INT 13h is shorthand for BIOS interrupt call 13hex, the 20th interrupt vector in an x86-based (IBM PC-descended) computer system. The BIOS typically sets...
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which can be indicated with a prefix 0x or with the suffix h. For example, INT 13H will generate the 20th software interrupt (0x13 is nineteen (19) in hexadecimal...
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to the drive.: 87 However, the IBM BIOS implementation defined in the INT 13h disk access routines used quite a different 24-bit scheme for CHS addressing...
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Multiple controllers can hook INT 13h at once. For instance, after the SCSI controller, an AHCI controller can also hook INT 13h by putting a call to the previous...
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INT 10h, INT 10H or INT 16 is shorthand for BIOS interrupt call 10hex, the 17th interrupt vector in an x86-based computer system. The BIOS typically sets...
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Mode 13h is the standard 256-color mode on VGA graphics hardware introduced in 1987 with the IBM PS/2. It has a resolution of 320 × 200 pixels. It was...
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within two bytes in order to facilitate making calls to the original/legacy INT 13h BIOS disk access routines, where 16 bits were divided into sector and cylinder...
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register values: INT 21h/AH=2Ah "Get system date" returned values: CX = year (1980..2099), DH = month (1..12), DL = day (1..31). INT 21h/AH=2Ch "Get system...
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geometries. This historical oddity can affect the maximum disk size in old BIOS INT 13h code as well as old PC DOS or similar operating systems: (512 bytes/sector)×(63...
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will assign a BIOS drive number to the CD drive. The drive number (for INT 13H) assigned is any of 80hex (hard disk emulation), 00hex (floppy disk emulation)...
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more sophisticated. Advanced techniques included hooking low-level disk INT 13H BIOS interrupt calls to hide unauthorized modifications to files. The first...
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functionality which the operating system depends on (particularly interrupts INT 10H and INT 13H). HP Integrity Virtual Machines provides UEFI boot on HP Integrity...
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controllers CE-ATA – Interface for small hard drives FATA (hard drive) INT 13H – BIOS interrupt call for disk access IT8212 – Parallel ATA controllerPages...
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licensed OEM Windows BIOS. Trusted Platform Module Enhanced Disk Drive (EDD) (INT 13H extensions) e820 memory map Protected mode interfaces, e.g. APM, Legacy...
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if the BPB value is set to FFh.) DH bit 5 = 0: device supported through INT 13h; else: don't care (should be zero). DH is supported by some IBM BIOSes...
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MicroHouse / StorageSoft EZ-Drive EZ-Drive, Maxtor, MaxBlast, or DriveGuide INT 13h redirector volume 56h AT&T AT&T MS-DOS 3.x Logical sectored FAT12 or FAT16...
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Enabled Boot Disk (DRFAT32). Caldera, Inc. 1998-07-24. DRFAT32.SYS R1.00 INT 13h Interface for FAT32 Redirector, Caldera, Inc., 1998-09-11 IBM; 4690 OS...
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MS-DOS applications to disk. Without it, if the real mode disk code (the Int 13h handler) was paged out, the virtual DOS machine would loop forever. 32-bit...
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charging[citation needed]. The device does not provide the BIOS service (INT 13h) for reading from a hard disk. Drivers have been partially written for...
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patching low-level BIOS interrupts such as int 13h, the low-level disk I/O interrupt. When a program issued an int 21h call to access MS-DOS, the call would...
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Boot Specification 1.01 1996/01 BIOS Enhanced Disk Drive Specification (INT 13H) 3.0 1998/04/20 Bluetooth 5.0 2010/06/30 Boot Integrity Services API 1...
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24 bits always uses 6 bits for up to 63 sectors per track (1...63), and INT 13h disk access generally uses 8 bits for up to 256 heads (0...255), leaving...
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BIOS interrupt call (redirect from INT 18h)
authorship of "well-behaved" programs that accessed hardware only through BIOS INT calls (and DOS service calls), to support compatibility of software with...
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the BIOS had a hard drive capacity limitation of 8.9 GB because of BIOS INT 13H. In July 1997, the Santa Cruz Sheriff's office purchased 29 IBM ThinkPad...
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INT (iodonitrotetrazolium or 2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyl-2H-tetrazolium) is a commonly used tetrazolium salt (usually prepared with chloride...
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Carboxyl-Carbon and α-Nitrogen from Amino Acids in Soil Hydrolysates". J. AOAC Int. 86 (6): 1106–1111. doi:10.1093/jaoac/86.6.1106. PMID 14979690.{{cite journal}}:...
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Boundary in Central Africa". Earth Interactions. 13 (8): 1–29. Bibcode:2009EaInt..13h...1M. doi:10.1175/2009EI278.1. S2CID 140640631. Loft, Ty; Stevens, Nicola;...
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magnetocaloric effect. These include Gd 5(Si xGe 1−x) 4, La(Fe xSi 1−x) 13H x and MnFeP 1−xAs x alloys. Gadolinium and its alloys undergo second-order...
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- 16). #include <stdio.h> #include <cpuid.h> int main() { unsigned int eax, ebx, ecx, edx; unsigned int lsize, assoc, cache; __cpuid(0x80000006, eax,...
208 KB (11,900 words) - 11:54, 12 October 2024