VOGONS


IBM PS/1 Consultant 1993 with Sound blaster.

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Reply 60 of 66, by Intel486dx33

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The box

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Reply 61 of 66, by BLockOUT

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Intel486dx33 wrote on 2021-09-02, 01:41:
BLockOUT wrote on 2021-08-25, 23:34:
Intel486dx33 wrote on 2021-08-25, 23:06:
See my posts above with the manual white pages. It shows the jumper settings for 486dx2. Use that jumper setting for 33mhz. CPU […]
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See my posts above with the manual white pages.
It shows the jumper settings for 486dx2.
Use that jumper setting for 33mhz. CPU
Or maybe it was the Pentium overdrive CPU setting.

You need to switch the jumpers for 286kb of cache too when used.

See photos above.

Update:
Actually, your motherboard is different from mine.
I don’t see your motherboard in the hardware manual.

Look on the back of your computer and see the “Machine type model”
It’s something like “2255”

Then search the internet for that model type manual.

interesting , in the manual you posted today that motherboard model from our pictures is not included in the manual designs.
but if you say that setting the board jumpers to overdrive...will also work with a dx2 66mhz and a transposer i might give it a try.

I am going to try one of these in my other PS/1 with a 486sx-33. It has an Intel Overdrive socket but only excepts 169-pin CPU’s
So this adapter with a 486dx4-100 should work.

please let me know if it works, test it leving the pc on for 20 minutes to see if it glitches or hangs

Reply 62 of 66, by Caluser2000

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BLockOUT wrote on 2021-09-14, 15:31:
Intel486dx33 wrote on 2021-09-02, 01:41:
BLockOUT wrote on 2021-08-25, 23:34:

interesting , in the manual you posted today that motherboard model from our pictures is not included in the manual designs.
but if you say that setting the board jumpers to overdrive...will also work with a dx2 66mhz and a transposer i might give it a try.

I am going to try one of these in my other PS/1 with a 486sx-33. It has an Intel Overdrive socket but only excepts 169-pin CPU’s
So this adapter with a 486dx4-100 should work.

please let me know if it works, test it leving the pc on for 20 minutes to see if it glitches or hangs

Be aware. his person makes fake post about non existent systems he has. He gets pic of the internet and claims they are his systems

There's a glitch in the matrix.
A founding member of the 286 appreciation society.
Apparently 32-bit is dead and nobody likes P4s.
Of course, as always, I'm open to correction...😉

Reply 63 of 66, by Intel486dx33

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BLockOUT wrote on 2021-09-14, 15:31:
Intel486dx33 wrote on 2021-09-02, 01:41:
BLockOUT wrote on 2021-08-25, 23:34:

interesting , in the manual you posted today that motherboard model from our pictures is not included in the manual designs.
but if you say that setting the board jumpers to overdrive...will also work with a dx2 66mhz and a transposer i might give it a try.

I am going to try one of these in my other PS/1 with a 486sx-33. It has an Intel Overdrive socket but only excepts 169-pin CPU’s
So this adapter with a 486dx4-100 should work.

please let me know if it works, test it leving the pc on for 20 minutes to see if it glitches or hangs

Okay, I have that computer stored away in my garage so I will have to pull it out.

Reply 64 of 66, by Caluser2000

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Intel486dx33 wrote on 2019-09-01, 13:00:
The 486 IBM PS/1 came preloaded with DOS and Win3.1 ( 16-bit operating systems ). Windows 95 was a 32-bit operating system. It w […]
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AlessandroB wrote:
Intel486dx33 wrote:
Yes, The 1993/94 IBM PS/1 came preloaded with DOS 6.21 and Win3.1 Windows 95 came out in 1995 and by that time the Pentium CPU w […]
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Yes, The 1993/94 IBM PS/1 came preloaded with DOS 6.21 and Win3.1
Windows 95 came out in 1995 and by that time the Pentium CPU was well available.
The IBM 350 came with a Pentium CPU and Win95.
https://en.wikipedia.org/wiki/IBM_PC_Series

you haven't reply at my post, the graphic and ide chip on the mainboard, are connected to the system in ISA or VLBUS??

The 486 IBM PS/1 came preloaded with DOS and Win3.1 ( 16-bit operating systems ).
Windows 95 was a 32-bit operating system. It was a different era in computing and hardware.
https://youtu.be/ZBbvmORcgSo

Some of the fastest video cards available for the VLB slot where the Cirrus Logic 5426, 5428 and 5429.
The 5430 was only available on PCI and was onboard on the 486 IBM 330 computer.

You still haven't replied to AlessandroBs question.........

There's a glitch in the matrix.
A founding member of the 286 appreciation society.
Apparently 32-bit is dead and nobody likes P4s.
Of course, as always, I'm open to correction...😉

Reply 65 of 66, by Intel486dx33

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AlessandroB wrote on 2019-09-01, 10:22:
Intel486dx33 wrote:
Yes, The 1993/94 IBM PS/1 came preloaded with DOS 6.21 and Win3.1 Windows 95 came out in 1995 and by that time the Pentium CPU w […]
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AlessandroB wrote:

Yes but is connected via the slow isa bus instead vlbus...

Yes, The 1993/94 IBM PS/1 came preloaded with DOS 6.21 and Win3.1
Windows 95 came out in 1995 and by that time the Pentium CPU was well available.
The IBM 350 came with a Pentium CPU and Win95.
https://en.wikipedia.org/wiki/IBM_PC_Series

you haven't reply at my post, the graphic and ide chip on the mainboard, are connected to the system in ISA or VLBUS??

This model ps/1 computer is all ISA. I am not sure If the onboard IDE controller is 32bit ?

Reply 66 of 66, by Caluser2000

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Intel486dx33 wrote on 2021-09-16, 06:45:
AlessandroB wrote on 2019-09-01, 10:22:
Intel486dx33 wrote:
Yes, The 1993/94 IBM PS/1 came preloaded with DOS 6.21 and Win3.1 Windows 95 came out in 1995 and by that time the Pentium CPU w […]
Show full quote

Yes, The 1993/94 IBM PS/1 came preloaded with DOS 6.21 and Win3.1
Windows 95 came out in 1995 and by that time the Pentium CPU was well available.
The IBM 350 came with a Pentium CPU and Win95.
https://en.wikipedia.org/wiki/IBM_PC_Series

you haven't reply at my post, the graphic and ide chip on the mainboard, are connected to the system in ISA or VLBUS??

This model ps/1 computer is all ISA. I am not sure If the onboard IDE controller is 32bit ?

You have easy access to the IBM PS/1 series workshop manual so you should know.

There's a glitch in the matrix.
A founding member of the 286 appreciation society.
Apparently 32-bit is dead and nobody likes P4s.
Of course, as always, I'm open to correction...😉