At 22:30 -0400 on 26/07/01, Amber Rhea wrote:
>on 7/26/01 9:19 PM, (Vintage Macs) at [EMAIL PROTECTED] wrote:
>
>> Well you don't need 80ns SIMMs. You need 80ns or FASTER SIMMS. This means
>> you can buy SIMMS from places such as MacConnection or MacMall (if you
>> don't mind their prices) as long as they are faster than 80ns; that is
>> 70ns, 60ns or some such (if such thing exist).
>
>I've often wondered what would happen if one tried SLOWER SIMMs that those
>listed as the minimum requirement. Everymac.com has various Macs noted as
>requiring 80ns, 70ns, 60ns, et al. My curiosity hasn't been so burning that
>I've bought slower SIMMs for this purpose and tried them in a Mac, but it
In some, it will cause occasional instability. In most, it will cause
outright failure of the machine, which will give the CoD or refuse to boot,
often mysteriously.
Tidbit: the RAM soldered onto a IIsi motherboard can often be used to
determine the maximum overclockable speed. If it's 100ns RAM, don't go
over about 25MHz or so. If it's 80ns, you can go to about 28MHz safely.
Some people have had success up to about 29MHz but the floppy controller
starts to crap out around that speed.
p
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