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Bought these (retro) hardware today

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Reply 33260 of 52340, by dionb

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Horun wrote on 2020-04-04, 02:33:
dionb wrote on 2020-04-03, 20:53:
Today was a good day :) […]
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Today was a good day 😀

#3:
15859471007420.jpg
This one is completely new and unused - an Acer Accufeel 6316 6312 with Acer Black switches - basically what you get if you put the top parts of an Alps clicky switch over a rubber membrane (similar idea to the IBM Model M, but far lighter). Looking forward to typing with this for a while, if only because it's ISO and I far prefer that to ANSI (or big-ass enter monstrosities).

What year was this made ? Does it work with both XT and AT ? I saw one for sale stating it did but no picture of a switch to change modes. Just curious if I passed on a good deal...

XT? Not likely - see those Windows keys. Can't find a production date, but it's not older than 1995 and I suspect a year or two younger than that. It has a PS/2 connector and no switches, so most likely AT-PS/2 only. If your option was also a 6312TW-4U (not -16, I got my numbers mixed up 😮 ) you didn't miss anything. On Deskthority there's an identical unit which apparently has a 1997 date on the controller IC.

Older Acer keyboards up to the 6012 did have the XT option.

Reply 33261 of 52340, by assasincz

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assasincz wrote on 2020-04-03, 18:44:

I think I will try tommorow if pinching the GPU from bottom and from top reveals anything and eventually I will try and bake it in the oven. I revived a dead AWE32 card that way and it works fine a year later so why not try it? I have neither any equipment for resoldering surface mounted components, not the still to do it anyway...

Baking the card yeilded no change in behavior. So framing it is...

Reply 33262 of 52340, by Big Pink

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My devotion to period-correctness led me to spot this Pentium 3 SL48S "1000G" on the Bay of E. Datecoded Week 18 of 2000 (first week of May)! An early production run for OEMS?

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I thought IBM was born with the world

Reply 33263 of 52340, by Cyrix200+

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This little thing 😀 With Serial Interface and 64 Kilobytes memory card. In really nice condition.

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Could not find the Easy Money app in the app store yet 🙁

https://www.youtube.com/watch?v=yB82FNPoiPM

1982 to 2001

Reply 33264 of 52340, by keropi

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Cyrix200+ wrote on 2020-04-05, 11:53:
This little thing :) With Serial Interface and 64 Kilobytes memory card. In really nice condition. […]
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This little thing 😀 With Serial Interface and 64 Kilobytes memory card. In really nice condition.

IMG_20200405_133804_01.jpg

Could not find the Easy Money app in the app store yet 🙁

https://www.youtube.com/watch?v=yB82FNPoiPM

now I have to watch T2
thanks 🤣

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

Reply 33265 of 52340, by Artex

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keropi wrote on 2020-04-05, 12:54:
Cyrix200+ wrote on 2020-04-05, 11:53:
This little thing :) With Serial Interface and 64 Kilobytes memory card. In really nice condition. […]
Show full quote

This little thing 😀 With Serial Interface and 64 Kilobytes memory card. In really nice condition.

IMG_20200405_133804_01.jpg

Could not find the Easy Money app in the app store yet 🙁

https://www.youtube.com/watch?v=yB82FNPoiPM

now I have to watch T2
thanks 🤣

🤣
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My Retro B:\ytes YouTube Channel & Retro Collection
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Reply 33266 of 52340, by CoffeeOne

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dionb wrote on 2020-04-03, 20:53:
Today was a good day :) […]
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Today was a good day 😀

Three parcels:

#1 and 2:
15859471200121.jpg
Micronics 80486 ASIC EISA 50MHz and a CT2290 SB16. The motherboard is slightly less pristine than promised, the battery has clearly been removed - and not a moment too soon, there's nasty green residue on the nearest two components, though in such small volumes I'm not hugely concerned:
15859471548752.jpg

Hope to get round to firing this beast up tomorrow. And the CT2290 - well, probably the nicest SB16 - non-PnP, real OPL3, low self-noise and as few MIDI bugs as you're going to find on a SB16. It's a freebie from a friend I recently gave a dual Opteron server board. Do ut des 😉

#3:
15859471007420.jpg
This one is completely new and unused - an Acer Accufeel 6316 6312TW-4U with Acer Black switches - basically what you get if you put the top parts of an Alps clicky switch over a rubber membrane (similar idea to the IBM Model M, but far lighter). Looking forward to typing with this for a while, if only because it's ISO and I far prefer that to ANSI (or big-ass enter monstrosities).

