2018-04-25:
  * Implements IBRS/IBPB/STIPB support, Spectre-v2 mitigation
  * Updated Microcodes:
    sig 0x000406f1, pf_mask 0xef, 2018-03-21, rev 0xb00002c, size 27648
    sig 0x000706a1, pf_mask 0x01, 2017-12-26, rev 0x0022, size 73728

2018-03-12:
  * Implements IBRS/IBPB/STIPB support, Spectre-v2 mitigation
  * New Microcodes:
    sig 0x00050653, pf_mask 0x97, 2018-01-29, rev 0x1000140, size 30720
    sig 0x00050665, pf_mask 0x10, 2018-01-22, rev 0xe000009, size 18432

  * Updated Microcodes:
    sig 0x000206a7, pf_mask 0x12, 2018-02-07, rev 0x002d, size 12288
    sig 0x000206d6, pf_mask 0x6d, 2018-01-30, rev 0x061c, size 18432
    sig 0x000206d7, pf_mask 0x6d, 2018-01-26, rev 0x0713, size 19456
    sig 0x000306a9, pf_mask 0x12, 2018-02-07, rev 0x001f, size 13312
    sig 0x000306c3, pf_mask 0x32, 2018-01-21, rev 0x0024, size 23552
    sig 0x000306d4, pf_mask 0xc0, 2018-01-18, rev 0x002a, size 18432
    sig 0x000306e4, pf_mask 0xed, 2018-01-25, rev 0x042c, size 15360
    sig 0x000306e7, pf_mask 0xed, 2018-02-16, rev 0x0713, size 16384
    sig 0x000306f2, pf_mask 0x6f, 2018-01-19, rev 0x003c, size 33792
    sig 0x000306f4, pf_mask 0x80, 2018-01-22, rev 0x0011, size 17408
    sig 0x00040651, pf_mask 0x72, 2018-01-18, rev 0x0023, size 21504
    sig 0x00040661, pf_mask 0x32, 2018-01-21, rev 0x0019, size 25600
    sig 0x00040671, pf_mask 0x22, 2018-01-21, rev 0x001d, size 12288
    sig 0x000406e3, pf_mask 0xc0, 2017-11-16, rev 0x00c2, size 99328
    sig 0x00050654, pf_mask 0xb7, 2018-01-26, rev 0x2000043, size 28672
    sig 0x00050662, pf_mask 0x10, 2018-01-22, rev 0x0015, size 31744
    sig 0x00050663, pf_mask 0x10, 2018-01-22, rev 0x7000012, size 22528
    sig 0x00050664, pf_mask 0x10, 2018-01-22, rev 0xf000011, size 22528
    sig 0x000506e3, pf_mask 0x36, 2017-11-16, rev 0x00c2, size 99328
    sig 0x000806e9, pf_mask 0xc0, 2018-01-21, rev 0x0084, size 98304
    sig 0x000806ea, pf_mask 0xc0, 2018-01-21, rev 0x0084, size 97280
    sig 0x000906e9, pf_mask 0x2a, 2018-01-21, rev 0x0084, size 98304
    sig 0x000906ea, pf_mask 0x22, 2018-01-21, rev 0x0084, size 96256
    sig 0x000906eb, pf_mask 0x02, 2018-01-21, rev 0x0084, size 98304

2018-01-08:
  * This release has been officially recalled by Intel
  * Updated Microcodes:
    sig 0x000306c3, pf_mask 0x32, 2017-11-20, rev 0x0023, size 23552
    sig 0x000306d4, pf_mask 0xc0, 2017-11-17, rev 0x0028, size 18432
    sig 0x000306e4, pf_mask 0xed, 2017-12-01, rev 0x042a, size 15360
    sig 0x000306f2, pf_mask 0x6f, 2017-11-17, rev 0x003b, size 33792
    sig 0x000306f4, pf_mask 0x80, 2017-11-17, rev 0x0010, size 17408
    sig 0x00040651, pf_mask 0x72, 2017-11-20, rev 0x0021, size 22528
    sig 0x00040661, pf_mask 0x32, 2017-11-20, rev 0x0018, size 25600
    sig 0x00040671, pf_mask 0x22, 2017-11-17, rev 0x001b, size 13312
    sig 0x000406e3, pf_mask 0xc0, 2017-11-16, rev 0x00c2, size 99328
    sig 0x00050654, pf_mask 0xb7, 2017-12-08, rev 0x200003c, size 27648
    sig 0x00050662, pf_mask 0x10, 2017-12-16, rev 0x0014, size 31744
    sig 0x00050663, pf_mask 0x10, 2017-12-16, rev 0x7000011, size 22528
    sig 0x000506e3, pf_mask 0x36, 2017-11-16, rev 0x00c2, size 99328
    sig 0x000706a1, pf_mask 0x01, 2017-12-26, rev 0x0022, size 73728
    sig 0x000806e9, pf_mask 0xc0, 2018-01-04, rev 0x0080, size 98304
    sig 0x000806ea, pf_mask 0xc0, 2018-01-04, rev 0x0080, size 98304
    sig 0x000906e9, pf_mask 0x2a, 2018-01-04, rev 0x0080, size 98304
    sig 0x000906ea, pf_mask 0x22, 2018-01-04, rev 0x0080, size 97280
    sig 0x000906eb, pf_mask 0x02, 2018-01-04, rev 0x0080, size 98304

