HP dc7800 manual Processor Changing/Upgrading, Supported Processors, Clock, Form

Processor/Memory Subsystem

3.2.2 Processor Changing/Upgrading

All models use the LGA775 ZIF (Socket T) mounting socket. These systems require that the processor use an integrated heatsink/fan assembly. A replacement processor must use the same type heatsink/fan assembly as the original to ensure proper cooling. The heatsink and attachment clip are specially designed provide maximum heat transfer from the processor component.

CAUTION: Attachment of the heatsink to the processor is critical on these systems. Improper attachment of the heatsink will likely result in a thermal condition. Although the system is designed to detect thermal conditions and automatically shut down, such a condition could still result in damage to the processor component. Refer to the applicable Service Reference Guide for processor installation instructions.

These sysems are available with one of the following processors listed in Table 3-1.

Table 3-1

Supported Processors

			Clock	FSB		Form
Intel	Core		Speed	Speed	L2	Factor
Model	design	Features	in GHz	in MHz	Cache	support
Q6700	quad	VT, [1]	2.66	1066	8 MB	SFF, CMT
Q6600	quad	VT, [1]	2.40	1066	8 MB	SFF, CMT
E6850	dual	vPro, VT, TXT, [1]	3.00	1333	4 MB	all
E6750	dual	vPro, VT, TXT, [1]	2.66	1333	4 MB	all
E6550	dual	vPro, VT, TXT, [1]	2.33	1333	4 MB	all
E4500	dual	[1]	2.20	800	2 MB	all
E4400	dual	[1]	2.00	800	2 MB	all
E2180	dual	[1]	2.00	800	1 MB	all
E2160	dual	[1]	1.80	800	1 MB	all
440	single	[1]	2.00	800	512 KB	all

NOTE:

[1]Standard Intel feature set including EM64T, XD, and EIST support. Refer to www.Intel.com for detailed information.

CAUTION: The USDT form factor can support a processor with a maximum power consumption of 65 watts. The SFF and CMT form factors can support a processor with a maximum power consumption of 95 watts. Exceeding these limits can result in system damage and lost data.

Technical Reference Guide www.hp.com 3-3