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Atari ACSI DMA

19 PIN D-SUB ?? at the Computer.

Image:notdrawn.png

19 PIN D-SUB ?? at the Devices.

Pin Name Description
1 D0 Data 0
2 D1 Data 1
3 D2 Data 2
4 D3 Data 3
5 D4 Data 4
6 D5 Data 5
7 D6 Data 6
8 D7 Data 7
9 /CS Chip Select
10 IRQ Interrupt Request
11 GND Ground
12 /RST Reset
13 GND Ground
14 ACK Acknowledge
15 GND Ground
16 A1 Address 1
17 GND Ground
18 R/W Read/Write
19 REQ Data Request

Notes:

  • Pin 16: This signal tells the device’s DMA controller whether the device address is set on bus with all commands (A1=Low) or whether parameter bytes are handled (usually 5 parameter bytes;A1= high).

Adaptec RAIDport

60 PIN UNKNOWN CONNECTOR

Pin Description
B01 n/c
B02 n/c
B03 Ground
B04 n/c
B05 REQ[A]#
B06 RSVD
B07 REQ[B]#
B08 REQ[C]#
B09 LED[A]#
B10 n/c
B11 n/c
B12 RSVD
B13 CLK40
B14 Ground
B15 MRW
B16 MD[0]
B17 MD[2]
B18 MD[4]
B19 Ground
B20 MD[6]
B21 MA[14]
B22 MA[12]
B23 MA[10]
B24 MA[8]
B25 PRSNT1
B26 MA[6]
B27 MA[4]
B28 Ground
B29 MA[2]
B30 MA[0]
A01 n/c
A02 n/c
A03 n/c
A04 n/c
A05 ACK[A]#
A06 RSVD
A07 ACK[B]#
A08 ACK[C]#
A09 IDDAT
A10 n/c
A11 n/c
A12 SY_RST#
A13 ROMCS[A]#
A14 RAMCS#
A15 Ground
A16 MDP
A17 MD[1]
A18 RAMPS#
A19 MD[3]
A20 MD[5]
A21 MA[13]
A22 MD[7]
A23 MA[11]
A24 MA[9]
A25 MA[7]
A26 Ground
A27 MA[5]
A28 MA[3]
A29 SEECS[A]
A30 MA[1]

Sony CD-ROM

Image:idc34m.png

34 PIN IDC MALE at the controller & CD-ROM.

Image:idc34f.png

34 PIN IDC FEMALE at the cable.

Pin Name Description
1 RESET Reset
2 GND Ground
3 DB7 Data Bit 7
4 GND Ground
5 DB6 Data Bit 6
6 GND Ground
7 DB5 Data Bit 5
8 GND Ground
9 DB4 Data Bit 4
10 GND Ground
11 DB3 Data Bit 3
12 GND Ground
13 DB2 Data Bit 2
14 GND Ground
15 DB1 Data Bit 1
16 GND Ground
17 DB0 Data Bit 0
18 GND Ground
19 WE Write Enable
20 GND Ground
21 RE Read Enable
22 GND Ground
23 ACK Data Acknowledge For DMA
24 GND Ground
25 REQ Data Request For DMA
26 GND Ground
27 INT Interrupt
28 GND Ground
29 A1 Address Bit 1
30 GND Ground
31 A0 Address Bit 0
32 GND Ground
33 EN Bus Enable
34 GND Ground

ST506/412

Image:idc34m.png

34 PIN IDC MALE at the Controller.

Image:idc20m.png

20 PIN IDC MALE at the Controller.

Image:idc34f.png

34 PIN IDC FEMALE at the Harddisk.

Image:idc20f.png

20 PIN IDC FEMALE at the Harddisk.

Control connector

Pin Name Description
2 Head Sel 8
4 Head Sel 4
6 Write Gate
8 Seek Complete
10 Track 0
12 Write Fault
14 Head Sel 1
16 RES (reserved)
18 Head Sel 2
20 Index
22 Ready
24 Step
26 Drive Sel 1
28 Drive Sel 2
30 Drive Sel 3
32 Drive Sel 4
34 Direction In

Note: All odd pins are GND, Ground.

