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Re: Different Versions of Ensoniq AudioPCI

Posted on 2020-03-06, 06:36

in Marvin \ Sound

in Marvin \ Sound

Tidbit of information about the AudioPCI 5000: This is a OEM version that was used by Gateway 2000, amongst others. It has better AD/DA conversion than the standard models (see old Ensoniq website on Internet Archive.). Also, I see you have it listed as using a ES1371 chip, but mine uses the ES1370 …

Re: Tseng Labs 1983 Ultra Pak monochrome display adapter

Posted on 2020-03-06, 00:50

in Marvin \ Video

in Marvin \ Video

I don't have much input other than to say, that is a cool card! I like finding ridiculously old cards from companies that were more well known much later. That would certainly be the oldest card I've seen with the Tseng name and logo. When looking for the hd46505sp-1 chip, found this: http:// …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-04, 18:51

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

AH! Welp... All this time I'd had one jumper wrong. The voltage jumpers are kind of crammed together and I misread which was which. After looking at it again I realized I had it in the wrong spot, so I switched it to where it should be to use the 5v from the PSU and it immediately is working! I'm …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-04, 18:36

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Without a CPU measure the Ohms of all the PSU connections to ground and write them down. The Tantalums could be bad. I have a 386 board that didn't boot and found the -12v was near 2ohm (which should be impossible unless a short since nothing uses -12v except add-on cards) so unsoldered the two …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-02, 03:16

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just tried reflowing all of the solder joints on the BIOS socket as well as a couple of the adjacent DIP chips because a few joints looked a bit rough, possibly cracked. Didn't make a difference. I just put together a 3xAAA battery pack and attached it to the external battery header too. Nothing. I …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-02, 02:04

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well, this looks like the correct BIOS chip for this board, I just found one of these that was on ebay and it has the same Phoenix BIOS label on a dip28: So, if I was able to dump that ROM, then the chip should be fine? I'm not sure what else to do here. What would cause a board to show no POST …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-02, 01:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That is too bad. Could be bad BIOS chip. You could try the bios chip in a bootable PCI NIC and try to save it with UniFlash. If it saves anything then may be a differant problem. The BIOS off any ALI 1429G + ALI 1431 board may also work. Odd that it has a Phoenix bios and not AMI or Award. It seems …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-02, 01:06

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That is too bad. Could be bad BIOS chip. You could try the bios chip in a bootable PCI NIC and try to save it with UniFlash. If it saves anything then may be a differant problem. The BIOS off any ALI 1429G + ALI 1431 board may also work. Odd that it has a Phoenix bios and not AMI or Award. It seems …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-01, 22:03

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Well, I repaired the legs on the VRM and I have set the jumpers to work with a 5V Intel DX2 66Mhz but I can't get the board to do anything. I've tried several different kinds of RAM, tried a couple different CPUs and tried reseating the BIOS chip and some others. Using a POST card I get lights for …

Re: Strange feedback issue from several, but not all, sound cards.

Posted on 2020-03-01, 06:09

in Marvin \ Sound

in Marvin \ Sound

kolderman wrote on 2020-03-01, 05:42: Try swapping the PSU. Sorry, but I mentioned using two different PSUs in my post.

Strange feedback issue from several, but not all, sound cards.

Posted on 2020-03-01, 04:49

in Marvin \ Sound

in Marvin \ Sound

I'm putting together a little Windows 98SE system to use as a very simple CD Player + MIDI player for my daughter. The system is almost completely original (in a nifty micro atx case from the late 90s, with a handle on top and the original specs listed on a label on the bottom) and is running an ECS …

Re: Need info on AL486 rev1 mobo

Posted on 2020-03-01, 02:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Another bump for this nice looking board that I don't want to fry by blindly experimenting with jumpers. Someone at VCFed asked about similar and said the board is from ECS (Elitegroup Computer Systems). Have you tried to boot up the board ? Getting the BIOS string may help narrow it down or …

Re: Need info on AL486 rev1 mobo

Posted on 2020-02-29, 04:51

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Another bump for this nice looking board that I don't want to fry by blindly experimenting with jumpers.

Re: What is your favorite Vintage ISA/PCI test motherboard ?

Posted on 2020-02-29, 04:44

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I use a Wintac\Edom W6BXA 440BX slot 1 board. It has served me very very well over the last 3 or 4 years. I've tested hundreds of cards in it and it pretty much works for anything that doesn't have issues in systems of that era. I can even throw in an old Klamath PII 266 and it'll run it at 200Mhz, …

Re: Nforce 3 Ultra + Radeon HD3850 AGP = No display?

Posted on 2020-02-29, 04:24

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Remove all power and try resetting the cmos on the MB with the ATi card installed. Welp, I tried this once after you mentioned it and it did reset the CMOS but nothing changed. I then went into the BIOS using the 6800GT, reset the system to fail safe defaults (which didn't seem to change any AGP …

Re: Nforce 3 Ultra + Radeon HD3850 AGP = No display?

Posted on 2020-02-29, 03:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Horun wrote on 2020-02-29, 02:58: Are you using the same monitor when testing on both motherboards ? Yes. Tried both DVI ports and a VGA adapter on both ports and two different monitors (both older LCDs). Same monitors work fine with the 6800GT in the nForce 3 or with the HD3850 in the nForce 2.

Nforce 3 Ultra + Radeon HD3850 AGP = No display?

Posted on 2020-02-28, 21:32

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I got a good deal on a Sapphire Radeon HD3850 512MB AGP card last month, with the intent of using it my newest AGP system. The system is running an EPoX 9NDA3J nforce 3 Ultra motherboard with the latest beta BIOS and an Athlon 64 X2 4200+. Everything works fine with a 6800GT, but with the HD3850 I …

Re: Disappointing Windows XP gaming performance

Posted on 2020-02-24, 02:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Playable resolution isn't really affected by CPU speed in hardware accelerated games. This is why most CPU benchmarks back in the day ran games at low resolutions.

Re: Valuation of old hardware

Posted on 2020-02-20, 17:43

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

hahaha... this thread is hilarious. 😆

Re: Bought 2 motherboards, both do exactly the same (nothing)

Posted on 2020-02-20, 12:21

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

How do the capacitors look? I've had a few Abit boards from that era with leaky caps.

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