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Type: Posts; User: cruff

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  1. Replies
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    2,135

    Look for...

    Look for TMS9927_TMS9937_Single-Chip_Video_Timers_Controllers_Data_Manual_Jun82.pdf on Bitsavers.
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    2,135

    Yes, that is entirely possible. Did you also use...

    Yes, that is entirely possible. Did you also use the other video sync signals from the 9937 to synchronize the video stream out of the 8002? Were you able to trace where these signals go? Do they go...
  3. Correct, paint thinner for solvent based paints,...

    Correct, paint thinner for solvent based paints, water for water based paints. Try testing on one bottle, that way if you over dilute it you can add paint from the second one to thicken it back up.
  4. You'll need to experiment a little then. You will...

    You'll need to experiment a little then. You will need to thin it until it flows freely. Maybe start by thinning by a 10:1 paint:thinner ratio and see how that changes how it flows as you pour it...
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    171

    Can you post the contents of the configuration...

    Can you post the contents of the configuration file you are using?
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    171

    Be sure to remove any devices from your kernel...

    Be sure to remove any devices from your kernel configuration that you don't need.
    Here are the makefile definitions from my 11/73:

    CONF= scb.o \
    mch_backup.o mch_click.o mch_copy.o...
  7. Are there any instructions in the sprayer you...

    Are there any instructions in the sprayer you have? Obviously you need the paint to flow freely up the intake tube through the nozzle. How viscous is the undiluted paint?
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    171

    I think there is a different makefile for the net...

    I think there is a different makefile for the net kernel, did you start with that? Did you adjust the overlay segment allocation of .o files? Have a look at this old newsgroup article and see if this...
  9. Make sure the thinner you select doesn't cause...

    Make sure the thinner you select doesn't cause the plastic case material to fall apart. Be sure to test it on a suitable "inconspicuous location" before you thin the paint. The amount you need...
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    251

    Probably because the >>> prompt is not a Unix...

    Probably because the >>> prompt is not a Unix prompt, but the Alpha boot ROM. Have you been able to determine if there is a "single user" style boot available for those printer controllers? Why do...
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    Yes, that will work, for CPUs without a serial...

    Yes, that will work, for CPUs without a serial port you will need a board that is capable of acting as the standard console port interface. You may find it useful to have an Ethernet interface also.
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    683

    All unused inputs must be tied to an appropriate...

    All unused inputs must be tied to an appropriate logic level. You could use a higher value resistor if you have some handy, the idea is to stop noise from entering via the input pin.

    If the open...
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    410

    I have an RRD45 in my 4000/60. This post says it...

    I have an RRD45 in my 4000/60. This post says it is likely a Toshiba CDROM that supports 512 byte sectors....
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    467

    Have you seen these documents? ...

    Have you seen these documents?

    EL-00160-00-0_A_DEC_STD_160_LSI-11_Bus_Specification_Sep91.pdf
    PDP11_BusHandbook1979.pdf
  15. Replies
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    1,710

    I found this with a search that turned up some...

    I found this with a search that turned up some discussion on comp.os.vms: https://training.vmssoftware.com/hobbyist/?fbclid=IwAR2Fen_xpZ9EKGsI4ERi9Pzii-HJkwGXJLVNxLn97SDX7v5OTUnu2S9-NPQ but it seems...
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    4,893

    This is why when requests for purchase...

    This is why when requests for purchase procurements are performed, it is common for the requesting organization to provide sample codes to be run on the vendor's suggested configuration, and the...
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    It is best if you stop thinking of this system as...

    It is best if you stop thinking of this system as an 11/34. There is almost nothing left that is recognizable as an 11/34 except for the enclosure and the front panel. A J11 CPU will only look at the...
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    Good news. The headphone jack is used as a switch...

    Good news. The headphone jack is used as a switch to lower the drive level when a plug is inserted into the jack to avoid overdriving headphones. When there is no plug inserted, there are two...
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    988

    If UM11 (LM380) was weak for some reason, you...

    If UM11 (LM380) was weak for some reason, you would likely get reasonable volume in headphones but not the speaker.

    You could test SR74 (1K) and SR75 (560) to see if they have their proper values,...
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    988

    Have you tried disconnecting and reconnecting the...

    Have you tried disconnecting and reconnecting the speaker connector from the motherboard? Perhaps there is some corrosion on the connector pins.
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    The KDJ11-A manual (EK-KDJ1A-UG-001) states in...

    The KDJ11-A manual (EK-KDJ1A-UG-001) states in section 2.9.1 that the backplanes, memory and I/O devices must support 22-bit addressing. Section 2.9.2 states that if memory or memory addressed...
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    https://blog.toggl.com/mars-software-development/

    https://blog.toggl.com/mars-software-development/
  23. Oh, sorry, it is the Basic prompt. Like I said...

    Oh, sorry, it is the Basic prompt. Like I said I'm not very familiar with the Apple II series yet.
  24. I have the 658-4081 model IIgs keyboard on a ROM...

    I have the 658-4081 model IIgs keyboard on a ROM 1 IIgs, and today it seems to be behaving pretty reliably for the Ctrl-Apple-Reset reset operation. I've seen times in the past where it dropped into...
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    https://www.mouser.com/Connectors/D-Sub-Connectors...

    https://www.mouser.com/Connectors/D-Sub-Connectors/_/N-9gxxm?P=1ytcy2g...
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