What retro activity did you get up to today?

Discussion about old PC hardware.

Re: What retro activity did you get up to today?

Postby Kadath » 2018-1-21 @ 10:41

oeuvre wrote:hnnnnnng that is so bloody amazing! Does the dock II have ISA slots?


Yep, exactly 2x ISA slots - great add, for the time. This dock turns this Thinkpad in a real home rig. Nice the 'cabrio' upper platform where to put monitor and the electric tray where to secure the notebook, together with front status lcd. Any of you has used or found this dock model II? Still searching for the correct ASPI device drivers to use dock SCSI cdrom in DOS. Win98 boot disk with RAM disk successfully use ASPI2DOS, ma in DOS seems not to work.
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Re: What retro activity did you get up to today?

Postby cj_reha » 2018-1-21 @ 15:26

Starting to go through and repair the Mac stuff I've recently acquired. First on the bench is this Bondi blue iMac G3. It worked fine but the beige internal plastic is falling apart and I had to dump it out because whenever you moved it, it made a worrying rattle sound. :exclamation: It appears to have been roughly slammed down or something when I first found it because the front speaker bezel was hanging off. :(

I still need to find a cover for the CD-ROM drive, but thankfully it still works fine. A bit sluggish when ejecting though.

Specs:
Motorola PowerPC G3 @ 233 MHz
192 MB SDRAM (curiously, Mac OS only shows 128 MB even after reseating and switching around the RAM)
ATi Rage Pro Turbo PCI onboard video, Crystal onboard audio
Quantum Fireball EX 4.0GB HDD
Matsushita (Apple OEM) 24x CD-ROM
Mac OS 9.2.2

I threw Doom on it because the "can it run Doom?" test is essential to any PC. :lol:
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Re: What retro activity did you get up to today?

Postby TheAbandonwareGuy » 2018-1-21 @ 15:38

cj_reha wrote:Starting to go through and repair the Mac stuff I've recently acquired. First on the bench is this Bondi blue iMac G3. It worked fine but the beige internal plastic is falling apart and I had to dump it out because whenever you moved it, it made a worrying rattle sound. :exclamation: It appears to have been roughly slammed down or something when I first found it because the front speaker bezel was hanging off. :(

I still need to find a cover for the CD-ROM drive, but thankfully it still works fine. A bit sluggish when ejecting though.

Specs:
Motorola PowerPC G3 @ 233 MHz
192 MB SDRAM (curiously, Mac OS only shows 128 MB even after reseating and switching around the RAM)
ATi Rage Pro Turbo PCI onboard video, Crystal onboard audio
Quantum Fireball EX 4.0GB HDD
Matsushita (Apple OEM) 24x CD-ROM
Mac OS 9.2.2

I threw Doom on it because the "can it run Doom?" test is essential to any PC. :lol:


Hey cool. Another Bondi Blue owner. Mine is missing the drive door and the USB panel door as well. Those things must have been very flimsy or damage prone. Another Rev.B owner too.
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Re: What retro activity did you get up to today?

Postby Skyscraper » 2018-1-21 @ 16:12

I have been straightening CPU pins...


I had a catastrophic failure in a stack of boxes in one of my storage units... The worst part is that at the top of the stack there were lots of boxes and trays with CPUs and they diddnt really like the concrete floor very much.

About 100 Socket 7 CPUs with bent pins and about 50 486 CPUs with bent pins was the the bulk of the damage. Luckily the socket 754, 939 and 940 CPUs that was also in the stack was somewhat protected by pink foam in their boxes and therefore only got a few slightly bent pins at the edges compared to some Socket 7 and 486 CPUs with pins bent 90 degrees, a few even got small pieces of ceramic chipped off the edges.

After spending many hours aligning pins only a single pin on a AMD 5x86pr75 ended up broken/missing and that one must have broken of during the fall... or well by the sudden contact with the hard stuff just after... The pin is E16 and it's a VCC pin in the Socket-1 pinout buf it's called BOFFa in the Socket-3 pinout, with luck it isn't very important.

