There were 38,652 views and 105 comments made on the video prior to the refresh on 2nd November, 2023. Those comments appear below...
@TadRaunch
9 years ago
I did see the old one, but there's nothing wrong with watching it again in glorious HD. I appreciate all the work you've put into your channel, Terry.
@tezzaNZ
9 years ago
Many thanks.
@Jake8857
8 years ago
"IBM, being into computer's for dickaids" LOL
@tezzaNZ
8 years ago
Glad you're enjoying the NZ accent. Bonus feature! (:
@525Lines
9 years ago
I still got my diskette case on my shelf from when I had to use the 5150 in our computer lab to learn how to dial into online services like Dialog.
@asgerms
9 years ago
When picking the number 5150, I wonder if IBM was aware that it is also police code for "a person suspected to have a mental disorder that makes him or her a danger to self, a danger to others, and/or gravely disabled" :)
@tezzaNZ
9 years ago
LOL!
@solidstate0
1 year ago
Only achievable if someone lost their temper and flung one out of a top story window.
@solidstate0
1 year ago
Only achievable if someone lost their temper and flung one out of a top story window.
@TechTimeWithEric
9 years ago
Watching this, while looking at an IBM 5160 on my coffee table
@tezzaNZ
9 years ago
Lovely, isn't it!
@Aramis7
7 years ago
Best keyboard EVER!
@53pittmanjt
4 years ago
Back in the day everything IBM made was impossibly well-engineered and hence expensive. Those old PC and AT keyboards are similar to those used on their dumb terminals and they are the best.
@bukster1
7 years ago
My dad was looking at buying one for his dental surgery in the 80's. However, it was $20,000. You could get a pretty good machine for that sort of money now days. 20 grand is a fair bit of money now, let alone in the 80's
@stonent
8 years ago
I had a nearly identical program on my Tandy 1000HX from Digital Learning Systems that taught you how to use Dos 2.11 and the Tandy keyboard.
@choppergirl
8 years ago
I must of thrown out 5 of these 5150s at one time when they were new in the box, surplus from the local nuclear plant, never opened or used. should of kept at least one but never thought it would ever be collectible.
@realgroovy24
8 years ago (edited)
CHOPPERGIRL AIRWAR "should have kept at least one" you should have kept them all!! that would be VERY rare these days to have the unopened new in the box! even a relatively poor condition one can fetch a good $200 with monitor keyboard etc..
@FubarMike
8 years ago
wow I remember that piano program from when I was a kid only it was part of this big dos based menu we had that was full of dos games. Our computer at the time was a 386 running windows 3.1. I do remember the program launching more quickly on it though
@QuaaludeCharlie
8 years ago
:) QC
@cheekibreeki4638
9 years ago
Such a classic. Love it.
@ryujisakamoto1835
9 years ago
Nice I wish I could have been in the 80's :(
@mmille10
9 years ago
Re. Digital Research and IBM, from what I've since heard, IBM initially offered PC buyers a choice between CP/M and PC-DOS, but DRI priced CP/M too high. Microsoft low-balled the price of DOS, and so that's how they became the standard. Customers preferred the cheaper DOS.
Interestingly, CP/M and DOS were not that different as far as the user was concerned. My memory is fuzzy on this, but I think Cringely explained that in CP/M the hard drive was A:\>, whereas on PC-DOS it was C:\>, but otherwise the commands were almost exactly the same. The reason for this is that Microsoft bought their OS from Seattle Computer Products, which was a small, practically one-man business. The company's founder wanted to create a CP/M clone OS, and IIRC his goal was to create it for Intel processors, rather than Zilog. He got a CP/M technical manual, and wrote his own work-alike OS off of that spec. He called his OS QDOS for "Quick and Dirty Operating System." Microsoft heard about it and bought the rights to it for $50,000. This is what became PC-DOS, though of course they changed the name to "PC Disk Operating System." The rest, as they say, is history...
@tezzaNZ
9 years ago
Regarding the PC-DOS - CP/M similarities and how Microsoft came up with a DOS so quickly, this is what I've read too. However regarding the pricing it was more than just IBM putting the machine out there and letting Microsoft and CP/M slog it out. IBM did have an agreement with Microsoft to supply the "favoured" DOS, which was PC-DOS. I don't know for sure, but I suspect this allowed Microsoft to bundle in the DOS at such a low price. Yes, the price difference was huge. $40 for PC-DOS compared to $240 for 16-bit CP/M!
