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- Monitor Pinouts:
-
- Monochrome - TTL (18.43 KHz - 720x350) 9-pin Sub-D connector:
- Pins:
- 1 GND
- 2-5 Unused
- 6 Intensity
- 7 Video
- 8 Horizontal Sync TTL Positive
- 9 Vertical Sync TTL Negative
-
-
- CGA - TTL (15.75 KHz - 320x200 or 640x200) 9-pin Sub-D connector:
- Pins:
- 1 Ground
- 2 Unused
- 3 RED Video
- 4 GREEN Video
- 5 BLUE Video
- 6 Intensity
- 7 Unused
- 8 Horizontal Sync TTL Positive
- 9 Vertical Sync TTL Positive
-
-
- IBM PCjr CGA (Berg style connector):
- Pins:
- A01 TV vertical drive (not for display)
- A02 Ground
- A03 TV horizontal drive (not for display)
- A04 Blue (CGA pin 5)
- A05 Red (CGA pin 3)
- A06 Intensity (CGA pin 6)
- A07 Green (CGA pin 4)
- A08 Comp sync drive (not for display)
- A09 Audio
- B01 + Vertical drive (CGA pin 9)
- B02 Ground
- B03 + Horizontal drive (CGA pin 8)
- B04 - B08 Ground
- B09 frame ground (CGA pin 1)
-
-
-
- EGA - TTL (15.74-21.85 KHz) 9-pin Sub-D connector:
- Pins:
- 1 GND
- 2 Secondary RED Video
- 3 Primary RED Video
- 4 Primary GREEN Video
- 5 Primary BLUE Video
- 6 Secondary Green Video/Intensity
- 7 Secondary Blue Video
- 8 Horizontal Sync TTL Positive
- 9 Vertical Sync TTL Negative
-
-
- IBM PGA (Professional Graphics Adapter):
- Pins:
- 1 Red
- 2 Green
- 3 Blue
- 4 Composite sync.
- 5 Mode control
- 6 Red ground
- 7 Green ground
- 8 Blue ground
- 9 Ground
-
-
- Original VGA (from 31.5 KHz up) 15-pin mini Sub-D (Three rows of 5 pins):
- Pins:
- 1 Red (Analog)
- 2 Green (Analog)
- 3 Blue (Analog)
- 4 Reserved
- 5 Ground
- 6 Red Return
- 7 Green Return
- 8 Blue Return
- 9 No Connect
- 10 Ground
- 11 ID0. GND for Color monitors, NC for Mono monitors
- 12 ID1. NC for Color monitors, GND for Mono monitors. Some systems only
- uses ID0 for monitr ID.
- 13 Horzontal Sync
- 14 Vertical Sync
- 15 No Connect
-
-
- VESA Display Data Channel (DDC) Standard. 15-pin mini Sub-D:
- Pins:
- 1 Red (Analog)
- 2 Green (Analog)
- 3 Blue (Analog)
- 4 Reserved
- 5 Return
- 6 Red Return
- 7 Green Return
- 8 Blue Return
- 9 +5 VDC (from host). Should only be used for DDC2 devices
- 10 Sync return
- 11 Monitor ID0 (optional)
- 12 Data (SDA)
- 13 Horzontal Sync
- 14 Vertical Sync
- 15 Data clock (SCL). Should only be used for DDC2 devices
-
- There are 3 different protocols defined for DDC:
-
- DDC1 - A unidirectional (display to host only) serial comm system which
- provides basic display ID and feature support information (including
- supported timings, display size, colorimetry and gamma, etc.) to the
- host. This uses pin 12 on the 15-pin "VGA" connector as a data line.
-
- DDC2B - Adds clock (pin 15) and return (pin 11) to enable at least ID
- information to be obtained via an I2C interface. I2C is a
- bidirectional interface, but display control via DDC2B is not
- defined at this time.
-
- DDC2AB - Full ID and control of the monitor via ACCESS.bus. As ACCESS.bus
- is basically a command and protocol definition on top of the I2C
- hardware interface, this uses the same lines as DDC2B.
