Western Digital T13/2132-D - Manual (Page 71)

June 23, 2010 T13/2132-D Revision 3
Working Draft Enhanced Disk Drive - 4 (EDD-4) 59
8.22 Initiate Disk Emulation (FN 4Ah)
This function uses the CD Specification Packet to create an emulated disk drive. The emulated device shall
have the device number supplied in the CD Specification Packet and can be accessed using INT13h FNs 0-49h.
Entry
AH 4Ah
AL 00h
DS:SI Pointer to CD Specification Packet (see table 27)
Exit
Carry Clear Function completed without error, emulation request was successful
AH Shall be cleared to zero
Carry Set Function completed with an error, emulation not initiated
AH Shall be set to the error code