RAW Read on PC

13 Nov 97 20:41, Yuri Lekarkin reported ALL about {RAW Read on PC}:

YL> To get the entire track image on a PC proceed as follows:

Thanx, everything is clear.

If you know everything so well :), maybe you can clarify the meaning of the bits in the bytes
parameters HMMD (490h for A:, 491h for B:)?

Warm greetings, Slava!

I sent you the soapy answer again.

24 Nov 97 00:13, Vyacheslav Mednonogov wrote to Yuri Lekarkin:

VM> If you know everything so well :), maybe you can clarify the meaning of
VM> bits in the bytes of the HGMD parameters (490h for A:, 491h for B:)?

Bitfields for diskette drive media state:
Bit(s) Description (Table M028)
7-6 data rate
00=500kbps, 01=300kbps, 10=250kbps, 11=1Mbps
5 double stepping required (e.g. 360kB in 1.2MB)
4 media type established
3 drive capable of supporting 4MB media
2-0 on exit from BIOS, contains
000 trying 360kB in 360kB
001 trying 360kB in 1.2MB
010 trying 1.2MB in 1.2MB
011 360kB in 360kB established
100 360kB in 1.2MB established
101 1.2MB in 1.2MB established
110 reserved
111 all other formats/drives
Best regards
┬ ┬┌┐┬┐ ┐┬┬
╨╜╨╙╜╨╙ ╨ ╨

VY> Bitfields for diskette drive media state:

/skip/

Very, very, very thanx!!! Although not everything is clear :)

Warm greetings, Slava!

ps\ what is the source? ;)

VM> Very, very, very thanx!!! Although not everything is clear :)
VM> ps\ what is the source? ;)

Ralf Brown Interrupt List
Sincerely
┬ ┬┌┐┬┐ ┐┬┬
╨╜╨╙╜╨╙ ╨ ╨