GUEANT Fabrice schreef:
> Hello MSXFans,
>
> I have received yesterday a 7Mhz Kit and an IDE interface for my Sony
> HBF700F. But I have few problems :
>
> 7Mhz Kit :
>
> I bought it to Miri Software (very sympathic persons), but the doc's kit
> seems to be for philips computers, it speaks of RS7 resistor in front of
> the VDP, but I only have a RS307 resistor , is it the same ?
>
> I have (according to me) make all the connections well but it doesn't
> accelerate anything (I might do something bad) did someone install this
> kit on a sony hbf700f ?
>
> Now I have display problems, in text mode, when the screen scroll (in
> fact when there is text on the last line) the text is jamming all over
> the screen, have you ever had this problem ?
>
I don't know how your 7 Mhz kit is designed but
normaly you have to replace resistor array RB1, you have to remove
wire (jumper) Fb301 (next to the VDP) and connect a wire from
ic 16 pin 10 to the 7Mhz pcb
when the picture get jammed there is somting wrong with the delay.
there are 2 possible ways to do this. (1) 2 wires from the vdp to the 7mhz
(2) 1 wire from the cpu (pin 20 ??) to the 7mhz , the 7mhz is on top of the cpu
so its a very short wireand normally already present on the kit.
and ofcourse you have to connect the led and the switch.
check these points , if it still wont work you can always ask again.
erik de boer
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