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  • Gary C's Avatar
    Yesterday, 10:48 PM
    Yep We have 8 Honeywell DPS 6/96 running as alarm and display machines connecting to about 60 Intel Multibus I machines with a mix of 8086 and...
    10 replies | 339 view(s)
  • Gary C's Avatar
    July 6th, 2020, 12:22 AM
    Gary C replied to a thread Sorting a Model 4 in Tandy/Radio Shack
    The keyswitches are really easy to remove and strip down for internal cleaning. Unsolder from the bottom Prise the latch holding it together...
    10 replies | 417 view(s)
  • Gary C's Avatar
    July 2nd, 2020, 05:56 AM
    Gary C replied to a thread Micro PDP 11/73 in DEC
    Lol, it just might be :) I know Mark P though he knew what it was for and was happy for it to be liberated. What was on the one your looking for ?...
    5 replies | 246 view(s)
  • Gary C's Avatar
    July 1st, 2020, 06:47 PM
    Gary C replied to a thread Micro PDP 11/73 in DEC
    Need to have a look. Its the rack mount enclosure and has a RD52 and a TK50.
    5 replies | 246 view(s)
  • Gary C's Avatar
    July 1st, 2020, 04:14 PM
    Gary C started a thread Micro PDP 11/73 in DEC
    Just got my first PDP 11 Has been sat on a shelf in not the best conditions for the last 30 years, so might be a bit of a challenge to get going....
    5 replies | 246 view(s)
  • Gary C's Avatar
    July 1st, 2020, 12:55 PM
    As I said, the RGBvision monitors mode II appears to be analogue and the manual for the IIB card states that the RGBvision monitor should be in mode...
    10 replies | 328 view(s)
  • Gary C's Avatar
    July 1st, 2020, 10:28 AM
    Certainly the manual for the IIB seems to suggest its analog (or more accurately it states using a TAXAN RGBvision monitor, the monitor should be in...
    10 replies | 328 view(s)
  • Gary C's Avatar
    June 30th, 2020, 01:57 PM
    Or you could say you have used up this months luck !
    2 replies | 162 view(s)
  • Gary C's Avatar
    June 30th, 2020, 03:14 AM
    Gary C replied to a thread Pcw9512 in Other
    Confused I have put the OR gate on the S0 and MO inputs to the Gotek select, so now when it has S0 low and MO high, the device reports not ready...
    61 replies | 3286 view(s)
  • Gary C's Avatar
    June 29th, 2020, 02:27 AM
    Fitted my Gotek into the case by cutting the original badge, as it had been cut out to allow the original drive to be mounted as drive B, it was...
    0 replies | 289 view(s)
  • Gary C's Avatar
    June 26th, 2020, 08:19 AM
    Gary C replied to a thread Weird dream in General Off Topic
    I do get a dream that I am in the control room and the reactor has just tripped and I can't get my head around the operating instructions, and they...
    5 replies | 110 view(s)
  • Gary C's Avatar
    June 26th, 2020, 03:39 AM
    Gary C replied to a thread Weird dream in General Off Topic
    What have you been smoking !!!! I used to have dreams of finding areas at work with lots of old stuff I could liberate :) I once (for real),...
    5 replies | 110 view(s)
  • Gary C's Avatar
    June 26th, 2020, 12:09 AM
    Gary C replied to a thread Pcw9512 in Other
    Just bought an Amsoft CF2 disk (just to test the drive, I like it all to work) and had lots of trouble formatting, until I turned the drive upside...
    61 replies | 3286 view(s)
  • Gary C's Avatar
    June 23rd, 2020, 06:40 AM
    I don't explicitly try to avoid current tech, but my smartphone is about 5 years out of date, almost always flat and I never know where it is anyway....
    8 replies | 289 view(s)
  • Gary C's Avatar
    June 21st, 2020, 03:12 PM
    For equalities sake ;), you dont see Mrs Doyle's husband in Father Ted (For US colleagues, look it up, its hilarious) Also Arthur Daley's wife 'er...
    9 replies | 279 view(s)
  • Gary C's Avatar
    June 20th, 2020, 08:13 PM
    Gary C replied to a thread Desoldering ICs in How To
    Stuff I have been using is acid free and hasn't corroded anything (yet !) but it does get everywhere
    28 replies | 6214 view(s)
  • Gary C's Avatar
    June 20th, 2020, 12:35 PM
    Not got an ESR meter, but have a capacitance meter from RS But, I just got one of these It must be the smallest CRT oscilloscope ever, and I...
    12 replies | 466 view(s)
  • Gary C's Avatar
    June 20th, 2020, 01:40 AM
    Gary C replied to a thread TI 99/4a in Texas Instruments
    :D nice one.
    36 replies | 2416 view(s)
  • Gary C's Avatar
    June 19th, 2020, 08:39 AM
    Oh why do we never get things like this in the UK ! 3 8080's in one go !
    7 replies | 489 view(s)
  • Gary C's Avatar
    June 19th, 2020, 07:20 AM
    Gary C replied to a thread TI 99/4a in Texas Instruments
    Yep. Always wanted one as a kid, just been reading about the discounts on them that TI offered, unbelievable. Certainly never knew how low they...
    36 replies | 2416 view(s)
  • Gary C's Avatar
    June 19th, 2020, 06:39 AM
    Gary C replied to a thread TI 99/4a in Texas Instruments
    Ees 'avin a go at the Sinclair now ! In the UK it was all we could get when it came out, and very glad I was for it, even with 1K TI99/4a would...
    36 replies | 2416 view(s)
  • Gary C's Avatar
    June 17th, 2020, 04:34 AM
    Gary C created a blog entry iMac G3 in Gary C
    Just picked up the iMac G3 I bought mid April (CV19 !) in the original Bondi blue, complete with the puck mouse and box :) All seems to work...
    0 replies | 454 view(s)
  • Gary C's Avatar
    June 16th, 2020, 01:43 PM
    Gary C replied to a thread Pcw9512 in Other
    I also have an Einstein TC01 and all the original 3" disks on that unit all work fine :) I have replaced the belt, and I like fiddling with disk...
    61 replies | 3286 view(s)
  • Gary C's Avatar
    June 16th, 2020, 08:31 AM
    Gary C replied to a thread Pcw9512 in Other
    Its working The requirement for a logical AND (ok, on low so OR in TTL terms) on MO and S0 does appear to be the reason why it stops during the...
    61 replies | 3286 view(s)
  • Gary C's Avatar
    June 15th, 2020, 11:26 AM
    Gary C replied to a thread Pcw9512 in Other
    I see. So if the Gotek worked as the original, I should have been able to get a directory from all the DSK files 40 or 80 but because I am...
    61 replies | 3286 view(s)
  • Gary C's Avatar
    June 15th, 2020, 07:31 AM
    Gary C created a blog entry Amstrad ! arrgh in Gary C
    I have had this PCW 9512 sat in the workshop for almost a year now after picking it up in Telford (for the princely sum of £3.70) so I thought it was...
    0 replies | 51 view(s)
  • Gary C's Avatar
    June 15th, 2020, 07:13 AM
    Gary C replied to a thread Pcw9512 in Other
    Well, I seem to be getting somewhere :) I have two copies of CPM, one 80 track and one 40 track. I can't boot the 40T version and the 80T version...
    61 replies | 3286 view(s)
  • Gary C's Avatar
    June 15th, 2020, 01:12 AM
    Gary C replied to a thread Pcw9512 in Other
    So it seems this machine has little software ? I can successfully boot to CPM but nothing else. What is odd, of all the files I have, apart...
    61 replies | 3286 view(s)
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About Gary C

