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  • Greetings and welcome to an LGR thing!

  • An LGR restoration thing.

  • [PS/2 sliding into your video]

  • This right here is a machine from 1987: the IBM Personal

  • System/2 Model 30.

  • And as you can see it has seen better days.

  • I got this pretty cheap on eBay a while back.

  • It's just not in great shape, it needs a good bit of work.

  • But that's okay, I was just happy to get one of these early models of a Personal System/2.

  • They had the Model 60 and 80 and stuff like that.

  • I have those but I did not have one of the quote unquotecheapones that IBM was

  • selling in ‘87.

  • So I thought this would do nicely for an upcoming video that I have planned on the Personal

  • System/2 line and as is obvious it's covered in all sorts of grime

  • and gooey residue and tape and marker.

  • And somebody even scratched out the little sticker on the front here that would normally

  • show like the serial number and the precise model number and everything.

  • I don't know what this thing went through but I found it sad.

  • And this power switch is not doing what it's supposed to either, it's just kind of flopping around.

  • [floptaplop]

  • There's no give in it whatsoever, so that's gonna need to be fixed and then

  • there's this empty bay in the front here which, depending on the model of Model 30 that you

  • got from IBM, would have had either a second floppy disk drive or it would be filled up

  • with a 20 or 30 megabyte hard disk drive.

  • And that is what this one originally had because the model number exactly that IBM referred

  • to this was the 8530-021, meaning that it came with the hard disk.

  • It also has some sort of networking card installed around back.

  • Not really sure what that is exactly yet but I suppose we'll see inside and perhaps that'll

  • be a clue as to what this did in a past life.

  • Getting inside the Model 30 is pretty simple, all you need is a Torx head screwdriver with

  • the correct head size.

  • And there are four of these screws around the edges of the case.

  • Then once theyre undone they actually don't come out of the case, which is kind of nice,

  • you're not gonna lose anything.

  • They just sort of dangle in there and they're spring-loaded,

  • these have individual springs on them.

  • And then the top of the case just slides off here, and yes: this is all plastic.

  • The bottom of the chassis is metal but yeah, this is one of the cost-saving measures that

  • IBM went to for these models of Personal System/2s.

  • Speaking of cost-saving measures, I assume: here's that power switch and as you can see

  • there's just a metal rod that goes between the power switch on the front of the case

  • and this toggle on the power supply itself.

  • It looks like that just sort of popped out of there at some point so whatever man.

  • All you gotta do is pop it back in place and it works just fine!

  • Not the most robust power toggle I've ever seen

  • but hey, at least the rod is metal and not plastic.

  • Unlike some of my Packard Bells...

  • All right over in the drive bay here we have the double-sided double density three and

  • a half inch floppy disk drive over here, it's a Mitsubishi model.

  • And then on the right we have the other side of the floppy disk cable just in case we want

  • to put another floppy drive there.

  • But we don't, we're gonna be putting a hard disk if all goes well.

  • And unlike many earlier IBM personal computers the 8530 has a hard disk controller built

  • into the motherboard.

  • However, look at that 44-pin connector.

  • That's not any of the usual suspects like SCSI, IDE, or even MFM.

  • A bunch of PS/2 machines used something called ESDI or Enhanced Small Disk Interface, which

  • looking online it seemed that's what this came with.

  • Not only is it a little strange in that regard but there are no power cables coming from

  • the power supply to plug into a hard drive, assuming I could find the right one.

  • On this machine the power actually goes through the connector on the hard disk or floppy disk

  • controller through the cable directly into the drive.

  • So there is no separate power cable, meaning that if I do put a hard disk in here It's

  • going to have to be one that is compatible with this and I'm gonna have to find the correct cable.

  • Anyway right here on the board you can see the CPU,

  • it's an Intel 8086-2 on this original Model 30.

  • There's also a later one with a 286 installed.

  • And this blank socket right here is for the optional math coprocessor, the 8087, which

  • I probably won't be putting in here.

  • Over towards the middle of the motherboard you'll see this riser card.

  • And this provides the expandability options for this machine,

  • which comes in the form of three ISA slots.

  • And it also has a battery on the riser as well, I was not expecting

  • to see this kind of thing on there.

