FDC37C665GT_07 SMSC [SMSC Corporation], FDC37C665GT_07 Datasheet - Page 75

• Manufacturer Part Number: FDC37C665GT_07
• Description: High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
• Manufacturer: SMSC [SMSC Corporation]

This byte reflects the value of the LOCK bit set
by the command byte.
ENHANCED DUMPREG
The DUMPREG command is designed to
support
application software development and debug.
To accommodate the LOCK command and the
enhanced PERPENDICULAR MODE command
the eighth byte of the DUMPREG command has
been modified to contain the additional data
from these two commands.
system
run-time
diagnostics
and
75
COMPATIBILITY
The FDC37C665GT/666GT was designed with
software compatibility in mind.
backwards- compatible solution with the older
generation 765A/B disk controllers. The FDC
also
compatibility with the PS/2, as well as PC/AT
and PC/XT, floppy disk controller subsystems.
After a hardware reset of the FDC, all registers,
functions and enhancements default to a PC/AT,
PS/2 or PS/2 Model 30 compatible operating
mode, depending on how the IDENT and MFM
bits are configured by the system bios.
implements
on-board
registers
It is a fully
for