Basic Information

About Gary C
Biography:
Started with the UK national electricity company, the CEGB in 1983. Moved in to engineering and worked on DPS6, Intel Multibus, DEC VAX/PDP and programmed in CEGB CUTLASS.
Now in operations
Location:
Lancashire
Interests:
Vintage computers and old cars
Occupation:
Assistant shift manager - Nuclear operations

Signature


Current fleet
TRS80 Model 4 - BBC B - Tatung Einstein - PCW9512 - PET 3032 - C64 - ZX81 - Spectrum 48K - Amiga A500 - VAX 3100,3300,4000VLC & 4000 Model 96 - Apple II europlus - Apple iMAC G3. Sharp MZ-80K. - DEC Micro PDP 11/73 - IBM 5160 XT - Multibus 286/10.

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436
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General Information
Last Activity
Today 07:59 AM
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May 26th, 2018
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Recent Entries

Multibus & Amstrad PCW, what a pair

by Gary C on June 29th, 2020 at 02:27 AM
Fitted my Gotek into the case by cutting the original badge, as it had been cut out to allow the original drive to be mounted as drive B, it was already missing, but still seems a shame to cut original stuff.
On the plus side, with the OLED, the Gotek looks good and is useable.

Been collecting some multibus cards for a few years now. Have a 286 processor card and a memory card. recently obtained a card frame, linear PSU and have been looking for a suitable 'vintage' looking

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iMac G3

by Gary C on June 17th, 2020 at 04:34 AM
Just picked up the iMac G3 I bought mid April (CV19 !) in the original Bondi blue, complete with the puck mouse and box

All seems to work (luckily the owner had reset the system and the password was set back to 'password') but the case and keyboard are filthy.

The keyboard needs really careful work. Removing four screws at the back allow the rear part of the case to be unclipped from the lower, however the front clips will not pop.

To separate these, first

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Updated June 17th, 2020 at 04:41 AM by Gary C

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Amstrad ! arrgh

by Gary C on June 15th, 2020 at 07:31 AM
I have had this PCW 9512 sat in the workshop for almost a year now after picking it up in Telford (for the princely sum of £3.70) so I thought it was time it got an airing.

Powered up to a white screen, quick poke about to find this is normal.

Got to hand it to that Sugar bloke, he knows how to build down to a price. No ROMS !, system boots from a small amount of code built into the printer driver chip FFS.

Came with a disk, but this was very none operational

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Quiet couple of weeks

by Gary C on June 2nd, 2020 at 06:58 AM
Been a quiet couple of weeks, Wife and I were off enjoying the sun and the garden.

Managed to get a few hours to work out how to increase the contrast on my VT420, a small adjustment to the +5V has brought it back, but not sure why.

But back to it today. Decided to put the original motherboard back into my Apple II europlus (replaced the failed board with a good one in the early days). The original had a failed CPU and a failed memory chip and I wanted to have the

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Updated June 29th, 2020 at 02:28 AM by Gary C

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Good end to a great week

by Gary C on May 7th, 2020 at 06:09 AM
After rectifying my Einstein and sorting the sound out on my Amiga, I then decided to look at three other acquisitions. Two I have had for several months (a ZX81 and a VAX 4000 model 96) and one new one (A VAX 4000 VLC)

Firstup was the VLC. Powered up, system password changed and its working great. Not much more to say on that, other than its a great little machine. A VAX you can almost stick in your pocket. Buoyed by this, next was the 4000/96. This one was obtained some time ago,

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