It's a bit annoying that scores of CPUs with perfect pins now have less than perfect pins... Getting punished for building towers reaching for the sky isn't anything new though, at least I found the motherboard I was looking for...
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Re: What retro activity did you get up to today?

Postby AlaricD » 2018-1-21 @ 16:19

bjwil1991 wrote:For some odd reason, Windows 95C on my Packard Bell Pack-Mate 28 Plus under the performance tab when I right-click on My Computer it shows the following:

Code: Select all
Compatibility mode paging reduces overall system performance.
Drive C: using MS-DOS compatibility mode file system.


Here's my... config.sys on the system:

Code: Select all
:CONFIG.SYS
DEVICEHIGH /L:2,3760 =C:\XCDROM.SYS /D:DELTA52X


Is there anything wrong here?

Probably your CD-ROM driver. Windows should be able to handle it on its own just fine, but loading it in the CONFIG.SYS forces it into MS-DOS compatibility mode. I'd use DEVLOAD with it in DOSSTART.BAT (so it's available when you restart in MS-DOS mode), and of course also put the network redirector (typically MSCDEX.EXE, but in your case SHSUCDX) in the DOSSTART.BAT, as well. It should go without saying that you must DEVLOAD the XDROM.SYS *before* you try to run SHSUCDX.EXE.
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Re: What retro activity did you get up to today?

Postby bjwil1991 » 2018-1-21 @ 16:32

AlaricD wrote:
bjwil1991 wrote:For some odd reason, Windows 95C on my Packard Bell Pack-Mate 28 Plus under the performance tab when I right-click on My Computer it shows the following:

Code: Select all
Compatibility mode paging reduces overall system performance.
Drive C: using MS-DOS compatibility mode file system.


Here's my... config.sys on the system:

Code: Select all
:CONFIG.SYS
DEVICEHIGH /L:2,3760 =C:\XCDROM.SYS /D:DELTA52X


Is there anything wrong here?

Probably your CD-ROM driver. Windows should be able to handle it on its own just fine, but loading it in the CONFIG.SYS forces it into MS-DOS compatibility mode. I'd use DEVLOAD with it in DOSSTART.BAT (so it's available when you restart in MS-DOS mode), and of course also put the network redirector (typically MSCDEX.EXE, but in your case SHSUCDX) in the DOSSTART.BAT, as well. It should go without saying that you must DEVLOAD the XDROM.SYS *before* you try to run SHSUCDX.EXE.

Where do I find the DOSSTART.BAT file?
C64, WheelWriter 10 Series II QuietWriter 8, Pack-Mate 28 Plus, K6-2/300, Pavilion N3350, iMac G3 & G4, Socket 370, 2x Inspiron 600m, Athlon 64, Dimension 4550 & E510, ThinkPad R40, Presario C700, ASUS X54C, Raspberry Pi B+, 2B-3B+, Custom FX-6300
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Re: What retro activity did you get up to today?

Postby derSammler » 2018-1-21 @ 17:12

It's in the Windows folder. If not, just create it.
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Re: What retro activity did you get up to today?

Postby bestemor » 2018-1-21 @ 18:36

Skyscraper wrote:Getting punished for building towers reaching for the sky isn't anything new though, at least I found the motherboard I was looking for...

LOL :lol: <pun intended ?>

hint: username
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Re: What retro activity did you get up to today?

Postby PTherapist » 2018-1-21 @ 19:27

cj_reha wrote:Starting to go through and repair the Mac stuff I've recently acquired. First on the bench is this Bondi blue iMac G3. It worked fine but the beige internal plastic is falling apart and I had to dump it out because whenever you moved it, it made a worrying rattle sound. :exclamation: It appears to have been roughly slammed down or something when I first found it because the front speaker bezel was hanging off. :(

I still need to find a cover for the CD-ROM drive, but thankfully it still works fine. A bit sluggish when ejecting though.