-
-
-
- VESA Feature Connector (a 2x13 pin-header or edge connector):
- Pins:
- 1-8 Pixel data 0-7
- 9 Dot Clock
- 10 Blank
- 11 Horizontal Sync
- 12 Vertical Sync
- 13-16 Ground
- 17 External Video Select. When high pins 1-8 are outputs, when low
- they are inputs. This pin has an internal pull-up.
- 18 External Sync Select. When high pins 10-12 are outputs.
- This pin has an internal pull-up.
- 19 External Dot Clock Select. When high pin 9 is an output.
- This pin has an internal pull-up.
- 20 No Connection
- 21-24 Ground
- 25-26 No Connection
- Note: Pin numbers are 1-13 on the lower row (pin-header)/component side(edge)
- and pins 14-26 on the other row/side. Low pins towards the back end.
- Other sources may use A1-13,B1-13 or count across the pin-header.
-
-
-
- BUS connectors pin listings:
-
- ISA Bus.
- Pins:
- A1 -I/O CH CHK
- A2 SD07
- A3 SD06
- A4 SD05
- A5 SD04
- A6 SD03
- A7 SD02
- A8 SD01
- A9 SD00
- A10 -I/O CH RDY
- A11 AEN
- A12 SA19
- A13 SA18
- A14 SA17
- A15 SA16
- A16 SA15
- A17 SA14
- A18 SA13
- A19 SA12
- A20 SA11
- A21 SA10
- A22 SA09
- A23 SA08
- A24 SA07
- A25 SA06
- A26 SA05
- A27 SA04
- A28 SA03
- A29 SA02
- A30 SA01
- A31 SA00
- B1 GND
- B2 RESET
- B3 +5V
- B4 IRQ9
- B5 -5V
- B6 DRQ2
- B7 -12V
- B8 0WS
- B9 +12V
- B10 GND
- B11 -SMEMW
- B12 -SMEMR
- B13 -IOW
- B14 -IOR
- B15 -DACK3
- B16 -DRQ3
- B17 -DACK1
- B18 -DRQ1
- B19 -REFRESH
- B20 BCLK
- B21 IRQ7
- B22 IRQ6
- B23 IRQ5
- B24 IRQ4
- B25 IRQ3
- B26 -DACK2
- B27 T/C
- B28 BALE
- B29 +5V
- B30 OSC
- B31 GND
- C1 SBHE
- C2 LA23
- C3 LA22
- C4 LA21
- C5 LA20
- C6 LA19
- C7 LA18
- C8 LA17
- C9 -MEMR
- C10 -MEMW
- C11 SD08
- C12 SD09
- C13 SD10
- C14 SD11
- C15 SD12
- C16 SD13
- C17 SD14
- C18 SD15
- D1 -MEMCS16
- D2 -I/OCS16
- D3 IRQ10
- D4 IRQ11
- D5 IRQ12
- D6 IRQ15
- D7 IRQ14
- D8 -DACK0
- D9 -DRQ0
- D10 -DACK5
- D11 -DRQ5
- D12 -DACK6
- D13 -DRQ6
- D14 -DACK7
- D15 -DRQ7
- D16 +5V
- D17 -MASTER
- D18 GND
- Note: A & B are on the rearmost connector, C & D on the shorter front
- connector, A & C are o the component side, B & D on the back side.
- Lower numbers are towards the rear covers.
- Note: This is the 16bit ISA bus, the 8bit bus is essentially just A & B
-
-
-
- EISA Bus.
