P4 1.6 400FSB Chip which RAM ?

BEN_UK · 19 Jan 2006 at 12:44

Hello,

Just got a P4 1.6Ghz 400FSB chip for £20.

What RAM do i need for a CPU thats 400FSB.

I used to have a P4 3.0Ghz 800FSB and that needed PC3200.

Thanks Ben

Hawk Tuah · 19 Jan 2006 at 13:18

PC3200 should work fine.

DannyW · 19 Jan 2006 at 13:23

the 400fsb p4 chips only need DDR266 or PC2100 but they will fine with faster ram.

Phil99 · 19 Jan 2006 at 13:24

PC3200 will work fine.

PC1600 would match the FSB, but you can run dividers etc. so any DDR will work. My parent's P4 1.7GHz (400FSB) runs with PC2100 just fine.

Trigger · 19 Jan 2006 at 13:25

Is it Socket 478 or 423?

BEN_UK · 19 Jan 2006 at 14:16

Thanks lads will just buy a 512Mb stick of PC3200.

Its a socket 478 chip.

daz · 19 Jan 2006 at 16:09

You should be able to run the 1.6a at 2.16Ghz minimum without too much effort, which is a 133mhz FSB, and more than likely further. 133mhz is just handy for boards without PCI locks etc though.

I'd just get some PC3200 so as to be able to run the RAM at 3:4 ratio.

ajgoodfellow · 20 Jan 2006 at 00:20

Check your board - you might be unlucky and need RDRAM or SDR ram

HangTime · 20 Jan 2006 at 12:37

I'd go for at least PC2700 to give yourself some overclocking headroom (assuming it's a Northwood not Williamette core). My 1.6a ran at 2.6ghz on 162fsb.