on 3/29/04 9:06 PM, Jeff Walther at [EMAIL PROTECTED] wrote:
> I'm not certain, but I think that true mask ROMs will last as long as > any other fixed content chip. The problem (I think) comes from > programmable devices. I have also heard the ~20 years lifetime. In > some cases, the "ROM" in our machines may actually be POEPROM > (Program Once Electrically Programmable Read Only Memory). In other > cases they may be actual EPROM, EEPROMs or Flash (probably not Flash > in a Compact). These types of chips may also have a limited content > life. > > Jeff Walther > You know, as I sit looking at my Apple IIe, pulled from a trash can, broken keys and missing top cover, I can't help but wonder what real problems the longevity of chips there are. This machine is about 22 years old(?). It boots without a moment's hesitation despite having been ravaged as described. I'm going to be inclined to go with Mr. LaPorte. If kept low-stressed, I can't see how these dudes can't help but keep on keeping on without any major need to reinvent their "wheels". Jeff -- Compact Macs is sponsored by <http://lowendmac.com/>. Support Low End Mac <http://lowendmac.com/lists/support.html> Compact Macs list info: <http://lowendmac.com/lists/compact.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive:<http://www.mail-archive.com/compact.macs%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