2017-11-17:
  * New Microcodes:
    sig 0x000506c9, pf_mask 0x03, 2017-03-25, rev 0x002c, size 16384
    sig 0x000706a1, pf_mask 0x01, 2017-10-31, rev 0x001e, size 72704
    sig 0x000906ea, pf_mask 0x22, 2017-08-23, rev 0x0070, size 95232
    sig 0x000906eb, pf_mask 0x02, 2017-09-20, rev 0x0072, size 97280

  * Updated Microcodes:
    sig 0x00050654, pf_mask 0xb7, 2017-10-17, rev 0x2000035, size 26624
    sig 0x000806ea, pf_mask 0xc0, 2017-08-03, rev 0x0070, size 96256

2017-07-07:
  * New Microcodes:
    sig 0x00050654, pf_mask 0x97, 2017-06-01, rev 0x2000022, size 25600
    sig 0x000806e9, pf_mask 0xc0, 2017-04-27, rev 0x0062, size 97280
    sig 0x000806ea, pf_mask 0xc0, 2017-05-23, rev 0x0066, size 95232
    sig 0x000906e9, pf_mask 0x2a, 2017-04-06, rev 0x005e, size 97280

2017-05-11:
  * Updated Microcodes:
    sig 0x000306c3, pf_mask 0x32, 2017-01-27, rev 0x0022, size 22528
    sig 0x000306d4, pf_mask 0xc0, 2017-01-27, rev 0x0025, size 17408
    sig 0x000306f2, pf_mask 0x6f, 2017-01-30, rev 0x003a, size 32768
    sig 0x000306f4, pf_mask 0x80, 2017-01-30, rev 0x000f, size 16384
    sig 0x00040651, pf_mask 0x72, 2017-01-27, rev 0x0020, size 20480
    sig 0x00040661, pf_mask 0x32, 2017-01-27, rev 0x0017, size 24576
    sig 0x00040671, pf_mask 0x22, 2017-01-27, rev 0x0017, size 11264
    sig 0x000406e3, pf_mask 0xc0, 2017-04-09, rev 0x00ba, size 98304
    sig 0x000406f1, pf_mask 0xef, 2017-03-01, rev 0xb000021, size 26624
    sig 0x000506e3, pf_mask 0x36, 2017-04-09, rev 0x00ba, size 98304

2016-11-04:
  * New Microcodes:
    sig 0x00050663, pf_mask 0x10, 2016-10-12, rev 0x700000d, size 20480
    sig 0x00050664, pf_mask 0x10, 2016-06-02, rev 0xf00000a, size 21504

  * Updated Microcodes:
    sig 0x000306f2, pf_mask 0x6f, 2016-10-07, rev 0x0039, size 32768
    sig 0x000406f1, pf_mask 0xef, 2016-10-07, rev 0xb00001f, size 25600

  * Removed Microcodes:
    sig 0x000106e4, pf_mask 0x09, 2013-07-01, rev 0x0003, size 6144

2016-07-14:
  * Updated Microcodes:
    sig 0x000306f4, pf_mask 0x80, 2016-06-07, rev 0x000d, size 15360
    sig 0x000406e3, pf_mask 0xc0, 2016-06-22, rev 0x009e, size 97280
    sig 0x000406f1, pf_mask 0xef, 2016-06-06, rev 0xb00001d, size 25600
    sig 0x000506e3, pf_mask 0x36, 2016-06-22, rev 0x009e, size 97280

2016-06-07:
  * New Microcodes:
    sig 0x000406e3, pf_mask 0xc0, 2016-04-06, rev 0x008a, size 96256
    sig 0x000406f1, pf_mask 0xef, 2016-05-20, rev 0xb00001c, size 25600
    sig 0x00050662, pf_mask 0x10, 2015-12-12, rev 0x000f, size 28672
    sig 0x000506e3, pf_mask 0x36, 2016-04-06, rev 0x008a, size 96256