Specs:
Motorola PowerPC G3 @ 233 MHz
192 MB SDRAM (curiously, Mac OS only shows 128 MB even after reseating and switching around the RAM)
ATi Rage Pro Turbo PCI onboard video, Crystal onboard audio
Quantum Fireball EX 4.0GB HDD
Matsushita (Apple OEM) 24x CD-ROM
Mac OS 9.2.2

I threw Doom on it because the "can it run Doom?" test is essential to any PC. :lol:


Those early iMacs with SODIMM SDRAM chips are extremely picky with regards to RAM. If it's showing 128MB, then it looks like it's not recognising a 64MB stick, which you can verify by removing 1 of the sticks and seeing what happens.

I've got a slightly later version of that iMac, the Rev. D 333MHz and it was an absolute pain to get it to recognise different RAM sticks I had. Ended up settling for 320MB RAM, but have other sticks to test at some point. I'm putting off further experimentation for a while, since these early iMacs are such a pain in the backside having to remove the whole motherboard just to install RAM!
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Re: What retro activity did you get up to today?

Postby AlaricD » 2018-1-21 @ 22:40

bjwil1991 wrote:Where do I find the DOSSTART.BAT file?

In \WINDOWS, but maybe you should start a new thread in the right area if you want more help with that. In the meantime, just REM the line for XCDROM.SYS and see if your MS-DOS Compatibility Mode thing goes away after a reboot.
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Re: What retro activity did you get up to today?

Postby cj_reha » 2018-1-22 @ 02:05

PTherapist wrote:
cj_reha wrote:Starting to go through and repair the Mac stuff I've recently acquired. First on the bench is this Bondi blue iMac G3. It worked fine but the beige internal plastic is falling apart and I had to dump it out because whenever you moved it, it made a worrying rattle sound. :exclamation: It appears to have been roughly slammed down or something when I first found it because the front speaker bezel was hanging off. :(

I still need to find a cover for the CD-ROM drive, but thankfully it still works fine. A bit sluggish when ejecting though.

Specs:
Motorola PowerPC G3 @ 233 MHz
192 MB SDRAM (curiously, Mac OS only shows 128 MB even after reseating and switching around the RAM)
ATi Rage Pro Turbo PCI onboard video, Crystal onboard audio
Quantum Fireball EX 4.0GB HDD
Matsushita (Apple OEM) 24x CD-ROM
Mac OS 9.2.2

I threw Doom on it because the "can it run Doom?" test is essential to any PC. :lol:


Those early iMacs with SODIMM SDRAM chips are extremely picky with regards to RAM. If it's showing 128MB, then it looks like it's not recognising a 64MB stick, which you can verify by removing 1 of the sticks and seeing what happens.

I've got a slightly later version of that iMac, the Rev. D 333MHz and it was an absolute pain to get it to recognise different RAM sticks I had. Ended up settling for 320MB RAM, but have other sticks to test at some point. I'm putting off further experimentation for a while, since these early iMacs are such a pain in the backside having to remove the whole motherboard just to install RAM!


Yeah, it's really a pain to have to do a partial disassembly to swap RAM :lol: :lol: :lol:
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Re: What retro activity did you get up to today?

Postby bjwil1991 » 2018-1-22 @ 03:22

AlaricD wrote:
bjwil1991 wrote:Where do I find the DOSSTART.BAT file?

In \WINDOWS, but maybe you should start a new thread in the right area if you want more help with that. In the meantime, just REM the line for XCDROM.SYS and see if your MS-DOS Compatibility Mode thing goes away after a reboot.

I decided to load the xcdrom.sys driver under the MS-DOS menu category, as well as the SHSUCDX driver. Others, including the sound blaster parameters, CuteMouse, and a few others work within any menu boot option as configured in the config.sys file.
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Re: What retro activity did you get up to today?

Postby looking4awayout » 2018-1-22 @ 11:37

Today I've done my first ever soldering job. And it was a mess: the solder didn't want to melt, the cable didn't want to stay in place so it always slipped away while I was waiting for the solder to solidify, and did a couple of clumsy things because I never handled a soldering iron before.

