Kernel.org: 3.3.7, 
sid (unstable): 3.2.18-1
wheezy (testing): 3.2.17-1
kmuto bpo d-i: 
squeeze-bpo: 3.2.15-1~bpo60+1
squeeze (stable): 2.6.32-45
lenny (oldstable): 

Debian GNU/Linux device driver check & report

DELL: Poweredge 2500 - Motherboard by Intel

PCI IDWorks?VendorDeviceDriverKernel
11660008BroadcomCNB20HE Host Bridge
11660008BroadcomCNB20HE Host Bridge
11660006BroadcomCNB20HE Host Bridge
11660006BroadcomCNB20HE Host Bridge
80861229YesIntel Corporation82557/8/9/0/1 Ethernet Pro 100e100v2.6.25-
10024752YesATI Technologies IncRage XLatyfbv2.6.27-
11660200YesBroadcomOSB4 South Bridgei2c-piix4v2.6.25-
11660211YesBroadcomOSB4 IDE Controllerpata_serverworksv2.6.25-
11660220YesBroadcomOSB4/CSB5 OHCI USB Controllerusb-ohci,ohci-hcd
80860962Intel Corporation80960RM (i960RM) Bridge
900500cfYesAdaptecAIC-7899P U160/maic7xxxv2.6.25-
900500cfYesAdaptecAIC-7899P U160/maic7xxxv2.6.25-
10110026Digital Equipment CorporationDECchip 21154
10110026Digital Equipment CorporationDECchip 21154
10771216YesQLogic Corp.ISP12160 Dual Channel Ultra3 SCSI Processorqla1280v2.6.25-
101e1960YesAmerican Megatrends Inc.MegaRAIDmegaraid_mboxv2.6.25-

The Adaptec SCSI Driver works out of the box and is included in Debian Sarge