Pair Am386 with i387 - Retrocomputing Stack Exchange
WEBJun 3, 2016 · I've got a motherboard with a Am386/DX processor. I've also got an Intel 387 coprocessor. Is it possible to use the Intel 387 that I've got together with the Am386 or do I need a coprocessor from AMD?
Am386 - Wikipedia
WEBThe Am386 CPU is a 100%-compatible clone of the Intel 80386 design released by AMD in March 1991. It sold millions of units, positioning AMD as a legitimate competitor to Intel, rather than being merely a second source for x86 CPUs (then termed 8086-family). [1]
Problems with installing a 387 FPU - Vintage Computer Federation …
WEBJan 4, 2024 · #1. I bought a [387 FPU] off Ebay for my new 386 system and was glad to find that it had arrived in my mailbox today. However, when trying to place it in the slot of my motherboard, I can not get it to fit, no matter how much i try. It seems like it should work but like it is just ever so slightly off.
What's a I387 do? - Vintage Computer Federation Forums
WEBDec 29, 2009 · To overclock a 387, it would be on a motherboard with a faster bus clock (like an Intel 387DX-33 on a motherboard with an AMD 386DX-40). That has been commonly why I overclocked them, but unless used, there is no need for them to be there.
Some details about using 20 MHz 387SX with a 33 MHz 386SX
WEBMar 9, 2016 · #1. Dear all, I want to add a numerical (mathematical, math) coprocessor co-processor to my motherboard which has a soldered-in 386SX running at 33MHz. More exactly, it is an AMD Am386 SX/SXL-33. The problem is that I have a 387SX running at 20 MHz, so I will have to set up my motherboard for asynchronous work with the NPU.
An Intel i387SL coprocessor for my AMD Am386SX - Rubenerd
WEBApr 5, 2023 · An Intel i387SL coprocessor for my AMD Am386SX. Wednesday 05 April 2023 Hardware. So far in my unintentional Am386 motherboard series we’ve got it booting with graphics, added a multi-IO card, and even got an IDE CD-ROM working off a sound card which I’d never done before.
Some 386 questions, FPU , and help identify board? - VOGONS
WEBMar 13, 2012 · You don't necessarily require non PnP cards to function on a 386 motherboard (which is what the Ti 486DLC CPU plugs onto). However, I don't recall of any 16-bit IDE controllers or 16-bit ISA Graphics cards that are PnP. Only 16-bit sound cards later on became PnP (from around 1995 onwards).
[Unknown] MINI-386/387 - The Retro Web
WEB[Unknown] MINI-386/387 is a motherboard based on the Chips & Technologies unidentified chipset. Get specs, BIOS, documentation and more!
FPU 387 questions - VOGONS
WEBDec 1, 2016 · I have a motherboard which requires you to set a particular jumper if you are using the 87DLC from Cyrix. If you don't set the jumper, it doesn't work. However, I haven't witnessed any speed differences between the Cyrix 387+ …
Getting 387sx coprocessor working. \ VOGONS
WEBNov 11, 2022 · The motherboard is Kalex dat302 rev b. There is very little info about it online, but most jumpers are described on the pcb. It has a built in Intel 386sx-25 and a coprocessor socket.
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