Hiya Craig, Nope, I think M.V. has got it right. Its a "Turbo Pocess". --- "Craig S. Levay" <levay@tcfreenet.org> wrote: > Could it be one of those legendary Schnedler > accelerators which I think > from an old advertisement runs at about 4 megahertz? > > Craig LeVay > > > On Fri, 9 Mar 2001, Professor Dredd wrote: > > > I recently picked up an odd card for the C-64 > which > > appears to be an accelerator. I need help > identifying > > the card and getting documentation. This is NOT a > > SuperCPU! > > > > The board is blue colored and bears a single > > identifying mark "4 Mhz". It contains the > following > > components: > > 65816 processor W65C816P-5 > > EPROM GI 27C256-15 > > a DIP-block with 8 toggle switches > > a single red LED > > 1 250K Ohm variable resistor > > 1 1K Ohm variable resistor > > 1 3 pin connector > > 1 2 pin connector > > 1 pushbutton momentary-contact switch connected to > > (RESET) > > > > The 'solder' side of the board contains a one > > component, a VARTA SafeTronic 2.4v 100mA > black-box. I > > think this is either a real-time clock or possibly > a > > battery unit for saving configuration settings. > > > > With the card plugged in, the computer powers up > with > > blue border and blue screen and the message > > "TURBO-PROCESS 38911 BASIC BYTES FREE" > > > > The card contains its own KERNAL which defeats the > > Commodore-RUN/STOP shortcut for LOAD":*",8 on my > > SX-64. > > > > I'm afraid to mess with the variable resistors > since > > tuning a resistor to zero Ohms may damage other > > componenets if they depend on it for a load. I > have > > been experimenting with the dip switches and > here's > > what I've found: > > > > Switch #1 - Enable/Disable, seems to totally kill > the > > card when set to zero although the LED remains > lit. > > > > Switch #2 - No apparent effect. > > > > Switch #3 - No effect. > > > > Switch #4 - When enabled the computer resets to a > > flashing border, but no BASIC prompt or screen > display > > of any kind. > > > > Switch #6 - No effect. > > > > Switches #7 and #8 - Enabling either of these > switches > > prevents BASIC from starting on reset. No menu or > > other screen display. > > > > And Switch #5 (OH YEAH!) - With #5 enabled the > > computer powers up with blue border, black > background > > and yellow cursor. The sign-on message at the top > of > > the screen is green and reads: > > "**COMMODORE 64 & TURBOPROCESS**" > > "38911 BASIC BYTES FREE SYSTEM 3 (UP)" > > > > In this mode there is a "@" DOS wedge present. > > LOADing a basic program yeilds the response: > > "SEARCHING" > > "LOADING TO AREA: 0801-0869" > > > > Some programs work with the card, others not, but > I > > don't notice any acceleration. > > > > Can anyone help me identify this card and learn > more > > about it, please? > > > > ===== > > Get a FREE 6Mb webmail box from go6502! - > http://www.geocities.com/profdredd > > > > As low as 2.99% Intro APR from NextCard! - > http://www.nextcard.com/index6.html?ref=aff0074521 > > > > PayPal is the FAST FREE and SECURE way to send > money! - > https://secure.paypal.x.com/refer/pal=profdredd%40yahoo.com > > > > __________________________________________________ > > Do You Yahoo!? > > Get email at your own domain with Yahoo! Mail. > > http://personal.mail.yahoo.com/ > > - > > This message was sent through the cbm-hackers > mailing list. > > To unsubscribe: echo unsubscribe | mail > cbm-hackers-request@dot.tml.hut.fi. > > > > - > This message was sent through the cbm-hackers > mailing list. > To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tml.hut.fi. ===== Get a FREE 6Mb webmail box from go6502! - http://www.geocities.com/profdredd As low as 2.99% Intro APR from NextCard! - http://www.nextcard.com/index6.html?ref=aff0074521 PayPal is the FAST FREE and SECURE way to send money! - https://secure.paypal.x.com/refer/pal=profdredd%40yahoo.com __________________________________________________ Do You Yahoo!? Yahoo! Auctions - Buy the things you want at great prices. http://auctions.yahoo.com/ - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tml.hut.fi.
Archive generated by hypermail 2.1.1.