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        Diskette params (INT 1Eh - base table)

        (Default at F000:EFC7 in PC and most compatibles)
        Format of diskette parameters:

Offset  Size    Description
 00h    BYTE    4-bit step rate & 4-bit head unload times
 01h    BYTE    7-bit head load time & 1-bit DMA flag
 02h    BYTE    motor off time in clock ticks (36 to 38 typical)
 03h    BYTE    sector size in bytes (0->128, 1->256, 2->512, 3->1024)
 04h    BYTE    last sector number (8 or 9 typical)
 05h    BYTE    inter-sector gap size on read/write (42 typical)
 06h    BYTE    data transfer length (255 typical)
 07h    BYTE    inter-sector gap size on format (80 typical)
 08h    BYTE    sector fill on format (F6h typical)
 09h    BYTE    head-settle time ms (typical 25, 1.10->0, 2.10->15, 3.10->1)
 0Ah    BYTE    motor start-up time (1/8 secs) (typical 4, 2.10->2)