Date: Sat, 11 Jul 1998 13:33:40 -0400 From: Omar Thameen <omar@clifford.inch.com> To: "Kenneth D. Merry" <ken@plutotech.com> Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: 64M SIMM differences Message-ID: <19980711133340.A12836@clifford.inch.com> In-Reply-To: <199806210259.UAA20389@panzer.plutotech.com>; from Kenneth D. Merry on Sat, Jun 20, 1998 at 08:59:22PM -0600 References: <19980619134635.A21640@clifford.inch.com> <199806210259.UAA20389@panzer.plutotech.com>
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On Sat, Jun 20, 1998 at 08:59:22PM -0600, Kenneth D. Merry wrote: > Omar Thameen wrote... > > In addition to all the parity/nonparity, EDO issues, I've been made > > aware that there are 2 types of 64M SIMMs - one has 8 chips on it and > > the other has 32 chips. > > > > Is there a difference in performance for these two types? The fact > > that the 32 chip 64M SIMM is half the price of the 8 chip version > > indicates one thing, but OTOH I called Kingston and their tech > > support told me that the SIMMs perform the same. > > I think the performance will be the same for the two types of > SIMMs, but the thing to remember is that some motherboards can't take the > ones with more chips. In particular, most ASUS boards need SIMMs with 25 > chips or less each. > > So, if you've got an ASUS board or if your manufacturer says > something about it, get the SIMMs with the lower chip count. > > Ken > -- > Kenneth Merry > ken@plutotech.com Sorry for the delay in following-up, but I still wanted to let you all know how it turned out. We did have ASUS motherboards, and after Ken pointed out the dependency, we went to the website. The spec's said that they could take up to 100 chips on the SIMMs. We ordered one set of 64M SIMMs with 24 chips/SIMM and another set with 8 chips/SIMM. The 24 chip SIMMs were just plain ugly, looking like two 32M SIMMs on top of each other. We tried them since the 4x24 = 96 was under the 100 chip limit, but found our machine rebooting every hour and a half, presumably coinciding with more SIMM memory being used. We replaced them with the 8 chip SIMMs, and haven't had a problem since. Omar To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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