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http://news.yahoo.com/s/ap/20080509/...recovered_data
On the Net: NASA write-up of the experiment whose data was recovered: http://tinyurl.com/44nqgv the news article tried to downplay the use of the DOS operating system as the OS for the space shuttle, saying that facilitated writing to one hard drive. Windows can also write to one drive - just don't partition it. what leads me to think it was a governmint coverup is the stating that a NASA contractor kept the hard drive for 6 months before handing it over to Kroll Ontrack to 'recover' the data. why did the contractor hold on to it for so long? yeah, we got us one of dem dar govmint covups again. but what else would you expect from NASA, and, also, the evil EWOC (Emperor WithOut Clothes) GWBush! triba la raza! |
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On May 9, 6:36 pm, "Jorge R. Frank" wrote:
DOS was never the OS for the space shuttle. When MS-DOS was on the table, the choice was made to use 68000 chips and the OS-9 operating system instead. But the avionics systems were never based on consumer hardware or software at all. The avionics are distributed among hundreds (about 300) separate specialized control units. These were designed from the ground up specifically for the Shuttle. These control units are interfaced to "General Purpose Computers". At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. It was actually the second generation GPC, in 84. There have been many, very significant changes in the shuttle since the mid 80s. (Again, people seem to think because the orbiters have the same airframes, they are just being flown with the same complement every mission). |
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James Of Tucson wrote:
At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. It was actually the second generation GPC, in 84. No. The GPCs have always been from the IBM AP-101 family. They started out as AP-101B and were upgraded to AP-101S starting in 1991. The S has more memory and has the IOP integrated into the CPU, while the B had separate CPUs and IOPs. The AP-101 family never used Motorola microprocessors. The AP-101 is binary-compatible with the IBM System/360 series. The OS on the shuttle AP-101 GPCs has never been OS-9. The PASS GPCs run a custom OS called FCOS. I don't remember what the OS is called on the BFS GPC but it wasn't OS-9. See Jenkins, 3rd ed, pp 406-407 for discussion. |
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On Sat, 10 May 2008 11:32:03 -0500, "Jorge R. Frank"
wrote: James Of Tucson wrote: At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. It was actually the second generation GPC, in 84. No. The GPCs have always been from the IBM AP-101 family. They started out as AP-101B and were upgraded to AP-101S starting in 1991. The S has more memory and has the IOP integrated into the CPU, while the B had separate CPUs and IOPs. IIRC, 68000s did turn up in the updated Main Engine Controllers circa 1990. I had an Amiga at the time and was impressed that some part of the Shuttle was also now using the 68000. Brian |
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Brian Thorn wrote:
On Sat, 10 May 2008 11:32:03 -0500, "Jorge R. Frank" wrote: James Of Tucson wrote: At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. It was actually the second generation GPC, in 84. No. The GPCs have always been from the IBM AP-101 family. They started out as AP-101B and were upgraded to AP-101S starting in 1991. The S has more memory and has the IOP integrated into the CPU, while the B had separate CPUs and IOPs. IIRC, 68000s did turn up in the updated Main Engine Controllers circa 1990. I had an Amiga at the time and was impressed that some part of the Shuttle was also now using the 68000. Hmm, right you are. Jenkins says the Block II MECs were certified in 1991 (p. 416) but does not mention that it used a 68000. That bit of info is in /Computers in Spaceflight: The NASA Experience/, however. |
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On May 10, 12:32*pm, "Jorge R. Frank" wrote:
James Of Tucson wrote: At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. *It was actually the second generation GPC, in 84. No. The GPCs have always been from the IBM AP-101 family. They started out as AP-101B and were upgraded to AP-101S starting in 1991. The S has more memory and has the IOP integrated into the CPU, while the B had separate CPUs and IOPs. The AP-101 family never used Motorola microprocessors. The AP-101 is binary-compatible with the IBM System/360 series. The OS on the shuttle AP-101 GPCs has never been OS-9. The PASS GPCs run a custom OS called FCOS. I don't remember what the OS is called on the BFS GPC but it wasn't OS-9. See Jenkins, 3rd ed, pp 406-407 for discussion. didn't notice it from your 1st post, Jorge, but saw it when James Of Tucson responded to you. yeah, you have 'ibm' in your email addy. we all know how you IBMers fly by the seat of your pants, so i am sure you DIDN'T read the link i posted when i started the thread. and, everyone knows how IBM does not mind being involved in coverups, particularly when it involves ANY government. and, don't ANYONE forget, that IBM did business with the evil, murderous Germains in world war II. 'nuff said! |
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#9
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In article ,
James Of Tucson wrote: On May 9, 6:36 pm, "Jorge R. Frank" wrote: DOS was never the OS for the space shuttle. When MS-DOS was on the table, the choice was made to use 68000 chips and the OS-9 operating system instead. But the avionics systems were never based on consumer hardware or software at all. The avionics are distributed among hundreds (about 300) separate specialized control units. These were designed from the ground up specifically for the Shuttle. These control units are interfaced to "General Purpose Computers". At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. It was actually the second generation GPC, in As someone else posted in more detail, the main computers were off-the-shelf IBM hardware. See http://www-03.ibm.com/ibm/history/ex...e_shuttle.html -- Al Dykes News is something someone wants to suppress, everything else is advertising. - Lord Northcliffe, publisher of the Daily Mail |
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On May 10, 12:41*pm, (Al Dykes) wrote:
In article , James Of Tucson wrote: On May 9, 6:36 pm, "Jorge R. Frank" wrote: DOS was never the OS for the space shuttle. When MS-DOS was on the table, the choice was made to use 68000 chips and the OS-9 operating system instead. But the avionics systems were never based on consumer hardware or software at all. The avionics are distributed among hundreds (about 300) separate specialized control units. *These were designed from the ground up specifically for the Shuttle. * These control units are interfaced to "General Purpose Computers". At one time, the GPCs were based on a Motorola 68000, but a special one that was designed for the space program. That one ran OS-9. *It was actually the second generation GPC, in As someone else posted in more detail, the main computers were off-the-shelf IBM hardware. See *http://www-03.ibm.com/ibm/history/ex...e_shuttle.html -- Al Dykes *News is something someone wants to suppress, everything else is advertising. * * - Lord Northcliffe, publisher of the Daily Mail- Hide quoted text - - Show quoted text - yeah, and IBM computers = **** computers. no more need be said! |
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