  • Most of what I read online said that these normally came with like a Dallas real time

  • clock chip but this came with one of these barrel batteries.

  • And yeah, you know, I don't like keeping these things around but we're gonna see if it works first.

  • And then here is that gigantic networking card.

  • This was not standard to the machine, whoever had this or -- whatever company used this

  • had installed it at one point.

  • We'll find out what it is a little bit later.

  • But enough looking around, let's go ahead and get to some cleaning!

  • Starting with a little compressed air and tossing these dust bunnies out of the way.

  • And I'm not gonna give this an *extremely* deep cleaning because really, I have a lot

  • of Personal System/2 units that I want to show in an upcoming video and I just kind

  • of want to get this one in a presentable shape and feeling nice and clean, relatively speaking.

  • I'm just going over everything with an assortment of anti-static brushes and getting all this

  • stuff kind of cleaned up and feeling decent.

  • Because really, other than the caked-on dust it's not in bad shape.

  • I was really hoping there were no weird leakages or rust bits or yeah you know, who knows.

  • There's all sorts of junk that can go wrong on these older computers depending on how

  • they've been stored and for how long and where.

  • But all things considered I mean, it's mostly the outside that looked really bad,

  • the inside was just dusty.

  • Alright I'm curious about this other half of the board and this gigantic networking

  • card is in the way so we'll get that out of there.

  • And here we go!

  • There is a lot more dust over here, that's for sure.

  • Oh well, nothing a bit of brushing and some time can't help.

  • And gonna go ahead and take out the RAM sticks here.

  • And from the factory my Model 30 came with 640 kilobytes of usable conventional memory

  • with some on the motherboard and these sticks providing 256k each.

  • Just gonna dust these things off because it makes me happy and hey look at that.

  • Already looking a lot better compared to how it was.

  • The contacts in there actually looked pretty good, so just sort of spraying them down with

  • some compressed air and stick the RAM sticks back in there with some highly satisfying

  • clicks, mmm. [satisfying clickity clicks] Welp time to brush down the rest of this and

  • spray it and all that good stuff.

  • [compressed air sounds] Oh Yeah, that is way better.

  • It's a rather attractive looking board with those yellow chips

  • and a kind of amber theme going on, I like it.

  • And I'm just gonna stick the networking card back in there,

  • although I don't anticipate using it.

  • I'm just curious what it'll do, if anything, on startup.

  • I'm pretty pleased with the interior of the machine for the time being so I'll go ahead

  • and start wiping down the exterior starting with the rear of the thing here.

  • And just using a microfiber dusting cloth and my anti-static brushes again, just sort

  • of loosening up all the dirt and grime as much as I can.

  • Ah, and one of the simple but great pleasures of restoring and cleaning up an older computer:

  • exhaust fans + compressed air.

  • [compressed air rapidly rotating the fan]

  • Yeah I don't know why that's fun but it is.

  • And yeah, this is completely unnecessary but I got one of these little detailing brushes

  • because they're kind of cool.

  • just has these rubber tips and you can go over all the little nooks and crannies and

  • crevices and -- I don't know if it's actually helping but it makes me feel better.

  • Now let's start addressing some of these stupid stickers and junk on the rest of the case.

  • Thankfully this one peeled right off of there and didn't seem to leave much residue at all,

  • just sort of came off in one go and I used the sticker to unstick the rest of it.

  • Then there's this unfortunate little serial number label that

  • has been scraped off for whatever reason.

  • So I'm just gonna try to finish the job with a light scraping of a screwdriver and since

  • it was already scraped into I didn't feel too bad about doing that.

  • Not the most ideal outcome but it'll do for now.

  • Then there's this permanent marker in an “L” shape and this can be tricky due to the texture

  • on IBMs from this era.

  • Ink like this and really grime in general tends to sink into that powder-like coating and ugh.

  • First thing I tried was some high-strength alcohol and that didn't do much.

  • Next I tried the old dry erase marker trick which often works on fresher, permanent ink

  • but had very little effect here on this textured surface.

  • Next I tried some goo remover and while that loosened things up after a few minutes, it

  • still wasn't going as deep as I wanted.

  • So it was down to one of thosemagicalmelamine cleaning sponges.

