The MAX-80 is a personal computer released in 1982 by Lobo Systems (formerly Lobo Drives International, a company from California).[1][2] It differed from other TRS-80 compatible computers in that it was not hardware compatible with the TRS-80.[3][1]
The MAX-80 featured a ZilogZ80-BCPU which ran at 5.07 MHz, a very fast speed for its time. It came standard with 64KB of RAM, and was expandable via sockets for a further 64KB.
The standard configuration originally consisted of a 64KB unit (later 128KB) and CP/M. The user could buy a complete system, or provide their own monitor and disk drives.[3]
The floppy disk controller could handle 8-inch drives using the standard IBM 3740 format in single-sided or double-sided modes, as well as 5.25-inch floppy drives with up to 80 cylinders. The Max-80 included a hard disk interface and two RS-232 serial ports. The MAX-80's character generator was user programmable.[1]
Softwareedit
Up to 95% of TRS-80 Model III software would function without modification on the MAX-80. This did not include games. The special version of LDOS used was able to run most Model III programs with a patch disk available for those, such as VisiCalc, which it couldn't. The CP/M operating system was offered as well.[3]
A patched version of the TRS-80 Model 4's LS-DOS 6.x operating system was later made available for the MAX-80. This was called MAXDOS.[3]
Communityedit
A users' group called MAXIMUL published a MAX-80 newsletter.[4] MAXIMUL actually outlived Lobo Systems, lasting until 1989.[3]
Receptionedit
Jerry Pournelle wrote in September 1983 that if the Max-80 came with more bundled software "it would be a strong contender for the best deal in microcomputerland. As it is, it's a lot of machine for the money". He recommended that customers join Maximul.[4]
^ abcdeReed, Matthew. "The Lobo MAX-80". Retrieved 2010-11-24.
^ abPournelle, Jerry (September 1983). "Eagles, Text Editors, New Compilers, and Much More". BYTE. p. 307. Retrieved 2019-04-07.
External linksedit
Lobo MAX-80 at Oldcomputers.net
The Lobo MAX-80 at trs-80.org
LDOS and Me- By Tim Mann
January 01, 1970
personal, computer, released, 1982, lobo, systems, formerly, lobo, drives, international, company, from, california, differed, from, other, compatible, computers, that, hardware, compatible, with, manufacturerlobo, systemstypepersonal, computerrelease, date198. The MAX 80 is a personal computer released in 1982 by Lobo Systems formerly Lobo Drives International a company from California 1 2 It differed from other TRS 80 compatible computers in that it was not hardware compatible with the TRS 80 3 1 Max 80ManufacturerLobo SystemsTypePersonal computerRelease date1982 42 years ago 1982 MediaExternal disk driveOperating systemLDOS and CP MCPUZilog Z80 B 5 07MHzMemory64K 128K maxRemovable storageFloppy DisksDisplayComposite video out 64x16 or 80x24 characters Contents 1 Hardware 2 Software 3 Community 4 Reception 5 References 6 External linksHardware editThe MAX 80 featured a Zilog Z80 B CPU which ran at 5 07 MHz a very fast speed for its time It came standard with 64KB of RAM and was expandable via sockets for a further 64KB The standard configuration originally consisted of a 64KB unit later 128KB and CP M The user could buy a complete system or provide their own monitor and disk drives 3 The floppy disk controller could handle 8 inch drives using the standard IBM 3740 format in single sided or double sided modes as well as 5 25 inch floppy drives with up to 80 cylinders The Max 80 included a hard disk interface and two RS 232 serial ports The MAX 80 s character generator was user programmable 1 Software editUp to 95 of TRS 80 Model III software would function without modification on the MAX 80 This did not include games The special version of LDOS used was able to run most Model III programs with a patch disk available for those such as VisiCalc which it couldn t The CP M operating system was offered as well 3 A patched version of the TRS 80 Model 4 s LS DOS 6 x operating system was later made available for the MAX 80 This was called MAXDOS 3 Community editA users group called MAXIMUL published a MAX 80 newsletter 4 MAXIMUL actually outlived Lobo Systems lasting until 1989 3 Reception editJerry Pournelle wrote in September 1983 that if the Max 80 came with more bundled software it would be a strong contender for the best deal in microcomputerland As it is it s a lot of machine for the money He recommended that customers join Maximul 4 References edit a b c The Lobo MAX 80 www trs 80 org Retrieved 2023 03 27 LOBO DRIVES INTERNATIONAL opencorporates com Retrieved 2023 03 27 a b c d e Reed Matthew The Lobo MAX 80 Retrieved 2010 11 24 a b Pournelle Jerry September 1983 Eagles Text Editors New Compilers and Much More BYTE p 307 Retrieved 2019 04 07 External links editLobo MAX 80 at Oldcomputers net The Lobo MAX 80 at trs 80 org Lobo Drives International MAX 80 at Old Computers com LDOS and Me By Tim Mann Retrieved from https en wikipedia org w index php title Max 80 amp oldid 1146882376, wikipedia, wiki, book, books, library,
