IBM SBC-659P manual Drive a Drive B

-LBA (Logical Block Addressing): During drive access, the

IDE controller transforms the data address described by

sector, head, and cylinder number into a physical block address, significantly improving data transfer rates. For drives with greater than 1024 cylinders.

Drive A

Drive B

Select the correct specifications for the diskette drive(s) installed in the computer.

None	No diskette drive installed
360K, 5.25 in		5-1/4 inch PC-type standard drive;
	360 kilobyte capacity
1.2M, 5.25 in		5-1/4 inch AT-type high-density
	drive; 1.2 megabyte capacity
720K, 3.5 in		3-1/2 inch double-sided drive;
	720 kilobyte capacity
1.44M, 3.5 in		3-1/2 inch double-sided drive;
	1.44 mega byte capacity
2.88M, 3.5 in		3-1/2 inch double-sided drive;
	2.88 mega byte capacity

46SBC-659P User Manual