Кабели и разъёмы

 

1. Кабели источника питания:

К материнской плате (2 шт. – 6 pin):

P8
Pin Signal
--------------------
1 - Power Good
2 - +5v (or N.C.)
3 - +12v 3 - -5v
4 - -12v 4 - +5v
5 - GND 5 - +5v
6 - GND 6 - +5v

P9
Pin Signal
--------------------
1 - GND
2 - GND
3 - -5v
4 - +5v
5 - +5v
6 - +5v

К дискам (4 шт. - 4 pin):

Pin Signal
--------------------
1 - +12v
2 - GND
3 - GND
4 - +5v

2. Разъемы на материнской плате:

Материнские платы могут иметь различные комбинации разъемов.

Backup Battery Connector (AT only)

Pin Signal
--------------------
1 - Batt+
2 - [KEY]
3 - GND
4 - GND


LED Power and Key Lock (AT only)

Pin Signal
--------------------
1 - LED power
2 - GND
3 - GND
4 - Key Switch
5 - GND


Speaker Connector

Pin Signal
--------------------
1 - -Speaker
2 - [KEY]
3 - GND
4 - +Speaker +5v


Turbo Indicator Connector

Pin Signal
--------------------
1 - +5v
2 - *HIGH SPEED
3 - +5v
Разъём клавиатуры (AT)

Pin Signal
--------------------
1 - KBD CLK OUT
2 - KBD SERIAL OUT
3 - KBD RESET IN
4 - KBD GND
5 - KBD +5v


3. Кабели для дисковода:

Питание:

Pin Signal
--------------------
1 - +12v
2 - GND
3 - GND
4 - +5v

Кабель к дисководу:

Pin Signal Pin Signal
--------------------
1 - GND
2 - N/C
3 - GND
4 - N/C
5 - GND
6 - N/C
7 - GND
8 - Index
9 - GND
10 - Motor Enable A
11 - GND
12 - Drive Select B
13 - GND
14 - Drive Select A
15 - GND
16 - Motor Enable B
17 - GND
18 - Stepper Direction
19 - GND
20 - Step Pulse
21 - GND
22 - Write Data
23 - GND
24 - Write Enable
25 - GND
26 - Track 0
27 - GND
28 - Write Protect
29 - GND
30 - Read Data
31 - GND
32 - Select Head 1
33 - GND
34 - (Spare)

4. Разъём подключения монитора:


Monochrome (MDA), Hercules, Color (CGA) Adaptors
Connector type - DB-9

Pin Signal
------------------------
1 GND
2 GND
3 N/C or RED
4 N/C or GREEN
5 N/C or BLUE
6 Intensity
7 Video *
8 Horizontal Drive
9 Vertical Drive

* NTSC Video on some clone boards


EGA Adaptor
Connector Type - DB-9

Pin Signal
-----------------------
1 GND
2 Secondary Red
3 Primary Red
4 Primary Green
5 Primary Blue
6 Secondary Green / Intensity
7 Secondary Blue / Mono Video
8 Horizontal Drive
9 Vertical Drive

VGA Adaptor
Connector Type - DB-15

Pin Signal
-----------------------
1 Red Video
2 Green Video
3 Blue Video
4 - Monitor ID - Bit 2
5 - GND
6 - Red GND
7 - Green GND
8 - Blue GND
9 [KEY]
10 Sync GND
11 Monitor ID - Bit 1
12 Monitor ID - Bit 0
13 Horizontal Sync
14 Vertical Sync
15 N/C (Reserved)

5. Параллельный порт принтера:

I/O Mapping
----------------------
LPT1: $378-37A
LPT2: $278-27A

DB-25 Connector (Computer End)

Pin Signal
----------------------
1 *STROBE
2 Data Bit 0
3 Data Bit 1
4 Data Bit 2
5 Data Bit 3
6 Data Bit 4
7 Data Bit 5
8 Data Bit 6
9 Data Bit 7
10 *Acknowledge
11 Busy
12 Paper Out
13 Select
14 *Auto Feed
15 *Error
16 *Initialize Printer
17 *Select Input
18 GND
19 GND
20 GND
21 GND
22 GND
23 GND
24 GND
25 GND

Centronics 36 pin Connector (Printer End)

Pin Signal
---------------------
1 *STROBE
2 Data Bit 0
3 Data Bit 1
4 Data Bit 2
5 Data Bit 3
6 Data Bit 4
7 Data Bit 5
8 Data Bit 6
9 Data Bit 7
10 *Acknowledge
11 Busy
12 Paper Out
13 Select
14 *Auto Feed XT
15 {OSCXT}
16 Signal GND
17 Frame GND
18 +5v
19 GND
20 GND
21 GND
22 GND
23 GND
24 GND
25 GND
26 GND
27 GND
28 GND
29 GND
30 GND
31 *Prime
32 *Error
33 Signal GND
34 N/C
35 N/C
36 N/C

6. Последовательные порты:

I/O Map
------------------
COM1: $3F8-3FF
COM2: $2F8-2FF
COM3: $3E8-3EF
COM4: $2E8-2EF


DB-9 Connector

Pin Signal
------------------
1 CD Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 DTR Data Term. Ready
5 GND Signal GND
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator


DB-25 Connector

Pin Signal
-------------------
1 GND Ground / Shield
2 TXD Transmit Data
3 RXD Received Data
4 RTS Request to Send
5 CTS Clear to Send
6 DSR Data Set Ready
7 GND Ground
8 DCD Carrier Detect
9 {Reserved}
10 {Reserved}
11 {Unassigned}
12 {2nd CD}
13 {2nd CTS}
14 {2nd TXD}
15 Transmit Clock
16 {2nd Rec. Clock}
17 {Receive Clock}
18 {Unassigned}
19 {2nd RTS}
20 DTR Data Term Ready
21 {Sig. Quality}
22 RI Ring Indicator
23 {Data Rate Sel.}
24 {Transmit Clock}
25 {Unassigned}

7. Audio/Game connector:

DB-15 Connector

Pin Signal
--------------------
1 +5v
2 Button 1-1
3 X1
4 GND
5 GND
6 Y1
7 Button 1-2
8 N/C
9 +5v
10 Button 2-1
11 X2
12 GND
13 Y2
14 Button 2-2
15 N/C

Buttons - Connect from GND to Button inputs
X and Y pots connect from +5v to X-Y inputs.

 
 

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