@dvamateur
9 years ago
Great machines. Unattainable in the '80s, for sure, with the $4,000 price tags for complete systems. But it was magic; nonetheless. Who would've thought that both Microsoft and then Apple turn so evil and controlling on us. I recently acquired an Atari ST system with Cubase MIDI sequencing software (all original and boxed, the actual computer being brand-new old-stock, actually). Haven't had a chance to power it up yet, but I think that puts me in the similar mindset as that of the creator of this video. It's tough to be enthusiast though these days, as it I get ridiculed daily for collecting "old" stuff. I guess pedestrian mainstream public can be as ignorant as cruel.
@tezzaNZ
9 years ago
Well, there at least there is a very supportive Internet community out there for us collectors!
@AD5DU
10 days ago
I don't know if you read comments on your old videos. I was re watching this one, and actually you could have a Monochrome card and monitor and a CGA card and color monitor in the IBM PC at the same time. There even a few programs that would make use of both monitors if available. I think Print Shop and / or Print Master would use both monitors.
@josephsowa
7 months ago
22:10
I wasn’t expecting to hear the Tocatta from Monteverdi’s Orfeo there… reminds me how the Atari 8-bit self-test used Pictures at an Exhibition
@Wombler151
1 year ago
So what are your personal favorites of the collection? Great video series I always come back to.
@Simcore999
1 year ago
@jeremykothe2847
2 years ago
you could kill someone with that keyboard
@IkarusKommt
2 years ago
What a joy it must have been to own it! After all that cheap plastic 8-bit crap... And what a joy it must have been to program it, to access a huge 1MB of RAM without bank switching, and even more in huge 64k pages. And that fantastic 700x350 hi-res monitor, with crispy, nice, international letters...
@GEORGE-jf2vz
2 years ago
Apples arrogance. Overpriced junk.
@rudyiraheta80
4 years ago
upload friendlyware
@josefpiras8304
4 years ago
An IBM Software with Monteverdi's music. What a marvel!
@53pittmanjt
4 years ago
This was my 3rd computer (after a TRS80 mod 1, an Osborne One and an Osborne Executive). It was about $3500 with an Andek amber monochrome monitor, two floppies and I think 64K RAM. Used for work, play and learning for years. Like my TRS80 earlier, this gave me an edge vs. my peers in the IBM midrange/minicomputer world I worked in at the time. When PCs started spreading into corporate environments, I knew enough to participate while most of my IT peers still thought of these things as useless toys. Crazy big money but still a good investment for my career long term.
@SO_DIGITAL
4 years ago (edited)
Memories of my childhood. 10 year old me, mucking about in GWBASIC. My brothers and I pooled resources along with my dad and bought a very well made PC clone made in Brazil. 8088 CPU @ 4.77MHz, IBM style keyboard, 256 K RAM and floppy drive. It had an amber monitor running CGA. It was 1985. I loved those days. When I was in grade 4, I would always practice my math on the PC before a class test. I had quiz software that would ask you random + - / × sums. Compare this to the Sinclair offering and it makes Sinclair look like a toy manufacturer.
@princeofdead
4 years ago
I can not believe the condition of that IBM is awesome, all this year and still the original case color amazing .
@tezzaNZ
4 years ago
Yes, it's held up well to the years.
@SO_DIGITAL
4 years ago
You have the CPU in one corner and the RAM waay on the other side. Doesn't that slow things down? Perhaps at 4.7 MHz it's still OKAY. Love your videos!
@tezzaNZ
4 years ago
I don't know the answer to your question, but thanks for the support!
@mazharsaid4812
4 years ago
Hello someone told me there were two versions of lander and that one had sound and the other never does any one know of this at all. Thanks on the risc os acorn machines thanks
@mazharsaid4812
4 years ago
Hello just wondering how acorn maybe dubbed over sound in the lander game? Thanks
@jobaecker9752
5 years ago
This is the computer I used in our family business for our accounting. I always felt so "cutting edge" when I used it! Wow, what a trip down memory lane. Thanks for an enjoyable video.
@tezzaNZ
5 years ago
Thanks for the positive feedback Jo.
@aaronvaldes3104
5 years ago
Check out www.pcjs.org It is an emulator for the original IBM PC.
