CPU Shack: Iwill P55TU Pent Motherboard w/ SCSI - SOLD

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CPUShack



Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA

PostPosted: Tue Jun 16, 2020 4:37 pm    Post subject: CPU Shack: Iwill P55TU Pent Motherboard w/ SCSI - SOLD Reply with quote

Here is a very cool one
This is a Iwil P55TU motherboard based on the Intel HX chipset, complete with adaptec SCSI onboard.
Supports 4-72pin SIMMs, Adaptec RAIDBus, 68/50pin SCSI

Comes with Pentium 200 MMX, and all accessories, including a heatsink and fan.

$60 and its yours

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Last edited by CPUShack on Thu Jun 18, 2020 2:05 pm; edited 1 time in total
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CPUShack



Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA

PostPosted: Wed Jun 17, 2020 7:44 pm    Post subject: Reply with quote

Make me an offer to put this beauty in your box
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ph4nt0m



Joined: 01 Jan 2018
Posts: 812
Location: Europe

PostPosted: Thu Jun 18, 2020 1:47 am    Post subject: Reply with quote

This board looks great, but it has also way too many complications to speak of. 430HX but only 64Mb cacheable, soldered Dallas chip, linear VRM which runs damn hot, and there were some BIOS related issues. I can offer $20 if you absolutely have to get rid of it.
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stamasd



Joined: 05 Jun 2014
Posts: 1311
Location: Connecticut

PostPosted: Thu Jun 18, 2020 4:08 am    Post subject: Reply with quote

WTH is that extension behind the first PCI slot? Never seen anything like that.
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frag_



Joined: 17 Nov 2008
Posts: 4015
Location: Estonia

PostPosted: Thu Jun 18, 2020 4:15 am    Post subject: Reply with quote

stamasd wrote:
WTH is that extension behind the first PCI slot? Never seen anything like that.

Looks very like this:
https://en.wikipedia.org/wiki/Asus_Media_Bus
But it's not!
It's so-called raidport, used for raid controllers like this (it's not PIC-X either):
https://storage.microsemi.com/en-us/support/_eol/aaa_raid/aro-1130u2/
http://s8.hostingkartinok.com/uploads/images/2016/08/6f4f58a099f807fd322f7f3f943f1956.jpg
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HowlerMonkey



Joined: 07 Feb 2021
Posts: 2
Location: Virginia

PostPosted: Sun Feb 07, 2021 12:11 pm    Post subject: Reply with quote

I built a system for a DAW in 1995 using an Iwill p55tu and added the Adaptec aro1130 for raid capability using striping without parity. I have scsi drives also in external cases....which I'm currently using for a fostex hard disc recorder.

It has an ati 3dxpression and pc2tv which was the two piece solution before the all-in-wonder series of cards and watched tv on it until analog tv disappeared.

Sound card is an awe32 ct39xx with 16 megs in each memory slot for 28 megs of usable onboard sample ram.
I used the spdif output to another card before converting the output to coaxial and later connecting to newer external devices.
This gives zero latency synth usage because it's all handled on the card and not hampered by system bus timing or pc overhead.

That mystery slot in the pics above is for the aro1130 raid controller.

Over the last 25 years drives have died and been replaced but the system runs great.
It all still works great and is still my soundfont machine long after my much newer kt7araid died in 2012.
The Dallas rtc worked for 10 years before replacement!

When it dies, I will get some newer industrial boards that still have 16bit isa slots and hardware bus mastering and dma (not all new isa slot boards have real dma and bus mastering....check for that if you consider one).
The plan is a few retro gaming rigs that still give me the soundfont functionality.


Last edited by HowlerMonkey on Sun Feb 07, 2021 12:17 pm; edited 1 time in total
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ph4nt0m



Joined: 01 Jan 2018
Posts: 812
Location: Europe

PostPosted: Sun Feb 07, 2021 12:17 pm    Post subject: Reply with quote

The last Intel chipsets that can do ISA DMA are the 8x5 series
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HowlerMonkey



Joined: 07 Feb 2021
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PostPosted: Sun Feb 07, 2021 12:19 pm    Post subject: Reply with quote

Thanks.....that kind of info is why I signed up here.

SET BLASTER=A220 I5 D1 H5 P330 E620 T6
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