> Found some information on chipdir (http://www.fer.nu/chipdir/)
> The SDT means that the IC comes from ITT (=Micronas) or Motorola.
>
> On the other hand the 7132 would mean that it is a 2k*8 Dual-Port SRAM

This would then be the SRAM required by the ZR36016 then. Don't think there 
will be any trouble with that chip.

> Whow does the IS look like ? Nuber of Pins ....
> Or you could send me a picture from the DC20 or the IC if you have a
> digital camera.

That would be nice. Also, after further investigation, I found that the 
QL16x24B (not 248) might be the PCI interface. I'm not sure about that, as 
all the information I've been able to found was a website containing a list 
of the chips presents on the DC10, DC20 and DC30, and the QL16x24B was listed 
in the first place, next to the ZR36057 and ZR36067.

I still hope this is not the case (could a whole ZR36057/67) be contained in a 
~11k gates FPGA ? This seems quite low to me. On the other hand, maybe the 
QL16x24B is a basic PCI interface, with the other chip (under the head sink) 
being a bigger FPGA containing the rest of the logic. This could make sense, 
as the chip has nonvolatile custom logic (I thought all the FPGAs where 
volatile), and could be used as a base PCI interface to let the driver upload 
the firmware to the other FPGA. If this is the case, we are probably screwed.

Laurent Pinchart



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