  • And while this has the potential to smooth out the coating if you scrub too hard -- and

  • I don't like doing that -- just taking it slow and steady seemed to do the job nicely

  • you can hardly tell that L-shaped marker stain was there.

  • Next I'm just gonna wipe down a lot of the rest of the outside of the case with a bit

  • of distilled water and vinegar mix just to get the loose grimy crap off of there.

  • And I got another one of these detailing brushes to get in there with the power switch.

  • This was probably the dirtiest part of the front of the case actually, just a lot of

  • gunk built up over time with a bunch of fingers and storage conditions doing their thing.

  • And then also near the power switch on the front of the case here there were these little

  • spots where it looked like the machine had been bumped up against something kind of hard

  • and it had left like a blue smear just on the tips of these corners.

  • And I'm just kind of going around the outside of it here very lightly to get rid of a couple

  • little spots that were annoying and it did pretty well, I thought.

  • There's only one little area here, looks like there was a sticker there at one point that

  • was preventing more yellowing.

  • But yeah overall I'm pretty happy with the way this is turning out already!

  • And now to get to the top outside portion of the case here.

  • And we're gonna start with that big olwide masking tape strip that's been torn off

  • and is just looking ugly at this point.

  • And I'm just gonna use one of these decal removers with a plastic razor blade just to

  • kind of get it started so I can hopefully peel it off in one go, and that piece worked just fine.

  • And the second one proved to be a little bit more challenging but again, just taking it

  • slowly and carefully and there we go!

  • It came off as well pretty much in one piece.

  • And that plastic blade is soft enough that it didn't do any damage to the case plastic itself.

  • And before we start going all elbow grease and trying to get rid of that gooey stuff,

  • I’m just kinda gonna wipe down the rest of this a little bit.

  • It's kind of a light layer of dirt and griminess,

  • made the whole thing feel really kind of gross to touch.

  • And yeah, a bit of goo remover here and it got rid of most of that residue from the tape.

  • There was still some more stubborn junk that I ended up using a magic eraser on so yeah,

  • that's what I ended up doing for most of the rest of the top of the case here.

  • And unfortunately it's not gonna get rid of absolutely everything, there were some deeper

  • scratches and a couple spots with just some really stubborn stains.

  • But thankfully it's not terribly noticeable when it's all cleaned up like this.

  • At least on camera, you can notice a little bit more in person I think.

  • And let’s go ahead and put it back together here, and yeah man, I'm pretty pleased.

  • I can tell that the front of the case here has yellowed just a bit compared to the top

  • of the case in, you know, a couple little spots.

  • I'd say that's a pretty decent improvement for having spent just

  • a couple hours using very basic cleaning stuff.

  • And now that I have that power switch hopefully fixed up we can try and plug this thing up

  • and turn it on and see if it actually works!

  • I have not actually attempted to power this thing on yet.

  • Now this does use MCGA graphics but a normal VGA monitor will work as long as you have

  • the proper cable -- you just kinda have to remove one of the pins.

  • But yeah let’s power it on and see what we get!

  • [CLICK of the power switch, whirring of the fan]

  • All right well, that's a good sign!

  • No concerning explosions or smokes or beeps or anything like that.

  • And we have the full 640k, nice!

  • [BEEP!]

  • And well, it looks like it is doing the networking card things.

  • Network Controls International 4700 PCI.”

  • Well, that's not a PCI card, that's kind of odd.

  • And yeah, it just goes to this no matter what I do.

  • I could put a disk in there, I can try to do anything on the keyboard.

  • Nope, it goes directly to this interface every single time I start it up.

  • So it turns out that the card that's in here is a 3270 coax adapter which provides the

  • NCI 4700 services.

  • There's a PCI version and all sorts of stuff, but basically what this does is it allows

  • your PC to fully emulate IBM 4704 and 3278 display terminals.

  • So yeah it's just some kind of a terminal emulation thing going on and I guess this

  • is probably what this was used for at some point in the past.

  • And while that's kind of neat and I will be holding on to the card, just on the off chance

  • I can do something with it someday, I'm gonna go ahead and take it out here because it is

  • preventing me from booting the computer how I want to.

  • [CLACK!]

  • Ouch, that hurt a little bit.

