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J7: Primary IDE Connectors
Signal Name
Pin # Pin # Signal Name
Reset IDE 1 2 Ground
Host data 7 3 4 Host data 8
Host data 6 5 6 Host data 9
Host data 5 7 8 Host data 10
Host data 4 9 10 Host data 11
Host data 3 11 12 Host data 12
Host data 2 13 14 Host data 13
Host data 1 15 16 Host data 14
Host data 0 17 18 Host data 15
Ground 19 20 Key
DRQ0 21 22 Ground
Host IOW 23 24 Ground
Host IOR 25 26 Ground
IOCHRDY 27 28 Host ALE
DACK0 29 30 Ground
IRQ14 31 32 No connect
ASDRAMess 1 33 34 No connect
ASDRAMess 0 35 36 ASDRAMess 2
Chip select 0 37 38 Chip select 1
Activity 39 40 Ground
Vcc 41 42 Vcc
Ground 43 44 N.C.
CN13, CN147: COM1 and COM2 Serial Ports
Signal Name Pin # Pin # Signal Name
DCD 1 6 DSR
RXD 2 7 RTS
TXD 3 8 CTS
DTR 4 9 RI
GND 5 10 NC
FDD1: Floppy Drive Connector
FDD1is a slim 26-pin connector and will support up to 2.88MB FDD.
Signal Name Pin # Pin # Signal Name
VCC 1 2 INDEX
VCC 3 4 DRV_SEL
VCC 5 6 DSK_CH
NC 7 8 NC
NC 9 10 MOTOR
DINST 11 12 DIR
NC 13 14 STEP
GND 15 16 WDATA
GND 17 18 WGATE
GND 19 20 TRACK
NC 21 22 WPROT
GND 23 24 RDATA
GND 25 26 SIDE
4-19