@tezzaNZ
5 years ago
Very cool. Thanks for posting the link.
@MichaelRusso
6 years ago
I have clone boards that do have BASIC in ROM. They have no markings of who manufactured them and no tape drive connector.
@charvelgtrs
6 years ago
Is this what I played Oregon Trail on back in elementary school?
@computeraidedworld1148
6 years ago
Wow this channel is great!
@tezzaNZ
6 years ago
Thanks Ethan!
@jesuszamora6949
6 years ago
It's odd to think about what the computer scene would be like today if, say, IBM made custom chips for the 5150, or if they'd outright bought MS-DOS instead of licensing it. Who knows? Maybe Commodore would still be around? Maybe Tramiel's Atari could have found sustained success with the ST? The world would be different, though.
@birdiges
6 years ago
I am so jealous of you collection of classic computers. I love watching your excellent videos too. Thank you.
@tezzaNZ
6 years ago
You're welcome Solan.
@Cornerdweler
6 years ago
love bill gates
@ethnikLSD
6 years ago (edited)
I've just discovered your channel Terry, it's what I was looking for ! Thanks a lot.... +1 subscriber
@tezzaNZ
6 years ago
You are welcome Patrick. Glad you are enjoying the videos.
@davidjacobsen3936
6 years ago
I loved DOS. Just like the original Apple II.
@ericwood3709
6 years ago
Your comment at
9:05
is a little inaccurate. The iMac is but one of many Macintosh models, and a late one at that, so I don't know why you chose to specify it as different from the IBM standard. All Macs were of different standards before Apple's Intel switch circa 2005-06. The two CPU architectures they relied on before then were the Motorola 68000 series and, later on, the PowerPC. These two differed significantly from one another also, though Apple did a great job of ensuring 68k compatibility on their "Power Macintosh" and other PPC-based computers, which I believe they accomplished purely through software and only retained in the "classic" Mac OS versions (prior to their NeXT UNIX-based Mac OS X). All of these Macs, however, whether 68k or PPC, were very different from the IBM standard. And now, of course, there are Intel-based iMacs, which totally goes against what you wrote as an annotation to your video. The iMac started out as a PowerPC-based model in 1998 or so and has been around ever since as a low-cost consumer Mac. It was also something of a revolution for the company's products, as it marked the move away from their old beige boxes of the 90s, and was the first major new product to come out upon the return of Steve Jobs to the company. But that's another story.
@tezzaNZ
6 years ago
Yes, I see your point. I'm not sure why I put that annotation in there now. I'll remove it. I was thinking about the radical design move hence the appearance. Anyway, you are right..it is misleading. Macs were always different.
@andrewdupuis1151
7 years ago
it was great system. I use to have one
@stevebez2767
7 years ago
Not sure why these invade too refer too that cycle stared by Sinclair basic user who is not in this place and is not interesting as calls cycle keyed unrealized simple commonly adjusted figures in use of language that most of whom was here agreed not too call,put into words,phone or use in any way, Hence can't cause debate with no way one won't like too do that again while continue viewing cycled video forms of unknown production which mentions the exact dismentelling routine order non X marks the spot place of do things you will not like too ever sign up with as projections of television evened as exacts too ghost ship you f the long ago no turn back too company world of crazed tick tack joke who never ever was head of any financial industrial conspiracy of buy sell and own you for rabbit hutch ever dazed non tick too hanged mans world,right?
@WedgeBob
7 years ago
I remember that there were even mom-and-pop outfits that made IBM clones during the days before the PC market became oversaturated with big name brands. I'm kind of hoping to collect one of the genuine IBM PCs from the MS-DOS days, which hopefully will be a good reminder of where today's PCs came from. Should be interesting.
@tezzaNZ
7 years ago
Good luck with the search!
@WedgeBob
6 years ago
Thanks. Wound up getting an IBM Personal Computer 340 model, which would be a Windows 95-era machine from them, but...certainly still keeps to that flat, true desktop look, since most other clone companies were moving towards ATX towers at the time.
@SpringDivers
7 years ago
I had a Tandon (not Tandy) knockoff and put a V20 CPU in it. Turned out to be a nice MS-DOS learning device. Thank for video, Terry.
@tezzaNZ
7 years ago
+Wayne Bjorken You a very welcome Wayne.
