Dell MP148 manual Expansion Buses Bus type PCI-X, PCIe, Riser, Residing on a x8 lane connector

Expansion Buses

Bus type	PCI-X, PCIe
Expansion slots - Two optional riser cards
Riser 1
PCIe	One full-height, half-length, x8 lane PCIe slot
PCIe	One full-height, half-length, x4 lane PCIe slot
	residing on a x8 lane connector
Riser 2
PCI-X	One full-height, half-length,
	64-bit, 133MHz PCI-X slot
PCIe	One full-height, half-length, x8 lane PCIe slot
Memory
Architecture	Up to four unbuffered DDR2 677/800 MHz
	SDRAM memory modules with ECC
Memory module sockets	Four 240-pin
Memory module capacities	512 MB, 1 GB, or 2 GB
Minimum RAM	512 MB (one 512-MB module)
Maximum RAM	8 GB
Drives
Hard Drives
SATA	Up to two 1-inch high drives
SAS	Up to two optional internal 1-inch high drives
	with optional SAS controller card
Optical drive	DVD, or combination CD-RW/DVD in a
	peripheral drive bay
	NOTE: DVD devices are data only.
USB flash drive	One optional drive that emulates a diskette drive
	or hard drive

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Getting Started Guide