
moresmarterthanspock wrote:and now with Windows 8 seeming to head more towards a locked-down kiosk,
Peter Bright wrote:x86 Windows 8 systems must allow users to add and remove certificates from the firmware's certificate store. For example, a Linux vendor could provide a signed operating system loader and corresponding certificate: all x86 Windows 8 systems must permit users to install such certificates. Microsoft calls this "custom mode", in contrast to "standard mode", that includes only the Microsoft certificate.
x86 Windows 8 systems must also allow secure boot to be turned off completely, so that no certificate verification is performed at all.
UEFI allows the ability to drop back to mimicking BIOS, to allow UEFI systems to start pre-UEFI operating systems. This is done through a combination of running the "option ROMs" embedded into many components, and Compatibility Support Modules (CSMs) to hand over control to a legacy operating system.
Windows 8 machines using x86 processors can offer this kind of backwards compatibility, but they must not invoke it without explicit user action; in other words, this "BIOS mode" must be explicitly enabled. Further, if secure boot is enabled, the system must not enter BIOS mode at all. Systems with 32-bit Windows can even ship in BIOS mode by default, though they must still be capable of UEFI mode.
Ryu Connor wrote:As an aside, there wasn't anything fun about the old days.
BIF wrote:You're right. Nothing fun about the old days.
just brew it! wrote:* The refrigerator sized disk drives I remember didn't even store a gig... they stored only 10 MB!

bthylafh wrote:just brew it! wrote:* The refrigerator sized disk drives I remember didn't even store a gig... they stored only 10 MB!
I saw one (maybe two?) of those down in a Minuteman control silo at Whiteman AFB in the summer of '96, after it'd been converted into a museum.
moresmarterthanspock wrote:With all of the talk about standards, compatibility, ease of use, and now with Windows 8 seeming to head more towards a locked-down kiosk, I'm really missing the old days of computing. There was no standard. You had different brands. Tandy, Timex, Commodore, Atari, Apple, IBM, and some other obscure computer companies. I know it was more difficult with the different choices, but that is what made computing more fun IMO. That and before plug-and-play. You had to manually set the jumpers inside your computer for different I/O address, IRQ, and DMA. It wasn't as easy as configuring and using a computer in today's world, but there was a sense of satisfaction in the challenge and sucessfully making something work right. That and it was yours, and it was unique. You had a different monster than your neighbor. Kind of like the Sega Genesis vs. Super Nintendo vs. anything else. They each had their own unique graphics and style of sound. To me, it was a more beautiful world having the variety, and then needing the knowledge to make it work right.
just brew it! wrote:bthylafh wrote:just brew it! wrote:* The refrigerator sized disk drives I remember didn't even store a gig... they stored only 10 MB!
I saw one (maybe two?) of those down in a Minuteman control silo at Whiteman AFB in the summer of '96, after it'd been converted into a museum.
Was it one of these? That's the model I used back in the day! 5 MB on an internal platter, and 5 MB on a platter housed in a removable plastic cartridge. (To get a sense of scale, the platters were 14 inches in diameter.)

moresmarterthanspock wrote:With all of the talk about standards, compatibility, ease of use, and now with Windows 8 seeming to head more towards a locked-down kiosk, I'm really missing the old days of computing. There was no standard. You had different brands. Tandy, Timex, Commodore, Atari, Apple, IBM, and some other obscure computer companies. I know it was more difficult with the different choices, but that is what made computing more fun IMO. That and before plug-and-play. You had to manually set the jumpers inside your computer for different I/O address, IRQ, and DMA. It wasn't as easy as configuring and using a computer in today's world, but there was a sense of satisfaction in the challenge and sucessfully making something work right. That and it was yours, and it was unique. You had a different monster than your neighbor. Kind of like the Sega Genesis vs. Super Nintendo vs. anything else. They each had their own unique graphics and style of sound. To me, it was a more beautiful world having the variety, and then needing the knowledge to make it work right.
Sargent Duck wrote:I only got into computers in the mid 90's. Maybe I'm missing out on the old old nostgalia factor, but as a mild enthusiast, I don't miss:
- floppy drives
- IDE cables
- sharp metal case edges
- ugly cases
- jumpers on IDE drives
- Win 95/98 crashing
- re-formatting every 4 months
- hunting down drivers for obscure accesories (thank you plug-n-play)
- LOUD fans
- trying to figure out what soundcard/video card your friend has in their computer so you can find the drivers
- IDE drives with no jumper diagram
- making sure all the cables were seated properly.
You can keep those "old days of computing". I rather enjoy today's hardware scene/Windows 7. Everything just plugs in so nice and neat, everything just works and I don't lose any blood assembling a computer.
pikaporeon wrote:That reminds me - what ever happened to SCSI?
I had the impression that they were SUPER FAST drives that'd evnetually be user accessable once prices dropped a bit - I assume the super high RPM drives were succeeded by SSDs, but how does the actual interface shake up vs SATA? And why could SCSI drives hit 15k RPM, which never seemed to hit the consumer market?
mortuk wrote:CP/M was the operating system of the real power users
pikaporeon wrote:That reminds me - what ever happened to SCSI?
I had the impression that they were SUPER FAST drives that'd evnetually be user accessable once prices dropped a bit - I assume the super high RPM drives were succeeded by SSDs, but how does the actual interface shake up vs SATA? And why could SCSI drives hit 15k RPM, which never seemed to hit the consumer market?
just brew it! wrote:
15K RPM SCSI drives never caught on in consumer systems because of cost, noise, and heat. Closest we got were the 10K RPM Raptors.
pikaporeon wrote:I had the impression that they were SUPER FAST drives that'd evnetually be user accessable once prices dropped a bit - I assume the super high RPM drives were succeeded by SSDs, but how does the actual interface shake up vs SATA? And why could SCSI drives hit 15k RPM, which never seemed to hit the consumer market
Glorious wrote:JBI and Ryu covered it, but I'd like to specifically say that it wasn't SCSI that made those drives fast. SCSI is just an interface. Perhaps a better one, but it wasn't the source of the speed.
JBI wrote:Not entirely true. Until NCQ became a part of the SATA spec, SCSI protocol had an inherent advantage in that it allowed the drive to service requests out-of-order to minimize seeking, whereas PATA/SATA did not. (I'm ignoring the older PATA/SATA TCQ feature since it was never widely adopted... IIRC only IBM/Hitachi and the WD Raptors implemented it.)
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