--- title: Commodore CBM 700 Series categories: - Computers types: - Professional Computer origins: - U.S.A. years: - '1983' cpus: - MOS 6509 params: name: CBM 700 Series image: /media/museum/photos/commodore_700_system_2.jpg company: /companies/commodore company_name: Commodore specs: - label: NAME value: CBM 700 Series - label: MANUFACTURER value: Commodore - label: TYPE value: Professional Computer - label: ORIGIN value: U.S.A. - label: YEAR value: '1983' - label: BUILT IN LANGUAGE value: Extended version of Microsoft BASIC 4.0 - label: KEYBOARD value: Full stroke 94 key with numeric keypad and function/programmable keys - label: CPU value: MOS 6509 (Zilog Z80 & Intel 8088 optional) - label: SPEED value: 2 MHz - label: RAM value: 128 KB (up to 896 KB) - label: ROM value: 28 KB - label: TEXT MODES value: 80 chars. x 25 lines - label: GRAPHIC MODES value: None - label: COLORS value: Monochrome - label: SOUND value: 3 voices, 9 octaves (same SID 6581 as C-64) - label: SIZE / WEIGHT value: 46 (W) x 59.5 (D) x 46 (H) cm - label: I/O PORTS value: IEEE-488, Serial RS-232, Cartridge, audio, cassette - label: BUILT IN MEDIA value: optional built-in dual floppy disc drives - label: OS value: ROM Based (CP/M or MS DOS optional) - label: POWER SUPPLY value: Built-in switching power supply unit - label: PERIPHERALS value: 2 x 170 KB or 500 KB or 1 MB 5'' floppy disc unit, 8088 or Z80 card - label: PRICE value: $2995 tabs: - photos - adverts - hardware - software - emulators - links - docs photos: - title: MODEL 701 subtitle: '' text: '' image: /media/museum/photos/commodore_700_system_1.jpg - title: DUAL FDD VERSION subtitle: '' text: '' image: /media/museum/photos/commodore_700_dualfddversion.jpg - title: TOP VIEW subtitle: '' text: '' image: /media/museum/photos/commodore_700_topview_1.jpg - title: RIGHT SIDE subtitle: '' text: '' image: /media/museum/photos/commodore_700_rightside_1.jpg - title: KEYBOARD CLOSE-UP subtitle: '' text: '' image: /media/museum/photos/commodore_700_keyboard_1.jpg - title: WITH 8250LP subtitle: '' text: The 8250LP is a dual 5.25" 1 MB floppy disk drive. LP seems to be for Low Profile (Half the height of a normal 8250) image: /media/museum/photos/commodore_700_withfddunit.jpg - title: REAR SIDE subtitle: '' text: The monitor only allows brightness adjustment. image: /media/museum/photos/commodore_700_back_1.jpg - title: REAR CONNECTORS subtitle: '' text: |- **(1)** Reset button\ **(2)** ROM cartridge connector\ **(3)** Sound output jack\ **(4)** Tape recorder connector\ **(5)** IEEE-488 connector\ **(6)** Power plug and switch\ **(7)** Serial RS-232 DB25 connector image: /media/museum/photos/commodore_700_connectors_1.jpg - title: MAIN BOARD subtitle: '' text: |- **(1)** Characters generator ROM chips\ **(2)** MOS 6525 (Tri-Port Controller)and 6526 (User-Port Controller)\ **(3)** Real-time clock magnetic shield\ **(4)** 3 BASIC EPROM's\ **(5)** RAM expansion controller and ROM\ **(6)** 128 KB RAM memory chips (here 16xFairchild 8264)\ **(7)** Second 128 KB bank, used in 702-703 versions\ **(8)** Keyboard connector\ **(9)** 6509 processor. Quite the same as a 6502 but can manage more than 64 KB of RAM\ **(10)** 6850 video processor\ **(11)** 6551 RS-232-C (V.24) controller image: /media/museum/photos/commodore_700_mainboard_1.jpg - title: BASIC ROM'S CLOSE-UP subtitle: '' text: |- Notice that 2764 28-pin EPROMS are socketted onto 24-pin sockets through an adaptor.\ Also notice that the second EPROM plastic protection is broken, but the chip is still running ;-) image: /media/museum/photos/commodore_700_basicroms_1.jpg adverts: - title: 'UK BROCHURE #1' subtitle: '' text: '' image: /media/museum/pubs/commodore_700_4pageleaflet1.jpg - title: 'UK BROCHURE #2' subtitle: '' text: '' image: /media/museum/pubs/commodore_700_4pageleaflet2.jpg - title: 'UK BROCHURE #3' subtitle: '' text: '' image: /media/museum/pubs/commodore_700_4pageleaflet3.jpg - title: 'UK BROCHURE #4' subtitle: '' text: '' image: /media/museum/pubs/commodore_700_4pageleaflet4.jpg hardware: - title: CLOCK/CALENDAR MODULE subtitle: '' text: Could be connected to any PET/CBM user port. Clock and calendar were battery backed up. image: /media/museum/hardware/commodore_pet_clockmodule_1.jpg - title: EPROM PROGRAMMER subtitle: '' text: Could burn 2716 and 2732 Eprom chips. image: /media/museum/hardware/commodore_pet_epromprog_1.jpg - title: TNW-2000 subtitle: IEEE-488 to Serial converter text: Thanks to **Pascal Rollin** image: /media/museum/hardware/commodore_pet_tnw2000_1.jpg - title: DUAL DISK-DRIVES subtitle: Model 2040 text: This dual 5.25" floppy disk is single sided, double density and has a storage capacity of 170 Kb per disk, or 360k total. It's connected to the computer through an IEEE-488 interface and uses CBM DOS 1.0. image: /media/museum/hardware/commodore_cbm2040-dualdisks_1.jpg - title: 8050 DUAL DISK-DRIVE subtitle: '' text: |- CBM PET Model 8050 Dual disk drive. It uses a 100 TPI single headed drive with a storage capacity of 533,248 