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Xinu first ran on the LSI-11 platform. A Motorola 68000 port was done by Derrick Burns in 1983. A VAX port was done in 1986 by Comer and Tom Stonecypher, an IBM PC compatible port in 1988 by Comer and Timothy Fossum, a second Motorola 68000 (Sun 3) port circa 1988 by Shawn Ostermann and Steve Chapin, a Macintosh platform port in 1989 by Comer and Steven Munson, an Intel 80486 version by John ...
Dual-ported RAM (DPRAM), also called dual-port RAM, is a type of random-access memory (RAM) that can be accessed via two different buses.. A simple dual-port RAM may allow only read access through one of the ports and write access through the other, in which case the same memory location cannot be accessed simultaneously through the ports since a write operation modifies the data and therefore ...
Figure 1: Example two-port network with symbol definitions. Notice the port condition is satisfied: the same current flows into each port as leaves that port.. In electronics, a two-port network (a kind of four-terminal network or quadripole) is an electrical network (i.e. a circuit) or device with two pairs of terminals to connect to external circuits.
This UART has 16-byte FIFO buffers. Its receive interrupt trigger levels can be set to 1, 4, 8, or 14 characters. Its maximum standard serial port speed if the operating system has a 1 millisecond interrupt latency is 128 kbit/s. Systems with lower interrupt latencies or with DMA controllers could handle higher baud rates.
Minicom is a menu-driven communications program. It also has an auto ZMODEM download. It now comes packaged in most major Linux distribution repositories such as Debian, Ubuntu and Arch Linux. A common use for Minicom is when setting up a remote serial console, perhaps as a last resort to access a computer if the LAN is down.
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The included Windows software communicates with the keyboard driver in order to send and receive MIDI data over the PS/2 line. This protocol has been partly reverse-engineered, [3] making it possible to use the Prodikeys DM on a regular USB port using an Arduino microcontroller as an adaptor.