Christian Groessler schrieb:

> Do you (or anyone else) know the pin layout of the disk connector?

50 pin header:
=============
(signals in parantheses not used by Sider)

Gnd    1  2   D0
Gnd    3  4   D1
Gnd    5  6   D2
Gnd    7  8   D3
Gnd    9 10   D4
Gnd   11 12   D5
Gnd   13 14   D6
Gnd   15 16   D7
Gnd   17 18   (DP)
Gnd   19 20   (Gnd)
Gnd   21 22   (Gnd)
Gnd   23 24   (Gnd)
Gnd   25 26   (Termpower)
Gnd   27 28   (Gnd)
Gnd   29 30   (Gnd)
Gnd   31 32   (Atn)
Gnd   33 34   (Gnd)
Gnd   35 36   Busy
Gnd   37 38   /Ack
Gnd   39 40   /Reset
Gnd   41 42   /Message
Gnd   43 44   /Select
Gnd   45 46   C/D
Gnd   47 48   /Request
Gnd   49 50   I/O

IO Adresses:
===========
Read $C0n0: SASI state
 bit 3: /Busy
     4: /Message
     5: I/O
     6: C/D
     7: Request
Write $C0n0: SASI latch
 D0..D7
Read $C0n1: SASI data
 D0..D7
Write $C0n1: SASI control
 bit 4: /enable latch output (let written data go to bus)
     5: Reset
     6: /Busy
     7: Select


Patrick