Re: 6545 = 6845 ???

From: Geoffrey D. Oltmans (
Date: 1999-04-20 21:52:23

On Tue, 20 Apr 1999, Ruud Baltissen wrote:

> Hallo allemaal,
> Until yesterday I was sure that a 6545 was the MOS-version of the 6845.
> This was confirmed by someone who repaired his 8032 with a 6845.
> Yesterday I tried to repair an 8032 with video problems. So I started 
> with replacing the 6545 with a 6845. Before I had at least some 
> video, now none at all. So I tried three original Motorola 6845s with 
> a good 8032: same problem. But using the 46505/68B45 from Hitachi 
> worked out allright. To make it even more confusing, the three 
> Motorolas and the Hitachis work allright on a CGA or MGA card. 
> Has anyone an idea of the confusing behaviour of the original 6845 
> versus the Hitachi 68B45 ???

I was under the impression that the only difference between the 68/6545
was that the 6845 was faster... is this not the case?


This message was sent through the cbm-hackers mailing list.
To unsubscribe: echo unsubscribe | mail

Archive generated by hypermail 2.1.1.