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The memory arbitrator could bank switch the second 128 KiB bank on the card to other banks, allowing the XT Intel 8088 processor to address all the RAM on the 370PC-M card. [4] Besides the 416 kB of usable RAM for S/370 applications, the XT/370 also supported up to 4 MB of virtual memory using the hard drive as its paging device.
This insertion of a memory window into the peripheral address space could originally be accomplished only through specific expansion boards, plugged into the ISA expansion bus of the computer. Famous 1980s expanded memory boards were AST RAMpage, IBM PS/2 80286 Memory Expansion Option, AT&T Expanded Memory Adapter and the Intel Above Board ...
Extended memory is located above 1 MB, includes the high memory area, and ends at 16 MB on the Intel 286 and at 4 GB on the Intel 386DX and later.. In DOS memory management, extended memory refers to memory above the first megabyte (2 20 bytes) of address space in an IBM PC or compatible with an 80286 or later processor.
386 MAX (originally 386 to the Max, later Qualitas MAX) is a computer memory manager for DOS-based personal computers. [1] It competed with Quarterdeck's QEMM memory manager. It was manufactured by Qualitas. BlueMax was a special version designed for the IBM PS/2 with ROM compression to get the most of the Upper Memory Blocks.
To be used efficiently, all computer software needs certain hardware components or other software resources to be present on a computer. [1] These prerequisites are known as (computer) system requirements and are often used as a guideline as opposed to an absolute rule. Most software defines two sets of system requirements: minimum and recommended.
That month the company introduced the Blue Chip PC AT, an AT-compatible with an Intel 80286 running at a user-switchable 8- or 10-MHz clock speed, 1 MB of RAM (expandable to 16 MB), a single 1.2 MB 5.25-inch floppy drive, an optional 40- or 80-MB hard disk drive, integrated EGA graphics, a 12-inch monochrome monitor, and keyboard. Its base ...
Panasonic Corporation released the Executive Partner in late July 1985, [7] supported by a network of 78 value-added resellers and numerous retail outlets. [6] It was released a year after Panasonic's somewhat heavier Senior Partner portable computer, which also features a built-in thermal printer. [9]
Some RAM drives when used with 32-bit operating systems (particularly 32-bit Microsoft Windows) on computers with IBM PC architecture allow memory above the 4 GB point in the memory map, if present, to be used; this memory is unmanaged and not normally accessible. [2] Software using unmanaged memory can cause stability problems.