Conventional Memories

This page is part of my Toshiba Tech Access archive project, to learn more please visit the project page, Some of the files from the Toshiba BBS referenced here can also be found there.

Index

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Current Pinouts and Connections (9005)

Bus and Port Replicator Connectors / CRT Connectors / Floppy Cables / Floppy Ports and Connectors / Parallel Ports / Serial Cables / Serial Ports / Other Ports

Bus and Port Replicator Connectors

150 pin bus connector

(See Computer Specifications section for models this port applies to)

PINSignalPINSignalPINSignal

1DCIN51SMER101DACK2

2DCIN52GND102DRQ6

3DCIN53IOWR103DRQ5

4DCIN54IORD104DACK5

5CURNT55TC105MERD

6CURNT56BALE106IRQ4

7CURNT57RESET107MEWR

8CURNT58DACK1108IRQ7

9ADPCN59IRQ9109GND

10GND60GND110RED

11RVCC 61Not Connected111GREEN

12GND62IOCLK112BLUE

13CPCNF63IRQ5113GND

14MDMSL64DRQ3114PHSYNC

15COMCLK65DACK3115PVSYNC

16MIRQ66AEN116GND

17SPKTON67DRQ1117EKBDAT

18GND68IOCRDY118EKBCLK

19SA0069GND119TENKEY

20SA0170IRQ10120MDUSED

21SA0271IRQ14121MDSECK

22SA0372SD08122GND

23SA0473SD09123STROB

24SA0574IRQ11124PDB00

25SA0675SD10125PDB01

26SA0776SD11126PDB02

27GND77SD12127PDB03

28SA0878IRQ12128PDB04

29SA0979GND129PDB05

30SA1080SD13130PDB06

31SA1181SD14131PDB07

32SA1282IRQ5132ACK

33SA1383SD15133BUSY

34SA1484LA22134PE

35SA1585LA23135SELCT

36GND86DRQ2136AUTFD

37SA1687LA21137ERROR

38SA1788LA19138PINT

39SA1889LA20139SLIN

40SA1990DACK6140GND

41SD0091GND141SD1

42SD0192REFMD142DTR1

43SD0293LA18143RTS1

44SD0394MASTER144DCD1

45GND95LA17145RD1

46SD0496SBHE146DSR1

47SD0597IOCHCK147CTS1

48SD0698MMCS16148RI1

49SD0799GND149GND

50SMEW100IOCS16150GND

T200, T3400, T3600 Port Replicator connector (72 pin)

Pin Signal I/O Pin Signal I/O
1

2

3

4

5

6

7

8

9

10

 AGREEN

ABLUE

ARED

AUTFD

PD5

PINT

PE

ERROR

IFDASL

DSKCHG

 O

O

O

I/O

I/O

I/O

I/O

I/O

O

I

 37

38

39

40

41

42

43

44

45

46

 VCC

CVSYNC

PD1

VCC

PD3

PD6

ACK

IFWDAT

IFSTEP

IFWPRO

 -

O

I/O

-

I/O

I/O

I/O

O

O

I
11

12

13

14

15

16

17

18

19

20

 IFRDAT

IFLD01

IFAMON

MOUSCK

EXKBCK

CTS1

DSR1

DCINP

DCINP

DCINP

 O

O

O

I/O

I/O

I

I

I

I

I

 47

48

49

50

51

52

53

54

55

56

 IFLOD (T200)

GND

GND

GND

RTS1

VCC

DCINP

DCINP

DCINP

GND

 -

-

-

-

O

-

I

I

I

-
21

22

23

24

25

26

27

28

29

30

 RXD1

DTR1

DCD1

GND

EXKBDT

IFWEN

IFRADY

IFINDX

SELECT

SLIN

 I

O

I

-

I/O

O

I

I

I/O

I/O

 57

58

59

60

61

62

63

64

65

66

 TXD1

RI1

MOUSDT

GND

PRCHEK

IFHMED

IFDIRC

IFSSEL

IFTRK

BUSY

 O

I

I/O

-

I/O

I

O

O

I

I/O
31

32

33

34

35

36

 GND

PD2

PD0

STROB

GND

VCC

 -

I/O

I/O

I/O

-

-

 67

68

69

70

71

72

 PD7

PD4

VCC

VCC

CHSYNC

VCC

 I/O

I/O

-

-

O

-

T2400, T2450 Port Replicator connector (120 pin)

