
Functional Description
CPB904
Table 4.6:
X2 ETX Connector Pinout
Pin#
Signal
Pin#
Signal
Pin#
Signal
Pin#
Signal
1 26
IRQ15
51
76
IOW#
2
GND
27 LA20
52
+5V
77 SA18
3 SD14
28 IRQ12
53 SA6
78 SA17
4
SD15 29
LA21
54
IRQ5 79
SA19
5 SD13
30 IRQ11
55 SA7
80 SMEMR#
6
MASTER#
31
LA22
56
IRQ6 81
IOCHRDY
7 SD12
32 IRQ10
57 SA8
82 AEN
8
DREQ7
33
LA23
58
IRQ7 83
9 SD11
34
IOCS16#
59
SA9
84
+5V
10 DACK7#
35
60 SYSCLK
85 SD0
11 SD10
36
GND
61 SA10
86 SMEMW#
12 DREQ6
37 SBHE#
62 REFRESH#
87 SD2
13 SD9
38 MEMCS16#
63 SA11
88 SD1
14 DACK6#
39 SA0
64 DREQ1
89 SD3
15 SD8
40 OSC
65 SA12
90 NOWS#
16 DREQ5
41 SA1
66 DACK1#
91 DREQ2
17 MEMW#
42 BALE
67
92 SD4
18 DACK5#
43 SA2
68
GND
93 SD5
19
44 TC
69 SA13
94 IRQ9
20
MEMR#
DREQ0
45 SA3
70 DREQ3
95 SD6
21 LA17
46 DACK2#
71 SA14
96 SD7
22 DACK0#
47 SA4
72 DACK3#
97 IOCHK#
23 LA18
48 IRQ3
73 SA15
98 RSTDRV
24 IRQ14
49 SA5
74 IOR#
99
25 LA19
50 IRQ4
75 SA16
100
GND
Table 4.7:
X3 ETX Connector Pinout
Pin#
Signal
Pin#
Signal
1
26 G4
51 LPT_FLOPPY# 76 PD2
/
WP#
2
GND
27 GND
52 SEL66_33#
77 COM2_TXD
3 RED
28 GND
53 +5V
78 PD1
/
TRK0#
4
BLUE
29
R4 / TX2#
54
GND
79
COM2_RI#
5
HSYNC
30
G1 / TCLK
55
STROBE# / –
80
PD0 / INDEX#
6
GREEN
31
R5 / TX2
56
AFD# / DENSEL
81
+5V
7
VSYNC
32
G0 / TCLK#
57
–
82
+5V
8
CRT_CLK
33
GND
58
PD7 / DSA#
83
COM1_RXD
9 –
34 GND
59 IRRX
84 ACK#
/
DSB#
10
CRT_DAT
35
R1 / TX0
60
ERR# / HDSEL#
85
COM1_RTS#
11 B4
36 R3
/
TX1
61 IRTX
86 BUSY/MOTORB#
12
DOTCLK / –
37
R0 / TX0#
62
PD6 / MOTORA#
87
COM1_DTR#
13
B5
38
R2 / TX1#
63
COM2_RXD
88
PE / WDATA#
14
LDEMOD / –
39
+5V
64
INIT# / DIR#
89
COM1_DCD#
15 GND
40 +5V
65 GND
90 SLCT#/WE#
16 GND
41 –
66 GND
91 COM1_DSR#
17 B1
42 –
67 COM2_RTS#
92 MS_CLK
18 B3
43 –
68 PD5
/
–
93 COM1_CTS#
19 B0
44 DISPEN#
/
–
69 COM2_DTR#
94 MS_DAT
20 B2
45 –
70 SELIN#
/
STEP# 95 COM1_TXD
21 GND
46 VDDEN
/
–
71 COM2_DCD#
96 KB_CLK
22 GND
47 COMP
72 PD4
/
DSKCHG# 97 COM1_RI#
23
G2 / TX3#
48
Y
73
COM2_DSR#
98
KB_DAT
24 G5
49 –
74 PD3
/
RDATA# 99
25
G3 / TX3
50
C
75
COM2_CTS#
100
GND
C P B 9 0 4 U s e r M a n u a l
4-11
© 2 0 0 8 F a s t w e l v . 0 0 1 E