PDP-11: Disk over Serial proposal
Tim Shoppa
shoppa at alph02.triumf.ca
Mon Dec 8 10:14:41 AEST 1997
> Well, my KDJ11 systems are somewhat non-standard, so it's possibly not
> relevant. I can't easily check ATM, as they're running live Unix systems :-)
> My point
> was that I didn't think the TU58 was in all revisions of the bootstrap ROMs.
>
> I know how to get the information (from a variety of revisions and CPUs)
> because I not only have the documentation, I used to be employed as a
> maintenance 'engineer' on QBus systems.
OK, then, I *think* the most complete official summary of hardware bootstraps is
Micronote #15, something that every Q-bus maintenance engineer ought to
have readily available... If our esteemed list-owner will allow me to post an
excerpt from it:
*begin excerpt*
+============+======================================================+
| | |
| BOOT | DESCRIPTION |
| DEVICE | |
| | |
+============+======================================================+
| BDV11 | Bus Terminator, Bootstrap & Diagnostic ROM |
| | used primarily with older LSI-11 configurations |
+------------+------------------------------------------------------+
| MXV11-A2 | Bootstrap ROM set designed for MXV11-A board |
+------------+------------------------------------------------------+
| MXV11-B2 | Bootstrap ROM set designed for MXV11-BF & MRV11-D |
+------------+------------------------------------------------------+
| KDF11-BA | Bootstrap ROM on board PDP-11/23+ systems |
+------------+------------------------------------------------------+
| KDF11-BE | Bootstrap ROM on board MicroPDP-11/23 systems |
+------------+------------------------------------------------------+
| KDF11-BF | New Bootstrap ROM for PDP-11/23+ and MicroPDP-11/23 |
+------------+------------------------------------------------------+
| KXT11-A2 | Bootstrap ROM on board Falcon |
+------------+------------------------------------------------------+
| KXT11-A5 | Bootstrap ROM on board Falcon-Plus |
+------------+------------------------------------------------------+
| KDJ11-B | Bootstrap ROM on board MicroPDP-11/73 CPU |
+------------+------------------------------------------------------+
| uVAX I | Bootstrap ROM on board MicroVAX I CPU |
+============+======================================================+
Page 2
BOOTSTRAP DEVICE SUPPORT
+==========+==========+==========+==========+==========+==========+
| DEVICE | BDV11 | MXV11-A2 | MXV11-B2 | KDF11-BA | KDF11-BE |
| | | | | | |
| | Rev A | |see Note 2| part no | part no. |
| | | | | 23-339E2| 23-157E4|
| |see Note 1| | | 23-340E2| 23-158E4|
+==========+==========+==========+==========+==========+==========+
| RX01 | X | X | X | X | X |
+----------+----------+----------+----------+----------+----------+
| RX02 | X | X | X | X | X |
+----------+----------+----------+----------+----------+----------+
| TU58 |see Note 1| X | X | X | X |
+----------+----------+----------+----------+----------+----------+
| RL01/2 | X | X | X | X | X |
+----------+----------+----------+----------+----------+----------+
| MRV11-C | | X | | X | |
+----------+----------+----------+----------+----------+----------+
| MRV11-D | | | | | |
+----------+----------+----------+----------+----------+----------+
| RK05 | X | X | | | |
+----------+----------+----------+----------+----------+----------+
| RX50 | | | X | | X |
+----------+----------+----------+----------+----------+----------+
| RD51 | | | X | | X |
+----------+----------+----------+----------+----------+----------+
| RD52 | | | | | |
+----------+----------+----------+----------+----------+----------+
| TSV05 | | | X | | |
+----------+----------+----------+----------+----------+----------+
| TK25 | | | | | |
+----------+----------+----------+----------+----------+----------+
| RC25 | | | | | |
+----------+----------+----------+----------+----------+----------+
| DEQNA | | | | | |
+----------+----------+----------+----------+----------+----------+
| DLV11-E | X | | X | X | |
+----------+----------+----------+----------+----------+----------+
| DLV11-F | X | | X | X | |
+----------+----------+----------+----------+----------+----------+
| DUV11 | X | | X | X | |
+----------+----------+----------+----------+----------+----------+
| DPV11 | | | X | | |
+==========+==========+==========+==========+==========+==========+
Page 3
BOOTSTRAP DEVICE SUPPORT
+==========+==========+==========+==========+==========+==========+
| DEVICE | KDF11-BF | KXT11-A2 | KXT11-A5 | KDJ11-B | uVAX I |
| | | | | | |
| | part no | | |available |available |
| | 23-183E4| | | on CPU | on CPU |
| | 23-184E4| | |board only|board only|
+==========+==========+==========+==========+==========+==========+
| RX01 | X | X | X | X | |
+----------+----------+----------+----------+----------+----------+
| RX02 | X | X | X | X | |
+----------+----------+----------+----------+----------+----------+
| TU58 | X | X | X | X | |
+----------+----------+----------+----------+----------+----------+
| RL01/2 | X | | X | X | |
+----------+----------+----------+----------+----------+----------+
| MRV11-C | | | | | |
+----------+----------+----------+----------+----------+----------+
| MRV11-D | | | | | X |
+----------+----------+----------+----------+----------+----------+
| RK05 | | | | X | |
+----------+----------+----------+----------+----------+----------+
| RX50 | X | | X | X | X |
+----------+----------+----------+----------+----------+----------+
| RD51 | X | | X | X | X |
+----------+----------+----------+----------+----------+----------+
| RD52 | X | | | X | X |
+----------+----------+----------+----------+----------+----------+
| TSV05 | X | | | | |
+----------+----------+----------+----------+----------+----------+
| TK25 | X | | | X | |
+----------+----------+----------+----------+----------+----------+
| RC25 | X | | |See note 3|See note 3|
+----------+----------+----------+----------+----------+----------+
| DEQNA | X | | | X | X |
+----------+----------+----------+----------+----------+----------+
| DLV11-E | | | | X | |
+----------+----------+----------+----------+----------+----------+
| DLV11-F | | | | X | |
+----------+----------+----------+----------+----------+----------+
| DUV11 | | | | X | |
+----------+----------+----------+----------+----------+----------+
| DPV11 | | | | | |
+==========+==========+==========+==========+==========+==========+
Page 4
NOTES:
------
(1) The information in the BDV11 column refers to the Rev A
chips. There were also Rev O chips and an additional TU58
chip that can be added to the board:
Rev O:
Part numbers 23-010E2, 23-011E2
Does NOT support:
DLV11-F, RX02 as bootable devices
TU58 ROM:
Part number 23-126F3
Inserted into socket XE40. Other ROM must be
Rev A. Allows use of the TU58 DECtape II as
a bootable device.
*end excerpt*
It looks to me like the only devices with more complete than TU58
hardware bootstrap support in the Q-bus world are RX01 and RX02... and
RX02 is already supported for the standalone utilities in
BSD2.11, thanks to the efforts of someone who will here go nameless :-)
Tim.
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