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hardware OS4   hardware OS4 : Troika Amy Design-speed Upgrades
   posted by Troika on 12-Sep-2006 9:08:19 (15812 reads)
Amy'05 update part 1
Speed & upgrades

This is the first of two updates on the Project Prometheus/Amy'05 design that we will be releasing this week. The second part before BB4, is scheduled for Wednesday 13th September 2006.

Read more for details... (mod note)




The PowerPC CPU has been improved upon, we now have an IBM 750GL @ 800 MHz with 1 MByte of L2 cache, against the previous 512K of cache. The design of the motherboard will support 750GL CPUs upto 1 GHz core speed in the future. The 800 MHz part was chosen as the baseline as it represents the best price/performance mix.

To keep the system cool, both the CPU and our Northbridge the Tundra TSI107 need heatsinks, but the TSI-107 does not require a fan in normal use. The Troika team developed a thermostatically controlled fan system for the CPU and optional case fan. Amy has a dedicated fan controller IC, this will allow quiet operation, if allowable by system usage patterns.

SDRAM DIMM detection has been improved compared to previous OS4 capable systems. The TSI107 provides the necessary features to more accurately setup the SDRAM timing based upon the Serial Presence Detect (SPD) ROM parameters of the installed memory stick(s). This will ease the purchasing of suitable RAM for Amy'05.

In keeping with the speed increase, the graphics slot has been doubled in speed. The PCI slot for the graphics adaptor now runs at 66 MHz, yielding a maximum throughput of 264 MByte/sec. This provides comparable speed to the AGP 1X slot.

From previous experience, this bus speed has been sufficient to run 1280x1024 Open GL 2D/3D graphics @ 60 Hz with no issues using the ATI Radeon 9700 series and above graphics cards.

Only one PCI slot supports the 66 MHz speed and there is the appropriate bridge chip and logic to connect to the system 33 MHz PCI bus.



That is all for this update, the second and final update is on Wednesday.
    

Related Links
· More about hardware OS4
· News by Troika


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PosterThread
ikir 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 9:45:12
#1 ]
Elite Member
Joined: 18-Dec-2002
Posts: 5646
From: Italy

Awesome! This update is very interesting, keep up your good work.

Is the cpu still soldered?


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jahc 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 9:53:01
#2 ]
Elite Member
Joined: 30-May-2003
Posts: 2959
From: Auckland, New Zealand

I googled and found this:

"The PowerPC 750GL die, functionality, timing, AC and DC electrical specifications, mechanical specifications, and errata are identical to those of the PowerPC 750GX dd1.2. The only differences from the PowerPC 750GX are in part number, application conditions, speed grade, power dissipation, and consumer grade reliability. The PowerPC 750GL is available only in a RoHS-compatible, reduced lead package."

The 750GX is used in the MicroA1.

Looks like this will be the perfect MicroA1 replacement. Upgradable gfx, no more crippled ArticiaS performance, able to run Linux properly, not picky with RAM modules, better built in sound, faster ethernet, and on top of all that it will be alot cheaper. Sounds like a great entry level machine for OS4.

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Chip 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 9:57:40
#3 ]
Cult Member
Joined: 4-Mar-2005
Posts: 574
From: Budapest, Hungary

Quote:
no issues using the ATI Radeon 9700 series


Is there a PCI version of this card? I googled a bit, but no luck.

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AmigaBlitter 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 9:58:06
#4 ]
Elite Member
Joined: 26-Sep-2005
Posts: 3452
From: Unknown

Good!

Keep on with your works.

Thank you.


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-Sam- 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 10:07:36
#5 ]
Elite Member
Joined: 18-Apr-2003
Posts: 3012
From: Yorkshire Dales, United Knigdom

Excellent stuff. Looking forward to release.


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VooDoo 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 10:14:31
#6 ]
Super Member
Joined: 16-Jun-2003
Posts: 1495
From: Croatia

...that is what i need...great news


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Will 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 10:35:58
#7 ]
Member
Joined: 23-Jun-2005
Posts: 67
From: Lincs, UK

Checked on Wikipedia, so this is what Apple would call a G3? No altivec.

(NB, not complaining, just curious)

William


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Dirk-B 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 10:58:09
#8 ]
Super Member
Joined: 8-Mar-2003
Posts: 1180
From: Belgium

@ Will

from Wiki:

PowerPC 750GX
750GX (codenamed Gobi), revealed in 2004 is the latest and most powerful G3 processor from IBM. It has a on-die L2 cache of 1 MB, top frequency of 1.1 GHz, support bus speeds up to 200 MHz among other enhancements compared to 750FX. It is manufactured using a 0.13 ?m copper based fabrication with Low-K dielectric and Silicon on insulator technology. 750GX has 44 million transistors, a die size of 52 mm˛ and consums less than 9 W at 1 GHz at typical loads.
A low powered version of 750GX is available called 750GL.

and this:

G3 series
750CX/CXe with 256 kB on die L2 cache at 350-600 MHz
750FX with 512 kB L2 cache announced by IBM in 2001 and available early 2002 at 1 GHz
750GX with 1 MB L2 cache introduced by IBM in 2003


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AmigaPapst 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:05:08
#9 ]
Cult Member
Joined: 2-Nov-2003
Posts: 628
From: Amigavatikan

@Chip
I think he mean there is a AGP Slot on the PCI bus.