bytes per drive. Each 8050 disk has 77 tracks, and is read/write compatible with the model 8250 disk. This compatibility is limited to one side of the diskette. It can be used with Commodore Series 2001, Series 3000, Series 4000 and Series 8000. It uses an IEEE-488 interface. image: /media/museum/hardware/commodore_cbm_8050_diskdrives.jpg - title: 8250-LP DUAL DRIVE UNIT subtitle: '' text: The 8250-LP (for Low Profile) uses dual half-size double-side, double-density 1 MB capacity floppy drives. The main logic board is entirely different from the full-size 8250. It uses two 6502 processors! image: /media/museum/hardware/commodore_700_8250fddunit_1.jpg - title: 9090 HARD-DISK subtitle: '' text: This is a single drive non-removeable Winchester technology storage device. It features 3 platters with recording surfaces on both sides and provides 7.5 million characters of storage. A single random access file may occupy the entire capacity. It has an IEEE interface connector and a "slow blow" fuse on the back. image: /media/museum/hardware/commodore_cbm_9090_harddisk.jpg - title: 8023P COMMODORE TRACTOR PRINTER subtitle: '' text: '' image: /media/museum/hardware/commodore_printer_8032p.jpg screenshots: - title: CALCRESULT subtitle: '' text: A Spreadsheet cartridge for the Commodore 700 series image: /media/museum/software/commodore_700_calcresultcart_1.jpg - title: WORDCRAFT subtitle: '' text: A word processor cartridge for the Commodore 700 series image: /media/museum/software/commodore_700_wordcraftcart_1.jpg emulators: - title: Versatile Commodore 8-bit Emulator (VICE) url: http://www.6502.org/users/andre/index.html platform: Windows text: '' links: - title: Larry's PET/CBM Pages url: http://www.portcommodore.com/petindex.php?path=main-cbmidx text: Excellent source of information for PET/CBM computers - title: PET index url: http://www.6502.org/users/andre/petindex/index.html text: Some useful info here about PET computers - title: The Commodore CBM-II page url: http://ca.geocities.com/SJGRAY@ROGERS.COM/CBM/ text: All things CBM-II - title: THE Independent Commodore Library url: http://freespace.virgin.net/ken.ross1/ text: All sorts of programs here, text files covering a wide range of subjects - title: TPUG - Toronto PET Users Group Inc. url: http://www.tpug.ca/ text: The Commodore PET Users Group, founded in 1979 ! (seems offline, mail us their new address if you find it) - title: www.commodore.ca url: http://www.commodore.ca/products/pet/commodore_pet.htm text: Excellent site with a lot of info about Commodore computers including dedicated PET pages - title: Web Wiz CAPTCHA url: http://www.webwizcaptcha.com text: Discussion about Commodore micros docs: - title: COMMODORE BASIC VERSION 4.0 - USER'S REFERENCE MANUAL url: http://www.commodore.ca/manuals/default.htm cover: /media/museum/docs/couvs/commodore_basic_4_users_reference%20manual.jpg text: |- [**COMMODORE BASIC VERSION 4.0 - USER'S REFERENCE MANUAL**](http://www.commodore.ca/manuals/default.htm)written by Commodore  compiled/archived by www.commodore.ca\  type of document : PDF\  source : [www.commodore.ca](http://www.commodore.ca) - title: COMMODORE PET MACHINE LANGUAGE MONITOR url: http://www.commodore.ca/manuals/default.htm cover: /media/museum/docs/couvs/pet_machine_language_monitor.jpg text: |- [**COMMODORE PET MACHINE LANGUAGE MONITOR**](http://www.commodore.ca/manuals/default.htm)written by Commodore  compiled/archived by www.commodore.ca\  type of document : PDF\  source : [www.commodore.ca](http://www.commodore.ca) comments: - author: Remi Jakobsen (Norge) date: Sunday 18th March 2018 text: |- Computers in the CBM-II series was never sold with integrated floppy drives. But probably it was planned for before at a early stage. The CBM/PET 8296D that was using similar "housing" however, was sold with integrated 8250 duel floppy drive . - author: Gagarin (USA) date: Monday 27th March 2017 text: Looking to buy one. Contact gagarinnet @ hotmail.com related: - /museum/commodore-cbm-500-600-series - /museum/commodore-cbm-80xx - /museum/commodore-pet-200 - /museum/commodore-pet-2001 - /museum/commodore-pet-30xx - /museum/commodore-pet-cbm-40xx - /museum/commodore-superpet oc_id: 952 source: url: https://web.archive.org/web/20230604013708/http://www.old-computers.com/museum/computer.asp?c=952 date: '2023-06-04' --- The Commodore 700 series featured the same hardware basis as the [600](/museum/commodore-cbm-500-600-series/) series but had a built-in tilt-and-swivel monochrome 12" monitor, a detachable keyboard and housing for two 5.25" floppy drives. It was said that the 5/6/700 cases were designed by Porsche, not the more familiar Porsche auto factory, but the separate Porsche Design firm. Three version were also available:\ • 710 (CBM 128/80 in USA): 128 KB RAM\ • 720 (CBM 256/80): 256 KB RAM\ • 730 (CBMX 256/80): 256 KB RAM and coprocessor Both versions could be purchased with a built-in dual floppy disk drive which was compatible with the external 8250 dual drive unit.