Shugart SA4600 Manual 

36, D c B - A 8 r 7 I 6 , 5 4 I 3 I 2 I ,..-- ____ -+-+-i-+-+-:?-L. I A. G:, j:: 4- L- _____________ ~._----~~~~~~\~ i~~_4------------- ,..-- _____ ~~~~5~2~ 1 L...--------------------~~._----_+4_~~~~2~S~L 2~~~--------------- r-----+~~~I~\ ~~~~R L9~4_-----------…

9, J1 Ground 1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 Ground 49 50 4.4 Read -Head Select 1 -Head Select 2 -Head Select 4 -Head Select 8 -Index -Ready -Sector Mark -Drive Select 1 -Drive Select 2 -Drive Select 3 -Driv…

10, Shugart SA4600 4.7 DMA Request G rou n d I 1 I 'l I I £ 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 • Ground 48 49 50 A nnnr-rat"" J-\U U n c;);) READ WRITE CONTROL SELECT INTERRUPT DMA REQUEST DMA ACKNOWLEDG…

16, 010 - CRC Error Data Field - The controller was unable to read the data field. If retry is inhibited this result will be sent after the DMA transfer of the data in error has been sent. When retry is enabled the controller will attempt to read the data twice and if …

17, Table 6. Initialize Parameter Map Parameter #1 7 6 5 4 3 2 0 I I I I Drive Address I I Number of Moveable Heads Set When Fixed Heads are Installed Parameter #2 7 6 5 4 3 2 0 I I I I Maximum Cylinder Code o = 202 (fixed disk) 77 (floppy …