@1Bonehed
7 years ago
Allot of the longevity of the IBM's & other "High End" business PCs was the fact that they used very clean & over sized power supplies. It's one of the areas manufacturers always seem to go cheap & it drives me crazy. If a computer needs 500W & has a 600W PS, it's likely not gonna last very long. Memory issues & the sorts. Nothing wipes out electronics quicker than dirty power. Great vid, love your channel.
@tezzaNZ
7 years ago
+1Bonehed Thanks for the support.
@LemonChieff
8 years ago
It's great to find this kind of video, thank you for sharing but there is an issues with a whistling noise that makes me nuts sorry
@tezzaNZ
8 years ago
+Lemon Chief Yes, I'd be the first to admit the sound is not so good in some of these videos.
@Anacronian
8 years ago
It's so good looking.
@larrygomez6637
8 years ago
I can appreciate this for it's educational content. I remember the computers I used in 1975 in a visit back to school as either IBM or Apple but I have forgotten which. Nice to look back once in a while. Thank You Terry!
@sukumvit
7 years ago
Well it can't have been Apple as they didn't make any computers in 1975... Or do you mean 1985?
@larrygomez6637
7 years ago
+CJ Fuller Like had said Terry, it was either IBM or Apple. But I do remember early Apples as well. They were similar to the Apple Lisa but info I have says about 1982. I must have bad memory. Wikipedia Apple and view their report as far back as 1976. I can't explain what they are saying but your report is good anyway. Thank you again.
@QuantumBraced
8 years ago
That is so interesting to think about, if IBM had outright bought DOS and/or Microsoft, instead of allowing Microsoft to keep the rights and sell it other manufacturers, computers may be different today. We could have had just one brand of PC - the IBM PC, running IBM's OS, like Apple, and that would have been it. Building your custom PC, which is what most PCs today are, would be about as viable as building your own Mac today. And no one would know of Microsoft and Bill Gates. Truly, a butterfly effect.
@kipkennedy6464
7 years ago
+QuantumBraced You discount the effect of Unix/ Linux in your argument. There would be no Android or popular versions of Linux distros that people run today.
Sooner or later : someone would have come up with a more intuitive way to deal with computing : moving away from LUI (Line user interface) to GUI (graphical user interface). Would it have been as popular as Windows was? This is clearly an impossible question to answer. MS was at the right place at the right time and came at an acceptable cost. It recognized the need to move away from LUI in order for mass public acceptance and did everything in its power to not appear overbearing like an office computer was. Further still, perhaps IBM would have recognized its missed opportunity and dialled in GUI much like a Mac once they were aware of how popular this was. Perhaps IBM would have been too business like even in the GUI environment , since they would use programmers with extensive office experience to design it any ways : and it would not have had the popularity that Windows enjoyed. Perhaps Apple would have realized the need to reach more people through a drop in price and considered creating a version suitable for such purposes.
IBM was such a behemoth , looking back, one cannot believe how quick and steep they would plummet. It set the tone for companies in the software space to always be on the look out and investing in RnD. Apple , again, with its pricing , finally had to settle the processor debate and started using Intel based processors instead of manufacturing their own.
The one thing we know for sure : there is NO such thing as "taken for granted" in the software industry.
@QuantumBraced
8 years ago
That computer is so attractive and the construction seems super sturdy and durable. It looks brand new for being like 30 years old. It's amazing. I really don't understand why IBM don't make consumer products anymore.
@sukumvit
7 years ago
It just wasn't worth their while anymore. By the mid nineties they'd completely lost control of both the hardware and software standards, with Windows 95 the final nail in the coffin as far as any chance of OS/2 ever becoming mainstream... Their PC business was just another 'clone' maker competing against a horde of other cheaper and more nimble clone makers. Plus the cost of providing technical support was not small...
@TheEPROM9
8 years ago
I have recently got my IBM 5150 operational. Still need to fix the last of the RAM errors and get it communicating with the disks but not to bad as it was completely dead when I got it.
@rickymalheirosify
8 years ago
pretending to make a screen-grab can cause someone to fiveichquarteronself!
