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  • This is the Computer History Wiki ('CHWiki', for short), a knowledge base about historic computers which anyone can join in order to edit! ...wledgeable people to enter their information into some kind of a knowledge base. This is however, not the relatively formalized tone and style imposed by
    4 KB (643 words) - 19:13, 24 April 2024
  • ! Register !! Abbreviation !! Address | Bus Address Register || RKBA || 777444
    4 KB (563 words) - 13:33, 26 February 2023
  • ...ment Corporation|DEC]], in production from 1970-1990. Although the basic [[address space]] was 16 bits, most models could hold more [[main memory]] than that, ...essentially the entire [[instruction set]], allowed it to provide a two-[[address]] instruction [[architecture]], not a simple [[load-store architecture]] li
    13 KB (1,949 words) - 17:37, 29 February 2024
  • <!-- | physical address = 15 bits (32K words) --> | virtual address = 24 bits (optionally 32 on the Model 67)
    15 KB (2,167 words) - 14:58, 23 January 2024
  • : ''XENIX was originally developed on a DEC Virtual Address Extension (VAX) running the Virtual Memory System (VMS) and a PDP-11 runnin ...even incorporated the elements of BSD and became the most widely installed base of any Unix variant. Talking about the different modifications of Xenix, it
    12 KB (1,893 words) - 19:28, 21 October 2023
  • The earliest versions ran on the PDP-6, using the [[base and bounds]] [[memory management]] [[hardware]] native to that machine. Lat ...d [[front end]] [[PDP-11]]'s, their memory could be mapped into processes' address spaces, too.
    12 KB (1,926 words) - 21:29, 8 February 2024
  • at the address given below. ical contact's address supplied without use of a post office
    20 KB (3,013 words) - 04:22, 10 December 2018
  • address "tropix@tropix.nce.ufrj.br. base is necessary (at least) create the disk, 3 ½ "called
    91 KB (12,020 words) - 17:55, 13 August 2019
  • use 'localaddr=addr' to specify the host address to send packets from -rtc [base=utc|localtime|date][,clock=host|vm][,driftfix=none|slew]
    15 KB (2,245 words) - 12:58, 27 February 2024
  • qe0: DEC DELQA Ethernet Interface DEQNA-lock Mode, hardware address 08:00:2b:aa:bb:cc Copying Base System (ULTBASE400) from tape
    13 KB (1,865 words) - 18:41, 3 July 2022
  • ...ations with segment values, the real-mode .exe header includes a far start address whose segment clearly has to be a code segment. Accordingly SST marked the
    10 KB (1,619 words) - 20:45, 13 January 2024
  • ...es addresses and data which are 32 bits wide; the traditional minicomputer address space bound of 64K is gone. This memorandum describes the VAX-11/780 and th ...ce, intelligent console, and dramatically improved physical packaging. The address space of a process is divided into a few gigantic segments. Each segment is
    49 KB (7,745 words) - 14:29, 6 May 2023
  • For the installed base of COMPAQ DESKPRO 386tm owners, Microsoft announced that the Windows/386 pr ...ws/386 represents a valuable extension of benefits for the large installed base of DOS and Windows applications which can only be achieved through the uniq
    5 KB (748 words) - 18:06, 13 January 2024
  • ...change the address and recompile. Also, if the devices's interrupt vector address(es) are not currently known to the system (this is likely), then the f ...out copying. The super-block of the device has a word giving the highest address which can be allocated. For relatively small increases, this word can be
    42 KB (6,834 words) - 03:01, 17 January 2023
  • ['''address'''] [,'''count'''] ['''command'''] [;] If '''address''' is present then '''dot''' is set to '''address'''. Initially
    14 KB (2,585 words) - 14:41, 26 October 2009
  • ...t. Two [[DIP switch]]es, E90 and E34, configure the controller's [[bus]] [[address]] and [[interrupt vector]] (respectively). The controller is designed for [ ...]; two are read-only and write-only (respectively), and share the same bus address:
    3 KB (369 words) - 20:54, 31 December 2023
  • ...ddress is normally 0774500; additional unit are assigned [[floating device address space|floating addresses]]. * Jumpers W1 through W12 - Address
    2 KB (363 words) - 15:09, 24 April 2024
  • ne0 ethernet address fe:fd:00:00:00:01 at 0x300 irq 9 on isa<br> == Second boot, Base System ==
    27 KB (4,355 words) - 23:38, 26 March 2023
  • The old 8086/8088 [[CPU]]s could address 1MB of [[RAM]] on their 20-bit [[address bus]] (2^20 is 1,048,576) and this memory is chopped up into 64KB [[segment ...f operation, protected mode, which when activated would supply a virtual [[address space]] of 1GB (1,073,741,824), and a 24bit memory bus (2^24 is 16,777,216)
    5 KB (920 words) - 15:27, 1 January 2019
  • # Load the stack of address # Global descriptor table and the length of the initial address printed in the Register gdtr
    14 KB (1,991 words) - 01:23, 20 December 2018
  • is to be printed as a base 10 number. special arrangements to pass to the function the address of
    71 KB (8,839 words) - 02:18, 17 December 2018
  • add_file("base.tar", 10240); b: Base No
    8 KB (1,125 words) - 02:02, 18 November 2010
  • could not be included in the base distribution base08 The NetBSD 0.8 base binary distribution.
