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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 by4 KB (643 words) - 19:13, 24 April 2024
- ! Register !! Abbreviation !! Address | Bus Address Register || RKBA || 7774444 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]] li13 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, it12 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 office20 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 "called91 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 tape13 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 the10 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 is49 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 uniq5 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 be42 KB (6,834 words) - 03:01, 17 January 2023
- ['''address'''] [,'''count'''] ['''command'''] [;] If '''address''' is present then '''dot''' is set to '''address'''. Initially14 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 - Address2 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 gdtr14 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 of71 KB (8,839 words) - 02:18, 17 December 2018
- add_file("base.tar", 10240); b: Base No8 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 vecto3 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 vecto4 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 vecto2 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 is19 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 currently57 KB (8,582 words) - 03:00, 17 January 2023
- 2.5.3.2 Effective-Address Computation 3.11.1 Address Calculation Instruction890 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 the50 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 Files44 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 bits2 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 grow9 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 used3 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/proc963 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 bits3 KB (510 words) - 07:28, 6 September 2023