			Floppy Ports and Connectors


DB-25 External Floppy Drive Port
(All laptops except T1100) 
--------------------------------
PIN  Input/Output   Signal

1       I       Drive Ready
2       I       Index
3       I       Track 0
4       I       Write Protect
5       I       Read Data
6       I       Disk Change (All Toshiba computers except T1000, 
		T1100 Plus, T1200)
7-9             not used
10      O       Drive Select
11      O       Motor On 
12      O       Write Data
13      O       Write Gate
14      O       Low Density (All Toshiba computers except T1000, 
		T1100 Plus, T1200)
15      O       Side Select
16      O       Direction
17      O       Step
18-25           Signal Ground
		(T1000 MUST have pins 24 and 25 grounded)




Toshiba 5.25" 360KB External Floppy Drive DB-25 Connector
---------------------------------------------------------

PIN  Input/Output  Signal


1       O       Ready
2       I       Side Select
3       O       Read Data
4       O       Write Protect
5       O       Track 0
6       I       Write Gate
7       I       Write Data
8       I       Step
9       I       Direction
10      I       Drive Select
11      I       Motor On
12      O       Index
13-25           Signal Ground 


IBM XT 360KB Floppy Drive 34 Pin Card Edge Connector    
----------------------------------------------------

PIN  Input/Output  Signal

2,4,6           Unused
8       O       Index
10      I       Motor Enable A
12      I       Drive Select B
14      I       Drive Select A
16      I       Motor Enable B
18      I       Direction
20      I       Step Pulse
22      I       Write Data
24      I       Write Gate
26      O       Track 0
28      O       Write Protect
30      O       Read Data
32      I       Select Head 1
34              Unused
Odd Pins        Signal Ground


IBM AT 1.2MB Floppy Drive 34 Pin Card Edge Connector
----------------------------------------------------

PIN  Input/Output  Signal

2       I       High / Low Density
4               Reserved
6       I       Drive Select 4
8       O       Index 
10      I       Drive Select 1
12      I       Drive Select 2
14      I       Drive Select 3
16      I       Motor On
18      I       Direction Select
20      I       Step
22      I       Write Data
24      I       Write Gate
26      O       Track 0
28      O       Write Protect
30      O       Read Data
32      I       Side Select
34      O       Disk Change / Ready
Odd Pins        Signal Ground


IBM AT 360KB Floppy Drive 34 Pin Card Edge Connector
----------------------------------------------------

PIN  Input/Output  Signal

2               Reserved
4       I       In Use
6       I       Drive Select 4
8       O       Index
10      I       Drive Select 1
12      I       Drive Select 2
14      I       Drive Select 3
16      I       Motor On
18      I       Direction Select
20      I       Step
22      I       Write Data
24      I       Write Gate
26      O       Track 0
28      O       Write Protect
30      O       Read Data
32      I       Side Select
34      O       Reserved / Ready
Odd Pins        Signal Ground


				Floppy Cables


Toshiba Laptops to IBM Floppy Drive 
Toshiba Male DB-25 to 34 pin IBM-style Card Edge connector (shielded)
---------------------------------------------------------------------

360KB/720KB Floppy Drive        1.2MB Drive 
(All except T1100)              (All except T1000, T1100, 
				T1100 Plus, T1200F/FB/H/HB)
1 ---------- 33 & 34            Add
2 ---------- 8                  6 ---------- 34
3 ---------- 26                 14 -------- 2
4 ---------- 28                 Change
5 ---------- 30                 1 ---------- 33
6-9 ------- not connected
10 -------- 12
11 -------- 16
12 -------- 22
13 -------- 24
14 -------- not connected
15 -------- 32
16 -------- 18
17 -------- 20
18 -------- 19
19 -------- 21
20 -------- 23
21 -------- 25
22 -------- 27
23 -------- 29
24 -------- 31
25 -------- 17


Toshiba Laptops to Toshiba Ext. FDD or Toshiba PC Floppy Link (Except T1100)
(Toshiba PC Floppy Link has 2 position INT/EXT switch)        (Toshiba cable)
Male DB-25 to Male DB-25 (shielded)

1 ---------- 1
2 ---------- 12
3 ---------- 5
4 ---------- 4
5 ---------- 3
10 -------- 10
11 -------- 11
12 -------- 7
13 -------- 6
15 -------- 2
16 -------- 9
17 -------- 8
18 -------- 21
19 -------- 14
20 -------- 25
21 -------- 18
23 -------- 15,17,22,23,24
24 -------- 20
25 -------- 19


Toshiba Laptops to Toshiba Universal Floppy Link (Toshiba cable)
(Toshiba Universal Floppy Link has 3 position A, B, INT switch)
Male DB-25 to Female DB-25 (shielded)
All wires straight thru example 1 to 1, 2 to 2, 3 to 3 etc.  
7-9 not connected


	    Standard Centronics Compatible Parallel Port DB-25
			 (All TOSHIBA Portables)

PIN  Input/Output  Signal

1       O          Strobe
2       O          Data 0
3       O          Data 1
4       O          Data 2
5       O          Data 3
6       O          Data 4
7       O          Data 5
8       O          Data 6
9       O          Data 7
10      I          Acknowledge
11      I          Busy
12      I          Paper End
13      I          Select
14      O          Auto Feed
15      I          Error (Fault)
16      O          Initialize Printer
17      O          Select Input
18-25              Signal Ground 


