4 Feb
2023
4 Feb
'23
6:37 a.m.
On Sat, Feb 4, 2023, 4:44 AM emanuel stiebler via cctalk <
cctalk(a)classiccmp.org> wrote:
23-216E5 23-217E5 M7555 16K RQDX3 T-11 code issue
1 0
23-217E5 23-216E5 M7555 16K RQDX3 T-11 code issue
1 1
23-243E5 23-244E5 M7555 16K RQDX3 T-11 code issue
2 0
23-244E5 23-243E5 M7555 16K RQDX3 T-11 code issue
2 1
23-285E5 23-286E5 M7555 16K RQDX3 T-11 code issue
3 0
up to RD53 only(?)
23-286E5 23-285E5 M7555 16K RQDX3 T-11 code issue
3 1
up to RD53 only(?)
23-339E5 23-340E5 M7555 16K RQDX3 T-11 code issue
4 0
Handles RD54
23-340E5 23-339E5 M7555 16K RQDX3 T-11 code issue
4 1
Handles RD54
Some good 30+ year old information here:
http://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardwar…
On 2023-02-03 22:48, Chris Zach via cctalk wrote:
http://www.dunnington.info/public/DECROMs/
http://www.dunnington.info/public/DECROMs/ROMlist
2) There are at least two RQDX3 ROM sets. The
earlier one does not
support the RX33 floppy and doesn't give any info during formatting. The
later version (Version 4) does support the RX33 and is a lot nicer.
Is it just the ROMs, or also some HW changes?
Do we have backup of the newer versions?