IBASE Technology MB945, Руководство пользователя, Страница: 21 / 77

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 17