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KDJ11-B... Almost :)

H

Hunta

Experienced Member
Joined
Mar 23, 2021
Messages
459
Location
Samara, Russian Federation
I wanted, as usual, something strange..
The result:
Code: 
Testing in progress - Please wait
Memory Size is 256 K Bytes
9 Step memory test
  Step 1 2 3 4 5 6 7 8 9


Message 04      Entering Dialog mode

Commands are Help, Boot, List, Setup, Map and Test.
Type a command then press the RETURN key: SETUP



KDJ11-B Setup mode      ROM V8.0

Command    Description

   1       Exit

   2       List/change parameters in the Setup table
   3       List/change boot translations in the Setup table
   4       List/change the automatic boot selections in the Setup table
   5       List/change optional user data in the Setup table
   6       List/change the switch boot selections in the Setup table
   7       List boot programs

   8       Initialize the Setup table
   9       Save the Setup table into the EEPROM
   10      Load EEPROM data into the Setup table

   11      Delete an EEPROM boot
   12      Load an EEPROM boot into memory
   13      Edit/create an EEPROM boot
   14      Save boot into the EEPROM
   15      Enter ROM ODT

Type a command then press the RETURN key: 1

Exit



Commands are Help, Boot, List, Setup, Map and Test.
Type a command then press the RETURN key: MAP


166.669 MHz

Memory Map
Starting   Ending       Size in    CSR          CSR     Bus
Address    address      K Bytes    address      type    type

00000000 - 00777776     256                             PMI


Press the RETURN key when ready to continue

I/O page Map
Starting   Ending
Address    address

17765000 - 17765776     CPU ROM or EEPROM
17770400 - 17770402
17772200 - 17772276     Supervisor I and D PDR/PAR's
17772300 - 17772376     Kernel I and D PDR/PAR's
17772516                MMR3
17773000 - 17773776     CPU ROM
17774400 - 17774416
17776520 - 17776526
17777400 - 17777416
17777520 - 17777524     BCSR, PCR, BCR/BDR
17777534
17777544
17777546                Clock CSR
17777560 - 17777566     Console SLU
17777570
17777572 - 17777576     MMR0,1,2
17777600 - 17777676     User I and D PDR/PAR's

Press the RETURN key when ready to continue

I/O page Map
Starting   Ending
Address    address

17777744 - 17777752     MSER, CCR, MREG, Hit/Miss
17777766                CPU Error
17777772                PIRQ
17777776                PSW

Commands are Help, Boot, List, Setup, Map and Test.
Type a command then press the RETURN key:
 
Ok, I did see that but went right past it. Doh. So it must be a really "fast" board? ;);)
 
The main joke is that it is "almost" KDJ11-B.
Actually this is a (deeply modified) PDP-2011 using a ROM from KDJ11-B :)
Variant of the test for compatibility with real J11 :)
 
Wow! 166.69MHz!

I'd love to see the actual board -- any photos?

This reminds me of the Quickware Engineering QED95 board set that I have.... fastest PDP-11 based machine ever made afaik. It might be for-sale/trades if anyone is seeking one!

-Chris
 
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