BLKD815EPFVU Intel, BLKD815EPFVU Datasheet - Page 93

• Manufacturer Part Number: BLKD815EPFVU
• Manufacturer: Intel

Specifications of BLKD815EPFVU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

2.11.2 Add-in Board Considerations
2.11.3 Standby Current Requirements
The D815EFV and D815EPFV boards are designed to provide 2 A (average) of +5 V current for
each add-in board. The total +5 V current draw for add-in boards in a fully-loaded D815EFV or
D815EPFV board (all four expansion slots filled) must not exceed 8 A.
CAUTION
Power supplies used with the board must provide enough standby current to support the Instantly
Available (ACPI S3 sleep state) configuration. If the standby current necessary to support
multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the board
may lose register settings stored in memory and may not awaken properly.
To estimate the standby current required for a specific system configuration, the standby current
requirements of all installed components must be combined. Refer to Table 55 and follow these
steps:
1. List the board’s +5 V standby current requirement (767 mA).
2. List the PS/2 ports’ standby current requirement (see note below).
3. List, from the AGP and PCI 2.2 slots (wake-enabled devices) row, the total number of wake-
4. List, from the AGP and PCI 2.2 slots (non-wake-enabled devices) row, the total number of
5. List all additional wake-enabled devices’ and non-wake-enabled devices’ standby current
6. Add all the listed standby current totals from steps 1 through 5 to determine the total estimated
Table 55.
Notes:
1.
2.
Description
Total for the board
Onboard LAN (optional)
Wake on LAN technology connector (optional)
connected to wake-enabled PCI LAN card
PS/2 ports
AGP and PCI 2.2 slots (wake-enabled devices)
AGP and PCI 2.2 slots (non-wake-enabled devices)
(Note 2)
USB ports
CNR (optional)
enabled devices installed and multiply by the standby current requirement.
wake-enabled devices installed and multiply by the standby current requirement.
requirements as applicable.
standby current power supply requirement.
These values were measured in a power static state.
Dependent upon system configuration. See the note on the following page.
(Note 2)
(Note 2)
Standby Current Requirements
(Note 2)
(Note 2)
Standby Current Requirements (mA)
767
95
525
345
470
115
507.5
375
Technical Reference
(Note 1)
93