Image Map Image Map
Tab Content
  • alan8086's Avatar
    Today, 01:21 AM
    alan8086 replied to a thread Its Back!!! IMS 8000 in S-100
    Anyone know cheap source if upd2114 chips? Doesnt have to be NEC. The prices on eBay are amazing if you want more than two!
    6 replies | 111 view(s)
  • alan8086's Avatar
    Today, 01:20 AM
    alan8086 replied to a thread Its Back!!! IMS 8000 in S-100
    You haven't joined the club until you show us some pictures! �� The brain is on hold - I can't get the picture back after recapping the VDU board....
    6 replies | 111 view(s)
  • alan8086's Avatar
    Yesterday, 05:40 PM
    alan8086 replied to a thread Mystery S-100 card in S-100
    That must be some obscure machine?! Nothing on a google search - hotel microsystems HW10? When can we see it?
    11 replies | 155 view(s)
  • alan8086's Avatar
    Yesterday, 05:29 PM
    alan8086 started a thread Its Back!!! IMS 8000 in S-100
    For anyone interested - My IMS 8000 S100 machine is back online after being broke for the last 4 years or so. I recently acquired a rebadged ABI...
    6 replies | 111 view(s)
  • alan8086's Avatar
    February 16th, 2019, 04:39 PM
    These updates are drifting - the endpoint elusive! I've recapped my one working vdu driver board. It now does not work. At least I have nothing on...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 16th, 2019, 04:29 PM
    I have the same phone and dock - cant stand android/apple. All I need is phonecalls/text/office apps/whatsapp/slack and the 20mp camera. It's a...
    2 replies | 52 view(s)
  • alan8086's Avatar
    February 13th, 2019, 01:26 PM
    Capacitors for the vdu driver board are here, just waiting for some free time to carry on with it....:whatthat: It's weird reading your own posts...
    9 replies | 1295 view(s)
  • alan8086's Avatar
    February 13th, 2019, 01:06 PM
    I don't care - fixed or not fixed, just sell me this thing!!!! Formatting a HD on a superbrain :D :onfire::onfire::onfire::jumping3:
    9 replies | 1295 view(s)
  • alan8086's Avatar
    February 11th, 2019, 03:52 PM
    Getting closer Jon - just another bug! Update on the repair. I've ordered 10 worth of electrolytic caps for the VDU driver board. The picture I...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 04:24 PM
    Definitely need to recap. Picture began to shrink in width as smoke poured out of an electrolytic! Pause for ebay again!
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 01:23 PM
    So near yet so nearly there? Superbrain plus hard drive - the ultimate! All it needs then is my Pixelplotter unit on one side, an S100 adapter on the...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 08:26 AM
    I've got pulsing on all inputs and outputs on Z55 Z56 pin 8 and 11 both pulsing. Pin 13 is high. Z57 pin 6 is pulsing.
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 05:17 AM
    Ok Jon, thanks for that. Have to pause for a bit now as family matters press. I'll report back later ��
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 05:13 AM
    That's what I get on the screen regardless of the boot disk. Power on, press red buttons (with drive door open) and that screen comes up. I've...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 05:09 AM
    I've tried different CRT chips and character generation chips plus PPI chips. All have the same result so I assume they are all working ICs I have as...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 04:05 AM
    Something else must have changed because if I put the original Z56 chip back, the crt makes crazy noises, like HV going crazy inside the crt or...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 9th, 2019, 03:59 AM
    Ok, bit more progress - I have a picture! This is after replacing Z56 (7486) and the chip on the PSU (74LS221) You now have to press the reset...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 7th, 2019, 04:07 AM
    Hi All I had a request from a forum member to make available my NEC APC disk images - so here they are. The NEC APC disks are just a collection...
    2 replies | 122 view(s)
  • alan8086's Avatar
    February 5th, 2019, 06:16 AM
    Ok - no beep from a ctrl G nothing from DIR CR I have re wired / resoldered all the vdu cabling going from the psu to the vdu board, including...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 01:35 PM
    Hi Jon - ill certainly try the beep test - the screen is dead except for heater glow. No HT. I've swapped the flyback transformer for a spare, no...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 12:32 PM
    Liking my chip socket situation....
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 11:07 AM
    Drumroll..... ABI chiptester says SB1 7406 is faulty at pin 11 ABI chip tester says SB2 7406 is a pass Swapped chips....
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 05:08 AM
    Ok, will try in a min. Drive only spins with the MX switched on. With everything as it should be/nit messed with - I just get the drive light coming...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 04:12 AM
    More tin pot theories - Z71 SN7406 Hex Inverter - all pins tested. Pin 10 says high or floating. That being the case, pin 11, the input to that...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 03:37 AM
    I've stopped clutching at straws now... Pin 10 of Z71 looks to be high:
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 02:21 AM
    Ok - I just swapped to the drive that I wrote 'working 25.07.2017' in marker pen along the top MX is off but now it still does this stepper motor...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 02:10 AM
    Ok, Wild goose chase - it does this drive activity even with a blank/no disk in the drive. What a Percy!! Sorry to waste your time :(
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 02:08 AM
    Does it at least suggest SB1 is in better shape than it was?
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 02:02 AM
    That beep only happened that one time -all the other times, no beep at all. Although if you say a quick beep means PPI is initialising correctly - I...
    81 replies | 2116 view(s)
  • alan8086's Avatar
    February 4th, 2019, 01:50 AM
    YEEESSSSS!!!! That's exactly what it sounds like!!!!!
    81 replies | 2116 view(s)
More Activity
About alan8086

Basic Information

About alan8086
Location:
Burnley, UK
Occupation:
Computer Repair and IT support

Statistics


Total Posts
Total Posts
159
Posts Per Day
0.18
Albums
Total Albums
1
Total Photos
6
General Information
Last Activity
Today 10:35 AM
Join Date
October 1st, 2016
Referrals
0