🚀 go-pugleaf

In article <1993Jan11.085528.27858@nuscc.nus.sg> isc10085@nusunix1.nus.sg (NG YENG YONG) writes:
>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.
>


-10 would mean 100ns, -07 (or -7) would be 70ns, etc. 

>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.
>

If the SIMMs are too slow for the machine they will: 1)work without any
problems or 2)produce errors ranging from GPFs to parity errors either all of
the time or intermitantly.  

---JRE---
>
>
>Best regards,
>Steve
>
>
>===========================================================================
>=                                          =                              =
>=  Ng Yeng Yong, Steve                     =   Life is short,             =
>=  ISC10085@NUSUNIX1.NUS.SG                =       Play Hard,             =
>=  1st Year, Computer Science              =            Work Hard,        =
>=  Department of Information System        =                 Have Fun.    =
>=  and Computer Science (DISCS)            =   So, let our hair down      =
>=  National University of Singapore (NUS)  =      and have lots of fun.   =
>=                                          =                              =
>===========================================================================
>


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