Z88 Portable - Genuine Collectors Item - RARE 1MB unit

Z88 Retro Laptop

• Z88 Rev 4 Laptop
• Refurbished and checked (30 day warranty)
• Upgraded to OZ 4.2b
• Upgraded Flash to 512Kb
• Upgraded RAM to 512Kb (total Rom / Ram 1Mb onboard)
• CD Compilation
• Runs on AA batteries (supplied)

Functional overview: http://www.rakewell.com/z88/f_overview.htm 

The most portable full-function computer ever devised. (in 1988 anyway!) Less than an inch thick, measures 11½ in x 8¼ in. Weighs under 2 lb. Comes complete with integrated set of powerful applications software: word-processing, spreadsheet, database, calculator, diary, calendar, clock, alarm, printer editor- all included in ROM. Can export, import and manipulate data from IBM- compatible PCs; converts its own applications software into Wordstar or Lotus 1-2-3 files. Extra memory comes in solid-state, interchangeable packs- only 2 1/5 in square x 3/8 in deep. No fragile disks, no bulky disk drives.		32K of RAM built in, expandable to 3 megabytes - enough to hold the complete works of Shakespeare. Permanent storage on EPROM (Erasable Programmable Read Only Memory) packs, available in 32K,128K and 256K.. 1 megabyte Flash EPROM packs are here NOW. Latest (in 1988) supertwist liquid crystal display provides large working area of 8 lines x 80 characters. RS232 port provides connection to virtually any standard printer. QWERTY keyboard has silent, short-travel keys; use in meetings, lectures, anywhere. Runs on four AA batteries. Built-in capacitor preserves data when batteries need to be changed.

Design Four-chip design - CPU, ROM. RAM, gate array.

CPU Z80 (CMOS)

ROM 128K containing operating system and applications software together with BASIC/Assembler.

RAM 32K expandable via 32K, 128K 512K and 1 megabyte to a maximum 3 megabytes, battery-backed from the computer.

EPROM/FLASH EPROM Up to 3 megabytes removable storage capacity via 32K, 128K 256K and 1 megabyte packs.

Applications software Pipedream word-processing and spreadsheet applications. Database. Calculator, diary, calendar, clock, alarms, printer editor, come as pop-down' screens.

Operating system Oz operating software,allows task-switching between applications without loading or exiting.

Language/Assembler Powerful BASIC.

Display 8 x 106 characters superIwist' LCD. Includes 8 x 80 working area, page map (shows where you are on a complete page), battery strength, alarm status.

Power 4 AA batteries provide 20 hours active computing or one year on standby.

Ports Three for memory-pack expansion, RS232 for popular printers and data import/export