bit
microcomputer
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Operating system
RISC OS
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Intel
StrongARM
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