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)


T1000XE External 3.5" FDD I/F connector (26-pin)
------------------------------------------------

PIN  Input/Output       Signal

1                       P21A (VCC)
2       I               Index   
3                       P21A (VCC)
4       O               FDD Select A
5                       P21A (VCC)
6       I               Disk Change
7                       P21A (VCC)
8       I               Ready
9       I               Media
10      O               Mona
11      O               Low Density
12      O               FDC Direction
13                      Ground
14      O               Step
15                      Ground
16      O               Write Data
17                      Ground
18      O               Write Gate
19                      Ground
20      I               Track 0
21                      Ground
22      I               Write Protect
23                      Ground
24      I               Read Data
25                      Ground
26      O               Side