  * Updated Microcodes:
    sig 0x000306c3, pf_mask 0x32, 2016-03-16, rev 0x0020, size 22528
    sig 0x000306d4, pf_mask 0xc0, 2016-04-29, rev 0x0024, size 17408
    sig 0x000306f2, pf_mask 0x6f, 2016-03-28, rev 0x0038, size 32768
    sig 0x000306f4, pf_mask 0x80, 2016-02-11, rev 0x000a, size 15360
    sig 0x00040651, pf_mask 0x72, 2016-04-01, rev 0x001f, size 20480
    sig 0x00040661, pf_mask 0x32, 2016-04-01, rev 0x0016, size 24576
    sig 0x00040671, pf_mask 0x22, 2016-04-29, rev 0x0016, size 11264

2015-11-06:
  * New Microcodes:
    sig 0x000306f4, pf_mask 0x80, 2015-07-17, rev 0x0009, size 14336
    sig 0x00040671, pf_mask 0x22, 2015-08-03, rev 0x0013, size 11264

  * Updated Microcodes:
    sig 0x000306a9, pf_mask 0x12, 2015-02-26, rev 0x001c, size 12288
    sig 0x000306c3, pf_mask 0x32, 2015-08-13, rev 0x001e, size 21504
    sig 0x000306d4, pf_mask 0xc0, 2015-09-11, rev 0x0022, size 16384
    sig 0x000306f2, pf_mask 0x6f, 2015-08-10, rev 0x0036, size 30720
    sig 0x00040651, pf_mask 0x72, 2015-08-13, rev 0x001d, size 20480

2015-01-21:
  * Downgraded microcodes (to a previously shipped revision):
    sig 0x000306f2, pf_mask 0x6f, 2014-09-03, rev 0x0029, size 28672

2015-01-07:
  * New Microcodes:
    sig 0x000306d4, pf_mask 0xc0, 2014-12-05, rev 0x0018, size 14336

  * Updated Microcodes (this update is known to cause issues):
    sig 0x000306f2, pf_mask 0x6f, 2014-11-21, rev 0x002d, size 28672

2014-09-13:
  * New Microcodes:
    sig 0x000306f2, pf_mask 0x6f, 2014-09-03, rev 0x0029, size 28672

  * Updated Microcodes:
    sig 0x000306c3, pf_mask 0x32, 2014-07-03, rev 0x001c, size 21504
    sig 0x00040651, pf_mask 0x72, 2014-07-03, rev 0x001c, size 20480
    sig 0x00040661, pf_mask 0x32, 2014-07-03, rev 0x0012, size 23552

2014-06-24:
  * Updated Microcodes:
    sig 0x000306a9, pf_mask 0x12, 2014-05-29, rev 0x001b, size 12288
    sig 0x000306c3, pf_mask 0x32, 2014-05-23, rev 0x001a, size 20480
    sig 0x000306e4, pf_mask 0xed, 2014-05-29, rev 0x0428, size 13312
    sig 0x000306e7, pf_mask 0xed, 2014-05-29, rev 0x070d, size 15360
    sig 0x00040651, pf_mask 0x72, 2014-05-23, rev 0x0018, size 19456
    sig 0x00040661, pf_mask 0x32, 2014-05-23, rev 0x0010, size 23552

2014-04-30:
  * New microcodes:
    sig 0x000306e7, pf_mask 0xed, 2014-04-14, rev 0x070c, size 15360

  * Updated microcodes:
    sig 0x000306e4, pf_mask 0xed, 2014-04-10, rev 0x0427, size 12288

2014-01-22:
  * New Microcodes:
    sig 0x00040661, pf_mask 0x32, 2013-08-21, rev 0x000f, size 23552

  * Updated Microcodes:
    sig 0x000106e5, pf_mask 0x13, 2013-08-20, rev 0x0007, size 7168
    sig 0x000306c3, pf_mask 0x32, 2013-08-16, rev 0x0017, size 20480
    sig 0x000306e4, pf_mask 0xed, 2013-07-09, rev 0x0416, size 11264
    sig 0x00040651, pf_mask 0x72, 2013-09-14, rev 0x0017, size 19456

2013-09-06:
  * Updated Microcodes:
    sig 0x000306c3, pf_mask 0x32, 2013-08-07, rev 0x0016, size 20480
    sig 0x00040651, pf_mask 0x72, 2013-08-08, rev 0x0016, size 19456

  * Updated Microcodes (recently removed):
    sig 0x000106e4, pf_mask 0x09, 2013-07-01, rev 0x0003, size 6144

