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Topic: 486SX


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  Olympus MIC-D: Integrated Circuit Gallery - Intel 486SX Microprocessor
While the 80486 (DX version) is basically an enhanced 386 with an internal cache and math coprocessor, the Intel 486SX is the "economy model" lacking the math processor and internal cache.
The Intel 486SX central processing unit (CPU) was released in September 1991 in three models with different clock speeds: 16 MHz, 20 MHz, and 25 MHz versions.
The 486SX microprocessor is referred to by some users as "cripple ware": hardware that is deliberately disabled by the manufacturer and which can supposedly be upgraded to the more expensive model (the 486DX in this case) by some trivial change such as removing a jumper.
www.olympusmicro.com /micd/galleries/chips/intel486sxb.html   (354 words)

  
 Intel from FOLDOC   (Site not responding. Last check: 2007-10-13)
The Intel 486SX is effectively a DX with the FPU disabled.
The Intel 487SX is a 486DX with a 486SX pinout.
Although the 486SX is completely disabled when you install a 487SX, the 487SX design requires that you leave the 486SX in your PC [why?], rather than use it elsewhere.
www.instantweb.com /foldoc/foldoc.cgi?Intel   (3749 words)

  
 [No title]
Intel 486SX - This is the bottom of the line, of Intel chips, coming in 16, 20, 25, and 33 mhz version's, it caused quite a bit of confusion among people when first released.
This is not so in the 486SX, it has a full 32bit architecture, and an optimized instruction set, complete with 8k of internal cache.
What an Overdrive does is plugs into a 486SX Motherboard, and turns a 486SX-25 into a 486DX2- 50 (slightly slower than a DX2-50) and is now also available for 486DX's to turn a 486DX-25 into a 486DX2-50, and a 486DX- 33 into a 486DX2-66.
www.textfiles.com /magazines/TNA/tna001.txt   (922 words)

  
 Test lab
The 486SX microprocessor has a 32-bit path internally and externally (unlike the 386SX, which has only a 16-bit external path), it runs faster than the 386s we tested, and it contains a highly efficient internal cache.
The only difference between the 486SX and the 486DX is that the 486SX lacks the latter's built-in math coprocessor.
These 486SX systems pack so much power, performance, and value that your only question may be which system to buy.
www.atarimagazines.com /compute/issue148/6_Test_lab.php   (682 words)

  
 Intel 80486SX
Note that this is a different kind of difference between the SX and DX versions than is the case with the 386; the 386SX and 386DX both had no coprocessor and the 386SX had narrower data and address buses than the 386DX.
Since it is the same chip except for the floating point processor, the 486SX has the same advantages over the 386 that the 486DX does.
Note that the 486SX was made available in slower clock speeds than the 486DX; the SX comes in 16, 20, 25 and 33 MHz versions, while the DX is 25, 33 and 50 MHz.
www.pcguide.com /ref/cpu/fam/g4I486SX-c.html   (598 words)

  
 Intel 486SX from FOLDOC   (Site not responding. Last check: 2007-10-13)
If testing showed that the CPU was OK but the FPU was defective, the FPU's power and bus connections were destroyed with a laser and the chip was sold cheaper as an SX, if the FPU worked it was sold as a DX.
Aopen 486SX, allowed a DX to be plugged into an expansion socket.
A board jumper would disable the SX which was hard to remove because it was surface mounted.
www.instantweb.com /foldoc/foldoc.cgi?Intel+486SX   (234 words)

  
 Cyrix Cx486DLC - Wikipedia, the free encyclopedia
The Cyrix Cx486DLC was an early 486 CPU from Cyrix, intended to compete with the Intel 486SX and DX.
Like the 386 and 486SX, it had no on-board math coprocessor, but unlike the 486SX, it could make use of an Intel 387DX or compatible coprocessor.
While some advertisements in PC magazines from smaller manufacturers touted the superiority of their 486DLC over name-brand computers sporting a 486SX, in reality the only advantage the 486DLC offered over the 486SX was the ability to add an inexpensive math coprocessor.
en.wikipedia.org /wiki/Cyrix_Cx486DLC   (408 words)

  
 Computing.Net - Install probs with Win 95 on 486SX 25Mhz
The machine is a 486SX 25mhz with 600K and 3MB of extended memory.
The virtual memory may be thrashing because of the RAM limit.
My mother started using a computer at 81 and now she has a scanner, printer, email and Internet access and a second game computer in another room as a diversion for kids who would otherwise be messing with her machine.
www.computing.net /windows95/wwwboard/forum/107086.html   (560 words)

  
 SV: SV: 486sx rh5.1 install IDE drive problem
It is clear that RH doesn't see your drive; that's why you get the message about.
november 1998 17:09 > Til: redhat-install-list redhat com > Emne: Re: SV: 486sx rh5.1 install IDE drive problem > > The drive is clean, I formatted it in the bios.
november 1998 21:57 > > > Til: redhat-install-list redhat com > > > Emne: 486sx rh5.1 install IDE drive problem > > > > > > I hope this is not a dumb question, > > > I have tried to look through the archives and have not found much...
www.redhat.com /archives/redhat-install-list/1998-November/msg00456.html   (723 words)

