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