Computer Drive - Floppy Disk Drive User Manual

5.3 Host Commands
C141-E224 5-93
8C73h The device requires the SET FEATURES sub-command after the
power-on sequence in order to spin-up. The Identify information
is incomplete.
C837h The device requires the SET FEATURES sub-command after the
power-on sequence in order to spin-up. The Identify information
is incomplete.
Others Reserved
*4 Word 49: Capabilities
Bits 15-14: Reserved
Bit 13: Standby timer value. ATA spec is '1.'
Bit 12: Reserved
Bit 11: '1' = IORDY supported
Bit 10: '1' = IORDY inhibition supported
Bit 9: '1' = DMA supported
Bit 8: '1' = LBA supported
Bits 7-0: Undefined
*5 Word 50: Device capability
Bit 15: 0
Bit 14: 1
Bit 13 to 1 Reserved
Bit 0 Standby timer value '1' = Standby timer value of the device is the
smallest value.
*6 Word 51: PIO data transfer mode
Bits 15-8: PIO data transfer mode X’02’=PIO mode 2 supported
Bits 7-0: Undefined
*7 Word 53: Enable/disable setting of word 54-58 and 64-70
Bits 15-3: Reserved
Bit 2: '1' = Enable the word 88
Bit 1: '1' = Enable the word 64-70
Bit 0: '1' = Enable the word 54-58