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P5CR-L(S) specifications summary

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CPUCPU

CPU

ChipsetChipset

Chipset

Front Side BusFront Side Bus

Front Side Bus

MemoryMemory

Memory

Expansion slotsExpansion slots

Expansion slots

StorageStorage

Storage

LANLAN

LAN

USBUSB

USB

LGA775 socket for Intel

Pentium

4 processor with

Extended Memory 64-bit Technology (EM64T)

Supports Intel

Hyper-Threading Technology

Northbridge: Intel

E7221 Memory Controller Hub (MCH)

Southbridge: Intel

ICH6R

PCI/PCI-X bridge: Intel

6702 PXH

800/533 MHz

Dual-channel memory architecture

4 x 240-pin DIMM sockets support unbuffered ECC/

non-ECC 533/400 MHz DDR2 memory modules

Supports 256 MB up to 4 GB of system memory

1 x PCI-X

133 MHz*/64-bit slot (optional ZCR support,

PCI-X 1.0)

1 x PCI-X

133 MHz/64-bit slot (PCI-X 1.0)

1 x PCI Express™ x1 slot (PCI Express™ 1.0a)

2 x PCI 33 MHz/32-bit/5V (PCI 2.3)

1 x MINI PCI

socket for the ASUS Server Management

Board

Intel

ICH6R Southbridge supports:

- 2 x Ultra DMA 100/66/33 hard disk drives

- 4 x Serial ATA hard disks with RAID 0, RAID 1

configuration

*For P5CR-LS, Adaptec AIC-7901 PCI-X U320 SCSI

controller supports:

- 1 x SCSI U320 with RAID 0, RAID 1, and RAID 0+1

configuration

- Zero-Channel RAID (optional)

Dual Broadcom BCM5721 Gigabit LAN controller

(PCI Express 1.0a specifications compliant)

Intel

ICH6R Southbridge supports:

4 x USB 2.0 ports (2 on the rear panel, 2 on the front

panel)

* For P5CR-LS model only

IMPORTANT NOTES:IMPORTANT NOTES:

IMPORTANT NOTES:

•

For P5CR-L only: If one PCI-X slot is occupied, the frequency is

133 MHz. If two PCI-X slots are occupied, the frequency becomes

100 MHz.

•

For P5CR-LS only: If one PCI-X slot is occupied, the frequency is 100

MHz. If two PCI-X slots are occupied, the frequency becomes 66 MHz.