Pin Signal I/O Pin Signal I/O
1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

71

73

75

77

79

81

83

85

87

89

91

93

95

97

99

101

103

105

107

109

111

113

115

117

119

 GND

SCSID0

SCSID4

SCSIDP

SCRST

SCREQ

AUTFD

GND

EXKBDT

SD00

SD04

JOYR

CVSYNC

AGREEN

GND

GND

SCSID1

SCSID5

SCATN

SCMSG

SCSIID

ERROR

GND

EXKBCK

SD01

SD05

JOYW

CHSYNC

ARED

GND

DCIN

NC

NC

DCD1

RD1

STROB

PDB02

ODB06

PE

NC

NC

NC

GND

LOUTRP

LINRM

DCIN

ADCIN

NC

RI1

SD1

NC

PDB03

PDB07

SELCT

NC

NC

NC

GND

LOUTLP

LINLM

 -

I/O

I/O

I/O

I/O

I/O

O

-

I/O

I/O

I/O

O

O

-

-

I/O

I/O

I/O

-

O

-

-

-

-

I

I

I/O

I/O

I/O

I/O

-

-

-

-

O

I

-

I

-

I

O

-

I/O

I/O

I/O

-

-

-

-

O

I

 2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

58

60

62

64

66

68

70

72

74

76

78

80

82

84

86

88

90

92

94

96

98

100

102

104

106

108

110

112

114

116

118

120

 GND

SCSID2

SCSID6

SCBSY

SCSEL

GND

PINT

MOUSDT

GND

SD02

SD06

GND

GND

ABLUE

GND

GND

SCSID3

SCSID7

SCACK

SCSICD

GND

SLIN

MOUSCK

GND

SD03

SD07

GND

GND

GND

GND

DCIN

SCVCC

DSR1

CTS1

GND

PDB00

PDB04

ACK

GBD

PRDT1

PRVCC

MSI

GND

LOUTRM

LINRP

DCIN

SCVCC

DTR1

RTS1

GND

PDB01

BDB05

BUSY

GND

PRDT2

PRVCC

MSO

GND

LOUTLM

LINLP

 -

I/O

I/O

I/O

I/O

-

O

I/O

-

I/O

I/O

-

-

O

-

-

I/O

I/O

I/O

-

-

-

-

-

-

-

-

I

I

I/O

I/O

I/O

-

I/O

I

-

O

I

-

-

O

O

-

I/O

I/O

I/O

-

I/O

-

I/O

-

O

-

O

I

CRT Connectors
VGA monitor DB-15

(See Computer Specifications section for models this port applies to)

PINInput/OutputSignal

1 ORed

2 OGreen

3 OBlue

4Reserved

5-8Ground

9Reserved

10Ground

11-12Reserved

13 OHorizontal Sync

14 OVertical Sync

15Reserved
SVGA monitor DB-15

(See Computer Specifications section for models this port applies to)

PINInput/OutputSignal

1 ORed

2 OGreen

3 OBlue

4Reserved

5-8Ground

9Reserved

10Ground

11-12Reserved

13 OHorizontal Sync

14 OVertical Sync

15Reserved
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, T4600, T4600C)

1 ---------- 33 & 34Add

2 ---------- 86 ---------- 34

3 ---------- 2614 -------- 2

4 ---------- 28Change

5 ---------- 301 ---------- 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

Floppy Ports and Connectors

T100 FDD connector (26 pin)

Pin Signal I/O Pin Signal I/O
1

2

3

4

5

 VCC

VCC

VCC

-IOSL

VCC

 -

I

O

 14

15

16

17

18

 -ISTEP

GND

-IWADT

GND

-IWEN

 O

O

O
6

7

8

9

10

 -DSKCHG

VCC

-IRDY

-IHMED

-IMON

 I

I
I

O

 19

20

21

22

23

 GND

-ITRQ

GND

-IWPR

GND

I

I
11

12

13

 -LOWD

-DIAC

ILOWD2

 O

O

O

 24

25

26

 -IRDAT

GND

-ISSEL

 I

O

T200 FDD connector (26 pin)

