21154BC Intel, 21154BC Datasheet - Page 32

• Manufacturer Part Number: 21154BC
• Manufacturer: Intel

Specifications of 21154BC

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Package Type: BGA
• Rad Hardened: No
• Lead Free Status / Rohs Status: Not Compliant

Documentation Changes
Figure 21.
16.
Primary Command Register
32Intel Confidential
Clock Mask and Load Shift Timing
Section 15.1.3, Primary Command Register, Table Description
Changed the description in Dword 0 for when it is a one. It now appears as follows:
Dword Bit
Shifted gpio<2>
0
gpio<0>
gpio<2>
msk_in
I/O space enable
Name
1
2
R/W
R/W
3
Controls the 21154’s response to I/O transactions on the primary
interface.
0 = The 21154 does not respond to I/O transactions initiated on
1 = The 21154 response to I/O transactions initiated on the
Reset value: 0.
4
the primary bus.
primary bus is in the enabled state.
21154 PCI-to-PCI Bridge Specification Update
5
6
Description
7
8
9
A8798-01