  • Ended up cutting myself on the edge of the case when I was pulling that card out so uh.

  • Yeah.

  • The perils of working with PCs. That thing was bleeding pretty good.

  • [BEEP!]

  • Anyway, as soon as the card was out of there and yeah this is what I was expecting to see

  • at the very start.

  • Just the standard startup screen that you see in a lot of PS/2s and it's just telling

  • you to insert a disk because yeah.

  • There's no hard drive right now, no operating system, so it needs something.

  • And there we go, I mean.

  • Honestly I could stop right here and just leave the computer as-is because you can't

  • just run this straight from a floppy disk.

  • I could put DOS in there and boot right from it and then maybe just get another faceplate

  • and cover it up, but you know?

  • I really do want to get a hard drive installed so let's see what we can do about that.

  • Unfortunately, I do not have the proper hard disk on hand, so while we're waiting for one

  • to show up from eBay let's go ahead and address

  • some of the yellowing going on with the front of the case.

  • We're gonna start with this floppy disk front panel here.

  • And this just pops right off, there's two little pins on the back that you push down

  • and the floppy drive itself pops out with this little tab -- you pull up on that and

  • the whole thing slides out just like that.

  • Unfortunately getting the front assembly of the case off is a little bit more of a challenge.

  • There are these little plastic bits that you have to squeeze together and then pull.

  • That's not too bad, but there are seven of them and several of those seven are in really

  • tough to reach spots.

  • Once you do get them all squeezed down the entire front of the case just lifts off, and

  • around back here you can see each of those

  • seven plastic tabs that you have to squeeze together.

  • The ones towards the middle and the bottom were the ones that were hardest to reach because

  • they were actually underneath the cage that holds the drive bays.

  • That was just a pain.

  • Oh well, it worked and I was able to source a replacement hard disk panel right here on the right.

  • But as you can see it is a slightly different color than the rest of the front of the case

  • and this was the largest reason that I wanted to try and get the rest of it to kind of match

  • that replacement panel.

  • Which means it's RetroBright to the rescue!

  • And by that I mean some of this 40 volume clear developer stuff.

  • Basically hair bleach, and I’m just gonna pour that into some hot water and then submerge

  • the parts and leave them out in the sun for about combined total of 12 hours is actually

  • what I ended up doing.

  • About six hours over the course of two days.

  • And after all that it lightened up a good amount.

  • I didn’t want to completely bleach this, I wasn't trying to get it white.

  • These PS/2s were always kind of an off-white beige.

  • And then comparing it up against that hard disk panel and well, it's still not exactly

  • the same color temperature.

  • It's better though and that's all I was hoping for.

  • Really it's just gonna be a little bit different anyway because there were a lot of slight

  • variances in the way that these PS/2s came out.

  • Like I have 9 or 10 of these things and each one of them is a slightly different color temperature.

  • Oh well though, just putting the panels back in place and yeah, I'm pretty pleased with

  • how this came out.

  • It's certainly less distracting than it was to my eye so whatever, as long as it looks

  • alright I can deal with that.

  • And after a couple weeks the hard disk that I ordered for it showed up!

  • This is a WDL-330R 30 megabyte model.

  • It's not the original 20 megabyte one that I think came with this machine, but this was

  • available later on from IBM for the Model 30 so it works in my mind.

  • As you can see on the bottom it has the rails to slide into place and around back is the

  • very wide ESDI edge connector.

  • Unfortunately, I was not able to find the cable that

  • was needed to plug this thing into the motherboard.

  • This larger header over here on the right is where the drive would plug in with a ribbon

  • cable but the cables I ordered ended up being these MFM-compatible cables, even though they

  • were described otherwise.

  • I was striking out for weeks trying to find a Model 30-compatible hard disk cable with

  • that wide edge connector on one end and a 44-pin IDC connection on the other.

  • Oh well, let's go ahead and get the floppy disk drive installed once again, that just

  • slides back into place and clips there and well get the cable connected.

  • And then the hard disk will slide right into place right next to it

  • minus the cables required, dang it.

  • And then the front face plates will just clip right back into place there.

  • Looking all nice and tidy with that hard disk assembly and yeah man, it's looking pretty good.