  
 Sager 486SX Battery – eBatts.com   (Site not responding. Last check: 2007-10-13)
battery is 100% compatible with the Sager 486SX battery.
Hi Capacity batteries are designed with the finest components available.
Guaranteed to meet or exceed OEM specifications for Sager 486SX Battery.
www.ebatts.com /sager_486sx_laptop_batteries_part_rb-129.aspx   (79 words)

  
 Re: Debian on a 486sx thru PCMCIA NIC
The kernel works even on the SX but the diskettes should really be the vanilla flavor.
The way I usually bypass not having a cd on a laptop is that I install the drivers, configure pcmcia, install the nic (usually from the console) and then just configure the network.
Previous by thread: Debian on a 486sx thru PCMCIA NIC
lists.debian.org /debian-laptop/2003/11/msg00003.html   (306 words)

  
 Intel from FOLDOC
Nearby terms: Intel 486 « Intel 486DX « Intel 486SX « Intel 487SX » Intel 8008 » Intel 80186 » Intel 80188
Nearby terms: Intel 486DX « Intel 486SX « Intel 487SX « Intel 8008 » Intel 80186 » Intel 80188 » Intel 80286
Nearby terms: Intel 486SX « Intel 487SX « Intel 8008 « Intel 80186 » Intel 80188 » Intel 80286 » Intel 80386
foldoc.org /foldoc/foldoc.cgi?Intel   (4390 words)

  
 [No title]
These new models are based on Micro Channel (R) architecture and utilize the new i486SX (1) (486SX) 25MHz microprocessor.
The 486SX consists of a 32-bit 486 processor without the integrated numeric co-processor unit.
However, due to the higher speed of the 486SX processor in the Model 90 XP 486 systems, some timing sensitive software may require modification.
www.gilanet.com /Ohlandl/9590/191-195.txt   (3584 words)

  
 Sager 486SX Laptop Accessory - Sager 486SX Laptop Accessory Products from AtBatt.com   (Site not responding. Last check: 2007-10-13)
We have not yet identified Sager 486SX Battery replacements.
We have simply the best service around to help assist you if you are not finding what you are looking for.
Finding the correct Sager 486SX Laptop Accessory is a task we take seriously by providing many steps that assist you directly.
www.atbatt.com /laptop-accessories/b/Sager/m/486SX.asp   (414 words)

  
 Sager 486SX Power Supply Provided by AtBatt.com   (Site not responding. Last check: 2007-10-13)
Sager 486SX Power Supply from At Battery Company comes with minimum 1 year direct warranty and 100% compatibility guarantee.
However, if you smell any burning of plastic or metal and/or you can see melting in the adapter casing or line, immediately unplug your cord from the power outlet and take your adapter and laptop in for immediate servicing.
Sager, 486SX, and the Sager Family logo are registered trademarks of Sager™.
www.atbatt.com /computer-power-supply/b/Sager/m/486SX.asp   (370 words)

  
 installation linux sur un 486sx 25mhz   (Site not responding. Last check: 2007-10-13)
Elargir la recherche pour « installation linux sur un 486sx 25mhz »
J'ai essayer d'installer mandrake 9.2 sur un bon vieux 486sx à 25mhz mais l'instalation s'arrete faute d'un processeur assez puissant.
Je tourne avec 8mo de RAM, 3298Mo de DD(je peux passer a 1,2G si besoin) une bonne vieille cirruis logic en ccarte graphique...
www.commentcamarche.net /forum/affich-1100602-installation-linux-sur-un-486sx-25mhz   (1086 words)

  
 RE: [MLUG] 486SX lease on life? - MLUG   (Site not responding. Last check: 2007-10-13)
I'm using Slackware 7 on a laptop with that processor with no problems.
Prev by Date: Re: [MLUG] 486SX lease on life?
Previous by thread: Re: [MLUG] 486SX lease on life?
mlug.missouri.edu /list-archives/members/2002-04/msg00029.php3   (183 words)

  
 can I use a 486sx compaq presario as a linux router - LinuxQuestions.org
A week back, I found a 1993 compaq presario in a storage locker.
I wondered if I could install linux on it and set it up as a router.
It has a 486sx cpu, 16mb ram, 213mb hdd, a stiffy drive and two ISA slots - one isa is free, the other has a modem card in it - no network cards as yet - I'll try to find some old ones at the hardware recycling plant near here.
www.linuxquestions.org /questions/showthread.php?t=190500   (571 words)

  
 Indiana far worse at Pi than Intel's 486SX
Join the INQbot Mail List for a weekly guide to our news stories: Subscribe/unsubscribe here.
HOWEVER BAD Intel's 486SX is/was at calculating the value of Pi, it appears that the US state of Indiana was far worse.
A bill passed in Indiana in 1897 apparently decided to plump on the value of Pi as 3.2, although various other numbers are suggested.
www.theinquirer.net /?article=9363   (189 words)

