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The page "Memory-mapped I" does not exist. You can create a draft and submit it for review or request that a redirect be created, but consider checking the search results below to see whether the topic is already covered.

Memory-mapped I/O and port-mapped I/O
Memory-mapped I/O (MMIO) and port-mapped I/O (PMIO) are two complementary methods of performing input/output (I/O) between the central processing unit...

17 KB (2,288 words) - 01:44, 18 November 2024
Memory-mapped file
yet mapped into the process's virtual memory space. In some circumstances, memory mapped file I/O can be substantially slower than standard file I/O. Another...

17 KB (2,011 words) - 16:08, 17 June 2025
Volatile (computer programming) (section Example of memory-mapped I/O in C)
hardware devices via memory-mapped I/O (where you can send and receive messages from peripheral devices by reading from and writing to memory). Support for these...

22 KB (2,142 words) - 07:47, 9 August 2025
Input–output memory management unit
to physical addresses, the IOMMU maps device-visible virtual addresses (also called device addresses or memory mapped I/O addresses in this context) to...

12 KB (1,307 words) - 00:46, 15 February 2025
Input/output (redirect from I/O interface)
CPU/memory combo, for example by reading data from a disk drive, is considered I/O. The CPU and its supporting circuitry may provide memory-mapped I/O that...

8 KB (984 words) - 15:30, 29 January 2025
Programmed input–output (redirect from Port-mapped IO)
direct memory access (DMA) operations, the CPU is uninvolved in the data transfer. The term can refer to either memory-mapped I/O (MMIO) or port-mapped I/O...

5 KB (595 words) - 00:54, 28 January 2025
Upper memory area
peripherals, memory-mapped I/O, and obsoleted ROM BASIC. However, even with video RAM, the ROM BIOS, the Video BIOS, the Option ROMs, and I/O ports for...

10 KB (1,414 words) - 23:54, 5 May 2025
Memory type range register
shadowing of ROM contents in memory (shadow ROM), and the configuration of memory-mapped I/O. In early x86 architecture systems, especially where the cache was...

5 KB (658 words) - 01:19, 14 April 2025
Memory barrier
was intended to allow C and C++ programs to directly access memory-mapped I/O. Memory-mapped I/O generally requires that the reads and writes specified in...

12 KB (1,390 words) - 16:10, 19 February 2025
Host controller interface (USB, Firewire)
[citation needed] UHCI is configured with port-mapped I/O and memory-mapped I/O, and also requires memory-mapped I/O for status updates and for data buffers...

9 KB (1,054 words) - 00:22, 26 March 2025
Unibus
direct memory access (DMA) and made the construction of device drivers easier as control and data exchange was all handled through memory-mapped I/O. Unibus...

6 KB (665 words) - 21:07, 18 February 2025
Lightning Memory-Mapped Database
Free and open-source software portal Lightning Memory-Mapped Database (LMDB) is an embedded transactional database in the form of a key-value store. LMDB...

31 KB (3,314 words) - 01:41, 21 June 2025
Memory mapping
storage Port-mapped I/O, a method complementary to Memory-mapped I/O This disambiguation page lists articles associated with the title Memory mapping. If...

604 bytes (118 words) - 08:31, 1 April 2016
Physical address (category Computer memory)
particular storage cell of main memory, or a register of memory-mapped I/O device. In a computer supporting virtual memory, the term physical address is...

4 KB (414 words) - 19:40, 5 January 2025
System bus
for mass-produced minicomputers, and memory-mapped I/O into the memory bus, so that the devices appeared to be memory locations. This was implemented in...

13 KB (1,661 words) - 11:25, 10 August 2025
3 GB barrier (category X86 memory management)
least some, if not all, of their host control interfaces via a set of memory-mapped I/O locations (MMIO). The address space in which these MMIO locations...

18 KB (2,109 words) - 19:17, 13 November 2024
Memory management unit
1 MiB (1024 KiB) of physical memory (and memory-mapped i/o). (Optional expanded memory hardware can add bank-switched memory under software control.) Later...

49 KB (7,060 words) - 18:50, 8 May 2025
VESA Local Bus
accelerated memory-mapped I/O and DMA, while still using the familiar ISA bus to handle basic device duties such as interrupts and port-mapped I/O. Some high-end...

14 KB (1,761 words) - 08:51, 9 December 2024
Mmap (section Memory visibility)
POSIX-compliant Unix system call that maps files or devices into memory. It is a method of memory-mapped file I/O. It implements demand paging because...

10 KB (1,155 words) - 08:10, 14 May 2025
Direct memory access
synchronization Channel I/O – High-performance input/output architecture DMA attack – Cyberattack exploiting high-speed expansion ports Memory-mapped I/O – Method...

28 KB (3,924 words) - 17:05, 11 July 2025

Texts from Wikisource
Memory: How to Develop, Train, and Use It/Chapter 13
Memory: How to Develop, Train, and Use It by William Walker Atkinson 3867100Memory: How to Develop, Train, and Use ItWilliam Walker Atkinson Layout 2
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Quotes from Wikiquote
Memory
Memory is the human faculty by which past events and information are remembered. Arranged alphabetically by author or source: A · B · C · D · E · F · G
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Textbooks from Wikibooks
Embedded Systems/Memory
often put into effect because the memory bus is frequently much faster than the I/O bus. Another reason that memory mapped I/O might be used is that the architecture
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