Changes
/* Extended Disk Parameter Block (DPB,CSA,ALT) for Drive A/B */
0Eh 2 ALV Pointer to ALT (A8B9h/A8F9h for Drive A/B) Allocation Table
== Extended Disk Parameter Block (DPBXDPB,CSA,ALT) for Drive A/B ==
00h 2 SPT Records per Track (CPM/Data=36, IBM=32)
02h 1 BSH Block Shift (3) (records per block = 1 SHL N)
