Laptop User Manual

Dual-Core Intel
®
Xeon
®
processor LV with Intel
®
E7520 Chipset and Intel
®
6300ESB ICH
April 2007 User’s Manual
Order Number: 311274-009 29
Dual-Core Intel Xeon processor LV / E7520 Chipset / 6300ESB ICH
3.3.6 Intel
®
82802AC Firmware Hub (FWH)
A socketed FLASH device is used to store system BIOS as well as an Intel
®
Random
Number Generator (RNG). A bootblock locking jumper is provided to allow a mechanical
means of protecting the bootblock BIOS firmware. All BIOS programming is controlled
via software.
FWH Features:
• 32-pin PLCC package
• Symmetrically-blocked flash memory array (64 Kbyte)
• Pin and register-based block locking
• Integrated hardware RNG
• Single-byte read/write
•Five GPIs
3.3.7 Boot ROM
The system boot ROM is installed on the Intel 82802AC FWH device. The FWH is
addressable on the LPC bus off the Intel
®
6300ESB ICH.
3.3.8 In-Target Probe (ITP)
The evaluation board contains an in-target probe (ITP) connector for an ITP-XDP
connector. You must use an ITPFlex specific to the Dual-Core Intel Xeon processor LV.
Other ITPs will not work and if installed, could damage the platform and/or the ITP.
Figure 15 shows the ITP connector which is located between the DIMM B4 connector
and the edge of the board. For more information refer to ITP700 Debug Port Design
Guide (http://www.intel.com/design/Xeon/guides/249679.htm).
Figure 14. DDR2-400 Memory—DIMM Ordering