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The original IBM PC could be equipped with as little as 16 KB of RAM and typically had between 64 and 640 KB; depending on the amount of equipped memory, the computer's 4.77 MHz 8088 required between 5 seconds and 1.5 minutes to complete the POST and there was no way to skip it.
Mercury — Microsoft Windows CE 2.0, Handheld PC 2.0; Mercury — Sega Game Gear; Mercury — Sun encryption card; Merl — Merlin — Adobe Photoshop 2.5 for Mac; Merlin — IBM OS/2 Warp 4.0; Merlin — Hewlett-Packard HP-75D; Merlin — Microsoft Windows CE 3.0, Pocket PC 2002; Merlin — Sun 18.1" flat panel; Merom — Intel Core 2 Duo ...
Most also report POST errors with audible beeps, if a PC speaker is attached. Such motherboards make POST cards less necessary. When these diagnostic cards were first introduced motherboards were expensive and well worth troubleshooting and repairing. By the late twentieth century large scale integration, mass production made motherboards ...
Programming the PC Speaker, by Mark Feldman for PC-GPE. Programming the PC Speaker, by Phil Inch: part 1, part 2 (includes a very detailed explanation of how to play back PCM audio on the PC speaker, and why it works) Bleeper Music Maker A freeware to use the PC speaker to make music (superseded by BaWaMI) Beep for Linux and Windows, by Frank ...
The Chimes of Death are the Macintosh equivalent of a beep code on IBM PC compatibles. On all Macintosh models predating the adoption of PCI and Open Firmware, the Chimes of Death are often accompanied by a Sad Mac icon in the middle of the screen (more information about the Sad Mac is above). Different Macintosh series have different death chimes.
PC—Personal Computer; PCB—Printed Circuit Board; PCB—Process Control Block; PC DOS—Personal Computer Disc Operating System; PCI—Peripheral Component Interconnect; PCIe—PCI Express; PCI-X—PCI Extended; PCL—Printer Command Language; PCMCIA—Personal Computer Memory Card International Association; PCM—Pulse-Code Modulation
Researchers Anibal Sacco [75] and Alfredo Ortega, from Core Security Technologies, demonstrated how to insert malicious code into the decompression routines in the BIOS, allowing for nearly full control of the PC at start-up, even before the operating system is booted. The proof-of-concept does not exploit a flaw in the BIOS implementation, but ...
The Memory Reference Code ... 8 It is the part of an Intel motherboard's firmware that determines how the computer's memory ...