VOGONS


What retro activity did you get up to today?

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Reply 29360 of 29361, by ODwilly

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momaka wrote on Yesterday, 06:57:
Testing a Gigabyte GA-8iPE1000 Pro-G motherboard with a 2.3 GHz P4 Celeron Northwood, 512 MB of PC2700 RAM, Radeon 7000 32M, and […]
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Testing a Gigabyte GA-8iPE1000 Pro-G motherboard with a 2.3 GHz P4 Celeron Northwood, 512 MB of PC2700 RAM, Radeon 7000 32M, and a 160 GB IDE HDD (came with the system) and Windows XP Pro SP3. Seems to work OK so far, just not 100% sure if memory slot #3 is OK. Other than that, a nice little system. This VOGONS post created from it. (Oh noes, I'm running XP and it's connected to the internet! Run away! 🤣 )

Between this and my Optiplex 170L with a 2.8 GHz P4 Prescott HT, it's a night and day difference in terms of CPU speed.
To say it in fewer words: P4 Celeron = SLOOOOOOOOOOOOOOW 🤣
That said, it does run really cool. Haven't tried measuring the system power draw at the wall, but I would expect somewhere around 30-40W idle and maybe 60-75W peak under load. It also undervolts quite easily. Haven't checked how far I can push it, but 1.35V at the stock 2.3 GHz speed is fine. The stock V_core voltage is 1.5V. Even with that, it still didn't seem to get hot at all. Moreover, I had no problems setting the FSB to 125 MHz, pushing the CPU frequency to 2.87 GHz with the stock voltage. The only thing I haven't tried yet is do both at the same time (OC and UV the V_core), but might do that later when I finish testing the board. There's also still a few KZG caps left on the board that I need to get rid of (did an almost complete recap.) The CPU VRM low side is running a completely custom setup, though: 3x Fujitsu FPCAP 4V 820 uF and 2x Nichicon HZ 6.3V 2200 uF. The original caps were 5x UCC KZG 6.3V 3300 uF... so as you can see, I made quite a drop in the capacitance. I suppose putting a power-hungry P4 Prescott CPU will tell if that will be a problem or not. More work for another day.

My vote is for the best Northwood P4 you can stuff in it

Main pc: Asus ROG 17. R9 5900HX, RTX 3070m, 16gb ddr4 3200, 1tb NVME.
Retro PC: Soyo P4S Dragon, 3gb ddr 266, 120gb Maxtor, Geforce Fx 5950 Ultra, SB Live! 5.1

Reply 29361 of 29361, by yourepicfailure

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i dont know why
but suddenly I feel the urge to understand the computers/code between these cameras...

The attachment P_20250312_040543_1.jpg is no longer available

One of them has 8 whole bits of computing power,
while the other is... 4 massive bits. (HD63P05Y0 vs HD44860/HMCS47C)