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chip. However, the latter requires some extra board modifications, and 512 kB is the biggest size that can be addressed by the Z88 for the internal RAM. A similar modification is possible for the internal ROM slot. A 512 kB flash chip can replace the original ROM, allowing an upgrade of the
413:
The 64 kB addressable by the Z80 processor are divided in four banks of 16 kB each. The maximum memory of 4 MiB for the system is also divided in 256 segments of 16 kB each. The hardware can map any of the 16 kB blocks to any of the four banks. The first 512 kB are
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of RAM, the contents of which are preserved across sessions. An integrated capacitor prevents the Z88 from losing its data for the limited time it takes to change the batteries.
1314:
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storage. Once written to the card, files are safe and not reliant on a power supply. Unlike traditional EPROM cards (erased with an external
414:
reserved for ROM; the next 512 kB are reserved for internal RAM. The next 3 MB are assigned to each one of the three memory slots.
515:
chips and runs with 5 V for erasure. It is possible to read, write and erase flash cards in the three slots and the internal one.
507:
light), this one can be electrically erased in the computer's slot. The first generation of card only worked in slot 3 where a 12
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471:
383:, which is almost silent in use; an optional electronic "click" can be turned on to indicate keystrokes. The Z88 is powered by four
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mail-order company, as he was no longer permitted to use the
Sinclair name after the sale. The machine was launched at the
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It is also possible for an experienced user to replace the built-in 32 kB RAM chip with a bigger 128 or 512 kB
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65:
1234:
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The Z88 is a notebook computer weighing 0.9 kg (2.0 lb), based on a low-power
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Show on 17 February 1987. Early models were contract-manufactured by
456:. Statements consisting only of original research should be removed.
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during the mid-1980s. Following the sale of
Sinclair Research to
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portable computer project which had been under development at
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and lightweight at 0.9 kg (2.0 lb), running on four
15:
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signal (Vpp) is available. The later generation is based on
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RAM, 128 kB EPROM or ROM (internal memory) as standard
445:
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Rick
Dickinson's "Pandora to Z88" gallery on Flickr
652:"Cambridge Z88 review: A Beeb By Any Other Name?".
209:
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187:
177:
165:
147:
137:
46:. Unsourced material may be challenged and removed.
402:The Z88 has a built-in eight-line, 64 × 640 pixel
751:
406:which has greater contrast than conventional
372:). The memory can be expanded up to 3.5
274:View Professional), along with several other
8:
499:card is available which provides convenient
278:and utilities, such as a Z80-version of the
120:
767:Sinclair computers, derivatives, and clones
758:
744:
736:
690:"SIR CLIVE SWITCHES Z88 TO SCI FROM THORN"
126:
119:
472:Learn how and when to remove this message
250:It was packaged with a built-in combined
235:, the company formed for this purpose by
106:Learn how and when to remove this message
579:Cummings, Stephen E. (23 January 1989).
555:
553:
309:, Sinclair released the Z88 through his
721:New home for the above algonet.se pages
602:Mackintosh, Hamish (28 November 2001).
549:
488:The stand and port of the Cambridge Z88
1315:Computer-related introductions in 1987
678:. No. 61. April 1987. p. 87.
337:The 8-line LCD display used by the Z88
591:(3). Ziff-Davis: 81 – via Gale.
560:Becket, Michael (14 September 1987).
205:Proprietary RAM, EPROM or flash cards
7:
562:"Frill-a-minute stuff from Sinclair"
44:adding citations to reliable sources
627:"The Z88: what good things come in"
266:(functionally equivalent to a 1987
1325:Sinclair computers and derivatives
14:
625:Miller, David B. (January 1991).
321:but production later switched to
824:
568:: 20 – via Newspapers.com.
426:
20:
213:640 x 64 integrated LCD display
31:needs additional citations for
1:
404:super-twisted nematic display
716:Z88 Forever enthusiast site
452:the claims made and adding
183:CMOS Z80A @ 3.2768 MHz
153:; 37 years ago
1346:
822:
356:of internal pseudo-static
132:The Cambridge Computer Z88
581:"Products: Cambridge Z88"
293:The Z88 evolved from Sir
125:
352:. It comes with 32
345:version of the popular
239:. It was approximately
660:(7): 8. December 1987.
489:
338:
492:Since 1998, a 1
487:
336:
325:in Irvine, Scotland.
247:for 20 hours of use.
1052:ZX Spectrum based:
778:Science of Cambridge
637:(1). 1105 Media: 80
283:programming language
231:released in 1987 by
40:improve this article
1330:Z80-based computers
1260:Magnum Light Phaser
1225:Rotronics Wafadrive
1212:Beta Disk Interface
776:Sinclair Research /
696:. 3 September 1987.
641:. – via Gale.
610:: 4. Archived from
566:The Daily Telegraph
418:Postmarket upgrades
379:The machine uses a
360:and 128 kB of
262:application called
151:September 1987
122:
1196:FDD3000 Disk Drive
1182:Neptun 156 Monitor
952:ZX Spectrum clones
918:Cambridge Computer
523:operating system.
