Products (111)
| Title | Company |
|---|---|
| 1-3K Memory Expansion Uses static RAM. | Haven Hardware |
| 16-32-48K expanda RAM Fits inside case. | Dancer |
| 16K or 32K RAM Plans Plans to expand 1K model to 16K or ZX81 with 16K to 32K for under $30. Fits inside ZX81. | T. W. Cook |
| 16K RAM | Sinclair Research Ltd. |
| 16K RAM Gold-plated connectors and power LED. Manufactured by Indescomp. | Sinclair Place |
| 16K RAM (internal) Internal RAM expansion for keyboard. | DK’tronics |
| 16K RAM Pack No enclosure RAM pack. | Namal Associates |
| 16K RAM Pack | Dolphin Computer |
| 16K RAM Pack | Audio Vision |
| 16K RAM Pack | Suntronics |
| 16K RAM Pack | Gladstone Electronics |
| 16K RAM Pack Expansion for the Compu-board system. | Compu-Pak |
| 16K RAM Pack Available with or without a case. | DK’tronics |
| 16K RAM Pack | JRS Software |
| 16K RAM Pack | KB Enterprises |
| 16K RAM Pack Works on Sinclair power supply. | Kayde Electronic Systems Ltd. |
| 16K RAM Pack Highly crash resistant RAM pack that can be mounted inside the computer under the keyboard or plugged into the rear... | Laserscan Electronics Corp. |
| 16K RAM Pack Injection molded plastic case; overcomes wobble and disconnection problems characteristic of other units; optional extra is a keyboard sounder giving... | Ground Control |
| 16K RAM Pack RAM pack physically similar to TS 1016. Claims not to suffer from wobble. | Computer Add-Ons |
| 16K RAM Pack Expandable to 32K. | RKL Systems |
| 16K RAM plus Expansion Board 3 slots with extra power supply. 4K or 16K. | Comp Shop, Ltd. |
| 1K RAM Board Static RAM; expands internal memory to 2K. | Quicksilva |
| 256K RAM disk Upgrade to disk interface. Can be configured as RAM disk or port-mapped in 64K banks shadowing the cartridge bank. | AERCO |
| 2K Memory Upgrade Kit to increase the ZX81 to 2K. | Cosmonics |
| 2K RAM Board Static RAM; expands internal memory to 3K. | Quicksilva |
| 2K RAM Pack Static RAM expansion; works with built-in RAM. | DK’tronics |
| 2K RAM Upgrade Upgrade for 1K ZX81. Includes 2K RAM chip, socket, jumper and instructions. | Micro Logic Corp |
| 2K RAM Upgrade Internal upgrade; replaces existing RAM chips. | Powertronix Electronics |
| 2K to 24K Memory Expansion Plans to expand memory up to 24K, using 2K RAM chips, placed anywhere from 8192 to 32768. | JST Enterprises |
| 32K and 32K/64K Non-Volatile Memory RAM Board/Cartridges Plugs into the TS2068 cartridge slot. On board battery keeps it alive even when you turn the computer off. Switch... | Thomas B. Woods |
| 32K Internal RAM Modification 32k RAM inside the 2068, in the upper half of the DOCK and EXROM bank. RAM is active in the... | Zunk Custom Electronics |
| 32K RAM Gold-plated connectors and power LED. Manufactured by Indescomp. | Sinclair Place |
| 32K RAM cartridge Expansion RAM, plugs into dock slot. | Lemke Software Development |
| 32K RAM Pack Expandable to 64K. RKL joystick systems can be added to this unit. | RKL Systems |
| 32K RAM Piggy-Back Can be used standalone or with a 16K RAM for a total of 48K. | Gladstone Electronics |
| 3K RAM Board Static RAM; expands internal memory to 4K. | Quicksilva |
| 48K Memory Extension Allows ZX81 to run 48K Basic programs including up to 16K of assembly code. ZX81 sits on custom built case... | Memotech |
| 48K RAM for TS2000 Announced before 2068 launched. Manufacturer assumed 2068 would be identical to Spectrum. | Computer Add-Ons |
| 48K RAM Pack | RKL Systems |
| 4K RAM Pack Static RAM expansion; works with built-in RAM. | DK’tronics |
| 64K Dynamic RAM 64K DRAM board for the TS1000, TS1500 or ZX81. Special features of this memory include: 8-12K on/off switch 12-16K on/off... | John Oliger Co. |
| 64K RAM Gold-plated connectors and power LED. Manufactured by Indescomp. | Sinclair Place |
