DIGITAL-LOGIC AG
PCCP5 Manual V2.3
89
J25 IDE interface connector – AT- IDE 3,5" 40 pins RM2.54
Pin
Signal
Pin
Signal
Pin 1
= Reset (active low)
Pin 2
= N.C.
Pin 3
= D7
Pin 4
= D8
Pin 5
= D6
Pin 6
= D9
Pin 7
= D5
Pin 8
= D10
Pin 9
= D4
Pin 10
= D11
Pin 11
= D3
Pin 12
= D12
Pin 13
= D2
Pin 14
= D13
Pin 15
= D1
Pin 16
= D14
Pin 17
= D0
Pin 18
= D15
Pin 19
= GND
Pin 20
= N.C. (keypin)
Pin 21
= N.C.
Pin 22
= GND
Pin 23
= IOW (active low)
Pin 24
= GND
Pin 25
= IOR (active low)
Pin 26
= GND
Pin 27
= NC
Pin 28
= ALE / Master-Slave (not used)
Pin 29
= NC
Pin 30
= GND
Pin 31
= IRQ14
Pin 32
= IOCS16 (active low)
Pin 33
= ADR1
Pin 34
= N.C.
Pin 35
= ADR0
Pin 36
= ADR2
Pin 37
= CS0 (active low)
Pin 38
= CS1 (active low)
Pin 39
= LED (active low)
Pin 40
= GND
J21 Floppy disk interface connector for 5,25" and 3,5" FD (34 pins header)
Pin
Signal
Pin
Signal
Pin 1,
= GND
Pin 2
= RPM
Pin 3
= GND
Pin 4
= NC
Pin 5
= GND
Pin 6
= NC
Pin 7
= GND
Pin 8
= INDEX
Pin 9
= GND
Pin 10
= Motor on device 0
Pin 11
= GND
Pin 12
= Drive select 1
Pin 13
= GND
Pin 14
= Drive select 0
Pin 15
= GND
Pin 16
= Motor on device 1
Pin 17
= GND
Pin 18
= Head direction
Pin 19
= GND
Pin 20
= Step
Pin 21
= GND
Pin 22
= Write data
Pin 23
= GND
Pin 24
= Write gate
Pin 25
= GND
Pin 26
= Track 00
Pin 27
= GND
Pin 28
= Write protection
Pin 29
= GND
Pin 30
= Read data
Pin 31
= GND
Pin 32
= Head selection 0/1
Pin 33
= GND
Pin 34
= Disk change signal