id this HP 1000 CCA - HP 5061-3432

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Mon May 12 17:48:00 2003

> Found another HP 1000 today :-) It has three CCAs that I can't identify.
> They're all PN 5061-3432. Besides the usual TTL logic they have the
> following socketed ICs; 8 4116 memories, one EPROM and the following Zilog
> ICs; (2) Z8430A PS, (2) Z8410A PS, Z8400A PS, Z8442A PS. Anybody know what
> these are?


I can tell you what the chips are.. They're standard Z80 family devices.

Z8430A = Z80A CTC (Counter Timer)
Z8410A = Z80A DMA (Direct Memory Access controller)
Z8400A = Z80A CPU
Z8442A = Z80A SIO (Serial interface)


This sounds like some intellegent comms board...

-tony
Received on Mon May 12 2003 - 17:48:00 BST