Intel BOXD845BGSE Product Specification - Page 22

Processor

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Intel Desktop Board D845BG/D845PT Technical Product Specification 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 D845BG/D845PT Specification Update for the most up-to-date list of supported processors for these boards. The D845BG and D845PT boards support a single Pentium 4 processor (in a µPGA478 socket) with a system bus of 400 MHz. The D845BG and D845PT 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 Pentium 4 processor 1.5, 1.6, 1.7, 1.8, 1.9, and 2.0 GHz System Bus 400 MHz L2 Cache Size 256 KB ✏ NOTE Use only ATX12V- or SFX12V-compliant power supplies with the D845BG and D845PT 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 D845BG and D845PT 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 Processor support Processor usage Power supply connectors Refer to Section 1.3, page 18 Section 1.3, page 18 Section 2.8.2.3, page 61 22

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Intel Desktop Board D845BG/D845PT Technical Product Specification
22
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 D845BG/D845PT Specification
Update
for the most up-to-date list of supported processors for these boards.
The D845BG and D845PT boards support a single Pentium
4
processor (in a
µ
PGA478 socket)
with a system bus of 400 MHz.
The D845BG and D845PT 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
1.5, 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 D845BG and D845PT 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 D845BG and
D845PT 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 18
Processor usage
Section 1.3, page 18
Power supply connectors
Section 2.8.2.3, page 61