2013-08-08:
  * New Microcodes:
    sig 0x000306c3, pf_mask 0x32, 2013-07-02, rev 0x0012, size 19456
    sig 0x000306e4, pf_mask 0xed, 2013-06-13, rev 0x0415, size 11264
    sig 0x000306e6, pf_mask 0xed, 2013-06-19, rev 0x0600, size 11264
    sig 0x00040651, pf_mask 0x72, 2013-07-02, rev 0x0015, size 18432

  * Updated Microcodes (removed in the past):
    sig 0x000106a5, pf_mask 0x03, 2013-06-21, rev 0x0019, size 10240

  * Updated Microcodes:
    sig 0x000106a4, pf_mask 0x03, 2013-06-21, rev 0x0012, size 14336
    sig 0x000106e5, pf_mask 0x13, 2013-07-01, rev 0x0006, size 7168
    sig 0x00020652, pf_mask 0x12, 2013-06-26, rev 0x000e, size 8192
    sig 0x00020655, pf_mask 0x92, 2013-06-28, rev 0x0004, size 3072
    sig 0x000206a7, pf_mask 0x12, 2013-06-12, rev 0x0029, size 10240
    sig 0x000206d7, pf_mask 0x6d, 2013-06-17, rev 0x0710, size 17408
    sig 0x000206f2, pf_mask 0x05, 2013-06-18, rev 0x0037, size 13312
    sig 0x000306a9, pf_mask 0x12, 2013-06-13, rev 0x0019, size 12288

  * Removed Microcodes:
    sig 0x000106e4, pf_mask 0x09, 2010-03-08, rev 0x0002, size 5120

2013-02-22:
  * Updated Microcodes:
    sig 0x000306a9, pf_mask 0x12, 2013-01-09, rev 0x0017, size 11264

2012-06-06-v2 (2012-10-01):
  * Updated Microcodes:
    sig 0x000206d6, pf_mask 0x6d, 2012-05-22, rev 0x0619, size 16384
    sig 0x000206d7, pf_mask 0x6d, 2012-05-22, rev 0x070d, size 16384
    sig 0x000306a9, pf_mask 0x12, 2012-07-16, rev 0x0013, size 11264

  * Updated Microcodes (recently removed):
    sig 0x000206f2, pf_mask 0x05, 2012-04-12, rev 0x0036, size 12288

2012-06-06:
  * New Microcodes:
    sig 0x00020661, pf_mask 0x02, 2011-07-18, rev 0x0105, size 5120
    sig 0x000206d7, pf_mask 0x6d, 2012-04-03, rev 0x070c, size 16384
    sig 0x000306a9, pf_mask 0x12, 2012-04-12, rev 0x0012, size 11264

  * Updated Microcodes:
    sig 0x000106e5, pf_mask 0x13, 2011-09-01, rev 0x0005, size 6144
    sig 0x000206a7, pf_mask 0x12, 2012-04-24, rev 0x0028, size 9216
    sig 0x000206d6, pf_mask 0x6d, 2012-04-18, rev 0x0618, size 16384

  * Removed Microcodes (recently updated):
    sig 0x000206f2, pf_mask 0x05, 2011-08-31, rev 0x0034, size 12288

2011-11-10:
  * New Microcodes:
    sig 0x000206d6, pf_mask 0x6d, 2011-09-29, rev 0x060c, size 15360

  * Updated Microcodes:
    sig 0x00020652, pf_mask 0x12, 2011-09-01, rev 0x000d, size 7168
    sig 0x00020655, pf_mask 0x92, 2011-09-01, rev 0x0003, size 2048
    sig 0x000206a7, pf_mask 0x12, 2011-10-11, rev 0x0025, size 9216
    sig 0x000206f2, pf_mask 0x05, 2011-08-31, rev 0x0034, size 12288

  * Removed Microcodes (recently added):
    sig 0x00030661, pf_mask 0x02, 2011-06-23, rev 0x0106, size 5120
    sig 0x00030661, pf_mask 0x04, 2011-06-23, rev 0x0106, size 5120
    sig 0x00030661, pf_mask 0x08, 2011-06-23, rev 0x0106, size 5120

2011-09-15:
  * New Microcodes:
    sig 0x000206f2, pf_mask 0x05, 2011-07-21, rev 0x0032, size 12288
    sig 0x00030661, pf_mask 0x02, 2011-06-23, rev 0x0106, size 5120
    sig 0x00030661, pf_mask 0x04, 2011-06-23, rev 0x0106, size 5120
    sig 0x00030661, pf_mask 0x08, 2011-06-23, rev 0x0106, size 5120

