Intel B940 Datasheet Page 316

  • Download
  • Add to my manuals
  • Print
  • Page
    / 360
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 315
Processor Configuration Registers
316 Datasheet, Volume 2
14:12 RO 100b
L0s Exit Latency (L0SELAT)
This field indicates the length of time this Port requires to complete the
transition from L0s to L0.
000 =Less than 64 ns
001 =64 ns to less than 128 ns
010 =128 ns to less than 256 ns
011 =256 ns to less than 512 ns
100 =512 ns to less than 1 us
101 =1 us to less than 2 us
110 =2 us – 4 us
111 =More than 4 us
The actual value of this field depends on the common Clock Configuration bit
(LCTL[6]) and the Common and Non-Common clock L0s Exit Latency values
in PEGL0SLAT (Offset 22Ch)
11:10 RW-O 11b
Active State Link PM Support (ASLPMS)
This field indicates support for ASPM L0s and L1.
9:4 RW-O 08h
Max Link Width (MLW)
This field indicates the maximum number of lanes supported for this link.
3:0 RW-O 0010b
Max Link Speed (MLS)
This field indicates the supported Link speed(s) of the associated Port.
Defined encodings are:
0001b =2.5GT/s Link speed supported
0010b =5.0GT/s and 2.5GT/s Link speeds supported
All other encodings are reserved.
B/D/F/Type: 0/6/0/PCI
Address Offset: AC–AFh
Reset Value: 03214C82h
Access: RO, RW-O
Bit Attr
Reset
Value
Description
Page view 315
1 2 ... 311 312 313 314 315 316 317 318 319 320 321 ... 359 360

Comments to this Manuals

No comments