Resume On Ring; Standby Current Requirements - Intel BOXD850MVSE Product Manual

Intel Desktop Boards D850MD and D850MV Product Guide
Table 4.

Standby Current Requirements

Instantly Available Current
Support
Estimate for integrated board
components
Estimate for add-on components
(Add to integrated board
components shown above)
®
* Refer to the Intel Desktop Board D850MV/D850MD Technical Product Specification for the exact standby current
requirements
** Dependent upon system configuration
✏
NOTE
PCI requirements are calculated by totaling the following:
•
One wake-enabled device @ 375 mA
•
Five non- wake-enabled devices @ 20 mA each
PS/2 Ports requirements per the IBM PS/2 Port Specification (Sept 1991):
•
Keyboard @ 275 mA
•
Mouse @ 70 mA
USB requirements are calculated by totaling the following:
•
One wake-enabled device @ 500 mA
•
USB hub @ 100 mA
•
Three USB non-wake-enabled devices @ 2.5 mA each
The USB ports are limited to a combined total of 700 mA.

Resume on Ring

The operation of Resume on Ring can be summarized as follows:
•
Resumes operation from either the APM sleep mode or the ACPI S1 state
•
Requires only one call to access the computer
•
Detects incoming calls similarly for external and internal modems
•
Requires modem interrupt be unmasked for correct operation
20
Description
Total for the D850MD or D850MV
boards
**
PS/2 ports
PCI 2.2 slots (wake-enabled)
PCI 2.2 slots (non-wake-enabled)
CNR** (wake enabled)
CNR** (non-wake enabled)
**
USB ports
Standby Current
Requirements (mA)
770*
345
375
100
875
40
700