In this section are described all used signals, their position on STX Interface and their group classification.
P2 / J2 Connector Pinout
The following table shows pins arangement of either P2 plug (used on STX Module) or J2 receptacle (used on STX Baseboard).
STX P1 / J1 Connector Pinout
| Pin |
Signal Name |
Group |
Pin |
Signal Name |
Group |
| 1 |
RESET# |
E-IDE |
2 |
GND |
PWR |
| 3 |
DD7 |
E-IDE |
4 |
IOCHCHK# |
ISA |
| 5 |
DD8 |
E-IDE |
6 |
SD7 |
ISA |
| 7 |
DD6 |
E-IDE |
8 |
RESETDRV |
ISA |
| 9 |
DD9 |
E-IDE |
10 |
SD6 |
ISA |
| 11 |
DD5 |
E-IDE |
12 |
VCC |
PWR |
| 13 |
DD10 |
E-IDE |
14 |
SD5 |
ISA |
| 15 |
DD4 |
E-IDE |
16 |
IRQ9 |
ISA |
| 17 |
DD11 |
E-IDE |
18 |
SD4 |
ISA |
| 19 |
DD3 |
E-IDE |
20 |
GND |
PWR |
| 21 |
DD12 |
E-IDE |
22 |
SD3 |
ISA |
| 23 |
DD2 |
E-IDE |
24 |
DRQ2 |
ISA |
| 25 |
DD13 |
E-IDE |
26 |
SD2 |
ISA |
| 27 |
DD1 |
E-IDE |
28 |
VCC |
PWR |
| 29 |
DD14 |
E-IDE |
30 |
SD1 |
ISA |
| 31 |
DD0 |
E-IDE |
32 |
ENDXFR# |
ISA |
| 33 |
DD15 |
E-IDE |
34 |
SD0 |
ISA |
| 35 |
INTRQ |
E-IDE |
36 |
— |
RSVD |
| 37 |
DMARQ |
E-IDE |
38 |
— |
RSVD |
| 39 |
DIOW# |
E-IDE |
40 |
— |
RSVD |
| 41 |
DIOR# |
E-IDE |
42 |
IOCHRDY |
ISA |
| 43 |
IORDY |
E-IDE |
44 |
GND |
PWR |
| 45 |
DMACK# |
E-IDE |
46 |
MEMCS16# |
ISA 16 |
| 47 |
DA1 |
E-IDE |
48 |
SBHE# |
ISA 16 |
| 49 |
DA0 |
E-IDE |
50 |
AEN |
ISA |
| 51 |
DA2 |
E-IDE |
52 |
SMEMW# |
ISA |
| 53 |
CS0# |
E-IDE |
54 |
IOCS16# |
ISA 16 |
| 55 |
CS1# |
E-IDE |
56 |
LA23 |
ISA 16 |
| 57 |
GND |
PWR |
58 |
SA19 |
ISA |
| 59 |
DENSEL |
FDD |
60 |
SMEMR# |
ISA |
| 61 |
INDEX# |
FDD |
62 |
IRQ10 |
ISA 16 |
| 63 |
MTR0# |
FDD |
64 |
LA22 |
ISA 16 |
| 65 |
DR1# |
FDD |
66 |
SA18 |
ISA |
| 67 |
DR0# |
FDD |
68 |
IOW# |
ISA |
| 69 |
MTR1# |
FDD |
70 |
IRQ11 |
ISA 16 |
| 71 |
DIR# |
FDD |
72 |
LA21 |
ISA 16 |
| 73 |
STEP# |
FDD |
74 |
SA17 |
ISA |
| 75 |
WDATA# |
FDD |
76 |
IOR# |
ISA |
| 77 |
WGATE# |
FDD |
78 |
IRQ12 |
ISA 16 |
| 79 |
TRK0# |
FDD |
80 |
LA20 |
ISA 16 |
| 81 |
WP# |
FDD |
82 |
SA16 |
ISA |
| 83 |
RDATA# |
FDD |
84 |
DACK3# |
ISA |
| 85 |
HDSEL# |
FDD |
86 |
IRQ15 |
ISA 16 |
| 87 |
DSKCHG# |
FDD |
88 |
LA19 |
ISA 16 |
| 89 |
GND |
PWR |
90 |
SA15 |
ISA |
| 91 |
STB# |
PPI |
92 |
DRQ3 |
ISA |
| 93 |
AFD# |
PPI |
94 |
IRQ14 |
ISA 16 |
| 95 |
PD0 |
PPI |
96 |
LA18 |
ISA 16 |
| 97 |
