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74 PERC 3/QC Features
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Hardware Requirements
PERC 3/QC is a high-performance intelligent peripheral component
interconnect (PCI)-to-SCSI host adapter with RAID control capabilities.
PERC 3/QC has four SCSI channels that support 160M and Wide SCSI at
data transfer rates up to 160 MB/s. Each SCSI channel supports up to 15
Wide devices or up to seven narrow devices.
PERC 3/QC can be installed in a system with a motherboard that has 5 V,
32- or 64-bit PCI expansion slots. The system should have an Intel
®
Pentium
®
II or higher central processing unit (CPU), a diskette drive, a
color monitor, video graphics adapter (VGA) card, and a keyboard. A mouse
is recommended.
Configuration Features
Table 6-1 lists the PERC 3/QC configuration features.
Ta b l e 6 - 1 . C o n f i g u r a t i o n Fe a t u r e s
Specification Feature
RAID levels 0, 1, 5, 10, and 50
SCSI channels 4
Maximum number of drives per channel 15
Array interface to host PCI 2.2
Drive interface Wide 160M
Cache memory size 128 MB DIMM
Cache function Write-back, write-through, adaptive
read-ahead, non read-ahead, read-
ahead
Multiple logical drives/arrays per
controller
Up to 40 logical drives per controller
Maximum number of PERC 3/QC
controllers per system
Contact your Dell™ representative.
Online capacity expansion Yes
Dedicated and pool hot spare Yes
Flashable firmware Yes