On Mar 12, 2010, at 4:46 PM, Diane Rohlman wrote:
Unfortunately it will not work with a serial port adaptor. The software is recording latencies from our external keyboard and we would have to reprogram that driver to make it work. That is why we need to have the old computers.
The term "serial port" is ambiguous. Macs all use a DIN-8 serial connector. For keyboard, Macs used the ADB (Apple Desktop Bus) connector which is a 4-pin connector identical to a 4-pin S-Video connector. PCs can use DB-9 or DIN-9 (also called "AT"), but never use a DIN-8 or ADB.
It sounds to me like you're either using a non-Mac (PC) serial keyboard; or you're mistakenly using the term "serial" when you really mean "ADB" for the 4-pin ADB cable that looks superficially similar the the Mac DIN-8 serial cable.
If you need a G3 PowerBook with an external ADB port for an old ADB Mac keyboard, the final model with the external ADB was the 300MHz "PDQ" Wallstreet from Sept.'98. ALL Wallstreet G3 PowerBooks, as well as the Kanga G3 have an external ADB port.
If you mean you have a keyboard that uses a PC serial port (either type), there is no such thing on a Mac unless you use an adapter or splice custom cables. I don't think there are any keyboards the use a Mac serial DIN-8 connector, so that's moot. I'm pretty certain you just used the wrong term "serial" when you really meant "ADB"?
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