Jason Taylor wrote:I'm sure. I get the same results trying to create a 1720k.
%fdformat -f 1680 /dev/fd0 fdformat: unknown format 1680 KB for drive type 1.44M %fdformat -f 1720 /dev/fd0 fdformat: unknown format 1720 KB for drive type 1.44M %fdformat -s 21,,,,80 /dev/fd0 Format 1680K floppy `/dev/fd0'? (y/n): y Processing E^C-------------------------------------- %fdformat -s 21,,,,82 /dev/fd0 Format 1722K floppy `/dev/fd0'? (y/n): y Processing E^C--------------------------------------
My mistake. ( I haven't looked at this procedure in a loooong while). I have just successful in creating a 1722 by:
# fdcontrol -f 1722 /dev/fd0 # fdformat fd0 Format 1722K floppy `/dev/fd0'? (y/n): y Processing VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV done.
Not sure about a 1680:
# fdcontrol -v -f 1680 /dev/fd0 fdcontrol: unknown format 1680 KB for drive type 1.44M
Hope this helps a bit.
Yes, it helped a lot! Thank you. It set me down the right path at least. Here's what I came up with that finally worked:
%fdcontrol -s 21,512,0xFF,0X1C,80,500,2,0x0C,2,0,+mfm /dev/fd0 %fdformat fd0 Format 1680K floppy `/dev/fd0'? (y/n): y Processing VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV done.
FWIW, I think the following patch for fdcio.h would let the "fdformt -f 1680 /dev/fd0" method work. I have *not* tested this.
--- fdcio.h Fri Sep 17 21:57:55 2004
+++ fdcio.h.1680 Tue Apr 5 00:19:09 2005
@@ -182,6 +182,7 @@
*/
#define FDF_3_2880 36,2,0xFF,0x1B,80,0,FDC_1MBPS,002,0x4C,1,1,FL_MFM|FL_PERPND
#define FDF_3_1722 21,2,0xFF,0x04,82,0,FDC_500KBPS,2,0x0C,2,0,FL_MFM
+#define FDF_3_1680 21,2,0xFF,0x1C,80,0,FDC_500KBPS,2,0x0C,2,0,FL_MFM
#define FDF_3_1476 18,2,0xFF,0x1B,82,0,FDC_500KBPS,2,0x6C,1,0,FL_MFM
#define FDF_3_1440 18,2,0xFF,0x1B,80,0,FDC_500KBPS,2,0x6C,1,0,FL_MFM
#define FDF_3_1200 15,2,0xFF,0x1B,80,0,FDC_500KBPS,2,0x54,1,0,FL_MFM
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