    34 KB (5,687 words) - 18:11, 16 December 2018
  • ...egisters are 0777560-2, and the transmitter are 0777564-6), and 060 is the base vector. It can be set to [[halt]] the [[Central Processing Unit|CPU]], or [ The first line after the console is always assigned the address 0776500, and vector 0300. Additional lines are assigned addresses and vecto
    3 KB (489 words) - 01:18, 17 February 2023
  • ...egisters are 0777560-2, and the transmitter are 0777564-6), and 060 is the base vector. The first line after the console is always assigned the address 0776500, and vector 0300. Additional lines are assigned addresses and vecto
    4 KB (684 words) - 01:20, 17 February 2023
  • ...egisters are 0777560-2, and the transmitter are 0777564-6), and 060 is the base vector. It can be set to [[halt]] the [[Central Processing Unit|CPU]] when The first line after the console is always assigned the address 0776500, and vector 0300. Additional lines are assigned addresses and vecto
    2 KB (378 words) - 19:15, 7 July 2023
  • /BASE:{address|@filename,key}
    6 KB (799 words) - 13:28, 19 October 2018
  • -BASE:{address|address,size|@filename,key} -BASE:{address|address,size|@filename,key}
    10 KB (1,224 words) - 03:20, 17 December 2018
  • drive (max. of 4 per host controller) with a unique address. This is three shock mounts which isolate the base casting from the frame is
    19 KB (2,330 words) - 14:58, 5 January 2024
  • change the address and recompile. If the devices's inter- rupt vector address(es) are different from those currently
    57 KB (8,582 words) - 03:00, 17 January 2023
  • 2.5.3.2 Effective-Address Computation 3.11.1 Address Calculation Instruction
    890 KB (107,817 words) - 03:20, 3 January 2024
  • do not require the Communications and Data Base Managers of Operating either 512KB or 640KB in the lower address space, and 1MB above the
    50 KB (7,113 words) - 03:35, 17 December 2018
  • secure from deliberate attack. No corporation will be willing to base its existing base of real mode applications.
    627 KB (92,395 words) - 03:42, 17 December 2018
  • qe0: DEC DELQA Ethernet Interface DEQNA-lock Mode, hardware address 08:00:2b:04:14:02 * Base System * Kernel Config Files
    44 KB (6,192 words) - 09:30, 29 September 2023
  • Base address:0x9000 Memory:fa040000-fa060000 fixed-address 192.168.0.67;
    12 KB (1,853 words) - 20:06, 10 December 2015
  • X * This structure contains the output queue for the interface, its address, ... X#define ds_addr ds_ac.ac_enaddr /* hardware Ethernet address */
    35 KB (6,389 words) - 02:51, 16 January 2024
  • interrupt address, whereas the Versatec itself has two need for copying the entire address space of the parent.
    113 KB (13,419 words) - 02:06, 17 December 2018
  • | physical address = 18 bits (normal), 19/20 ([[Incompatible Timesharing System|ITS]] paging b | virtual address = 18 bits
    2 KB (298 words) - 07:28, 6 September 2023
  • The [[TU58]] tape drive is connected to a DL11-type device, so the device [[address]], etc for TU58's are as for DL11's - the [[register]] addresses and [[inte ...egisters are 0777560-2, and the transmitter are 0777564-6), and 060 is the base vector.
    7 KB (1,055 words) - 17:22, 6 February 2024
  • It allows implementation of [[virtual memory]]; the [[address space]] is divided into [[page]]s, and when a reference it made to a page w ...of 64 KBytes is accessable (i.e. in the [[Central Processing Unit|CPU]]'s address space) at any one time.
    15 KB (2,571 words) - 22:23, 11 October 2022
  • ...[[architecture]]. When memory management is enabled, the basic 64 Kbyte [[address space]] of the [[PDP-11 architecture]] is divided into 8 '[[segment]]s' (th ...in 0100 (64.) byte increments. Segments can grow either up from their base address, or down; the latter to accomodate PDP-11 [[stack]]s, which typically grow
    9 KB (1,311 words) - 18:10, 2 July 2023
  • ...ctionality: when enabled, the UNIBUS map allows 8 Kbyte blocks of UNIBUS [[address space]] to be mapped to 8 Kbyte blocks (there is no ability to limit the si ...w-order register has only 15, since the block cannot be assigned to an odd address.)
    2 KB (310 words) - 04:15, 7 January 2021
  • ...cal [[main memory]], while the [[program|computation]] which is using that address space is running. ...ivate to that user/process. (Early [[memory management]] systems such as [[base and bounds]] [[register]]s provided this feature alone.)
    5 KB (876 words) - 20:01, 22 January 2024
  • The scratchpad has a built-in [[address]] multiplexor, so address lines from a variety of sources are all fed directly into it; see the "Keys ...rator which checks to see whether cycles are in the 'Simple' part of the [[address space]].)
    31 KB (4,983 words) - 18:22, 2 July 2023
  • ...choices for [[floating point]] support (full [[FP11 floating point]]): the base DCJ11 [[integrated circuit|chip]], which implements floating point using [[ ...y used diagnostic 'trick' is to store very small test programs in the Page Address Registers of the [[PDP-11 Memory Management]] unit. This is typically used
    3 KB (457 words) - 14:32, 21 February 2023
  • A '''virtual address''' is an address emitted by [[object code|code]] running when it is not running on a 'bare m Originally this protection was provided by '[[base and bounds]] [[register]]s', which allowed the entire memory of a user/proc
    963 bytes (147 words) - 21:35, 15 December 2018
  • /BASE:{address|@filename,key}
    6 KB (766 words) - 02:02, 17 December 2018
  • /BASE:{address|@filename,key}
    7 KB (835 words) - 02:03, 17 December 2018
  • /BASE:{address|@filename,key}
    7 KB (913 words) - 02:04, 17 December 2018
  • | physical address = 18 bits | virtual address = 18 bits
    3 KB (510 words) - 07:28, 6 September 2023

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