Re: TECH: Major Havoc crystal question

Thanks for the info. I'll be replacing it with the correct crystal eventually, but the board was sold to me untested, and as such, I just want to plug it in to see if it works.

A6 is Y1, so if it only affects the music. No big deal to me :)

Thanks again!
Brian

*********** REPLY SEPARATOR ***********

On 3/14/2002 at 1:14 PM LOUIS SRIANOMAI wrote:

>Brian,
>
>Off hand, I don't know which one A6 is but:
>
>Changing Y1 to 10mhz will make the music faster
>
>Changing Y2 to 10 mhz will make the game play faster and will affect the
>XY slew rate. I'm not sure what it'll do to a WG monitor.
>
><snip from Jess's post regarding game difficulty>
>
> If you want to make it even easier
> Put a 9MHz crystal at Y1
> 8MHZ crystal at Y2
>This is how the conversion boards are set up so that the XY outputs are
>slow enough for the slow slew rate of the Wells-Gardner monitors. The
>amplifone monitors are much faster and tighter and can handle the
>quicker XY inputs.
>
><end snip>
>
>I don't have an ampliphone, and most of my MH conv boards have different
>mixes
>between 8 and 9 mhz crystals and play just fine. If I were you, I'd
>replace it
>with an 8 mhz (if you can't get a 9.xxx) if you're using a WG, plus the
>game's
>just too damn hard (okay I suck at it).
>
>L.
>
>
>
>--- Brian Deuel <atari1@chartermi.net> wrote:
>> I received a Major Havoc PCB in the post today, and the 9.2160 mhz
>crystal
>> near A6 was broken off (of course). Can I substitute a 10 mhz or similar
>> crystal for testing purposes, or is this an operation-crucial component?
>>
>> Thanks in advance for any help offered.
>>
>>
>> Brian Deuel
>> briandeuel@chartermi.net
>> http://rgvac.978.org/~atari
>>
>>
>---------------------------------------------------------------------------
>> ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in
>the
>> ** message body to vectorlist-request@synthcom.com. Please direct other
>> ** questions, comments, or problems to neil@synthcom.com.
>
>
>__________________________________________________
>Do You Yahoo!?
>Yahoo! Sports - live college hoops coverage
>http://sports.yahoo.com/
>---------------------------------------------------------------------------
>** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
>** message body to vectorlist-request@synthcom.com. Please direct other
>** questions, comments, or problems to neil@synthcom.com.

Brian Deuel
briandeuel@chartermi.net
http://rgvac.978.org/~atari

---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to neil@synthcom.com.
Received on Thu Mar 14 15:19:43 2002