On Wednesday, May 26, 2021, 09:14:16 PM PDT, Zane Healy
wrote:
[[ reference to service manual for converting BA400 to BA400X ]]
>Do you happen to know what Manual this is? I’ve spent a lot of the last
>couple days reading up on the BA430/B400X, and the :KA640/KA660.
I looked for it
On Wed, May 26, 2021 at 2:35 PM Zane Healy wrote:
>
> Except for the DSSI cable strangeness, it’s a really nice chassis. Though
> after a LOT of reading in the last 24 hours, may are right on it being a
> mongrel. It also explains my confusion as to what it is. :-)
>
>
On Wed, May 26, 2021 at 3:38 PM Jonathan Stone wrote:
>
> two points:
>
> 1. MS650-AA 8mb modules from a KA650 will work in a KA640. They won't work
> with a KA655 or a kA660 (or a KN210_. Those need the MS650-BA, or the 16MB
> MS650-BB, or the third-party 32MB modules. So if your KA640 is dead
On Wed, May 26, 2021 at 2:35 PM Zane Healy wrote:
>
> One question, do I need to worry about the batteries on the H3602-SA panel?
> I can’t imagine that this would be causing any issue.
>
Yes, you do need to worry about the Ni-Cad battery pack on the
H3602-SA panel. Remove it and throw it
On May 26, 2021, at 3:38 PM, Jonathan Stone wrote:
> On Wednesday, May 26, 2021, 02:35:32 PM PDT, Zane Healy via cctalk
> wrote:
> []
>
> two points:
>
> 1. MS650-AA 8mb modules from a KA650 will work in a KA640. They won't work
> with a KA655 or a kA660 (or a KN210_. Those need the
On Wednesday, May 26, 2021, 03:38:43 PM PDT, Jonathan Stone via cctalk
wrote:
Please ignore point 2. Even the KN220 uses an M9715 in the slot between its
CVAX I/O board and the power supply.
On Wednesday, May 26, 2021, 02:35:32 PM PDT, Zane Healy via cctalk
wrote:
[]
two points:
1. MS650-AA 8mb modules from a KA650 will work in a KA640. They won't work with
a KA655 or a kA660 (or a KN210_. Those need the MS650-BA, or the 16MB MS650-BB,
or the third-party 32MB modules.
> On May 25, 2021, at 3:50 PM, Glen Slick via cctalk
> wrote:
>
> On Tue, May 25, 2021 at 1:32 PM Zane Healy wrote:
>>
>>
>> It turns out that the oddness was the CPU Board, and a 16MB Clearpoint RAM
>> board. What I thought was the CPU, is really the header panel over the RAM
>> and
On Tue, May 25, 2021 at 8:33 PM Zane Healy via cctalk
wrote:
>
> I just pulled out my blue box of fiche (VAX MDS), and verified I have the
> B400X manual, which isn’t online. I’ll see about borrowing a fiche reader
> tomorrow. I’ve never bothered to get one, I just borrow my Mom’s portable
>
On May 25, 2021, at 3:09 PM, Antonio Carlini via cctalk
wrote:
>
> SII is the built-in DSSI interface. Is it terminated properly?
As best as I can tell, especially after taking it partially apart this
afternoon, it is. The terminator glows green.
> SSC is (iirc) the System Support Chip ...
On Tue, May 25, 2021 at 1:32 PM Zane Healy wrote:
>
>
> It turns out that the oddness was the CPU Board, and a 16MB Clearpoint RAM
> board. What I thought was the CPU, is really the header panel over the RAM
> and TK70 controller. There is also a M9715 between the CPU and the
> powersupply
On 25/05/2021 18:53, Zane Healy via cctalk wrote:
I’m still not 100% sure if this is a 3300 or a 3400. It’s in a BA400X chassis,
and after looking at the manuals last night, it seems like it’s closer to the
3400. My familarity with Q-Bus MicroVAXen is limited to MicroVAX/VAXstation
II’s, and
On May 25, 2021, at 11:54 AM, Glen Slick via cctalk
wrote:
>
> On Tue, May 25, 2021 at 10:54 AM Zane Healy via cctalk
> wrote:
>>
>> One odd thing is that the KA640-A seems to plug into another board, before
>> the DSSI drives. I’m getting ready to dig into that, and find out what that
>>
On Tue, May 25, 2021 at 10:54 AM Zane Healy via cctalk
wrote:
>
> One odd thing is that the KA640-A seems to plug into another board, before
> the DSSI drives. I’m getting ready to dig into that, and find out what that
> board is.
>
Is that an M9715 board plugged into the backplane between the
I’m still not 100% sure if this is a 3300 or a 3400. It’s in a BA400X chassis,
and after looking at the manuals last night, it seems like it’s closer to the
3400. My familarity with Q-Bus MicroVAXen is limited to MicroVAX/VAXstation
II’s, and a MicroVAX 3.
After getting a power cable (the
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