| ELF II | |
| Manufacturer: | Netronics |
| Type: | Hobbyist computer |
| Os: | Monitor ROM |
| Power: | external power supply |
| Cpu: | 8 bit RCA 1802 |
| Memory: | 256 Bytes to 64KB via 4KB or 16KB memory expansion cards |
| Storage: | Cassette Tape |
| Memory Card: | 4KB or 16KB static RAM memory cards |
| Display: | none |
| Graphics: | 64x32 pixels, monochrome, NTSC TV output |
| Camera: | none |
| Touchpad: | HEX keypad |
The Netronics ELF II was an early microcomputer trainer kit featuring the RCA 1802 microprocessor, 256 bytes of RAM, DMA-based bitmap graphics, hexadecimal keypad, two digit hexadecimal LED display, a single "Q" LED, and 5 expansion slots. The system was developed and sold by Netronics Research and Development Limited in New Milford, CT, USA.[1]
Available hardware accessories included:
Available software included:
10 REM This program will print the number 3020 A=10,B=2030 C=A#B+40 PRINT C50 END In the code above, the "#" symbol is equivalent to the "Enter" key on a RPN calculator.
Netronics also offered:
The keyboard could be used alone to generate ASCII parallel codes. The video terminal card fit underneath the keyboard in the optional case to form a stand-alone video terminal sending and receiving serial ASCII. Either configuration could be interfaced to the ELF II through the Giant Board. The terminal kits were also marketed independently of the ELF II.
The ELF part of the name came from an earlier machine called the "COSMAC ELF", published as a construction project in Popular Electronics magazine. Improvements on its predecessor included an etched PCB, a hexadecimal keypad instead of toggle switches for program entry, the RCA CDP1861 Pixie-graphics chip, and the 5 slot 86-line bus for expansion cards.