ERR# |
PPI |
98 |
SA14 |
ISA |
| 99 |
PD1 |
PPI |
100 |
DACK1# |
ISA |
| 101 |
INIT# |
PPI |
102 |
LA17 |
ISA 16 |
| 103 |
PD2 |
PPI |
104 |
DACK0# |
ISA 16 |
| 105 |
SLIN# |
PPI |
106 |
DRQ1 |
ISA |
| 107 |
PD3 |
PPI |
108 |
SA13 |
ISA |
| 109 |
PD4 |
PPI |
110 |
MEMR# |
ISA 16 |
| 111 |
PD5 |
PPI |
112 |
DRQ0 |
ISA 16 |
| 113 |
PD6 |
PPI |
114 |
REFRESH# |
ISA |
| 115 |
PD7 |
PPI |
116 |
SA12 |
ISA |
| 117 |
ACK# |
PPI |
118 |
MEMW# |
ISA 16 |
| 119 |
BUSY |
PPI |
120 |
DACK5# |
ISA 16 |
| 121 |
PE |
PPI |
122 |
SYSCLK |
ISA |
| 123 |
SLCT |
PPI |
124 |
SA11 |
ISA |
| 125 |
GND |
PWR |
126 |
SD8 |
ISA 16 |
| 127 |
DCD1# |
SPI1 |
128 |
DRQ5 |
ISA 16 |
| 129 |
SIN1 |
SPI1 |
130 |
IRQ7 |
ISA |
| 131 |
SOUT1 |
SPI1 |
132 |
SA10 |
ISA |
| 133 |
DTR1# |
SPI1 |
134 |
SD9 |
ISA 16 |
| 135 |
DSR1# |
SPI1 |
136 |
DACK6# |
ISA 16 |
| 137 |
RTS1# |
SPI1 |
138 |
IRQ6 |
ISA |
| 139 |
CTS1# |
SPI1 |
140 |
SA9 |
ISA |
| 141 |
RI1# |
SPI1 |
142 |
SD10 |
ISA 16 |
| 143 |
DCD2# |
SPI2 |
144 |
DRQ6 |
ISA 16 |
| 145 |
SIN2 |
SPI2 |
146 |
IRQ5 |
ISA |
| 147 |
SOUT2 |
SPI2 |
148 |
SA8 |
ISA |
| 149 |
DTR2# |
SPI2 |
150 |
SD11 |
ISA 16 |
| 151 |
DSR2# |
SPI2 |
152 |
DACK7# |
ISA 16 |
| 153 |
RTS2# |
SPI2 |
154 |
IRQ4 |
ISA |
| 155 |
CTS2# |
SPI2 |
156 |
SA7 |
ISA |
| 157 |
RI2# |
SPI2 |
158 |
SD12 |
ISA 16 |
| 159 |
GND |
PWR |
160 |
DRQ7 |
ISA 16 |
| 161 |
USB1_N |
USB1 |
162 |
IRQ3 |
ISA |
| 163 |
USB1_P |
USB1 |
164 |
SA6 |
ISA |
| 165 |
GND |
PWR |
166 |
SD13 |
ISA 16 |
| 167 |
USB2_N |
USB2 |
168 |
VCC |
PWR |
| 169 |
USB2_P |
USB2 |
170 |
DACK2# |
ISA |
| 171 |
GND |
PWR |
172 |
SA5 |
ISA |
| 173 |
USB1_OC# |
USB1 |
174 |
SD14 |
ISA 16 |
| 175 |
USB2_OC# |
USB2 |
176 |
MASTER# |
ISA 16 |
| 177 |
DDC_SCL |
CRT |
178 |
TC |
ISA |
| 179 |
DDC_SDA |
CRT |
180 |
SA4 |
ISA |
| 181 |
GND |
PWR |
182 |
SD15 |
ISA 16 |
| 183 |
CRT_G |
CRT |
184 |
— |
RSVD |
| 185 |
CRT_GND |
CRT |
186 |
BALE |
ISA |
| 187 |
CRT_R |
CRT |
188 |
SA3 |
ISA |
| 189 |
CRT_GND |
CRT |
190 |
VCC |
PWR |
| 191 |
CRT_B |
CRT |
192 |
SA2 |
ISA |
| 193 |
GND |
PWR |
194 |
OSC |
ISA |
| 195 |
CRT_VS |
CRT |
196 |
SA1 |
ISA |
| 197 |
GND |
PWR |
198 |
SA0 |
ISA |
| 199 |
CRT_HS |
CRT |
200 |
GND |
PWR |
Click here to view the STX P1 / J1 Connector Pinout.
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