- Pins:
- A1 Not used
- A2 Data 7
- A3 Data 6
- A4 Data 5
- A5 Data 4
- A6 Data 3
- A7 Data 2
- A8 Data 1
- A9 Data 0
- A10-11 Not used
- A12 SA19
- A13 SA18
- A14 SA17
- A15 SA16
- A16 SA15
- A17 SA14
- A18 SA13
- A19 SA12
- A20 SA11
- A21 SA10
- A22 SA9
- A23 SA8
- A24 SA7
- A25 SA6
- A26 SA5
- A27 SA4
- A28 SA3
- A29 SA2
- A30 SA1
- A31 SA0
- B1 Ground
- B2 Reserved
- B3 +5V
- B4 Not used
- B5 -5V
- B6 Not used
- B7 -12V
- B8 Not used
- B9 +12V
- B10 Ground
- B11-19 Not used
- B20 BCLK
- B21-28 Not used
- B29 +5V
- B30 Not used
- B31 Ground
- C1 Not used
- C2 LA23
- C3 LA22
- C4 LA21
- C5 LA20
- C6 LA19
- C7 LA18
- C8 LA17
- C9 MRDC*
- C10 Not used
- C11 Data 8
- C12 Data 9
- C13 Data 10
- C14 Data 11
- C15 Data 12
- C16 Data 13
- C17 Data 14
- C18 Data 15
- D1 M16*
- D2-15 Not used
- D16 +5V
- D17 Not used
- D18 Ground
- E1 CMD*
- E2 START*
- E3 EXRDY
- E4 EX32*
- E5 Ground
- E7-9 Not used
- E10 W-R
- E11 Ground
- E12-14 Not used
- E15 Ground
- E17 BE1*
- E18 LA31*
- E19 Ground
- E20 LA30*
- E21 LA28*
- E22 LA27*
- E23 LA25*
- E24 Ground
- E26 LA15
- E27 LA13
- E28 LA12
- E29 LA11
- E30 Ground
- E31 LA9
- F1 Ground
- F2-3 +5V
- F4-5 Not used
- F7-8 Not used
- F9 +12V
- F10 M-IO
- F11-12 Not used
- F13 Ground
- F14 Not used
- F15 BE3*
- F17 BE2*
- F18 BE0*
- F19 Ground
- F20 +5V
- F21 LA29*
- F22 Ground
- F23 LA26*
- F24 LA24*
- F26 LA16
- F27 LA14
- F28-29 +5V
- F30 Ground
- F31 LA10
- G1 LA7
- G2 Ground
- G3 LA4
- G4 LA3
- G5 Ground
- G7 Data 17
- G8 Data 19
- G9 Data 20
- G10 Data 22
- G11 Ground
- G12 Data 25
- G13 Data 26
- G14 Data 28
- G16 Ground
- G17 Data 30
- G18 Data 31
- G19 Not used
- H1 LA8
- H2 LA6
- H3 LA5
- H4 +5V
- H5 LA2
- H7 Data 16
- H8 Data 18
- H9 Ground
- H10 Data 21
- H11 Data 23
- H12 Data 24
- H13 Ground
- H14 Data 27
- H16 Data 29
- H17-18 +5V
- H19 Not used
- Note: A, B, C & D are the upper contacts, E, F, G & H the lower ones.
- A, C, E & G are on the component side, B, D, F & H on the back side.
- A, B, E & F are on the first (long) connector, C, D, G & H on the
- second (short) connector.
- Pins E6,E16,E25,F6,F16,F25,G6,G15,H6 and H15 do not exist
-
-
-
- VESA Local Bus.
- Pins:
- A1 DAT1
- A2 DAT3
- A3 GND
- A4 DAT5
- A5 DAT7
- A6 DAT9
- A7 DAT11
- A8 DAT13
- A9 DAT15
- A10 GND
- A11 DAT17
- A12 VCC
- A13 DAT19
- A14 DAT21
- A15 DAT23
- A16 DAT25
- A17 GND
- A18 DAT27
- A19 DAT29
- A20 DAT31
- A21 ADR30
- A22 ADR28
- A23 ADR26
- A24 GND
- A25 ADR24
- A26 ADR22
- A27 VCC
- A28 ADR20
- A29 ADR18
- A30 ADR16
- A31 ADR14
- A32 ADR12
- A33 ADR10
- A34 ADR8
- A35 GND
- A36 ADR6
