6 processor – Premio Computer Apollo/Shadowhawk User Manual
Page 44

Product Description
21
1.6 Processor
CAUTION
Use only the processors listed below. Use of unsupported processors can damage the board, the
processor, and the power supply. See the Intel
®
Desktop Board D845HV/D845WN Specification
Update for the most up-to-date list of supported processors for these boards.
The D845HV and D845WN boards support a single Pentium 4 processor (in an mPGA478 socket)
with a system bus of 400 MHz. The D845HV and D845WN boards support the processors listed
in Table 5. All supported onboard memory can be cached, up to the cachability limit of the
processor. See the processor’s data sheet for cachability limits.
Table 5.
Supported Processors
Type
Designation
System Bus
L2 Cache Size
Pentium 4 processor
1.4, 1.5, 1.6, 1.7, 1.8,
1.9, and 2.0 GHz
400 MHz
256 KB
✏
NOTE
Use only ATX12V- or SFX12V-compliant power supplies with the D845HV and D845WN boards.
ATX12V and SFX12V power supplies have an additional power lead that provides required
supplemental power for the Intel Pentium
4 processor. Always connect the 20-pin and 4-pin leads
of ATX12V and SFX12V power supplies to the corresponding connectors on the D845HV and
D845WN boards, otherwise the board will not boot.
Do not use a standard ATX power supply. The board will not boot with a standard ATX power
supply.
For information about
Refer to
Processor support
Section 1.3, page 17
Processor usage
Section 1.3, page 17
Power supply connectors
Section 2.8.2.3, page 60