Last edited by AmigaPapst on 12-Sep-2006 at 11:05 AM.


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ironfist 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:08:31
#10 ]
Cult Member
Joined: 26-Dec-2004
Posts: 770
From: Pegasos.org

Will:
Jepp, this is a G3 on steroids (1 MB cache). Wonder what happened
to the UDTech board carrying a 7448. Kind of dissapointing to "downgrade"
to a simple G3.

Yes, yes, I know. The UDTech board was never officially acknowledged
by Troika - however the pictures were identical to it.


Guess they dumped UDTech and went on with another supplier (v 1.4)
- or designed it themselves. Let's hope this is released.

In this thread I just posted that I might have been interested in purchasing
it for Linux, but that was based on the 7448. My Pegasos II G4 is alot better
for Linux which is what interests me - Linux on Power. So, this gives you all
one less competitor in your favourite Amiga store. :P

Anyway, if this materialize it's good for AmigaOS 4.0.

Last edited by ironfist on 12-Sep-2006 at 11:09 AM.

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SoundSquare 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:13:11
#11 ]
Regular Member
Joined: 31-Jan-2006
Posts: 253
From: Unknown

Quote:
Looks like this will be the perfect MicroA1 replacement. Upgradable gfx, no more crippled ArticiaS performance, able to run Linux properly, not picky with RAM modules, better built in sound, faster ethernet, and on top of all that it will be alot cheaper. Sounds like a great entry level machine for OS4.


with hard to find and expensive SDRAM and PCI GFX cards...
why the hell isn't it possible to have a proper AGP slot ? and DDR ? what's the point in designing such a board in 2K6 ?


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Dirk-B 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:21:18
#12 ]
Super Member
Joined: 8-Mar-2003
Posts: 1180
From: Belgium

Edited HWGA- Personal attack removed

Last edited by Herewegoagain on 13-Sep-2006 at 02:43 AM.


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lavo 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:23:51
#13 ]
Regular Member
Joined: 15-Jun-2004
Posts: 128
From: Perth, Australia

Unless the software takes advantage of Altivec (assuming the hooks are there in OS 4), there is no real benefit of a G4 over a G3. The Pismo G3 Powerbook I have (500Mhz) eats up the equivalent G4 Powerbook quite easily. Don't be put off by the G3 - they run cool and quiet.

Don't forget the orignal Amigas palmed off a lot work to the coprocessors. No different these days, except we have graphics and sound cards instead to do the job that the co-pros used to do.

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abalaban 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:25:43
#14 ]
Super Member
Joined: 1-Oct-2004
Posts: 1105
From: France

Quote:
Wonder what happened to the UDTech board carrying a 7448. Kind of dissapointing to "downgrade" to a simple G3.


IIRC this card (highly supposed from UDTech was presented as a high end model from Troika, nerver as the Amy05 replacent...


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abalaban 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:28:14
#15 ]
Super Member
Joined: 1-Oct-2004
Posts: 1105
From: France

Quote:
why the hell isn't it possible to have a proper AGP slot ? and DDR ? what's the point in designing such a board in 2K6 ?


Maybe because no bridge (at least publically available, don't count Apple proprietary ones) has been designed for PowerPC chips that handle those features...


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Fransexy 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:30:48
#16 ]
Elite Member
Joined: 8-Jun-2004
Posts: 2334
From: Elche (Alicante), spain

Quote:
Jepp, this is a G3 on steroids (1 MB cache). Wonder what happened
to the UDTech board carrying a 7448. Kind of dissapointing to "downgrade"
to a simple G3.

Wonder what happened


The UDTech is another project of Troika aimed at high-end.Amy´05 is and always has been a low-end project, the goal of troika is make the most cheap motherboard possible


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ironfist 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:31:09
#17 ]
Cult Member
Joined: 26-Dec-2004
Posts: 770
From: Pegasos.org

Edited HWGA- reply to moderated post removed. Offtopic

Last edited by Herewegoagain on 13-Sep-2006 at 02:46 AM.

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Dirk-B 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:35:03
#18 ]
Super Member
Joined: 8-Mar-2003
Posts: 1180
From: Belgium

Edited HWGA- Offtopic/reply to moderated post removed



.

Last edited by Herewegoagain on 13-Sep-2006 at 02:47 AM.
Last edited by Dirk-B on 12-Sep-2006 at 11:37 AM.


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nicomen 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:36:24
#19 ]
Cult Member
Joined: 5-Nov-2003
Posts: 539
From: Trondheim, Norway

@ironfist

I don't think it's about sensorship. It's just about usefulness and interestingness. And your posts don't contain any of those, so he was merely giving you an advice.


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vision 
Re: Troika Amy Design-speed Upgrades
Posted on 12-Sep-2006 11:51:31
#20 ]
Regular Member
Joined: 8-Jun-2005
Posts: 480
From: Unknown

Edited HWGA- Personal attack removed

Last edited by Herewegoagain on 13-Sep-2006 at 02:47 AM.
Last edited by vision on 12-Sep-2006 at 11:53 AM.

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