
Maps and Registers
ATCA-7540 Installation and Use (6806871A01A)
153
5.1.16 PCI Express Hot Plug I²C I/O Expander Registers
Each CPU supports four PCI Express Hot Plug ports.
5.1.16.1 CPU0 Hot Plug I²C I/O Expander Registers
The Hot Plug registers for CPU0 are mapped to 0x30 to 0x37
5.1.16.2 CPU1 Hot Plug I²C I/O Expander Registers
The Hot Plug registers for CPU1 are mapped to 0x38 to 0x3F.
5.1.16.3 Hot-Plug Virtual Pin Port Registers
Each port has a Hot Plug Interface, which can be accessed by the Hot-Plug Virtual Pin Port
Register, as shown in the following table.
Table 5-74. Hot-Plug Virtual Pin Port Register
Address Offset:
CPU0: Port 1: 0x30,Port 2: 0x31, Port 3: 0x32, Port 4: 0x33
CPU1: Port 1: 0x38,Port 2: 0x39, Port 3: 0x3A, Port 4: 0x3B
Bit
Signal Name Direction Description
Default
Access
0
ATNLED
Output
This indicator is connected to the
Attention LED on the baseboard. For
a precise definition refer to PCI
Express Base Specification, Revision
3.0.
Ext. r
1
PWRLED
Output
This indicator is connected to the
Power LED on the baseboard. For a
precise definition refer to PCI Express
Base Specification, Revision 3.0.
Ext.
r
2
PWREN#
Output
Output signal allowing software to
enable or disable power to a PCI
Express slot.
Ext.
r
3
BUTTON#
Input
Input signal per slot which indicates
that the user wishes to hot remove or
hot add a PCI Express card/module.
1
IPMC:
r/w
LPC: r
Содержание ATCA-7540
Страница 1: ...ATCA 7540 Installation and Use P N 6806871A01A December 2018 ...
Страница 12: ...12 ATCA 7540 Installation and Use 6806871A01A Contents ...
Страница 28: ...About this Manual 28 ATCA 7540 Installation and Use 6806871A01A ...
Страница 34: ...Safety Notes 34 ATCA 7540 Installation and Use 6806871A01A ...
Страница 66: ...Hardware Preparation and Installation 66 ATCA 7540 Installation and Use 6806871A01A ...
Страница 276: ...Supported IPMI Commands 276 ATCA 7540 Installation and Use 6806871A01A ...
Страница 322: ...Related Documentation 322 ATCA 7540 Installation and Use 6806871A01A ...
Страница 323: ......