  
 Shopping.com - Shopping made simple
AST (690012) AC Adapter for Explorer 486SX, 25
LENMAR COMMAX 486SX ULTRA TS30E/CH 12V 2.7AH (LBOH240M) Battery
Battery Biz AST Bravo 486SX CMOS battery (B116AZ122517)
www.shopping.com /xGS-486sx   (537 words)

  
 Intel 486SX - OneLook Dictionary Search
We found one dictionary with English definitions that includes the word Intel 486SX:
Tip: Click on the first link on a line below to go directly to a page where "Intel 486SX" is defined.
Intel 486SX : Free On-line Dictionary of Computing [home, info]
www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=Intel+486SX   (72 words)

  
 Laptop Digital Camera Camcorder Cell Phone Power Supplies Batteries Chargers by Volt Depot Inc.
The AST Advantage Explorer 486SX 25 Battery you are looking for has not yet been identified by our staff.
In order to identify the part, we require a sample of your AST Advantage Explorer 486SX 25 Battery.
If you send us your old AST Advantage Explorer 486SX 25 Battery as a sample, we will give you 60% off the replacement item when we find the replacement!
www.voltdepot.com /accessory_id.asp?cat=charger&b=AST&m=Advantage_Explorer_486SX_25   (182 words)

  
 FPUs-The Greatest (old) Processor ever!
A few 486SX chips had no FPU built in (some 486SX chips had the built in FPU but it was disabled!
I think the 486SX without the FPU were the tiny ones that were soldered on to the motherboard and the 486SX with the dead FPU was the big loose ZIF one that were the same size as 486DX chips of the same clock speed.
I have an old Tandy Desktop with a 486SX on-board chip.
www.dosgames.com /forum/post-30544.html   (368 words)

  
 DRIVER NEEDED: pionex 486sx with cd (DOS) FCCID=?
i need to find a driver code for 486sx pionex
: i need to find a driver code for 486sx pionex : to get my cd to run in dos : ware can i down load a copy of it?
If you don't see your message listed on the board after posting it, click on the refresh or reload button on your browser.
www.driverguide.com /boards/miscellaneous2/1368.html   (186 words)

  
 RadioShack.com - Power & Batteries: Notebook computer batteries: Lenmar 12V/2700mAh Ni-MH Battery for COMMAX 486sx   (Site not responding. Last check: 2007-10-13)
Keep the party going with this Lenmar Ni-MH battery for COMMAX 486sx Ultra TS30E/CH series devices.
Nickel metal hydride technology produces even power with long-term recharge abilities.
All prices and offers are subject to change.
www.radioshack.com /product/index.jsp?productId=2441232   (192 words)

  
 Acma 486SX/25
Impressive speed, storage, power, and graphic capabilities--that's what makes the Acma 486SX/25 a real muscle machine.
While the configuration I tested is more expensive (by $1,000) than ACMA's standard 486SX, it also boasts a number of features that many people will find attractive.
If desk space is in short supply, you'll appreciate the small footprint of the system box--a modest 15 inches wide by 161/2 inches long.
www.atarimagazines.com /compute/issue153/100_Acma_486SX25.php   (746 words)

  
 AST 486SX memory problems - Cyber Tech Help Support Forums
AST 486SX memory problems - Cyber Tech Help Support Forums
I have a 486SX 33mhz that has a 4M memory with 3 empty slots.
I tried to put in a 32mg simm which says 16M when added but the
www.cybertechhelp.com /forums/showthread.php?t=16227   (68 words)

  
 Win 3.1 486SX won't boot - The PC Guide Discussion Forums
Win 3.1 486SX won't boot - The PC Guide Discussion Forums
A friends PC, ‘Digital’ brand / 486SX (25Mhz?) 1993, hardly used running Windows 3.1 Totally original, never upgraded in any way (one owner).
Recent attempted clean install of Win 95b (using the original CD drive) failed.
www.pcguide.com /vb/showthread.php?p=148724   (869 words)

  
 Sager 486SX Laptop battery - BatteryValues.com   (Site not responding. Last check: 2007-10-13)
Home > Laptops > Sager > 486SX > RB-129
Our Sager 486SX Battery is 100% OEM compatible, and carries a one-year warranty.
Our Laptop Battery is guaranteed to meet or exceed OEM Sager 486SX Laptop Battery specifications.
batteryvalues.com /Sager-486sx-laptop-batteries-product-rb129_1.aspx   (98 words)

  
 Can a Compaq Presario 433, 486SX processor accept hard drives over 220 mb? - TechSpot OpenBoards
Can a Compaq Presario 433, 486SX processor accept hard drives over 220 mb?
Registration is fast, simple and absolutely free so please, join our community today!
This is only for the ones that like me love their old gear to bits and try to bring it up to a level, where it may still be of some use...
www.techspot.com /vb/topic37173.html   (528 words)

  
 Dam Small Linux on retro hardware -- 486SX and 486DX2
The missing FPU on the 486SX makes a difference for multimedia streams!
The 486SX took 3 minutes to decode half one second.
We held a retro hardware 'party' this evening, complete with chocolate biscuits and tea.
www.damnsmalllinux.org /486.html   (328 words)

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