| 64K RAM (internal) Internal RAM expansion for keyboard. | DK’tronics |
| 64K RAM Pack | CompuTech & Software Industries, Inc. |
| 64K RAM Pack No enclosure RAM pack. 4K pages can be switched off. | Namal Associates |
| 64K RAM Pack | Dolphin Computer |
| 64K RAM Pack | Audio Vision |
| 64K RAM Pack Available with or without a case. 8-16K area available. | DK’tronics |
| 64K RAM Pack Metal case, snug fit for no wobble. | Gladstone Electronics |
| 64K RAM Pack Expansion for the Compu-board system. | Compu-Pak |
| 64K RAM Pack | BARLOG Software |
| 64K RAM Pack | Suntronics |
| 64K RAM Pack | JRS Software |
| 64K RAM Pack Self-contained memory expander, housed in metal. | Sunflower Systems |
| 64K RAM Pack RAM pack similar in shape to the TS 1016. Claims not to suffer from wobble. | Computer Add-Ons |
| 64KT/64KZ 64K RAM upgrades which mount inside the TS 1000 or ZX81. Installs in a minute with no soldering, and easy... | Independence Research |
| 6K memory (internal) Add 4K or 6K RAM internally. | Zodex |
| 8K RAM pack | DK’tronics |
| Add on RAM for ZX80 instructions Complete schematic, parts list, sources, and how-to. | Dennis Weber |
| Complete Memory Plans Documentation packet that covers memory pack troubleshooting. Includes plans for constructing your own memory pack, EPROM reader and extending the... | Spectra Computer Products |
| CRAMIC-81 16K RAM pack using CMOS 6116 static RAM chips for permanent data retention. Data can be stored almost indefinitely and... | Cambridge Microelectronics |
| Decoder Fits inside the ZX80/ZX81 and remaps internal RAM to 8-9K or 9-10K. For use with external RAM pack. | John Oliger Co. |
| Delta Device Non-volatile memory designed by Wilf Rigter. 32K RAM with Rigter Operating System (ROS). File-handling system in less than 600 bytes.... | Weymil Corporation |
| Downsway 16K RAM Pack Fully cased and compatible RAM pack. | Downsway Electronic Ltd |
| Downsway 64K Memory | Downsway Electronic Ltd |
| Econo Tech 16K RAM Pack Budget model 16K RAM supplied without case, gold-plated contacts. Designed to prevent wobble. | EconoTech |
| FD16K RAM Memory expansion that fits inside the Fuller keyboard and requires the Fuller motherboard. | Fuller Micro Systems |
| FD64K RAM Memory expansion that fits inside the Fuller keyboard and requires the Fuller motherboard. | Fuller Micro Systems |
| Hardwire RAM Pack Kit and instructions to permanently connect RAM pack to computer. | Indiana Software Group Inc. |
| Hunter 8K Nonvolatile CMOS RAM/EPROM Up to 8K RAM or EPROM; works with 16K RAM packs. Store your own system utilities or build a library... | Hunter Electronics |
| Internal 16K RAM Expansion PC board and instructions. Instructions, $7.95. | Independence Research |
| Jigsaw 16K RAM Can be used with Jigsaw 32K Plus to upgrade to 48K. LED power indicator. | Gladstone Electronics |
| Jigsaw 32K RAM 32K RAM operates in tandem with a 16K to provide up to 48K RAM. Compatible with the Data-Assette ZX99. LED... | Gladstone Electronics |
| Jigsaw 64K RAM 64K RAM extends usable memory to 56K. LED power indicator. | Gladstone Electronics |
| LARKEN RAMdisk Expands the 2068 with up to 256K of nonvolatile RAM. Includes LKDOS Extended BASIC cartridge and memory board that attaches... | LARKEN Electronics |
| M-16 Memory Module Stackable with Sinclair RAM or other M-16 modules to 48K. | Byte-Back Co |
| M-48 Memory Module 48K RAM module. | Byte-Back Co |
| M-64 Memory Module Low power, no extra power supply required. Area from 8-16K can be switched out in 2K increments to accommodate memory-mapped... | Byte-Back Co |
| MEMIC-81 Contains one or two 2K (6116) CMOS RAM chips. Memory is addressed into the ROM area from 8K-16K in the... | Cambridge Microelectronics |
