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486 Industrial / Control PC

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First post, by matze79

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Hi,

my 486 Build is now nearly finished

- 486DX4 100Mhz AMD WB SV8T
- Lanner Industrial SlotCPU Mainboard
- 256Kb L2
- 64Mb (2x32Mb FPM Ram)
- EIZO Tseng ET4000 with 1Mb (ISA)
- NE2000 Clone Realtek 8019
- Soundblaster 16 Vibra
- 1Gb CF Card
- 1,44Mbyte Floppydrive
- LPT ZIP 100 Drive
- Windows 95A, IE 5.5

Sadly the case is nearly 6cm too short to fit Terratec Soundsystem EWS64 XL inside.

The ISA Backplane has 2 missing contacts, so i arranged the cards to get around this.
In Future is will replace them.
The RTC is reworked using a CR2032 on Top of the Benchmarq RTC. (No Photo currently)
The PC-Speaker on the Lanner Singleboard Computer was missing, soldered new one.
Looks like last Owner was too lazy to set the Watchdog Jumper to off.
Watchdog beeps when System has no external Activity (Network, RS232, LPT...) so he just forced it off the Board.

IMG_20150707_180140.jpg
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Original View, without Modification/Repairs.
With overclocked SX25 @ 33Mhz.
Featuring PC104 Slots :)
CPU is replaced with AMD 486DX4 WB.
2x 4Mb replaced with 2x32Mb FPM, i wanted use 2x64Mb FPM but Organisation of the modules is not supported by chipset..
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IMG_20150829_123021-1.jpg
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Powersupply, with Ball Bearing Fan
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IMG_20150829_123021-2.jpg
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Inside
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NSSI
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Last edited by matze79 on 2015-09-06, 07:35. Edited 1 time in total.

https://www.retrokits.de - blog, retro projects, hdd clicker, diy soundcards etc
https://www.retroianer.de - german retro computer board

Reply 1 of 8, by matze79

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sysspeed.JPG
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sysspeed.JPG
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Here is the Sysspeed Screen.

https://www.retrokits.de - blog, retro projects, hdd clicker, diy soundcards etc
https://www.retroianer.de - german retro computer board

Reply 2 of 8, by keropi

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heh nice!
I always liked these industrial PCs ,some are really slick but have limited space for expansions... so what u ganna put on the empty ISA slot now ?

🎵 🎧 ⏳ ⚡ PCMIDI MPU , OrpheusII , Action Rewind , Megacard and 🎶GoldLib soundcard website

Reply 3 of 8, by matze79

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file.php?id=3517
Maybe i this thing ? but i have currently no time to continue my work 😒 i need to focus more on just one thing.

And another Slot with a SCSI Card and External CD-Rom Drive ?

i first need to fix Contacts on the Backplane.

i play Ultima Underworld on it currently, if i have some time spare.
i'm now on level 5 😀

https://www.retrokits.de - blog, retro projects, hdd clicker, diy soundcards etc
https://www.retroianer.de - german retro computer board

Reply 4 of 8, by keropi

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UW is a really really great game , kudos on the choice!
Now, what is this mystery card? BIOS extension?

🎵 🎧 ⏳ ⚡ PCMIDI MPU , OrpheusII , Action Rewind , Megacard and 🎶GoldLib soundcard website

Reply 5 of 8, by matze79

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Disk On Chip 2000 😀

https://www.retrokits.de - blog, retro projects, hdd clicker, diy soundcards etc
https://www.retroianer.de - german retro computer board

Reply 6 of 8, by keropi

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Interesting, I jsut googled it. Seems it fits an industrial pc just fine 😁

🎵 🎧 ⏳ ⚡ PCMIDI MPU , OrpheusII , Action Rewind , Megacard and 🎶GoldLib soundcard website

Reply 7 of 8, by matze79

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Today i tried to get Maximum of 128Mb RAM running.

Using two 36 Chip 64Mb FPM PS/2 Modules.
unfortunately it doesnt work... just beep.

But Handbook says 16Mx36 ?
http://mediaserver.voxtechnologies.com/FileCa … -2088843613.PDF

https://www.retrokits.de - blog, retro projects, hdd clicker, diy soundcards etc
https://www.retroianer.de - german retro computer board

Reply 8 of 8, by matze79

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Update:
- Now using AWE64 Soundcard

Fixed CPU Card:

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Graphics:

eizo_et4000.jpg
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Pins on Top of the TQFP where bend and had lose Connections, resoldered them.
Nice Picture on my Sun 22" CRT Monitor.
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Sound:

ct4380.jpg
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Back of Casis:

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Current Speedsys:

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486DX4 @ 4x33Mhz - L1 8Kb WB, 256Kb WT L2, 0WS.
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https://www.retrokits.de - blog, retro projects, hdd clicker, diy soundcards etc
https://www.retroianer.de - german retro computer board

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