[Techtoolslist] Berzerk and Fluke 9010a

[Grant Thienemann]

Hey Guys,

So I started messing it with again last night with the new memory map and I
think I have some broken traces on the VFB-1000 pcb, so I need to take it
back out and trace all the sockets that I replaced, I have confirmed that
the ram on the ZPU-1000 and BSC-1000 are good, so that is a plus.

-Grant


On Mon, Apr 21, 2014 at 5:36 PM, John Robertson <jrr at flippers.com> wrote:


> And I even misspelt Rodgers name...sorry Rodger!

>

> John ;-#)#

>

>

> On 04/21/2014 2:01 PM, William Stillwell wrote:

>

>> If battery damaged it could be lacking the power to power up the ram.

>>

>> And yeah, wrong address space :)

>>

>>

>>

>> -----Original Message-----

>> From: techtoolslist-bounces at flippers.com

>> [mailto:techtoolslist-bounces at flippers.com] On Behalf Of John Robertson

>> Sent: Monday, April 21, 2014 4:19 PM

>> To: Technical Tools Mail List

>> Subject: Re: [Techtoolslist] Berzerk and Fluke 9010a

>>

>> On 04/21/2014 1:11 PM, Rodger Boots wrote:

>>

>>> ?---!!  Wouldn't a Z80 have ROM starting at 0000?

>>> On Apr 21, 2014 2:19 PM, "Grant Thienemann"

>>> <grant.thienemann at gmail.com>

>>> wrote:

>>>

>> Oh, fine, tell me I didn't read the CPU info he gave...

>>

>> Gah!

>>

>> So, memory map for Berzerk...

>>

>> http://www.coinop.org/kb_dl.aspx/KB/gametech/berzerk%20tech.html

>>

>> Have fun Grant, sorry to give you the bum steer!

>>

>> Thanks Rodger for catching it!

>>

>>

>> John :-#)#

>>

>>> Hey Guys,

>>>>

>>>> I'm bound and determined to get my Berzerk working again. Currently I

>>>> have it working to the point that the game will boot however the game

>>>> will freeze randomly. List of things I have done:

>>>>

>>>> New sockets on the ZPU-1000 with new EPROMs and Z80 processor New ram

>>>> sockets on the VFB-1000 and I have 4164 ram and 4116 ram that I'm

>>>> looking into putting onto the VFB-1000.

>>>>

>>>> The BSC-1000 color board is fine, and the cleanest board I have on

>>>> the machine.

>>>>

>>>> When I go to do the short ram check on my Berzerk board set, the

>>>> 0-7FF fails, however the second one, 1000-17FF if I remember passes

>>>>

>>> correctly.

>>

>>> If anyone knows any tips or tricks with using the Fluke 9010a with a

>>>> Berzerk board set I would appreciate it.

>>>>

>>>> Thanks

>>>> Grant

>>>>

>>> --

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>>

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