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Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on Yesterday, 05:43

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

majestyk wrote on 2024-05-30, 06:00: Have you tried with the lowest possible front side bus (50 MHZ)? Sometimes chips of unknown quality fail at nominal frequencies. I tried 50mhz and it didn't work... I've been putting it off because it's so tedious, but I guess I should try reflowing the solder …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on Yesterday, 04:33

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

majestyk wrote on 2024-05-30, 06:00: Have you tried with the lowest possible front side bus (50 MHZ)? Sometimes chips of unknown quality fail at nominal frequencies. I'll try that 😀

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on Yesterday, 04:22

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

majestyk wrote on 2024-05-24, 08:40: One single un-/ loose-connected pin at one of the chips will prevent the whole L2 cache from getting initialized by BIOS. Check all the solderings carefully for shorts and bad contacts! It's not pretty but all of my solder points are good according to my …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-30, 03:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

One single un-/ loose-connected pin at one of the chips will prevent the whole L2 cache from getting initialized by BIOS. Check all the solderings carefully for shorts and bad contacts! I checked all of my solder points again, still not working :( Everything is making contact, nothing is shorted. I …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-24, 22:05

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

majestyk wrote on 2024-05-24, 08:40: One single un-/ loose-connected pin at one of the chips will prevent the whole L2 cache from getting initialized by BIOS. Check all the solderings carefully for shorts and bad contacts! Ok 😀 Thank You 😀 I will try today 😀

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-24, 07:27

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Today I put 4 64K x32 chips on one of my PA2005 and it´s working perfectly. There´s one thing I forgot to mention: When you add the 0 Ohm resistor at position R150 you must also remove the one at position R147 (and R148 if present). pa20051ma.JPG ctcm1m.JPG spsys1m.JPG L2 is just 25% faster than …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-24, 01:29

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Today I put 4 64K x32 chips on one of my PA2005 and it´s working perfectly. There´s one thing I forgot to mention: When you add the 0 Ohm resistor at position R150 you must also remove the one at position R147 (and R148 if present). pa20051ma.JPG ctcm1m.JPG spsys1m.JPG L2 is just 25% faster than …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-21, 23:49

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I always used a 4-chip 32Kx32 setup for 512K so far. I never cared if and how the A15 pins of the chips are wired and weather they are connected to the chipset. On the silkscreen printing the 4 positions are marked "32K x 32", but that doesn´t necessarily mean 64Kx32 chips are not supported - at …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-21, 23:47

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I always used a 4-chip 32Kx32 setup for 512K so far. I never cared if and how the A15 pins of the chips are wired and weather they are connected to the chipset. On the silkscreen printing the 4 positions are marked "32K x 32", but that doesn´t necessarily mean 64Kx32 chips are not supported - at …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-20, 04:01

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For a 512K configuration you must move R162 (0 ohm) to position R161 for connecting A13 of the TAG chip to the chipset and R148 (0 ohm) to position R147 for connecting CA 18 = Pin34 of the C585VP to the cache chips. pa_2005_512Ka.JPG For 1M cache you will also have to connect address line A14 of …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-20, 02:01

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I will try the 512K configuration first 😀

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-20, 01:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thank You Very Much! I can't wait to try it! 😀

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-19, 01:23

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sounds like an exciting project. I don't see anything in the manual for selecting the cache size, but I guess that's not a surprise since it wasn't supposed to be user selectable. Have you upgraded the BIOS? https://theretroweb.com/motherboards/s/fic-pa-2005#bios I was thinking about that but …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-19, 00:09

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Sounds like an exciting project. I don't see anything in the manual for selecting the cache size, but I guess that's not a surprise since it wasn't supposed to be user selectable. Have you upgraded the BIOS? https://theretroweb.com/motherboards/s/fic-pa-2005#bios I was thinking about that but …

Re: FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-19, 00:08

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I can tell you the jumpering for 512K, I upgraded two of my PA-2005 a while ago. I never bothered trying 1MB because I usually don´t need 256MB RAM on mainboards like this. You should also populate Jumper "CLK3" and try if 75 MHz FSB runs stable. In most cases it does. I'd appreciate any type of …

FIC PA-2005 motherboard(v1.3) (non-user cache upgrade)

Posted on 2024-05-12, 04:46

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have a FIC PA-2005(v1.3) motherboard with 256k cache factory soldered onboard. According to the manual it is upgradable to 512k or 1mb and compatible with (Winbond W25P022AF-6 64Kx32) Pipeline Burst SRAM. So that's what I bought. I am doing the cache upgrade myself (or trying to) :) I desoldered …

Re: List of Currently Free Games

Posted on 2024-03-11, 03:49

in Milliways

in Milliways

You guys can edit it or delete it if you want to 😀

Re: List of Currently Free Games

Posted on 2024-03-11, 03:47

in Milliways

in Milliways

That's the website that the link came from 😀

Re: List of Currently Free Games

Posted on 2024-03-11, 03:45

in Milliways

in Milliways

https://fire-face.com/games/srbt.html

Re: List of Currently Free Games

Posted on 2024-03-11, 03:41

in Milliways

in Milliways

As of March 5th, 2024 WarnerBrothers Discovery has 'retired' Small Radios Big Televisions from both Steam and Playstation 4 stores. Copy & paste link. It will automatically download. https://fire-face.com/games/SRBT_2016-09-30_1041.zip It is still $11.99 on the Steam store. https://store. …

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