All, found this buried deep in an article on M100 ROM sockets Interesting observation about a potential difference with the Multiplan ROM?
Mike Sent from my iPhone Begin forwarded message: > From: Michael Malecha <[email protected]> > Date: February 9, 2023 at 1:10:34 PM CST > To: Comcast <[email protected]> > Subject: text > > > In the Model 100, pin 23 is labelled as a 2nd /CS (aka /CE), but is connected > to the ALE bus signal. > To be clear, I don't mean CS2, I mean a 2nd active-low /CS1. The very few > option roms that natively have the non-standard Model 100 pinout (MS > MultiPLAN, Ineractive Solutions) require pin 23 be connected to /CE. > Most (all?) other option roms are constructed from standard 27C256's in > various forms of pinout adapters. > A 27C256 does not have an ALE pin nor a 2nd /CS pin, and does not need pin 23 > connected to anything. > The jumpers allow pin 23 in the Molex socket to be connected to nothing, GND, > VCC, VPP, or /CE. > > Mike Malecha > Sr. Director Quality Assurance > > > Cardiovascular Systems, Inc. > 1225 Old Highway 8 NW > Saint Paul, MN 55112 > > 651.259.2043 - Direct > 612.437.7423 - Mobile > [email protected] > > > > This message and any attachment(s) hereto contain confidential information of > Cardiovascular Systems, Inc. (“CSI”) and are for the intended recipient’s use > only. If you are not the intended recipient, you may not use, disclose or > reproduce this message, any attachments or any part thereof, or take any > action in reliance thereon. Trading in CSI securities while in possession of > the information set forth in this message and its attachments, or disclosing > the information to someone who trades in CSI securities, may result in > violations of federal and state securities laws and subject you to civil and > criminal penalties. The addressee of this message is responsible for > maintaining the confidentiality of the information set forth in this message > and its attachments.
