64-Bit z/OS Assembler Coding - Tachyon Software
64-Bit z/OS Assembler Coding - Tachyon Software
64-Bit z/OS Assembler Coding - Tachyon Software
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Address<br />
Space<br />
2 <strong>64</strong><br />
2 60<br />
E<br />
z/Architecture Overview<br />
Regions<br />
Region<br />
First<br />
2 53<br />
2 50<br />
P<br />
Region<br />
Second<br />
2 42<br />
2 40<br />
T<br />
Region<br />
Third<br />
2 31<br />
2 30<br />
G<br />
Segment<br />
2 20<br />
2 20<br />
M<br />
Page 2 12 4K Kilobyte 2 10 1,024<br />
Segment 2 20 1M Megabyte 2 20 1,048,576<br />
Page<br />
2 12<br />
2 10<br />
K<br />
Region 3rd 2 31 2G Gigabyte 2 30 1,073,741,824<br />
Region 2nd 2 42 4T Terabyte 2 40 1,099,511,627,776<br />
Byte<br />
2 0<br />
Region 1st 2 53 8P Petabyte 2 50 1,125,899,906,842,624<br />
Address 2 <strong>64</strong> 16E Exabyte 2 60 1,152,921,504,606,846,976<br />
Space
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