@okhouri
8 years ago
Thanks again for these great videos
@AumchanterPiLetsPlay
8 years ago
Cool video. I subscribed :)
@AumchanterPiLetsPlay
8 years ago
https://archive.org/details/GaryKild Go to 17;07. This is the true story of what happened and it's not a missed opportunity. It appears that the story commonly put out there is Microsoft/IBM spin. Naughty fellows.This whole episode is excellent. Hope you don't mind me sharing.
@rdillon517
8 years ago
You can sell these machines for $200 on ebay crazy
@realgroovy24
8 years ago
Do you know much about the HP-86? I saw one at the southern landfill in Wellington getting sent to scrap I asked the guy who was there if i could take it and he said nope so that was a shame :( do you think it was worth trying to haggle to take it out?
I would very much like to see in the original IBM PC looked like our original IBM BIOS (BIOS ROM). Is this you could fulfill my dream? Because surely existed?
@r-unitme5619
9 years ago
Thanx so much from me and my 30yo 5150 :). This month is my baby's 30th. Manufactured in Wangaratta Vic Aus, Sept 1984. After my daughters, it is my most cherished possession! As Eric Bana said..."Love the beast!" Cheers, Rolfmeister :)
@tezzaNZ
9 years ago
You're welcome!
@bobclark86
9 years ago
I got one of these in elementary school from my grandfather in about 1994 or so (he was a manager for a large utility, and he bought the PC off his desk for his grandkids when he retired). We called it "The Dinosaur" and played around in Word, a bunch of text-only games and some other stuff (no fancy graphics options for us).
@DavidAmmerlaan
9 years ago
Excellent video. Thanks
@tezzaNZ
9 years ago
You are welcome David.
@mmille10
9 years ago
I wasn't part of the CP/M scene at the time, but I doubt that the disk formats were the issue with incompatibility. I suspect that would've had to do with the computing hardware. As you've said, the scene at the time was that a lot of companies were coming out with their own machines, all incompatible with each other, but usually the incompatibility was in the computing hardware. There were also many incompatible disk formats, but from the way I saw the CP/M market develop I don't think that was an issue for the machines that used it. The reason I say that is the computers that were selling even reasonably well, including other computers you've reviewed, had one or more of these emulators. They'd come with a Zilog Z80 processor, and the claim was they could read CP/M disks. I remember reading that not every CP/M program would work on these emulators, but that there was a large library of CP/M software that would work, particularly business productivity applications. Games probably didn't, as usual.
@tezzaNZ
9 years ago
Hi Mark,
No, unfortunately the CP/M world was a bit of a mess regarding compatibility. From Wikipedia..
"While the 8-inch single density floppy disk format (so-called "distribution format") was standardized, various 5¼ inch formats were used depending on the characteristics of particular systems and to some degree the choices of the designers. CP/M supported options to control the size of reserved and directory areas on the disk, and the mapping between logical disk sectors (as seen by CP/M programs) and physical sectors as allocated on the disk. There were very many ways to customize these parameters for every system but once they had been set, no standardized way existed for a system to load parameters from a disk formatted on another system. No single manufacturer prevailed in the 5¼ inch era of CP/M use, and disk formats were not portable between hardware manufacturers. A software manufacturer had to prepare a separate version of the program for each brand of hardware on which it was to run. With some manufacturers (Kaypro is an example), there was not even standardization across the company's different models. Because of this situation, disk format translation programs, which allowed a machine to read many different formats, became popular and reduced the confusion, as did programs like kermit which allowed transfer of data and programs from one machine to another using the serial ports that most CP/M machines had. The fragmented CP/M market, requiring distributors either to stock multiple formats of disks or to invest in multiformat duplication equipment, compared with the more standardized IBM PC disk formats, was a contributing factor to the rapid obsolescence of CP/M after 1981."
@mmille10
9 years ago
Thanks for that history. Maybe the emulators were familiar with some of the popular formats, and that's the reason they were marketable?... I'm just guessing. Most of the CP/M emulators I saw worked on systems that only had 5-1/4" disk drives, and obviously they were not original hardware, so they would've had to have had some flexibility, as opposed to preferring, say, only Kaypro compatibility, for example.
One thing I remember about the emulators is they came out in the early 1980s. By then the writing may have been on the wall for CP/M, and so the creators of the emulators didn't have a moving target to shoot for anymore.
@randywatson8347
9 years ago
Nice video!
Those 5.25 drives are huge.
