🚀 go-pugleaf

Albert Chu (jacklord@jhunix.hcf.jhu.edu) wrote:
: Forgive this newbie question, but . . .
: I'm looking to increase the amount of RAM in my 386-33.  It uses the standard
: 3 chip SIMMs, but I don't know the speed (ns) of the existing SIMMs.  What
: possible problems could arise if the speeds don't match from one bank to 
: another, and if it is not advisable to do this, is there anyway to determine
: the speed of the existing SIMMs (besides calling the vendor, since I have
: acquired my system second hand, and the previous owner has no clue)?

Hello, you can find out the speed of the SIMMS from the chip itself. On
the first row of codes, the last 2 digits indicate the speed of the
chips. For Eg, 70 means 70 ns, 12 means 120 ns, 10 means 10 ns and so
on.

Different speeds of SIMMs on different banks should not pose any problem
to the system, but the RAM read/write wait state must be set to the
slower RAMs.



Best regards,
Steve


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