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Offline JKDTopic starter

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #14 on: February 25, 2008, 07:17:42 PM »
Quote

amigadave wrote:
@JKD,

Do you know if all Vortex 486slc Bridgeboards at 25mHz can be "internally clock doubled" to 50mHz?  Or does it take a new crystal to accomplish?  And do you think most, or all of them can handle such doubling and retain reliability in operation?



The CPU part in question on my board is actually an slc2 so I don't know if an slc CPU provides that facility.

Sounds like you have a good board and I'm really not trying to be unreasonable on price, I've told everyone they can make me an offer :D
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Offline Dazxy2001

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #15 on: February 25, 2008, 07:28:27 PM »
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JKD wrote:
You're entitled to your opinion and  erm...thanks...I think?

I don't know that anything you posted is actually relevant. The Amiga is a collectors/hobby scene and rare items are priced accordingly. If I was ripping people off, this would be on eBay fetching $1k. :D

I'm sure people really appreciate you telling them they shouldn't 'waste' their money...

People are *free* to make offers, heck it might even sell for $400 or whatever people offer...if the demand isn't there, the price will fall accordingly.

The $ is really week right now..for some people $100 = 50p or summat ;)


Soz, wuz having a wee bit of a rant there lol, nowt personal :D Its a buyers and sellers market I guess, actually be interested to see how much it does go for in the end.... Guess I just been away from the Amiga scene too long, went and got all collectable in my absence.  :-D
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Offline Nlandas

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #16 on: February 25, 2008, 07:39:48 PM »
I know someone who knows someone who might be interested. I'll let them know so that they can make an offer.

Not sure it's worth $500 to them but I'll let them know.

-Nyle
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Offline keropi

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #17 on: February 25, 2008, 07:42:53 PM »
Quote

amigadave wrote:
@JKD,

Do you know if all Vortex 486slc Bridgeboards at 25mHz can be "internally clock doubled" to 50mHz?  Or does it take a new crystal to accomplish?  And do you think most, or all of them can handle such doubling and retain reliability in operation?


look here

How to upgrade your GoldenGate486slc/25mhz to 486slc2/50mhz!
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Offline Nostalgiac

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #18 on: February 25, 2008, 07:47:18 PM »
Hi,

I offer $100 + shipping to UK, or stick it on eBay and I will probably bid. Btw... trash the ISA cards as far as I'm concerned - shippings those isa card is more then their actual value :-/

ta
Tom UK
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Offline hardlink

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #19 on: February 25, 2008, 08:18:05 PM »
Quote

JKD wrote:
Fastest ISA SVGA gfx board money could buy Orchid/Fahrenheit Kelvin 64!!!


As a dedicated BridgeBoarder, not a Vortexer :), I have always wondered what is indeed the fastest ISA video card. Did you try any others?
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Offline keropi

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #20 on: February 25, 2008, 08:27:34 PM »
hmmmm
fastest ISA card... the fastest I have are two CL-5428 cards, one with 1MB and the other with 2MB VRAM...
but on my gg486/50 I use a CL-5420/1MB one... there is no speed gain because the ISA bus of the A4000/gg is maxed out with the 5420... I did some benchmarks and saw no improvement at all!
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Offline hardlink

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #21 on: February 25, 2008, 09:05:51 PM »
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keropi wrote:
 I did some benchmarks and saw no improvement at all!


There is a BB hack page at:

http://members.iinet.net.au/~davem2/overclock/a2386.html

that claims the Diamond SpeedStar Pro is an ISA bus master and  speeds up video by 2X. I've never seen that mentioned anywhere else. That card has a similar chipset to yours, so perhaps there is something to it - any CL-54XX maxxes out the bus.
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Offline keropi

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #22 on: February 25, 2008, 09:11:35 PM »
yes, the GG also has some isa speed options... maybe this is the case, any 54xx card just maxes out the bus...
when I used a 5420 or 5428 for the matter, a SB16 non-pnp AND a DB60XG wavetable midi add-on, in some games midi slowed down when lots of stuff happened... that is how I concluded the ISA bus chockes and use a plain 8bit SoundBlaster 2.0 ...
that slowdown does not occur on a real 386sx/20 ISA pc (whereas the gg was slc2/50mhz upgraded), with the same cards, with the same game. apparently the gg isa bus has less bandwidth...
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Offline JKDTopic starter

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #23 on: February 25, 2008, 09:11:45 PM »
You know, from memory the Orchid Kelvin may well be based on a CL-54xx or a CL-45xx chip..but there's a big Orchid sticker over it...this is going back a long way (1994ish) but it has 64bit dual-ported VRAM on board, which was quite a feat for the day...of course none of that helps 16bit ISA transfer speed :D
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Offline keropi

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #24 on: February 25, 2008, 09:20:51 PM »
the 2MB CL-5428 I have is a SPEA V7-Mirage one... had a V7 sticker on the 5428, but it is long gone LOL
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Offline JKDTopic starter

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards -$350+shipping
« Reply #25 on: February 27, 2008, 03:42:22 AM »
By popular request...reduced price for quick sale!
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Offline amigadave

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #26 on: February 27, 2008, 04:24:29 AM »
Quote

keropi wrote:
Quote

amigadave wrote:
@JKD,

Do you know if all Vortex 486slc Bridgeboards at 25mHz can be "internally clock doubled" to 50mHz?  Or does it take a new crystal to accomplish?  And do you think most, or all of them can handle such doubling and retain reliability in operation?


look here

How to upgrade your GoldenGate486slc/25mhz to 486slc2/50mhz!


Thanks, now tell me that you actually bought two of them and are going to give me a great deal on the extra one you have lying around. :lol:

I just took the last 15 minutes searching all over the Internet including eBay and can't find such chip new old stock or used for sale anywhere.

I think this may take a while to find. :-?
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Offline keropi

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards.
« Reply #27 on: February 27, 2008, 08:07:34 AM »
@amigadave:

just contact the ebay seller I mention in the thread...

as a sidenote, the fastest ISA card I have found and bought is an STB CL-5429/1MB one... I just remembered it  :-)
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Offline Tryphon

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards -$350+shipping
« Reply #28 on: March 02, 2008, 11:59:53 AM »
Hi,

Is this card sold or not ?

Thank you
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Offline JKDTopic starter

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Re: FS: Vortex Golden Gate 486slc2 with ISA cards -$350 shipped!
« Reply #29 from previous page: April 16, 2008, 06:10:33 PM »
This is still available! :D
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