Thank you both for your responses. Any idea why it would only recognise the 15232kb instead of 16384?

Hi all, In addition to my 486 dell that I've almost finished rebuilding, I've also got a Mitac 3062e, which is a 386sx-16 based system. The processor is soldered onto the motherboard so not much opportunity to upgrade except I did put a coprocessor in. It's got 4 banks of 30pin memory slots (8 slots …

Thanks all for your input. I do intend on installing Win95 on this machine, so I think the extra video memory would be nice just to generate a prettier desktop. Under no illusions that it'll improve gaming performance in DOS though. That said, the memory upgrade module for this machine seems to be …

Actually both the OKI M514256 and the V53C104HK45 are 256kx4bit DRAM. Each pair of these should provide 256kbyte RAM, so 8 of them=2MB. Thanks for that. They must serve different purposes because the BIOS only reports 1mb onboard video memory. I tried to find an equivalent 512kb DIP20 package to …

Thanks for the advice. I think I managed to find the cache card, it's on its way now: https://www.ebay.com.au/itm/DELL-39077-9427-OPTIPLEX-4XX-CACHE-MODULE-USED/332399888822?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2648 Here's the connector where it slots in: https://photos.app.goo.gl/ …

Hi All, Not sure if this is the right subforum so apologies in advance if I've posted incorrectly. I'm building my old 486 system which has been in storage for years. The goal is to max out every option possible on it and turn it into the mean machine I wanted it to be in my youth. I used to be able …