Pin Signal I/O Pin Signal I/O
1

2

3

4

5

6

7

8

9

10

11

12

13

 FVCC

IFINX

FVCC

FVCC

FVCC

DSKCHG

IFDASL

IFRADY

IFHMED

IFAMON

IFLOD1

IFDIRC

IFLOD2

 -

I

-

O

-

I

-

I

I

0

0

0

0

 14

15

16

17

18

19

20

21

22

23

24

25

26

 IFSTEP

GND

IFWDAT

GND

IFWEN

GND

IFTRKO

GND

IFWPRD

GND

IFRDAT

GND

IFSSEL

 O

-

O

-

O

-

I

-

I

-

I

-

O

T3400, T3600 3.5 FDD connector (26 pin)

Pin Signal I/O Pin Signal I/O
1

2

3

4

5

6

7

8

9

10

11

12

13

 VCC

IFINDX

VCC

IFDASL

VCC

DSKCHG

VCC

IFRADY

IFHMED

IFAMON

IFLOD1

IFDIRC

GND

 -

I

-

O

-

I

-

I

I

O

O

O

-

 14

15

16

17

18

19

20

21

22

23

24

25

26

 IFSTEP

GND

IFWDAT

GND

IFWEN

GND

IFTRK

GND

IFWPRO

GND

IFRDAT

GND

IFSSEL

 O

-

O

-

O

-

I

-

I

-

I

-

O

DB-25 external floppy drive port (All laptops except T1100, T4600, T4600C)

PIN Input/Output Signal

1 IDrive Ready

2 IIndex

3 ITrack 0

4 IWrite Protect

5 IRead Data

6 IDisk Change (All Toshiba computers except T1000, T1100 Plus, T1200)

7-9Not Connected

10 ODrive Select

11 OMotor On

12 OWrite Data

13 OWrite Gate

14 OLow Density (All Toshiba computers except T1000,T1100 Plus, T1200)15 OSide Select

16 ODirection

17 OStep

18-25Signal Ground

(T1000 MUST have pins 24 and 25 grounded)
Toshiba 5.25" 360KB external floppy drive DB-25 connector

PIN Input/Output Signal

1 OReady

2 ISide Select

3 ORead Data

4 OWrite Protect

5 OTrack 0

6 IWrite Gate

7 IWrite Data

8 IStep

9 IDirection

10 IDrive Select

11 IMotor On

12 OIndex

13-25Signal Ground

Parallel Ports
Standard Centronics compatible parallel port DB-25

All Toshiba portable and laptop models

PINInput/OutputSignal

1 OStrobe

2 OData 0

3 OData 1

4 OData 2

5 OData 3

6 OData 4

7 OData 5

8 OData 6

9 OData 7

10 IAcknowledge

11 IBusy

12 IPaper End

13 ISelect

14 OAuto Feed

15 IError (Fault)

16 Oinitialize Printer

17 OSelect Input

18-25Signal Ground

Serial Cables
9 Pin to 25 Pin RS-232-C straight through Toshiba cable

For modem, or converts to IBM PC/XT style port

Female DB-9 to Male DB-25

1 ---------- 8

2 ---------- 3

3 ---------- 2

4 ---------- 20

5 ---------- 7

6 ---------- 6

7 ---------- 4

8 ---------- 5

9 ---------- 22
9 pin to 9 pin null modem cable (DTE - DTE)

For transfers to another Toshiba or IBM AT

Female DB-9 to Female DB-9

2 ---------- 3

3 ---------- 2

5 ---------- 5

6 ---------- 4

4 ---------- 6

7 ---------- 8

8 ---------- 7
9 pin to 25 pin null modem cable (DTE - DTE)

