Справочник Пользователя для Ampro Corporation XTX 820
Chapter 3
Hardware
32
Reference Manual
XTX 820
Table 3-14. Miscellaneous Interface Pin/Signal Descriptions (J2)
Pin #
Signal
Description
64
PCI_GNT#A
Reserved
66
PCI_REQ#A
Reserved
90
FAN_TACHOIN Fan Tachometer Input – This signal provides the speed (or tachometer)
input from the fan.
92
FAN_PWMOUT Fan Speed Control Out – This output signal uses the Pulse Width
Modulation (PWM) technique to control the fan's RPM.
48
WDTRIG
Watch Dog Trigger Input – This signal provides a watchdog (WDT)
trigger signal to the system.
trigger signal to the system.
49
SLP_S3*
S3 (Suspend to RAM) Sleep Control – Signal shuts off power to all non-
critical systems when in S3, S4, or S5 states
critical systems when in S3, S4, or S5 states
32
SUS_STAT*
Suspend Status – This signal indicates the system will be entering a low
power state soon.
power state soon.
14, 20
5V_SB
+5 Volt Standby – Additional suspend voltage. If power supply does not
provide standby voltage, connect this pin to VCC (+5V).
provide standby voltage, connect this pin to VCC (+5V).
19, 51, 52,
74, 80, 83,
84
74, 80, 83,
84
VCC
DC Power – +5VDC, ±5%
1, 2, 7, 8,
13, 26, 29,
35, 36, 42,
57, 67, 68,
73, 99, 100
13, 26, 29,
35, 36, 42,
57, 67, 68,
73, 99, 100
GND
Ground
34, 60, 62,
65, 70, 72,
76, 78,
65, 70, 72,
76, 78,
NC
Not connected (Reserved)
Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic.
Table 3-15. Complete J2 Interface Pin/Signal Descriptions (J2)
Pin #
Signal
Description
1, 2
GND
Ground
3
PCIE_CLK_REF+
PCI Express Reference Clock, Positive Differential Line
4
SATA0_RX+
Serial ATA Channel 0, Receive Input, Positive Differential Line
5
PCIE_CLK_REF-
PCI Express Reference Clock, Negative Differential Line
6
SATA0_RX-
Serial ATA Channel 0, Receive Input, Negative Differential Line
7, 8
GND
Ground
9
PCIE3_TX+
PCI Express Lane 3, Transmit Output, Positive Differential Line
10
SATA0_TX-
Serial ATA Channel 0, Transmit Output, Negative Differential Line
11
PCIE3_TX-
PCI Express Lane 3, Transmit Output, Negative Differential Line
12
SATA0_TX+
Serial ATA Channel 0, Transmit Output, Positive Differential Line
13
GND
Ground
14
5V_SB
+5 Volt Standby – Additional suspend voltage.
15
PCIE3_RX+
PCI Express Lane 3, Receive Input, Positive Differential Line
16
SATA1_RX+
Serial ATA Channel 1, Receive Input, Positive Differential Line