V30 For 3.25' drives just use a generic Winbond or similar multi i/o card with floppy drive support and fit 1.44drive. It will boot as 720k but using a small tsr called 2M you can access a 1.44meg disk. Also you get the added bonus of ltp, com and possibly a games port. If you look a Anonymous Cowards XT'ger page there's some other things you can do https://sites.google.com/site/misterzeropageh … misterzeropage/ Monotech https://monotech.fwscart.com/category/cards has some nice 8-bit cards as well as keyboard converter. They're listed on e-bay but it's a bit cheaper contacting them directly.

286 I agree 20-25mhz Harris cpu would be cool. 286/12s can be quite capable though. I run Windows 3.1 on my Zenith Z286LP Plus which has some nice features generic 286/12s don't have, like supporting 8megs of ram out of the box. The OAK vga card will be just fine.

386 sounds good so far.

486 sounds good also.

Socket 7 will come down to trial and error to which mobo you select but using the known good board is a good start. If you get the other recapped it should be easy enough to do out of the case testing mixing and matching until you find the combination you like.

Wont comment on the others as they really aren't on my radar preferring Supper Socket 7 solutions.

Best thing is though I guess is to concentrate on a few systems at a time say the most complete then progress.

Jager wrote:

Recently I've bought a 1.1GHz SL5QW P3 for 2$ and I was planning to use it with a slot1 adapter, but now I think 133MHz bus P3 + 815ep might be a better choice.

That is a pretty uncommon cpu (there is currently one for sale on Ebay for +60 dollars). It is the fastest fsb 100 Coppermine and deserves its own 440BX s370 mobo for the best result.

Caluser2000 wrote:

V30 For 3.25' drives just use a generic Winbond or similar multi i/o card with floppy drive support and fit 1.44drive. It will boot as 720k but using a small tsr called 2M you can access a 1.44meg disk.

That's also plan "B", I'll try to use only 8-bit cards in my V30. And, to my knowledge, 1.44M 8-bit controllers basically use the same trick - just with a ROM extension instead of tsr. Since I have Gotek with Flash Floppy its not a big deal though, 720k should be enough. BTW my Juko board is alive thanks to Anonymous Coward.

PARKE wrote:

That is a pretty uncommon cpu (there is currently one for sale on Ebay for +60 dollars). It is the fastest fsb 100 Coppermine and deserves its own 440BX s370 mobo for the best result.

I know, and that's one of the reasons why I want to switch to Tualatin P3-S + 815 instead. The second reason is much higher performance in games with a 133 fsb (plus higher clocks and bigger cache on tualatins).

Jager wrote:

PT-2007 is a nice 430tx-based board, but it needs recap and RAM is bit of a problem. Since I want full 64MB - 5V DIMM or 2 more 16MB SIMMs needed.

Quite unusual. I would say it needs "low density" 16 MBit SDRAMs (vs more popular 64 MBit), but not 5V (for SDRAMs). 3.3V ones should work just fine.

Edit1. No, I was wrong. It accepts 64MBit DIMMs. According to this table: http://www.pchardwarelinks.com/chipsets_pentium.htm

Edit2. From board manual: "DIM1 and DIM2 only support 3.3V (unbuffered) EDO and SDRAM modules."

zyga64 wrote:

From board manual: "DIM1 and DIM2 only support 3.3V (unbuffered) EDO and SDRAM modules."

Not sure how this supposed to work, since there is no voltage converter near RAM slots and I measured 5V over empty slot. Probably SDRAM should be 5V-tolerant, I've read about such modules, but mine are 3.3V-only. 😕
Add:
5vp3 with SDRAM ended been slower than PT-2007 with EDO. What a shame. 😒
Add2:
This board actually had a faulty 3.3V regulator, feeding 5V to ALL components instead of 3.3V. One more phobia for me. 😵