Messages in this thread | | | Date | Tue, 5 Feb 2002 07:59:42 +0100 | From | Cliff Albert <> | Subject | Re: 512 Mb DIMM not detected by the BIOS! |
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On Mon, Feb 04, 2002 at 12:17:10PM +0100, Wojtek Pilorz wrote:
> > This is a chipset problem. Chipsets support up to x CAS (column) lines > > and y RAS (row) lines, and depending on your DIMM memory module layout > > and configuration, you 512MB DIMM will be detected as a different sized > > module. > > > > Eg. The venerable Intel 440BX (PII) chipset supports a max of 256MB per > > slot. Ah well. > > > > I had similar problem - on an Intel 440BX based motherboard (ABIT BX-133 > RAID) the 256MB DIMMs I originally got were only 'half-detected' (e.g. I > got only 128MB from each one); These DIMMs were working OK on some > VIA-based systems; after changing them to a different type (both old and > new were ECC DIMMs from Kingston, just different type) they are working > OK. > > I it could be of any help, I can find the part numbers/names of my DIMMs. > > > Since it's a chipset (ie hardware) issue, it's not possible to work > > around this problem - you need a newer chipset. Sorry. > Or maybe another DIMM type - at least I was able to successfully use 256MB > DIMMs of appropriate type.
Double Sided 256MB Dimms are required, single sided dimms rarely work on BX-based boards.
-- Cliff Albert | RIPE: CA3348-RIPE | www.oisec.net cliff@oisec.net | 6BONE: CA2-6BONE | icq 18461740 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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