On the other hand, it seems that with the resoldering of the ground wire and tying the other ground wire to the other ones soldered on the respective pins, cured the jittering issue at cold of my Crystal CM-1402E monitor and even fixed the annoying bright red vertical line that appeared outside the viewing area, when I turned it on if I kept the brightness high. When I turned it on after almost a month (it was late December when it was turned on for the last time) and seen the picture stable and not jittering, I was overjoyed. Now I can finally use again my old, fuzzy, late 80's "8514/A compatible" monitor on my Pentium 3 PC.
Proud owner of the >Tualatinator< alive and computing since year 2000!
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Re: What retro activity did you get up to today?

Postby Wireless » 2018-1-23 @ 00:36

Mmm...turns out the old laptop in the shed was a Compaq Armada 1110, P75 with 24MB, I was using this about nine years ago for AX25 Packet under Win95A, I remember now that the HDD had died and I'd left the screws out of the case 'somewhere safe' and they are long gone, so I'm looking for a set of seven screws to keep the keyboard on, anyone know where I can source these?

The Toshiba 815MB HDD is long dead, but luckily I've found a 2.1GB replacement on eBay.

I've seen newer Armada's going for a lot of money, anyone any idea of the value, since the wife wanted me to chuck it in a skip a couple of months ago... so glad I ignored her.
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Re: What retro activity did you get up to today?

Postby derSammler » 2018-1-23 @ 11:25

Finished fixing this neat 286 mainboard. Had a leaking battery and many broken/bent pins. Removed the battery and added an external one, completely replaced the panel/led connectors (they broke when trying to straighten them), added an IIT FPU and a heatsink for the CPU (Siemens 80286-16, which gets very hot, even with the heatsink).
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Re: What retro activity did you get up to today?

Postby liqmat » 2018-1-23 @ 12:12

derSammler wrote:Finished fixing this neat 286 mainboard. Had a leaking battery and many broken/bent pins. Removed the battery and added an external one, completely replaced the panel/led connectors (they broke when trying to straighten them), added an IIT FPU and a heatsink for the CPU (Siemens 80286-16, which gets very hot, even with the heatsink).


Nice work. Two questions: 1.) Where did you source your panel/led pin array (from another board?) and 2.) which heatsink did you go with? I also noticed my 286 6MHz CPU gets very hot, but in my case it looks like a metal piece/plate is over the CPU.
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Re: What retro activity did you get up to today?

Postby derSammler » 2018-1-23 @ 12:51

The pins were new. I have a large pin strip from which I can break off as many as I need.

The heatsink was also new. Bought it years ago from reichelt.de. It's 2cm x 2cm and attached using thermal glue.
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Re: What retro activity did you get up to today?

Postby liqmat » 2018-1-23 @ 15:12

So I have emptied out most of my retro collection except for the few systems and parts I am using and was sitting high and mighty that I was finally over the vintage hoarding... annnnnd then I went on a garage sale run. Bad idea if you are trying to downsize. I found an estate sale with an old IT guy who had a large tub with 100s of floppies in it. Somehow it magically appeared in my car. There's a laptop buried in there as well. Don't know why, but I find a large stash of floppies with unknown data on them an exciting prospect. This is going to take awhile. You watch, half of it will be copies of AOL mailer disks from the 80s and 90s.

One of the stranger items in the tub is a sealed copy of sailboat charting software. Not going to be using that much.

tubodisk.jpg
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Re: What retro activity did you get up to today?

Postby oeuvre » 2018-1-23 @ 20:09

FINALLY got my Intellistation! Here's an imgur album with some more info https://imgur.com/a/TuQew
IBM Aptiva 2176-C73 Pentium 200, 64MB, Matrox Millennium II, IBM HD, AWE64, DOS/95
i7 6700K, 32GB, EVGA GTX970, 256GB M.2 SSD + HD, Windows 10
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Re: What retro activity did you get up to today?

Postby CkRtech » 2018-1-23 @ 21:22

Congrats, oeuvre! And good job with your de-bugging!
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