  * Updated Microcodes:
    sig 0x000206a7, pf_mask 0x12, 2011-07-14, rev 0x001b, size 9216

2011-04-28:
  * New Microcodes:
    sig 0x000206a7, pf_mask 0x12, 2011-04-07, rev 0x0017, size 8192

  * Added back microcodes (unchanged, removed in the past):
    sig 0x00000f12, pf_mask 0x04, 2003-05-02, rev 0x002e, size 2048

  * Removed Microcodes (recently rolled back):
    sig 0x000106a5, pf_mask 0x03, 2009-04-14, rev 0x0011, size 8192

2010-11-23:
  * New Microcodes:
    sig 0x000006fb, pf_mask 0x20, 2010-10-03, rev 0x00ba, size 4096

  * Readded Microcodes (older revision):
    sig 0x000106a5, pf_mask 0x03, 2009-04-14, rev 0x0011, size 8192

  * Updated Microcodes:
    sig 0x000006f2, pf_mask 0x01, 2010-10-02, rev 0x005d, size 4096
    sig 0x000006f2, pf_mask 0x20, 2010-10-02, rev 0x005c, size 4096
    sig 0x000006f6, pf_mask 0x01, 2010-09-30, rev 0x00d0, size 4096
    sig 0x000006f6, pf_mask 0x04, 2010-10-01, rev 0x00d2, size 4096
    sig 0x000006f6, pf_mask 0x20, 2010-10-01, rev 0x00d1, size 4096
    sig 0x000006f7, pf_mask 0x10, 2010-10-02, rev 0x006a, size 4096
    sig 0x000006f7, pf_mask 0x40, 2010-10-02, rev 0x006b, size 4096
    sig 0x000006fa, pf_mask 0x80, 2010-10-02, rev 0x0095, size 4096
    sig 0x000006fb, pf_mask 0x01, 2010-10-03, rev 0x00ba, size 4096
    sig 0x000006fb, pf_mask 0x04, 2010-10-03, rev 0x00bc, size 4096
    sig 0x000006fb, pf_mask 0x08, 2010-10-03, rev 0x00bb, size 4096
    sig 0x000006fb, pf_mask 0x10, 2010-10-03, rev 0x00ba, size 4096
    sig 0x000006fb, pf_mask 0x40, 2010-10-03, rev 0x00bc, size 4096
    sig 0x000006fb, pf_mask 0x80, 2010-10-03, rev 0x00ba, size 4096
    sig 0x000006fd, pf_mask 0x01, 2010-10-02, rev 0x00a4, size 4096
    sig 0x000006fd, pf_mask 0x20, 2010-10-02, rev 0x00a4, size 4096
    sig 0x000006fd, pf_mask 0x80, 2010-10-02, rev 0x00a4, size 4096
    sig 0x00010661, pf_mask 0x01, 2010-10-04, rev 0x0043, size 4096
    sig 0x00010661, pf_mask 0x02, 2010-10-04, rev 0x0042, size 4096
    sig 0x00010661, pf_mask 0x80, 2010-10-04, rev 0x0044, size 4096
    sig 0x00010676, pf_mask 0x01, 2010-09-29, rev 0x060f, size 4096
    sig 0x00010676, pf_mask 0x04, 2010-09-29, rev 0x060f, size 4096
    sig 0x00010676, pf_mask 0x10, 2010-09-29, rev 0x060f, size 4096
    sig 0x00010676, pf_mask 0x40, 2010-09-29, rev 0x060f, size 4096
    sig 0x00010676, pf_mask 0x80, 2010-09-29, rev 0x060f, size 4096
    sig 0x00010677, pf_mask 0x10, 2010-09-29, rev 0x070a, size 4096
    sig 0x0001067a, pf_mask 0x11, 2010-09-28, rev 0x0a0b, size 8192
    sig 0x0001067a, pf_mask 0x44, 2010-09-28, rev 0x0a0b, size 8192
    sig 0x0001067a, pf_mask 0xa0, 2010-09-28, rev 0x0a0b, size 8192
    sig 0x000106d1, pf_mask 0x08, 2010-09-30, rev 0x0029, size 4096

