]3ob wrote:
On 2009-06-08 19:07:09 -0400, "Garberstreet Electronics" <willy46pa@comcast.net> said:"]3ob" <bob [ @ ] onemanband.com> wrote in message news:2009060818452516807-bob@onemanbandcom...On 2009-06-08 18:27:53 -0400, aiiadict@gmail.com said:On Jun 8, 2:57 pm, ]3ob <bob [ @ ] onemanband.com> wrote:GSP (looks like company logo silked on the board), has a big Zilog 8530chipgoogle says that chip is a serial controller. Serial card card in plastic: put it in slot 7, turn on computer. type call-151 at the ] prompt type c700l at the * prompt if the card has ROM, this will list it's contents, and we might be able to id the card this way. you can also try typing PR#7 and see if it tries to do anything or prints a message on screenAll it gave me was 6E at 7001.That would have been C700L, not 7001, which means to list the contents of ram assembled starting at Memory location $C700.Garberstreet Electronics http://www.garberstreet.comC700 doesn't have much either: A0 A0 A0 B0 A0 ... nothing really that screams out ID at me there.
That means that the card doesn't have a ROM mapped to "slot space", since what you are seeing is "phantom video data" left on the bus by the video refresh. (Repeated displays will show different data.) Because of the potting, I'd bet it's a "dongle" required to allow a relatively expensive application program to run. -michael ******** Note new website URL ******** NadaNet and AppleCrate II for Apple II parallel computing! Home page: http://home.comcast.net/~mjmahon/ "The wastebasket is our most important design tool--and it's seriously underused."