[Techtoolslist] Tweaking a 9010 z80 pod to be a z80b pod?

[John Robertson]

Colin Davies wrote:

> I s'pose you could at a push swap the crystal on the game pcb to a 

> slower one to do the fluke testing stuff with the slower z80 pod ???

>

> Obvioulsy the video wouldn't be to spec and such like....  but just a 

> thought... feel free to blow me out of the water...

>

> Once the fluke has found faults and you have repaired them, you would 

> re fit the old crysal and continue the troubleshooting...

>

> Regards, Colin

The problem might be with the CPU cable from the pod - the shorter the 
better, or find the twisted pair type CPU cable and put it on the 
Z-80(AA) pod.

John :-#)#

>

> ----- Original Message ----- From: <martin at guddler.co.uk>

> To: "Technical Tools Mail List" <techtoolslist at flippers.com>

> Sent: Tuesday, May 05, 2009 7:03 PM

> Subject: Re: [Techtoolslist] Tweaking a 9010 z80 pod to be a z80b pod?

>

>

>> MCR board sets are peculiar things. I have had only limited success  

>> using a 9010 with them. I found that most of the time a Run UUT 

>> simply  wouldn't work but occasionally it would. The chances improved 

>> when I  burnt my own set of ROMs. This was Tron incidentally. I think 

>> it had  something to do with the speed of the ROMs and the Z80CTC. 

>> I'd have to  find my test rom set to look up the speed of the roms 

>> that i ended up  using.

>>

>> I seem to recall that I was able to do rom and ram tests ok.

>>

>> I should probably point out that this is going back about 5 years 

>> now, hence the slightly vague response!

>>

>> Martin.

>>

>> On 1 May 2009, at 09:17, mike at the-coates.com wrote:

>>

>>> I can't think of any reason why it wouldn't work if you swopped the  

>>> CPU in the pod for a B version, although I've obviously been lucky,  

>>> my Z80 pod works fine at 6Mhz without me needing to do that.

>>>

>>> (I did however, replace the 12Mhz CPU with a 16Mhz one in my 68000  

>>> pod)

>>>

>>> ---

>>>

>>> Trying to get a pair of spy hunter boards working.  One is brain  

>>> dead and I want to run it through the 9010 paces.  But I don't have  

>>> a z80b pod.  Is it possible to mod a z80 pod to be a z80b pod?



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