Data connector

Pin Name Description
1 Drive Selected
2 GND Ground
3 RES (reserved)
4 GND Ground
5 RES (reserved)
6 GND Ground
7 RES (reserved)
8 GND Ground
9 RES (reserved)
10 RES (reserved)
11 GND Ground
12 GND Ground
13 Write Data+
14 Write Data-
15 GND Ground
16 GND Ground
17 Read Data+
18 Read Data-
19 GND Ground
20 GND Ground

SCA-2

Pin Name Contacts Direction
1 -ENBL BYP CH1 (S) <--
2 12 VOLTS (S) -->
3 12 VOLTS (S) -->
4 12 VOLTS (S) -->
5 -PARALLEL ESI (S) <--
6 -DRIVE PRESENT (S) <--
7 READY LED OUT (S) <->
8 POWER_CONTROL (S) -->
9 START_1/MATED (S) -->
10 START_2/MATED (S) -->
11 -ENBL BYP CH2 (S) <--
12 SEL_6 / -DSK_WR (S) <->
13 SEL_5 / -DSK_RD (S) <->
14 SEL_4 / -ENCL_ACK (S) -->
15 SEL_3 / D(3) (S) <->
16 FAULT LED OUT (S) <->
17 DEV_CTRL_CODE_2 (S) -->
18 DEV_CTRL_CODE_1 (S) -->
19 5 VOLTS (S) -->
20 5 VOLTS (S) -->
21 12V CHARGE (L) -->
22 GROUND (12V) (L) -->
23 GROUND (12V) (L) -->
24 +PORT 1_IN (S) -->
25 -PORT 1_IN (S) -->
26 GROUND (12V) (L) -->
27 +PORT 2_IN (S) -->
28 -PORT 2_IN (S) -->
29 GROUND (12V) (L) -->
30 +PORT 1_OUT (S) <--
31 -PORT 1_OUT (S) <--
32 GROUND (5V) (L) -->
33 +PORT 2_OUT (S) <--
34 -PORT 2_OUT (S) <--
35 GROUND (5V) (L) -->
36 SEL_2 / D(2) (L) <->
37 SEL_1 / D(1) (L) <->
38 SEL_0 / D(0) (L) <->
39 DEV_CTRL_CODE_0 (L) -->
40 5V CHARGE (L) -->

Note: Direction is Backplane vs Device.

(S)=Short
(L)=Long

SAS (29)

S   S   P            P 
1   7   1            1
                     5
     ___
-----===--------------  (at the drive)
     S S
     1 8
     4

29 PIN SAS CONNECTOR at the drive

Pin Name Description
S1 GND GND for SAS Primary Port
S2 RP+ SAS Primary Port Receive (positive) signal
S3 RP- SAS Primary Port Receive (negative) signal
S4 GND GND for SAS Primary Port
S5 TP- SAS Primary Port Transmit(negative) signal
S6 TP+ SAS Primary Port Transmit(positive) signal
S7 GND GND for SAS Primary Port
S8 GND GND for SAS Secondary Port
S9 RS+ SAS Secondary Port Receive(Positive) signal
S10 RS- SAS Secondary Port Receive (negative) signal
S11 GND GND for SAS Secondary Port
S12 TS- SAS Secondary Port Receive (negative) signal
S13 TS+ SAS Secondary Port Receive (positive) signal
S14 GND GND for SAS Secondary Port
P1 +3.3V +3.3V power supply input
P2 +3.3V +3.3V power supply input
P3 +3.3V Pre-charge pin for +3.3V
P4 GND Ground
P5 GND Ground
P6 GND Ground
P7 +5V-Charge Pre-charge pin for +5V
P8 +5V +5V power supply input
P9 +5V +5V power supply input
P10 GND Ground
P11 READY LED READY LED output
P12 GND Ground
P13 +12V=Charge Pre-charge pin for +12V
P14 +12V +12V power supply input
P15 +12V +12V power supply input