490:
437:possibly contains
339:
311:Cambridge Computer
233:Cambridge Computer
1302:
1301:
1289:Richard Altwasser
1255:Stack Light Rifle
1250:RAM Music Machine
1205:Other peripherals
1173:Timex peripherals
1140:Sinclair Research
879:Timex Corporation
869:ZX Spectrum Vega+
672:"Clive's new Z88"
482:
481:
474:
439:original research
381:membrane keyboard
303:Sinclair Research
229:notebook computer
217:
216:
201:Removable storage
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115:
108:
90:
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1106:ZX Spectrum Next
1062:CZ Spectrum Plus
864:ZX Spectrum Vega
857:Licenced systems
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731:Z88 review, 1989
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631:DEC Professional
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454:inline citations
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366:operating system
167:Operating system
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1078:Scorpion ZS-256
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969:related systems
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810:ZX Spectrum 128
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614:on 10 May 2014.
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408:twisted nematic
364:containing the
331:
315:Which Computer?
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252:word processing
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55:"Cambridge Z88"
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1284:Rick Dickinson
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1276:Clive Sinclair
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1191:FDD Disk Drive
1188:
1183:
1180:
1179:TS2040 Printer
1176:
1174:
1170:
1169:
1167:
1166:
1161:
1159:ZX Interface 2
1156:
1154:ZX Interface 1
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947:ZX80/81 clones
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848:ZX Spectrum +3
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843:ZX Spectrum +2
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726:PipeDream book
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705:External links
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350:microprocessor
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295:Clive Sinclair
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241:A4 paper sized
237:Clive Sinclair
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1164:ZX Microdrive
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1090:Komputer 2086
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990:ZX81 based:
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967:Compatible or
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676:Sinclair User
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440:
435:This section
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221:Cambridge Z88
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121:Cambridge Z88
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88:
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78:
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71:
67:
64:
60:
57: –
56:
52:
51:Find sources:
45:
41:
35:
34:
29:This article
27:
23:
18:
17:
1186:TS2050 Modem
1116:One Per Desk
1024:CZ 1500 Plus
1020:CZ 1000 Plus
976:ZX80 based:
925:
806:ZX Spectrum+
694:Tech Monitor
693:
684:
675:
666:
657:
653:
647:
638:
634:
630:
620:
612:the original
608:The Guardian
607:
604:"Memory man"
597:
588:
584:
574:
565:
517:
501:non-volatile
497:Flash memory
491:
468:
459:
436:
412:
401:
385:AA batteries
378:
369:
340:
314:
298:
292:
276:applications
263:
249:
245:AA batteries
220:
218:
148:Release date
117:
102:
96:October 2012
93:
83:
76:
69:
62:
50:
38:Please help
33:verification
30:
1142:peripherals
1130:Jupiter Ace
1036:Ringo R-470
1028:CZ Spectrum
1000:Lambda 8300
802:ZX Spectrum
538:Exact space
505:ultraviolet
462:August 2019
393:flash cards
323:SCI Systems
270:ROM called
256:spreadsheet
1309:Categories
1149:ZX Printer
1110:QL based:
544:References
520:static RAM
446:improve it
66:newspapers
1230:Multiface
1126:SAM Coupé
1070:Dubna 48K
992:Apply 300
957:QL clones
936:Lists of
899:(TC 2068)
533:Dot space
450:verifying
347:Zilog Z80
319:Thorn EMI
280:BBC BASIC
272:Acornsoft
268:BBC Micro
264:PipeDream
1245:SpecDrum
1235:Kempston
1217:DISCiPLE
1112:CST Thor
1086:Kay 1024
1082:Sprinter
1066:Didaktik
1058:Pentagon
1032:NE-Z8000
978:MicroAce
897:T/S 2068
892:T/S 1500
887:T/S 1000
527:See also
368:(called
260:database
191:32
142:Notebook
1124:Other:
1120:Q40/Q60
1016:CZ 1500
1012:CZ 1000
1008:CZ 2000
996:AS-1000
908:TC 3256
903:TC 2048
835:Amstrad
585:PC Week
444:Please
307:Amstrad
299:Pandora
289:History
227:-based
210:Display
158:1987-09
156: (
80:scholar
1269:People
1240:Currah
1074:Hobbit
1004:CP-200
986:NE-Z80
938:clones
654:Beebug
639:et seq
410:LCDs.
329:Design
188:Memory
82:
75:
68:
61:
53:
1102:Robik
1094:TK90X
1040:TK82C
389:EPROM
223:is a
87:JSTOR
73:books
1221:MB02
1098:TK95
1048:TK85
1044:TK83
982:TK80
797:ZX81
792:ZX80
787:MK14
343:CMOS
219:The
138:Type
59:news
1054:ATM
926:Z88
513:AMD
494:MiB
448:by
391:or
362:ROM
358:RAM
297:'s
225:Z80
179:CPU
42:by
1311::
1128:,
1118:,
1114:,
1104:,
1100:,
1096:,
1092:,
1088:,
1084:,
1080:,
1072:,
1068:,
1064:,
1060:,
1056:,
1046:,
1042:,
1038:,
1034:,
1030:,
1026:,
1022:,
1018:,
1014:,
1010:,
1006:,
1002:,
998:,
994:,
984:,
980:,
816:QL
808:,
692:.
674:.
656:.
635:10
633:.
629:.
606:.
587:.
583:.
564:.
552:^
399:.
397:MB
374:MB
370:OZ
354:kB
285:.
193:kB
172:OZ
1076:,
812:)
804:(
759:e
752:t
745:v
658:6
589:6
509:V
475:)
469:(
464:)
460:(
442:.
258:/
254:/
160:)
109:)
103:(
98:)
94:(
84:·
77:·
70:·
63:·
36:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