For transfers to IBM PC/XT

Female DB-9 to Female DB-25

2 ---------- 2

3 ---------- 3

5 ---------- 7

7 ---------- 5

8 ---------- 4

4 ---------- 6

6 ---------- 20
25 pin to 25 pin null modem cable (DTE - DTE)

For transfers between IBM PC/XT computers

Female DB-25 to Female DB-25

2 ---------- 3

3 ---------- 2

7 ---------- 7

4 ---------- 5

5 ---------- 4

6 ---------- 20

20 -------- 6
Serial Ports
25 pin RS-232-C (IBM PC/XT serial port)

PINInput/OutputSignal

1Frame Ground

2 OTransmit Data

3 IReceive Data

4 ORequest to Send

5 IClear to Send

6 IData Set Ready

7Signal Ground

8 IData Carrier Detect

20 OData Terminal Ready

22 IRing Indicator
9 pin RS-232-C (Toshiba - IBM PC/AT serial port)

PIN Input/Output Signal

1 IData Carrier Detect

2 IReceive Data

3 OTransmit Data

4 OData Terminal Ready

5Signal Ground

6 IData Set Ready

7 ORequest To Send

8 IClear To Send

9 IRing Indicator

Other Ports

T2400, T2450, T6600 External SCSI-2 connector (50 pin)

Pin Signal I/O Pin Signal I/O
1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

 GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

N/C

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

 -

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

 2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

 SCSID0

SCSID1

SCSID2

SCSID3

SCSID4

SCSID5

SCSID6

SCSID7

SCSIDP

GND

GND

GND

VCC

GND

GND

SCATN

GND

SCBSY

SCACK

SCRST

SCMSG

SCSEL

SCSICD

SCREQ

SCSII0

 I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

-

-

-

-

-

-

I/O

-

I/O

I/O

O

I/O

I/O

I/O

I/O

I/O

PC Card Slot (PCMCIA) connector (68 pin)

(See Computer Specifications section for models this port applies to)

Pin Signal I/O Pin Signal I/O
1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

 GND

CDx04

CDx06

CE1

OE

CADx09

CADx13

WE

MCVCCx

CADx16

CADx12

CADx06

CADx04

CADx02

CADx00

CDx01

WPx

GND

CDx11

CDx13

CDx15

NC

IOW

CADx18

CADx20

MCVCCx

CADx22

CADx24

NC

WAIT

REGx

BVDx

CDx09

CDx2

 -

I/O

I/O

O

O

O

O

O

-

O

O

O

O

O

O

I/O

I

-

I/O

I/O

I/O

-

O

O

O

-

O

O

-

I

O

I

I/O

I

 2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

58

60

62

64

66

68

 CDx03

CDx05

CDx07

CADx10

CADx11

CADx08

CADx14

CBSYx

MCVPPx

CADx15

CADx07

CADx05

CADx03

CADx01

CDx00

CDx02

GND

CDx1

CDx12

CDx14

CE2x

IORx

CADx17

CADx19

CADx21

MCVPPx

CADx23

CADx25

CRSTx

NC

BVDx2

CDx08

CDx10

GND

 I/O

I/O

I/O

O

O

O

O

I

-

O

O

O

O

O

I/O

I/O

-

I

I/O

I/O

O

O

O

O

O

-

O

O

O

-

I

I/O

I/O

-

Note: On models with two PCMCIA slots A and B there are two identical sets of connectors, one for each card. For signals containing an x designation, example Cdx04, read the x as A or B.

PS/2 mouse connector (6-pin)

(See Computer Specifications section for models this port applies to)

PinInput/OutputSignal

1 I/OMOUSED;110

2N/C

3GND

4 I/OMUSED;100

5 I/OMUSECK;110

6N/C
IBM AT enhanced keyboard port

(Desk Station IV, 101-key keyboard adapter)

PIN Input/Output Signal

1 I/OKBCLK ( clock )

2 I/OKBDAT ( data )

3 ONot Connected

4Ground

5 OVCC
IBM PS/2 keyboard port

(See Computer Specifications section for models this port applies to)

PINInput/OutputSignal

1 I/OKBDAT (data)

2Not Connected

3Ground

4 OVCC

5 I/OKBCLK (clock)

6Not Connected