  * Removed Microcodes:
    sig 0x00000612, pf_mask 0x00, 1996-12-10, rev 0x00c6, size 2048
    sig 0x00000616, pf_mask 0x00, 1996-12-10, rev 0x00c6, size 2048
    sig 0x00000617, pf_mask 0x00, 1996-12-10, rev 0x00c6, size 2048
    sig 0x00000619, pf_mask 0x00, 1998-02-18, rev 0x00d2, size 2048
    sig 0x00000633, pf_mask 0x00, 1998-09-23, rev 0x0036, size 2048
    sig 0x00000634, pf_mask 0x00, 1998-09-23, rev 0x0037, size 2048
    sig 0x00000650, pf_mask 0x04, 1997-12-12, rev 0x0019, size 2048
    sig 0x00000650, pf_mask 0x20, 1998-02-11, rev 0x002e, size 2048
    sig 0x00000650, pf_mask 0x80, 1998-02-11, rev 0x002f, size 2048
    sig 0x00000651, pf_mask 0x02, 1999-05-25, rev 0x0041, size 2048
    sig 0x00000651, pf_mask 0x08, 1999-05-25, rev 0x0042, size 2048
    sig 0x00000652, pf_mask 0x08, 1999-05-18, rev 0x002d, size 2048
    sig 0x00000672, pf_mask 0x01, 1999-09-22, rev 0x0010, size 2048
    sig 0x00000673, pf_mask 0x01, 1999-09-10, rev 0x000e, size 2048
    sig 0x00000683, pf_mask 0x01, 2001-02-06, rev 0x0013, size 2048
    sig 0x00000683, pf_mask 0x04, 2001-02-06, rev 0x0010, size 2048
    sig 0x00000683, pf_mask 0x10, 2001-02-06, rev 0x0014, size 2048
    sig 0x000006a4, pf_mask 0x04, 2000-06-16, rev 0x0001, size 2048
    sig 0x00000f12, pf_mask 0x01, 2003-05-02, rev 0x002d, size 2048
    sig 0x00000f12, pf_mask 0x02, 2003-05-02, rev 0x002f, size 2048
    sig 0x00000f12, pf_mask 0x04, 2003-05-02, rev 0x002e, size 2048
    sig 0x00000f13, pf_mask 0x04, 2003-05-08, rev 0x0005, size 2048
    sig 0x00000f24, pf_mask 0x08, 2003-06-05, rev 0x0020, size 2048

  * Removed Microcodes (recently added/updated):
    sig 0x000206c2, pf_mask 0x03, 2010-09-07, rev 0x0013, size 7168

2010-09-14:
  * Updated Microcodes:
    sig 0x000206c2, pf_mask 0x03, 2010-09-07, rev 0x0013, size 7168

  * Removed Microcodes:
    sig 0x000006d8, pf_mask 0x08, 2006-08-31, rev 0x0021, size 2048
    sig 0x000006d8, pf_mask 0x20, 2004-07-22, rev 0x0020, size 2048
    sig 0x00000f65, pf_mask 0x04, 2007-05-10, rev 0x000b, size 2048
    sig 0x00010661, pf_mask 0x04, 2007-05-01, rev 0x0036, size 4096

  * Removed Microcodes (recently added/updated):
    sig 0x000106a5, pf_mask 0x03, 2010-03-03, rev 0x0015, size 8192
    sig 0x000206e6, pf_mask 0x04, 2010-04-21, rev 0x0007, size 6144

2010-08-26:
  * New Microcodes:
    sig 0x000106ca, pf_mask 0x01, 2009-08-25, rev 0x0107, size 5120
    sig 0x000106e4, pf_mask 0x09, 2010-03-08, rev 0x0002, size 5120
    sig 0x00020655, pf_mask 0x92, 2010-03-01, rev 0x0002, size 2048
    sig 0x000206c2, pf_mask 0x03, 2010-06-18, rev 0x000f, size 7168

  * Updated Microcodes:
    sig 0x000106a5, pf_mask 0x03, 2010-03-03, rev 0x0015, size 8192
    sig 0x000106e5, pf_mask 0x13, 2010-04-05, rev 0x0004, size 6144
    sig 0x00020652, pf_mask 0x12, 2010-06-10, rev 0x000c, size 7168
    sig 0x000206e6, pf_mask 0x04, 2010-04-21, rev 0x0007, size 6144

2010-02-09:
  * New Microcodes:
    sig 0x000106ca, pf_mask 0x04, 2009-08-25, rev 0x0107, size 5120
    sig 0x000106ca, pf_mask 0x08, 2009-08-25, rev 0x0107, size 5120
    sig 0x000106ca, pf_mask 0x10, 2009-08-25, rev 0x0107, size 5120
    sig 0x00020652, pf_mask 0x12, 2009-11-12, rev 0x0009, size 7168
    sig 0x00020661, pf_mask 0x01, 2009-10-23, rev 0x0104, size 5120
    sig 0x000206e6, pf_mask 0x04, 2009-12-08, rev 0x0002, size 6144