I hope you will give us better pictures of the 486 mainboard, I can't see any details, and so cannot compare to my board 😁

Reply 33267 of 52340, by Intel486dx33

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I got a couple Pentium MMX 75mhz CPU’s for my Ultimate DOS gaming computer test build.
I found the 486dx4-100 too slow for NEWER DOS games so I am experimenting with the Pentium CPU now.
I want to find the sweet spot between the CPU speeds of the 286-10mhz thru Pentium class CPU.
Using just ONE Pentium CPU.
I want to try
Pentium-75
Pentium-100
Pentium-120
Pentium-150
Pentium-175
Pentium-200
Pentium-233

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Reply 33270 of 52340, by pentiumspeed

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Keep 75, it will might go to 90 and 100. For 133 thru 200 you need a unlocked Pentium 200.

Cheers,

Great Northern aka Canada.

Reply 33272 of 52340, by MMaximus

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Save yourself some trouble and get a MMX200 or MMX233 then play with Setmul and caches to get to the speed you need.

https://www.philscomputerlab.com/136-in-1-pentium-mmx.html

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Reply 33273 of 52340, by derSammler

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But he's apparently looking for something faster than a 486DX4-100 and not for something that can be slowed down to speeds his 486DX4-100 already covers.

Anyway, the topic is "Bought these (retro) hardware today", so he can talk about this in a separate thread.

Reply 33274 of 52340, by dionb

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Intel486dx33 wrote on 2020-04-05, 18:38:
I got a couple Pentium MMX 75mhz CPU’s for my Ultimate DOS gaming computer test build. I found the 486dx4-100 too slow for NEWER […]
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I got a couple Pentium MMX 75mhz CPU’s for my Ultimate DOS gaming computer test build.
I found the 486dx4-100 too slow for NEWER DOS games so I am experimenting with the Pentium CPU now.
I want to find the sweet spot between the CPU speeds of the 286-10mhz thru Pentium class CPU.
Using just ONE Pentium CPU.
I want to try
Pentium-75
Pentium-100
Pentium-120
Pentium-150
Pentium-175
Pentium-200
Pentium-233

There was no Pentium 233, only Pentium MMX (different CPU )

Basically you can do either 75-200MHz (assuming no FSB overclocking) on a P54C P200 (if unlocked, I believe most are), or you can do 133MHz-233MHz (assuming sticking to 66MHz FSB) with a P55C P233MMX (if unlocked - some are). Difference is the multiplier mapping: 1.5x on the P54C is interpreted as 3.5x on the P55C.

Reply 33275 of 52340, by Intel486dx33

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derSammler wrote on 2020-04-05, 20:04:

Or get a Pentium 90, which will do 75 MHz (25 x 3), 90 MHz (30 x 3), and 100 MHz (33 x 3) with no issues. Running a P75 at 100 MHz is quite a stretch and most likely not reliable.

No, let me re-phrase this. I want to use one CPU. I just want to be able to down clock it to 268@10mhz speed.
I want the power of the Pentium.
It's like "Torque" on a car verses acceleration.
I want the pulling power of the Pentium but I don't really need to go to fast for DOS games.
The 486 just can't process data fast enough.
So I am hoping the Pentium 75mhz will be fast enough.

Reply 33276 of 52340, by blurks

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derSammler wrote on 2020-04-05, 20:35:

But he's apparently looking for something faster than a 486DX4-100 [...]

No, he is only looking for attention, to provoke and to disturb normal operation as it is in the nature of a troll. I wonder how long it takes until the last user realizes that ignoring is key to success here.

Telltale signs:
- responds randomly but content isn't a reaction to previous posts (completely ignoring what other people write)
- asks for the simplest things (obviously unwilling to use Google even once)
- spreading of captain obvious information that everyone already knows, presenting it as a recent breakthrough discovery
- repeatedly posting redundant threads
- iPad

Last edited by blurks on 2020-04-05, 21:52. Edited 3 times in total.

Reply 33277 of 52340, by MMaximus

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I agree this should probably be discussed in another thread, but you can't downclock a P75 to 286-10mhz speeds, short of maybe some elaborate oscillator swap procedures...

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Reply 33278 of 52340, by liqmat

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derSammler wrote on 2020-04-05, 19:46:

Pentium 175, too. Doesn't exist.

Seems legit to me.

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Reply 33279 of 52340, by mpe

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Let's stay with the original....

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