@tezzaNZ
9 years ago
You should see the 8' inch ones I've got on one of my other machines! (-:
@TheFlyingScotsman
9 years ago
I'm glad you are going to be continuing to do videos, Teza
@tezzaNZ
9 years ago
Yes, I've recently got a couple of new models. I just need to stock them up with software and learn a bit more about them.
@TheFlyingScotsman
9 years ago
Terry Stewart Do you plan on doing a look at Windows XP when it goes out of support? I know it's a wee bit new
Interestingly, CP/M and DOS were not that different as far as the user was concerned. My memory is fuzzy on this, but I think Cringely explained that in CP/M the hard drive was A:\>, whereas on PC-DOS it was C:\>, but otherwise the commands were almost exactly the same. The reason for this is that Microsoft bought their OS from Seattle Computer Products, which was a small, practically one-man business. The company's founder wanted to create a CP/M clone OS, and IIRC his goal was to create it for Intel processors, rather than Zilog. He got a CP/M technical manual, and wrote his own work-alike OS off of that spec. He called his OS QDOS for "Quick and Dirty Operating System." Microsoft heard about it and bought the rights to it for $50,000. This is what became PC-DOS, though of course they changed the name to "PC Disk Operating System." The rest, as they say, is history...
It is an emulator for the original IBM PC.
There would be no Android or popular versions of Linux distros that people run today.
Sooner or later : someone would have come up with a more intuitive way to deal with computing : moving away from LUI (Line user interface) to GUI (graphical user interface).
Would it have been as popular as Windows was? This is clearly an impossible question to answer. MS was at the right place at the right time and came at an acceptable cost. It recognized the need to move away from LUI in order for mass public acceptance and did everything in its power to not appear overbearing like an office computer was.
Further still, perhaps IBM would have recognized its missed opportunity and dialled in GUI much like a Mac once they were aware of how popular this was.
Perhaps IBM would have been too business like even in the GUI environment , since they would use programmers with extensive office experience to design it any ways : and it would not have had the popularity that Windows enjoyed.
Perhaps Apple would have realized the need to reach more people through a drop in price and considered creating a version suitable for such purposes.
IBM was such a behemoth , looking back, one cannot believe how quick and steep they would plummet. It set the tone for companies in the software space to always be on the look out and investing in RnD.
Apple , again, with its pricing , finally had to settle the processor debate and started using Intel based processors instead of manufacturing their own.
The one thing we know for sure : there is NO such thing as "taken for granted" in the software industry.
Go to 17;07. This is the true story of what happened and it's not a missed opportunity. It appears that the story commonly put out there is Microsoft/IBM spin. Naughty fellows.This whole episode is excellent. Hope you don't mind me sharing.
http://www.old-computers.com/museum/computer.asp?c=140
It's case is similar to the RX-8800 (and Apple II clone).
http://www.classic-computers.org.nz/collection/rx-8800.htm
No, unfortunately the CP/M world was a bit of a mess regarding compatibility. From Wikipedia..
"While the 8-inch single density floppy disk format (so-called "distribution format") was standardized, various 5¼ inch formats were used depending on the characteristics of particular systems and to some degree the choices of the designers. CP/M supported options to control the size of reserved and directory areas on the disk, and the mapping between logical disk sectors (as seen by CP/M programs) and physical sectors as allocated on the disk. There were very many ways to customize these parameters for every system but once they had been set, no standardized way existed for a system to load parameters from a disk formatted on another system. No single manufacturer prevailed in the 5¼ inch era of CP/M use, and disk formats were not portable between hardware manufacturers. A software manufacturer had to prepare a separate version of the program for each brand of hardware on which it was to run. With some manufacturers (Kaypro is an example), there was not even standardization across the company's different models. Because of this situation, disk format translation programs, which allowed a machine to read many different formats, became popular and reduced the confusion, as did programs like kermit which allowed transfer of data and programs from one machine to another using the serial ports that most CP/M machines had. The fragmented CP/M market, requiring distributors either to stock multiple formats of disks or to invest in multiformat duplication equipment, compared with the more standardized IBM PC disk formats, was a contributing factor to the rapid obsolescence of CP/M after 1981."
One thing I remember about the emulators is they came out in the early 1980s. By then the writing may have been on the wall for CP/M, and so the creators of the emulators didn't have a moving target to shoot for anymore.
Those 5.25 drives are huge.
Very comprehensive and interesting.