2009-09-27:
  * New Microcodes:
    sig 0x00010676, pf_mask 0x80, 2008-01-19, rev 0x060c, size 4096
    sig 0x0001067a, pf_mask 0x11, 2008-04-09, rev 0x0a07, size 8192
    sig 0x0001067a, pf_mask 0xa0, 2008-04-09, rev 0x0a07, size 8192
    sig 0x000106e5, pf_mask 0x13, 2009-05-29, rev 0x0003, size 6144

  * Updated Microcodes:
    sig 0x000006f6, pf_mask 0x20, 2007-09-16, rev 0x00cc, size 4096
    sig 0x000006fb, pf_mask 0x04, 2009-05-11, rev 0x00b9, size 4096
    sig 0x000006fb, pf_mask 0x08, 2009-04-28, rev 0x00b8, size 4096
    sig 0x000006fb, pf_mask 0x40, 2009-05-11, rev 0x00b9, size 4096
    sig 0x00010676, pf_mask 0x01, 2008-01-19, rev 0x060c, size 4096
    sig 0x00010677, pf_mask 0x10, 2008-04-28, rev 0x0705, size 8192
    sig 0x000106a4, pf_mask 0x03, 2009-04-21, rev 0x0011, size 13312
    sig 0x000106a5, pf_mask 0x03, 2009-04-14, rev 0x0011, size 8192
    sig 0x000106c2, pf_mask 0x01, 2009-04-10, rev 0x0217, size 5120
    sig 0x000106c2, pf_mask 0x04, 2009-04-10, rev 0x0218, size 5120
    sig 0x000106c2, pf_mask 0x08, 2009-04-10, rev 0x0219, size 5120
    sig 0x000106d1, pf_mask 0x08, 2009-04-06, rev 0x0026, size 4096

2009-03-30:
  * New Microcodes:
    sig 0x000006fb, pf_mask 0x80, 2007-07-13, rev 0x00b6, size 4096
    sig 0x000006fd, pf_mask 0x20, 2007-08-13, rev 0x00a3, size 4096
    sig 0x000106a4, pf_mask 0x03, 2009-02-20, rev 0x0010, size 10240
    sig 0x000106a5, pf_mask 0x03, 2009-02-20, rev 0x000f, size 6144

  * Updated Microcodes:
    sig 0x000006fa, pf_mask 0x80, 2007-09-24, rev 0x0094, size 4096
    sig 0x000006fd, pf_mask 0x80, 2007-08-13, rev 0x00a3, size 4096
    sig 0x000106c2, pf_mask 0x01, 2008-10-06, rev 0x0211, size 5120
    sig 0x000106c2, pf_mask 0x04, 2008-10-06, rev 0x0212, size 5120
    sig 0x000106c2, pf_mask 0x08, 2008-12-02, rev 0x0213, size 5120

  * Removed Microcodes:
    sig 0x00000611, pf_mask 0x00, 1996-12-18, rev 0x0b27, size 2048
    sig 0x00000680, pf_mask 0x08, 1999-05-25, rev 0x000d, size 2048
    sig 0x00000680, pf_mask 0x20, 1999-05-25, rev 0x000c, size 2048
    sig 0x00000696, pf_mask 0x10, 2000-07-07, rev 0x0001, size 2048
    sig 0x000106c1, pf_mask 0x01, 2007-12-03, rev 0x0109, size 5120

2008-09-10:
  * New Microcodes:
    sig 0x0001067a, pf_mask 0x44, 2008-04-09, rev 0x0a07, size 8192
    sig 0x000106c2, pf_mask 0x04, 2008-06-04, rev 0x020a, size 5120
    sig 0x000106c2, pf_mask 0x08, 2008-07-10, rev 0x020d, size 5120

  * Updated Microcodes:
    sig 0x00010676, pf_mask 0x04, 2008-01-19, rev 0x060c, size 4096
    sig 0x00010676, pf_mask 0x10, 2008-01-19, rev 0x060c, size 4096
    sig 0x00010676, pf_mask 0x40, 2008-01-19, rev 0x060c, size 4096
    sig 0x000106c2, pf_mask 0x01, 2008-06-04, rev 0x020a, size 5120
    sig 0x000106d1, pf_mask 0x08, 2008-06-04, rev 0x0021, size 4096

2008-04-01:
  * New Microcodes:
    sig 0x000106c2, pf_mask 0x01, 2008-03-04, rev 0x0207, size 5120
    sig 0x000106d1, pf_mask 0x08, 2008-02-02, rev 0x0010, size 4096

  * Updated Microcodes:
    sig 0x00000f48, pf_mask 0x02, 2008-01-15, rev 0x000e, size 3072

  * Removed Microcodes:
    sig 0x00000f11, pf_mask 0x02, 2003-07-29, rev 0x000a, size 2048
    sig 0x00000f22, pf_mask 0x02, 2003-07-29, rev 0x0005, size 2048

2008-02-20:
  * License text update, no microcode changes.

