Specifying 64-bit addresses
The following applies to display input fields and command parameters where 64-bit addresses are supported.
A 64-bit enabled address field or command parameter can be specified by up to 16 hexadecimal digits, and might optionally include an underscore between bits 31 and 32. If an underscore is specified, then the value on the right hand side of the underscore is automatically padded with leading zeroes to form 8 digits. For example, the following are all considered identical address specifications:
100100000
1_100000
1_00100000
0000000100100000
00000001_00100000
Special consideration for 2GB-4GB addresses
Addresses in the range 80000000 to 8FFFFFFF are generally considered 31-bit addresses with the high-order bit (bit 0) ignored.
Whenever an address in this range, that does not include an underscore in the specification, is selected or entered, the high-order bit is implicitly set to 0 before the resulting 31-bt address is displayed.
To display storage in the 2GB-4GB range, the specified address must include an underscore. For example, entering the address as 0_80000000 or simply _80000000, will display the 64-bit address 80000000.