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[News] The AmigaOne in Leeuwarden (photos)ANN.lu
Posted on 25-May-2002 17:32 GMT by petros1815122 comments
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The AmigaOne was presented in Leeuwarden today. Unfortunately, only openfirmware bios was shown. Photos of the presentation at http://www.amigascene.nl/nieuws/nieuws.htm . At around 15.00 Computer City brought the AmigaOne motherboard. It is the first sample of the 1.0a board. Because the motherboard was different from the one that Eyetech had, it was not possible to use the Linux from the old board. Because there was no more time for a new installation, we had to do only with the openfirmware bios. There are installed a IBM processor (without cooling!), 128MB, Soundblaster soundcard and a ATi Radeon 7500 AGP. It now waits for OS4.
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Comment 1Joe "Floid" Kanowitz25-May-2002 15:47 GMT
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The AmigaOne in Leeuwarden (photos) : Comment 32 of 122ANN.lu
Posted by Joe "Floid" Kanowitz on 26-May-2002 10:38 GMT
Henning: Yep, the CPU on Eyetech's demo to the French folk is 600MHz, but I'm not sure if that directly correlates to this run of actually-sold boards. (Then again, I also keep forgetting that Ole's "in the loop!") It would've been nice to get a CPU pic out of this demo, but whoever took the pictures didn't have a macro mode/lens or didn't know to switch to using it...
Since this is going to become a common question, I may as well paste from one of the 50CXe product sheets; in the case of a CPU with a marking like IBM25PPC750CXEJP2012T, the "20" buried in the last bit is the performance sort code, and the table IBM gives is:
20400Mhz, 40 = 466Mhz, 50 = 500Mhz, 55 = 533Mhz, 70 = 600Mhz
Also of interest is the last number before the T; that's the reliability grade. 3 seems to be standard (0C - 105C, <100 FIT), while 2 sounds a bit MIL-SPEC (-40 - 105C, <25 FIT) ... When we get to the point of CPU cards (Pegasos) or socketed/MegArray cards, looks like the 2 versions might make good overclockers. :)
Given Ole's comments elsewhere, sounds like everything does have a 600MHz chip, but a firmware or early-revision bug is keeping things down on this one small (5 board?) run.
Most AMR-using boards in PC land tie one set of codec lines to a regular set of Speaker/Mic ins and use the second set for the AMR. Eyetech probably plans the same, if these are all prototypes. (The Via southbridges have at least two sets, I think.)
For the trolls/confused, Macs have BIOSen just like everything else; you just need to know the Secret Keypresses to get there, and they don't provide a power-on test display like x86 does. (The Beige G3 here seems to take about 60 seconds to pass its hidden POST... unless it's doing something else with that time. Maybe the 2940UW's BIOS loads and is hidden during that black-screen pause; the one in my Athlon adds a good 20 seconds to my boot time, but at least provides visual feedback.)
Plenty of x86 BIOSes have booted into graphical mode- look at any AMI BIOS from the Pentium era- but regular users never had to care, and advanced users weren't big fans. (It didn't help that AMI implementations often hid a number of tweaks when going with the 'easier' arrangement.) With 100+ settings available on today's average overclocker's board, Award's textmode menu hierarchy keeps things organized a little better.
MDA is monochrome; I think you're thinking of 80x25x16 colors (PCjr/EGA graphics. :))
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