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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??

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-15, 05:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

80p = 68p plus some power pins; Passive adaptor works fine. SAS = totally different electrical and logical protocol, a superset of SATA as PD2JK says. SAS controllers are probably also fairly cheap. You might hit other problems there though - most are PCIe (which no Pentium MMX motherboard has), …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-14, 20:57

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Personally I like the actuator sound as well. But be sure the spindle motor/bearings are silent, like a fluid bearing. And not too much operating hours. 68p to SAS? Don't think so, definitely not passive adaptors. no, sca to 68pin i mean. Thinking of future… ide HD below 512mb, 4gb, 8gb become rare …

Re: Suggest SCSI (again) over 233MMX

Posted on 2023-12-14, 20:39

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

15k is not silent. Not ot on 20+ years old HDDs anyway I see no practical point, if you want to overcome any limits, just use regular PATA controller or even SATA with an SSD. SCSI is such a hassle to setup too. this scsi controller are very very cheap, and i like the seeking sound of the hard disk …

Suggest SCSI (again) over 233MMX

Posted on 2023-12-14, 20:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Today I came across an old post about Pentium1 class IBM Aptivas and a Vogons user suggested installing a SCSI controller and a SCSI disk to overcome the hard disk giga limit seen by the PC Bios. He recommended an Adaptec 29160 and a Fujitsu 15k disk which he said is very silent. I looked on ebay …

Re: IBM Aptiva 2176-352 build

Posted on 2023-12-14, 08:13

in Marvin \ System Specs

in Marvin \ System Specs

Hi and welcome to the forum! The BIOS of my machine comes in spanish, but I haven't found a menu option to change de language. Anyone knows how to do it in this machine? Maybe clear CMOS (remove battery for a few secs or set jumper, don't know how its done on your machine), as the first question …

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

Posted on 2023-12-14, 07:50

in Marvin \ System Specs

in Marvin \ System Specs

I try in this exact computer (originally P75 but the mainboard is the same) a P233MMX and work perfect.

Re: Pentium CPU Game Changer that Helped Build the Internet and USA.

Posted on 2023-12-05, 20:36

in Marvin \ System Specs

in Marvin \ System Specs

It seems to me that you are exaggerating a little, why the Pentium90 and not the Pentium100? In addition to having the fastest bus, it was also the first with a 3-digit speed. On the Apple subject, however, you were enormously wrong, the Apple switch was there many, many years later. If anything, …

Re: IBM PS/1 2133-2155 BIOS dump

Posted on 2023-12-05, 20:19

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

With XT-IDE i have one 1Gb Microdrive in my PS/2

Re: Rate wavetable cards - what to keep?

Posted on 2023-12-04, 15:02

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Bah, i have an SCC-1 but i find the Sound Blaster OPL is Way way better, one of the best example is DuneII.

Re: A new adventure….

Posted on 2023-12-02, 22:13

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I doubt it would be the hard drives that causes this, I'm guessing the restore utility tries to find the machine's ID and since the QSG4 has a different machine ID compared to its older brothers, the utility then locks itself out. Theorically past system 7.x, Apple did away with the "OEM only" hard …

Re: A new adventure….

Posted on 2023-12-02, 17:29

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That probably won't change much but I've always used a retail OS9.2.2 image when I needed to reinstall OS9 on my Macs (unfortunately, I cannot provide a direct link to one such image as not to run afoul of the moderation here). It sounds like to me there's something that is tripping up the …

Re: A new adventure….

Posted on 2023-12-02, 09:48

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

This morning I tried to reinstall OS9.1. Inserting its original CD (which is listed as restore and not installation and I don't know why) I can't complete the restore. The CD starts and loads the restore interface but once you have chosen one of the two disks where to restore the .img image it does …

Re: A new adventure….

Posted on 2023-12-01, 16:53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I don't have a set preference, but generally speaking, OS9 does read and write on FAT32 disks, although it's gonna be capped to USB1. 1 speeds. Not sure about Zip drives (I only have one SCSI drive that is hooked to my PM7500) though but I'm guessing it's gonna be a tiny bit faster. In these …

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