SECOMX-945/N270
User Manual
- Rev. First Edition: 0.1 - Last Edition: 2.1 - Author: S.B. - Reviewed by G.M.
Copyright © 2011 SECO s.r.l.
SECOMX-945/N270
pag. 22
3.2.2.5 Optional signals
Depending on your SECOMX-945/N270 module, some of the signals indicated on the above tables
can be absent on the connector.
Floppy Disk Controller could be totally absent. In that case, only signals for Parallel port will be
present, and there will be no possibility to enable internal Floppy Disk controller (see also par. 4.2,
4.5.7 and 4.5.8).
Floppy Disk Signals (connector X3)
Pin 56: Density_Select#
Pin 60: Head_Select#
Pin 64: DIR#
Pin 70: STEP#
Pin 72: Disk_Change#
Pin 74: Read_Data#
Pin 76: Write_Protected#
Pin 78: Track0#
Pin 80: Index#
Pin 84: Drive_select_1#
Pin 86: Motor1#
Pin 88: Write_Data#
Pin 90: Write_Gate#
SATA to PATA bridge could also be absent. In that case, signals for Secondary IDE port will be
absent and signals for SATA 1 will be available on connector X2.
Secondary IDE Signals (connector X4)
Pin 25: Secondary_IDE_Chip_Select3#
Pin 27: Secondary_IDE_Chip_Select1#
Pin 29: Secondary_IDE_Address_Line_2
Pin 31: Secondary_IDE_Address_Line_0
Pin 37: Secondary_IDE_Address_Line_1
Pin 39: Secondary_IDE_Interrupt_Line
Pin 43: Secondary_IDE_Acknowledge_Line#
Pin 45: Secondary_IDE_Ready
Pin 47: Secondary_IDE_IORead#
Pin 47: Secondary_IDE_IORead#
Pin 51: Secondary_IDE_IOWrite#
Pin 53: Secondary_IDE_DMA_request
Pin 55: Secondary_IDE_Data_Line_15
Pin 57: Secondary_IDE_Data_Line_0
Pin 59: Secondary_IDE_Data_Line_14
Pin 61: Secondary_IDE_Data_Line_1
Pin 63: Secondary_IDE_Data_Line_13
Pin 67: Secondary_IDE_Data_Line_2
Pin 69: Secondary_IDE_Data_Line_12
Pin 71: Secondary_IDE_Data_Line_3
Pin 73: Secondary_IDE_Data_Line_11
Pin 75: Secondary_IDE_Data_Line_4
Pin 77: Secondary_IDE_Data_Line_10
Pin 79: Secondary_IDE_Data_Line_5
Pin 83: Secondary_IDE_Data_Line_9
Pin 85: Secondary_IDE_Data_Line_6
Pin 87: Secondary_IDE_Data_Line_8
Pin 94: Secondary_IDE_Data_Line_7
When SATA to PATA bridge is mounted, then signals for SATA Channel 1 will be absent from
connector X2
SATA Channel 1 (connector X2)
Pin 4: S
Pin 6: SATA0_Rx-
Pin 10: SATA0_Tx-
Pin 12: S
