Sep 16, 2013 · My 486-computer also has 4 MB with 70 ns DRAM-speed of onboard RAM. If I install two 60 ns memory modules to my computer, is it better to disable onboard RAM for performance? Can you recommend me the best settings for shadow RAM and memory hole at 15 - 16 MB-options in the BIOS?

Jan 20, 2016 · While EDO chips on 30-pin RAM sticks do exists, they were never used in common PC systems. So FPM is the correct memory type for 286 / 386 / 486 boards with 30-pin sockets. All 486 boards support 1MB and 4MB sticks (i.e. banks of 4MB or 16MB).

Mar 7, 2011 · As I recently discovered that the UMC UM8881 486 chipset works with double-sided 128 MB FPM memory sticks, it got me wondering - what's the maximum amount of memory which has been successfully installed (and functions) on a 486?

May 8, 2021 · Later 486 motherboards used SIMM-72 RAM sticks which are relatively more common and cheaper. Expansion Cards Unlike modern highly-integrated motherboards, even basic IO and connectivity features require expansion cards.

Aug 28, 2018 · Most 486 probably shipped with 4 or 8MB of RAM and for DOS that's plenty. I tend to stick 32MB in any 486 that is going to run windows 3.1 heavily. Save Windows 95 for a Pentium machine.

Mar 7, 2009 · - You can identify ECC sticks (aka sticks w/ Parity) by counting the chips and the pins on the chips. There are several rules to this, but a stick with 9 chips is a dead giveaway that it's ECC RAM, because it's one chip for parity, 8 for the RAM.

Vintage Motherboard Dual Processor i486 SX + 4 Memory RAM Sticks PN: FX-300 Vintage Motherboard Dual Processor i486 SX + 4 Memory RAM Sticks PN: FX-300 . Skip to main content ... Cpu 486 Dx; 486 Dx Computer; Pci 486; Ibm 486; 486 Cpu; 386sx Cpu; Intel 386; 486 Laptop; Motherboard 386; 386 Motherboard; 386 Sx; I386 Computer; Amd Fx 8350 Motherboard;

Nov 4, 2012 · Adding more than 64MB of RAM to a 486 is probably not all that interesting unless you can have all the memory cached. Typically 512kb cache for 128mb, and 1024kb cache for 256mb. However, having a tonne of memory is useful if you run NT4 or Linux on your 486.

MASSIVE Bundle of 486 / Pentium 1 EDO RAM - 110 sticks - 30 Pin & 72 Pin - . MASSIVE Bundle of 486 / Pentium 1 EDO RAM - 110 sticks - 30 Pin & 72 Pin - . Skip to main content. Shop by category. Shop by category. Enter your search keyword. Advanced: Daily Deals; Brand Outlet; Gift Cards; Help & Contact ...

Jan 30, 2024 · So i'm looking at my current RAM module sitting in my newly acquired 486 - the sticker reads Legend and there are 8 Alliance AS4C14400 chips. Memory test shows i have 4096kB of RAM. Manual to my mobo (zida tomato 4dps 2.11) says it supports the following :