  • Just really bums me out how tricky it's proving to be to find the proper cable with the proper

  • connectors and the correct length and everything, ugh.

  • So in lieu of being able to get that properly set up let's do something fun!

  • This is the LGR AdLib sound card clone.

  • Obviously this is not original to the machine and it did not have a sound card, just that

  • little PC speaker in the bottom right corner there.

  • But I figured why not do something to test some things out because I’ve got computer

  • restoration blue balls with that elusive hard drive cable situation.

  • And we'll just get the rest of the case put back on there and there we go!

  • I'd say this Model 30 came together rather nicely, I'm glad that I got the rest of the case bleached.

  • It matches pretty closely at this point, not perfect.

  • And the bottom right still unfortunately has that little scratched off area where somebody

  • tore into the serial number.

  • But compared to how it was beforehand I mean, I think this looks pretty fantastic.

  • When we started it had marker and tape and goo and grime and all sorts of nastiness.

  • And now, ahhh!

  • Look at that fresh looking Model 30, for the most part!

  • We'll just ignore that hard drive for the time being.

  • Besides it's not gonna stop me from playing games because you can indeed boot DOS and

  • play a number of games directly from floppy disks.

  • I'm gonna try out Sierra’s Silpheed right here because it not only runs in MCGA, which

  • is the native graphics mode of this machine, but it also supports the AdLib sound card

  • and will run directly off of floppy disks and is fine with an 8086 processor.

  • So enjoy a bit of Silpheed here playing on the mostly-restored Model 30!

  • [Silpheed theme music plays in AdLib mode]

  • [PC speaker sounds and AdLib music triumphantly plays]

  • Yeah man, it's good stuff.

  • And to my great pleasure it runs rather well, all things considered, on this 8086 CPU.

  • Certainly better than on an IBM PC or XT with its 4.77 megahertz 8088.

  • Totally playable and it sounds pretty friggin good with that AdLib card.

  • Anyway, that was just for a bit of fun, I'm not gonna keep that AdLib card in there because

  • it's not original to the machine and I wasn't trying to soup this thing up or anything like that.

  • Because again, I do want to use this in a video that I'm gonna be putting together on

  • the IBM Personal System/2 line.

  • To that effect though I do want to answer the question as to why don't I just put another

  • hard disk interface in here since I can't find the correct cable for this one right now.

  • Well again, it's due to the power supply situation because if you remember: the motherboard sends

  • power through the ribbon cable, so that's why I'm not plugging in a hard disk controller

  • card or a flash memory adapter because without power I'm still out of luck.

  • I could use an alternate power supply or rig up my own cable or adapter to draw power from

  • the pins on the motherboard, and there are also devices like the XT-CF-Lite that would

  • let me install a Compact Flash card as a hard drive that draws power from an ISA slot.

  • So I do have options but I'm still going to be looking for the original cable since my

  • goal with this is to get this as close to factory fresh as possible for my upcoming

  • retrospective videos.

  • If you're curious the exact cable I'm looking for is IBM part number 61X8903.

  • I think.

  • It turns out there's a lot of misinformation online about the Model 30 hard drive interface

  • and the exact drives it can use.

  • Turns out this one doesn't utilize ESDI at all and instead it's a proprietary 8-bit IDE-like

  • interface that IBM used in order to get on my nerves 30 years later.

  • So yeah, after all that, I probably don't have the right hard drive for this revision

  • of the Model 30 but hey: live and learn.

  • If I'm lucky I'll have already figured things out by the time you're watching this.

  • But if not it's no big deal since the rest is working perfectly fine for what I have planned.

  • So I hope that you enjoyed this restoration episode, and stay tuned for the follow-up

  • in the future where we'll be taking a closer, more historical look at the Personal System/2

  • line -- specifically these lower-end offerings, the Model 30 and 25.

  • And if you can't wait then I've got plenty more along these lines uploaded already with

  • more stuff popping up every Monday and Friday here on LGR.

  • And as always, thank you very much for watching!

Greetings and welcome to an LGR thing!

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LGR - 恢復1987年的IBM PS/2 Model 30。 (LGR - Restoring a 1987 IBM PS/2 Model 30)

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    林宜悉 發佈於 2021 年 01 月 14 日
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