| Memopak 16K 16K RAM unit expansion capabilities through its piggy back connection and is fully compatible with Timex or Memotech 16Ks to... | Memotech |
| Memopak 32K The 32K Memopak could be combined with a 16K RAM for 48K RAM. It was initially incompatible with the 2040... | Memotech |
| Memopak 64K | Memotech |
| Memory board with I/O 16K or 32K and two 8-bit LS TTL input ports and two 8-bit latching output ports. | Wisconsinc Electronics |
| Minimap Memory mapping device to expand address space from 64K bytes to 1 megabyte. Organized into vertical 64K pages. Up to... | BASICare Microsystems, Inc. |
| MX-16 16K RAM Expansion plus power supply. | INSIGHT |
| MX-16 RAM Expansion RAM pack. | PM Enterprises |
| MX-48 RAM 48K expansion memory; with power supply. | PM Enterprises |
| MZ512K 512K RAM expansion for the Sinclair QL featuring no wait-state memory and full through port. | Matthew Zenkar |
| QS 16K RAM Cased dynamic RAM expansion. | Quicksilva |
| RAM 08 Low cost memory expandable from 2K to 8K. Located in an address space not used by BASIC. Ideal for data... | BASICare Microsystems, Inc. |
| RAM 16 16K memory module. On-board address decoding permits simultaneous use of many RAM 16 modules in conjunction with Minimap. A module... | BASICare Microsystems, Inc. |
| RAM 64 Arranged in 4 blocks of 16K; all can be used under MINIMAP control. On board address decoding allows simultaneous use... | BASICare Microsystems, Inc. |
| RAM Adaptor Board Adapts Sinclair RAM pack to fit inside Fuller case. | Fuller Micro Systems |
| RAM for TS2000 Announced before 2068 launched. Manufacturer assumed 2068 would be identical to Spectrum. | Computer Add-Ons |
| RAMPAK 16 Flat RAM module. 16K. | Micro Systems Development |
| RAMPORT Integrated expansion system. Analog, digital I/O ports and 16K RAM expansion on one card. | Componedex Ltd. |
| SCRAM Board Improved version of Hunter board. Comes with battery-backup to make memory non-volatile. Developed with Larken Electronics to support Silicon Mountain’s... | Silicon Mountain Computers |
| SCRAM-Wich SCRAM board with two 8K static RAM chips, mapped to the normal 16-32K RAM region. Top 8K can be switched... | Silicon Mountain Computers |
| SIN 16 Efficient design, uses less power. Gold-plated, heavy-duty connector prevents glitches. | Apropos Technology |
| Strip down Prevent RAM wobble. | Commonwealth Agency, The |
| SUPER SIN64 64K RAM 8-16K range can switch in/out. | Apropos Technology |
| The Incremental 1.1 Fits inside computer; plugs in, no soldering; up to 16K in increments of 2K. Uses 6116 static RAM. | East London Robotics |
| The Lip 16K RAM “The LIP” locks on to prevent the wobbles. | Sinclair Place |
| TS 1016 RAM pack Timex’s version of the Sinclair ZX81 16K RAM pack for the Timex/Sinclair 1000. This, and the Sinclair unit, were famous... | Timex Computer Corporation |
| TS 1016S RAM Pack Prototype RAM expansion module. Internal circuit board marked “TS-1032 REV A.” Has 16 AM9016EPC 16K x 1 bit RAM chips,... | Timex Computer Corporation |
| UM-16 16K RAM Pack “Ultimate memory” RAM pack. Battery backup, reset switch, PROM/ROM socket. | Byte-Back Co |
| UM-64 64K RAM Pack 64K RAM pack with additional features. 8-16K area selectable in 2K increments. EPROM socket for 2K/4K. Battery backup (6 AA... | Byte-Back Co |
| ZX-Panda Contoured case fits snugly against the rear of the computer. LED power indicator. Expandable to 32K with plug-in module that... | Data-assette |
| ZX-Panda Expansion Module Plug-in module for 16K Panda, extending the memory to 32K. | Data-assette |
| ZX81 2K upgrade Kit including instructions and IC socket. | Micro Basics |
| ZX81 2K Upgrade Kit Double on-board memory to 2K. | J. Balogh |
Downloadable Files (1)
| Title | Type | Company | Download |
|---|---|---|---|
| How To Enjoy an Expanded Timex 2068 | Article | Download |