Panasonic CD-ROM

Image:idc40m.png

40 PIN IDC MALE at the controller & CD-ROM.

Image:idc40f.png

40 PIN IDC FEMALE at the cable.

Pin Name Description
1 GND Ground
2 RESET CD-Reset
3 GND Ground
4 GND Ground
5 GND Ground
6 MODE0 Operation Mode Bit 0
7 GND Ground
8 MODE1 Operation Mode Bit 1
9 GND Ground
10 WRITE CD-Write
11 GND Ground
12 READ CD-Read
13 GND Ground
14 ST0 CD-Status Bit 0
15 GND Ground
16 n/c No Connection
17 GND Ground
18 n/c No Connection
19 GND Ground
20 ST1 CD-Status Bit 1
21 GND Ground
22 EN CD-Data Enable
23 GND Ground
24 ST2 CD-Status Bit 2
25 GND Ground
26 S/DE CD-Status/Data Enable
27 GND Ground
28 ST3 CD-Status Bit 3
29 GND ground
30 GND ground
31 D7 CD-Data 7
32 D6 CD-Data 6
33 GND ground
34 D5 CD-Data 5
35 D4 CD-Data 4
36 D3 CD-Data 3
37 GND ground
38 D2 CD-Data 2
39 D1 CD-Data 1
40 D0 CD-Data 0

Mitsumi CD-ROM

Image:idc40m.png

40 PIN IDC MALE at the controller & CD-ROM.

Image:idc40f.png

40 PIN IDC FEMALE at the cable.

Pin Name Description
1 A0 Address Bit 0
2 GND Ground
3 A1 Address Bit 1
4 GND Ground
5 n/c Not connected
6 GND Ground
7 n/c Not connected
8 GND Ground
9 n/c Not connected
10 GND Ground
11 n/c Not connected
12 GND Ground
13 INT Interrupt
14 GND Ground
15 REQ Data request For DMA
16 GND Ground
17 ACK Data Acknowledge For DMA
18 GND Ground
19 RE Read Enable
20 GND Ground
21 WE Write Enable
22 GND Ground
23 EN Bus Enable
24 GND Ground
25 DB0 Data Bit 0
26 GND Ground
27 DB1 Data Bit 1
28 GND Ground
29 DB2 Data Bit 2
30 GND Ground
31 DB3 Data Bit 3
32 GND Ground
33 DB4 Data Bit 4
34 GND Ground
35 DB5 Data Bit 5
36 GND Ground
37 DB6 Data Bit 6
38 GND Ground
39 DB7 Data Bit 7
40 GND Ground

JVC Original Interface

26 PIN UNKNOWN CONNECTOR

Pin Description
1 GND
2 -Read Data
3 GND
4 -Write data
5 GND
6 Reserved
7 -Drive Select/+Power Save
8 -Ship Ready
9 GND
10 +Read/-Write control
11 -Motor On
12 Head Select(+Head 0/ – Head1)
13 -Direction In
14 -Step
15 -Write Fault
16 -Seek Complete
17 -Servo Gate
18 -Index
19 -Track 000
20 -Drive Ready
21 GND
22 +5V
23 GND
24 +5V
25 GND
26 +12V

IEEE488 2

12 PIN UNKNOWN CONNECTOR at the Computer

 1  2  3  4  5  6
 =  =  =  =  =  =
###### ###########    (At the computer)
 =  =  =  =  =  =
 A  B  C  D  E  F

Pin Description
A or 1 GND
B or 2 +5v
C or 3 Motor (computer controlled +6v for datasette motor)
D or 4 Read line from casette
E or 5 Write line cassette
F or 6 Cassette Switch Sense (monitors cassette play/ff/rew buttons)