- A37 ADR4
- A38 WBACK#
- A39 BE0#
- A40 VCC
- A41 BE1#
- A42 BE2#
- A43 GND
- A44 BE3#
- A45 ADS#
- A48 LRDY#
- A49 LDEV#
- A50 LREQ#
- A51 GND
- A52 LGNT#
- A53 VCC
- A54 ID2
- A55 ID3
- A56 ID4
- A57 LKEN#
- A58 LEADS#
- B1 DAT0
- B2 DAT2
- B3 DAT4
- B4 DAT6
- B5 DAT8
- B6 GND
- B7 DAT10
- B8 DAT12
- B9 VCC
- B10 DAT14
- B11 DAT16
- B12 DAT18
- B13 DAT20
- B14 GND
- B15 DAT22
- B16 DAT24
- B17 DAT26
- B18 DAT28
- B19 DAT30
- B20 VCC
- B21 ADR31
- B22 GND
- B23 ADR29
- B24 ADR27
- B25 ADR25
- B26 ADR23
- B27 ADR21
- B28 ADR19
- B29 VCC
- B30 ADR17
- B31 ADR15
- B32 VCC
- B33 ADR13
- B34 ADR11
- B35 ADR9
- B36 ADR7
- B37 ADR5
- B38 VCC
- B39 ADR3
- B40 ADR2
- B41 N/C
- B42 RESET#
- B43 D/C#
- B44 M/IO#
- B45 W/R#
- B48 RDYRTN#
- B49 GND
- B50 IRQ9
- B51 BRDY#
- B52 BLAST#
- B53 ID0
- B54 ID1
- B55 GND
- B56 LCLK
- B57 VCC
- B58 BS16#
- Note: This is the VESA special 3rd connector (with the narrow traces), the two
- other connectors are essentially the ISA 16bit connectors. Lower numbers
- are towards the rear covers. A is the component side, B the backside.
- Pins A46,A47,B46 and B47 do not exist.
-
-
-
- PCI Bus.
- Pins:
- A1 TRST-
- A2 +12V
- A3 TMS
- A4 TD1
- A5 VCC
- A6 INTA-
- A7 INTC-
- A8 VCC
- A9 Reserved
- A10 VCC
- A11 Reserved
- A12-A13 Ground
- A14 Reserved
- A15 RST-
- A16 VCC
- A17 GNT-
- A18 GNC
- A19 Reserved
- A20 AD30
- A21 +3.3V
- A22 AD28
- A23 AD26
- A24 Ground
- A25 AD24
- A26 IDSEL
- A27 +3.3V
- A28 AD22
- A29 AD20
- A30 Ground
- A31 AD18
- A32 AD16
- A33 +3.3V
- A34 FRAME-
- A35 Ground
- A36 TRDY
- A37 Ground
- A38 STOP-
- A39 +3.3V
- A40 SDONE
- A41 SBO-
- A42 Ground
- A43 PAR
- A44 AD15
- A45 +3.3V
- A46 AD13
- A47 AD11
- A48 Ground
- A49 AD9
- A52 C/BE0-
- A53 +3.3V
- A54 AD6
- A55 AD4
- A56 Ground
- A57 AD2
- A58 AD0
- A59 VCC
- A60 REQ64-
- A61 VCC
- A62 VCC
- B1 -12V
- B2 TCK
- B3 Ground
- B4 TD0
- B5 VCC
- B6 VCC
- B7 INTB-
- B8 INTD-
- B9 PRSNT1-
- B10 Reserved
- B11 PRSNT2-
- B12 Ground
- B13 Ground
- B14 Reserved
- B15 Ground
- B16 CLK
- B17 Ground
- B18 REQ-
- B19 VCC
- B20 AD31
- B21 AD29
- B22 Ground
- B23 AD27
- B24 AD25
- B25 +3.3V
- B26 C/BE3-
- B27 AD23
- B28 Ground
- B29 AD21
- B30 AD19
- B31 +3.3V
- B32 AD17
- B33 C/BE2-
- B34 Ground
- B35 IRDY-
- B36 +3.3V
- B37 DEVSEL-
- B38 Ground
- B39 LOOK-
- B40 PERR-
- B41 +3.3V
- B42 SERR
- B43 +3.3V
- B44 C/BE1-
- B45 AD14
- B46 Ground
- B47 AD12
- B48 AD10
- B49 Ground
- B52 AD8
- B53 AD7
- B54 +3.3V
- B55 AD5
- B56 AD3
- B57 Ground
- B58 AD1
- B59 VCC
- B60 ACK64-
- B61 VCC
- B62 VCC
- Note: A50,51 & B50,51 don't exist
-
-
-