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Re: Best way to cool a 486DX Overdrive CPU?

Posted on 2023-12-22, 15:31

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have the hexact cpu in my collection and i can say that using it, become hot like a Sun, the only think is that intel do not think that cpu will survive so many years, they think that this dx2 must be replaced and recycled in 3/4 years maximum. Using it for years and years must destroy it, i can't …

Re: Bought these (retro) hardware today

Posted on 2023-12-21, 18:33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Another piece of project… i have in total 3 drive. 2x68pin and one 80

Re: Bought these (retro) hardware today

Posted on 2023-12-21, 15:44

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Starting scsi project

Re: Do you have a backup motherboard for your build.

Posted on 2023-12-19, 09:16

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Since all my system are Complete IBM desktop is hard to find a spare mainboard. but if i find a good price i will take some on ebay

Re: Help me find the best storage option for my Socket7 - Intel Pentium MMX build

Posted on 2023-12-18, 22:34

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Most pmmx can do 250 if I recall from my tinkering That's possible, however I remember clearly my rationale back then for not pushing it too much: I needed my computer for my studies and, as a second level priority, for LAN parties, so I could basically not afford the downtime and budget impact of …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-17, 11:43

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Very interesting, in fact I would have liked to ask the practical difference in use and feeling between 2940u2w and 29160. Yesterday I found a 2940u2w including box as if it were new and I took it... I'll try it. I also picked up a 1452cf to try in the 486DX4 and 386sx. I also found 3 hitachi 15k …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-17, 07:06

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Maybe he meant the Pentium Overdrive with MMX instructions. But OP needs to be more precise about models and types of hardware he is using or planning to use / pointing at. If it makes sense, or genuinely don't know stuff, we're happy to help of course. Basically i have 286, 386sx, 486dx (and …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-17, 07:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

And... and ... and... install a 29160 in a PentiumII/III/4 with a 15.000rpm disk... is a good idea? I do not want to use SSD with my retrogaming PC before you suggest me to do that tnks. I have a 2940U2W on a P3C-D (dual Pentium 3 933) system with two 15k rpm disks running WinXP. It positively …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-16, 17:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

And... and ... and... install a 29160 in a PentiumII/III/4 with a 15.000rpm disk... is a good idea? I do not want to use SSD with my retrogaming PC before you suggest me to do that tnks.

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-16, 16:55

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

[...] What exactly happen if i install the 29160 on a computer with FX chipset or the one present on my Pentium60 chipset (i not know now wich is but for sure alder than fx) ? A Pentium 60 could be paired with Intel i430LX but also with various SiS, OPTi or ALi chipsets. As far as I'm aware none of …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-16, 09:07

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

the Adaptec AHA-2940UW works well in early PCI systems had dos drivers and win 3.X drivers also... It has worked in boards from a 486 pci system to Core2 systems. but is not compatible as 29160 with the modern sca quite drive if i understood correctly. if 29160 work in pci 2.0 i prefer but i have …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-16, 01:26

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

[...] I didn't think there was so much integration between the controller and the motherboard, I thought it did almost everything. There is no integration. It's just a matter of the right voltages (3.3V vs 5V) and features (bus mastering) being present. the first computer I wanted to experiment …

Re: IBM Desktop P-750-90, Pentium ( Select-a-System ).

Posted on 2023-12-15, 20:04

in Marvin \ System Specs

in Marvin \ System Specs

This is the big brother of my first computer, which I still possess! (These were very cool systems back in the day!) We also had one of these systems fitted with a Pentium 100, but I only kept the 486, as it was my first computer! https://i.imgur.com/KRhfpps.jpg https://i.imgur.com/iuPU8pK.jpg I …

Re: IBM Desktop P-750-90, Pentium ( Select-a-System ).

Posted on 2023-12-15, 20:02

in Marvin \ System Specs

in Marvin \ System Specs

These system could be configured with a microchannel riser as well, making them some of the fastest x86 MCA machines availiable. I own a 6886 Model 750 with 133 MHz Pentium and microchannel as well as a Model 330 with PCI /ISA riser. Thanks for the recovery CD link, I need to try this on the 6886. …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 19:48

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Then it is just a matter of whether you want to use internal SE wide device and internal LVD device at the same time. However, the 29160 is superior then. But check the PCI slots. The front side (away from the bracket) must have a kind of space so that the 29160 with the 64 bit connector will fit. …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 19:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So you suggest 29160? That depends on which connectors you want to use. 19160: External SE Narrow 29160: External LVD 29160: Internal SE Wide 19160: Internal LVD 29160: Internal LVD 19160: Internal SE Narrow 29160: Internal SE Narrow So if you like to use old SCSI cases or external SCSI ZIP drive, …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 17:06

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yes, you can use that Initio SCSI card. But you'll be limited to the speed of Narrow Ultra SCSI. That is 20 MB/s. Yes, there do exist SCA-to-68-and-50-pin Adapters. However, some of those adapters may not have a connected DIFFSENSe wire. You perhaps have to solder a connection or play with Force-SE …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 16:26

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

ok, I'll buy a disc to do some testing. 1) To be able to be seen by DOS, the scsi hard disk needs to have the scsi controller drivers loaded right? Do these drivers also allow you to play CD-ROMs? I don't remember these things well because I had a scsi chain at the time of the PentiumII. 2)To be …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 13:26

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just a simple host bus adapter card, could work just fine! Drivers can be a pain, I don't see much info about this one. But I'm not sure you need any drivers. SCA drives should be recognized with an adapter of course, if not too big in terms of capacity. (137GB ?) i not think to search hard disk …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 13:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I unexpectedly found this unknown card in my box and tried it. I only have a cd-rom to connect. how about? how is the card? Is it compatible with 80 pin drives??

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