W83627HF/ F/ HG/ G
CRF1 (Default 0x00)
BIT
DESCRIPTION
7 - 6 Boot Floppy
00: FDD A
01: FDD B
10: FDD C
11: FDD D
5 - 4 Media ID1, Media ID0. These bits will be reflected on FDC's Tape Drive Register bit 7,
6.
3 - 2 Density Select
00: Normal (Default)
01: Normal
10: 1 (Forced to logic 1)
11: 0 (Forced to logic 0)
1
0
DISFDDWR
0: Enable FDD write.
1: Disable FDD write(forces pins WE, WD stay high).
SWWP
0: Normal, use WP to determine whether the FDD is write protected or not.
1: FDD is always write-protected.
CRF2 (Default 0xFF)
BIT
DESCRIPTION
7 - 6 FDD D Drive Type
5 - 4 FDD C Drive Type
3 - 2 FDD B Drive Type
1 - 0 FDD A Drive Type
Publication Release Date: June 09, 2006
Revision 2.27
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