Signal name – IBASE MB945 User Manual

Page 21

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INSTALLATIONS


DDRIII1, DDRIII 3: Channel A DDR3 Socket
DDRIII1 and DDRIII 3 are the first-channel DDR3 sockets.

DDRIII2, DDRIII 4: Channel B DDR3 Socket
DDRIII2 and DDRIII 4 are the second-channel DDR3 sockets.

CN1: VGA CRT Connector
CN1 is a DB-15 VGA connector located beside the COM1 port. The
following table shows the pin-out assignments of this connector.



Signal Name

Pin #

Pin #

Signal Name

Red 1

2

Green

Blue 3

4 N.C.

GND 5

6 GND

GND 7

8 GND

VCC 9

10

GND

N.C. 11

12

DDCDATA

HSYNC 13 14 VSYNC

DDCCLK 15


CN2: Parallel Port Connector
CN2 is a DB-25 external connector situated on top of the VGA and serial
ports.


CN2 Parallel Port

Signal Name

Pin #

Pin #

Signal Name

Line printer strobe

1

14

AutoFeed

PD0, parallel data 0

2

15

Error

PD1, parallel data 1

3

16

Initialize

PD2, parallel data 2

4

17

Select

PD3, parallel data 3

5

18

Ground

PD4, parallel data 4

6

19

Ground

PD5, parallel data 5

7

20

Ground

PD6, parallel data 6

8

21

Ground

PD7, parallel data 7

9

22

Ground

ACK, acknowledge

10

23

Ground

Busy 11

24

Ground

Paper empty

12

25

Ground

Select 13

N/A

N/A

MB945 User’s Manual

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