RTC
®
5 PC Interface Board
Rev. 1.9 e
16 Appendix B: The RTC
®
5-Express Board
594
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16.2.2 Interface to PC
The RTC
®
5-Express board’s PCIe-x1 connector is the
interface to the PC.
The RTC
®
5-Express board can be installed into any
IBM-compatible personal computer with a PCI-
Express bus interface and at least one free PCI-Express
slot.
Legend
Master . . . . . 6-pin MASTER connector (see
"Master/Slave Synchronization", page 40
JP1 . . . . . . . . Jumper for selecting the output signal level at the EXTENSION 1 connector
(see
JP2 - JP8 . . . . Jumpers for configuring the EXTENSION 2 connector signals (see
69
1
J2
1
Master
Digital I/O
Voltage
5V
3.3V
Pin17 Pin15
Data7
Data7
+5V
+5V
GND
GND
Latch
JP2 - JP8
JP1
Layout of the RTC
®
5-Express board (back side)
Caution!
• The RTC
®
5-Express board does not support
power-saving modes that switch off power to
the PCI-Express bus. Accordingly, you must
disable standby or sleep modes of the operating
system. Also see the note on
.