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Type: Posts; User: g4ugm

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  1. Replies
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    Yes, RLL encoding requires a higher bit-rate so...

    Yes, RLL encoding requires a higher bit-rate so that is why you can get 26 sectors/track and why its more demanding. When you go for 17 sectors the bit rate is the same, you can just spread the...
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    Is it this board? ...

    Is it this board?

    https://stason.org/TULARC/pc/hard-disk-floppy-controllers/U-Z/WESTERN-DIGITAL-CORPORATION-2-RLL-ST506-412-drives.html

    how are the links set?

    Also if the original drive is...
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    oops i had forgotten that... the BT646 set up...

    oops i had forgotten that... the BT646 set up warns about that when you enable/disable the option...
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    what we still don't know is how the drive knows...

    what we still don't know is how the drive knows its a 2.44m disk.....
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    489

    Doesn't the BT646 have support for > 1GB? I have...

    Doesn't the BT646 have support for > 1GB? I have one on my PC Server...
  6. Thread: Ebay 'offer'

    by g4ugm
    Replies
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    338

    Simply ask how come he has two... ... also if...

    Simply ask how come he has two...
    ... also if lots of different bidders for first item its likely to go for a high some again so could be better to take the offer. If it was a two gun shoot out then...
  7. Third floor may be a big ask. Here in my Holiday...

    Third floor may be a big ask. Here in my Holiday House in Spain the WiFi router is near the ceiling on what you would call the first floor and I get a very poor (i.e. unusable) signal on the Terrace,...
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    Firstly I would try cleaning the floppy. Secondly...

    Firstly I would try cleaning the floppy. Secondly the Model 8590 is rather pickier about drives than the PS/1. It uses several other lines on the "odd pin" side. Info here:-
    ...
  9. Thread: Unknown DEC Part

    by g4ugm
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    206

    I would think so. Its 18 bit only and I assume...

    I would think so. Its 18 bit only and I assume you have no PSU but it only takes a few q-bus cards to make a PDP-11 or VAX
  10. Thread: Unknown DEC Part

    by g4ugm
    Replies
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    206

    It looks like a backplane for a VT103... ...

    It looks like a backplane for a VT103...

    http://www.brouhaha.com/~eric/retrocomputing/dec/pdp11/chassis.html
  11. Thread: VGA to SCART

    by g4ugm
    Replies
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    133

    I don't know about going in this way round, but...

    I don't know about going in this way round, but some TVs will sync "normal TV video" when fed in via the VGA input. It appears they just adjust the signal levels internally and then feed them all...
  12. not seen any evidence, but on windows/10 when...

    not seen any evidence, but on windows/10 when enabled cortana must listen all the time for the wakeup call.
  13. Thread: VGA to SCART

    by g4ugm
    Replies
    3
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    133

    Going VGA to SCART os pretty pointless. The RGB...

    Going VGA to SCART os pretty pointless. The RGB SCART style input has about half the signal bandwidth of a VGA output so you will end up with a fuzzy mess.
    If your TV has HDMI consider getting VGA...
  14. Replies
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    2,993

    I had that issue when running it via a telnet...

    I had that issue when running it via a telnet session. I think it outputs to the system console not the current terminal. I think it needs fixing.
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    Whilst that sort of connector does get used for...

    Whilst that sort of connector does get used for multiple serial cards, there are not enough chips on there for such a card. When the card is used for multiple serial cards you use an "Octopus Cable"...
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    DEC did make PC's but it appears the company...

    DEC did make PC's but it appears the company leaders thought that terminals connected to their minicomputers would be the way home computing would develop. There is a long article about it here:-
    ...
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    I think the VAX was perhaps the architecture with...

    I think the VAX was perhaps the architecture with the widest range of machines. Given the evolution from PDP-8 to PDP-11 to VAX-11 its not surprising. The biggest problem was its reliance (well...
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    Although they are both "4000" series machines...

    Although they are both "4000" series machines they are very different machines. The VLC is a pizza box size machine with built-in graphics, a single SCSI disk and limited expansion capabilities.
    ...
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    Thats the way my PC Server 500 (which is just a...

    Thats the way my PC Server 500 (which is just a model 95 in a big box) came and I assume thats the way IBM delivered it....
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    Oh and why such an old OS/2? Would Warp 3 or 4...

    Oh and why such an old OS/2? Would Warp 3 or 4 would be better
  21. Replies
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    My PC Server 500 has a FAT boot partition. Have...

    My PC Server 500 has a FAT boot partition. Have you tried FAT?
  22. I don't know. Is th RS/6000 version the same as...

    I don't know. Is th RS/6000 version the same as the PS/2 version or is there a special RS/6000 "Bios". In fact can you but an MCA card with on-board firmware in an RS/6000?
  23. Sometimes gets set to mobile theme. Its horrid...

    Sometimes gets set to mobile theme. Its horrid...
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    These codes are not mentioned in my PC Server 500...

    These codes are not mentioned in my PC Server 500 hardware manual...

    ... any clues on the TAVI pages?

    http://www.tavi.co.uk/ps2pages/ohland/complex.html

    Dave
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    Those "custom 6809"? Might be interested in one...

    Those "custom 6809"? Might be interested in one of those. Is it a big black box, or a single board, or what?
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