  * Sunrise: this release ships the microcodes:
    sig 0x00000611, pf_mask 0x00, 1996-12-18, rev 0x0b27, size 2048
    sig 0x00000612, pf_mask 0x00, 1996-12-10, rev 0x00c6, size 2048
    sig 0x00000616, pf_mask 0x00, 1996-12-10, rev 0x00c6, size 2048
    sig 0x00000617, pf_mask 0x00, 1996-12-10, rev 0x00c6, size 2048
    sig 0x00000619, pf_mask 0x00, 1998-02-18, rev 0x00d2, size 2048
    sig 0x00000633, pf_mask 0x00, 1998-09-23, rev 0x0036, size 2048
    sig 0x00000634, pf_mask 0x00, 1998-09-23, rev 0x0037, size 2048
    sig 0x00000650, pf_mask 0x01, 1999-05-25, rev 0x0040, size 2048
    sig 0x00000650, pf_mask 0x02, 1999-05-25, rev 0x0041, size 2048
    sig 0x00000650, pf_mask 0x04, 1997-12-12, rev 0x0019, size 2048
    sig 0x00000650, pf_mask 0x08, 1999-05-25, rev 0x0045, size 2048
    sig 0x00000650, pf_mask 0x20, 1998-02-11, rev 0x002e, size 2048
    sig 0x00000650, pf_mask 0x80, 1998-02-11, rev 0x002f, size 2048
    sig 0x00000651, pf_mask 0x01, 1999-05-25, rev 0x0040, size 2048
    sig 0x00000651, pf_mask 0x02, 1999-05-25, rev 0x0041, size 2048
    sig 0x00000651, pf_mask 0x08, 1999-05-25, rev 0x0042, size 2048
    sig 0x00000652, pf_mask 0x01, 1999-05-12, rev 0x002a, size 2048
    sig 0x00000652, pf_mask 0x02, 1999-05-17, rev 0x002c, size 2048
    sig 0x00000652, pf_mask 0x04, 1999-05-12, rev 0x002b, size 2048
    sig 0x00000652, pf_mask 0x08, 1999-05-18, rev 0x002d, size 2048
    sig 0x00000653, pf_mask 0x01, 1999-06-28, rev 0x0010, size 2048
    sig 0x00000653, pf_mask 0x02, 1999-05-18, rev 0x000c, size 2048
    sig 0x00000653, pf_mask 0x04, 1999-05-20, rev 0x000b, size 2048
    sig 0x00000653, pf_mask 0x08, 1999-05-18, rev 0x000d, size 2048
    sig 0x00000660, pf_mask 0x01, 1999-05-05, rev 0x000a, size 2048
    sig 0x00000665, pf_mask 0x10, 1999-05-05, rev 0x0003, size 2048
    sig 0x0000066a, pf_mask 0x02, 1999-05-05, rev 0x000c, size 2048
    sig 0x0000066a, pf_mask 0x08, 1999-05-05, rev 0x000d, size 2048
    sig 0x0000066a, pf_mask 0x20, 1999-05-05, rev 0x000b, size 2048
    sig 0x0000066d, pf_mask 0x02, 1999-03-12, rev 0x0005, size 2048
    sig 0x0000066d, pf_mask 0x08, 1999-03-12, rev 0x0006, size 2048
    sig 0x0000066d, pf_mask 0x20, 1999-05-05, rev 0x0007, size 2048
    sig 0x00000671, pf_mask 0x04, 1998-08-11, rev 0x0014, size 2048
    sig 0x00000672, pf_mask 0x01, 1999-09-22, rev 0x0010, size 2048
    sig 0x00000672, pf_mask 0x04, 1999-09-22, rev 0x0038, size 2048
    sig 0x00000673, pf_mask 0x01, 1999-09-10, rev 0x000e, size 2048
    sig 0x00000673, pf_mask 0x04, 1999-09-10, rev 0x002e, size 2048
    sig 0x00000680, pf_mask 0x08, 1999-05-25, rev 0x000d, size 2048
    sig 0x00000680, pf_mask 0x20, 1999-05-25, rev 0x000c, size 2048
    sig 0x00000681, pf_mask 0x01, 1999-09-21, rev 0x000d, size 2048
    sig 0x00000681, pf_mask 0x04, 1999-09-21, rev 0x0010, size 2048
    sig 0x00000681, pf_mask 0x08, 1999-09-21, rev 0x000f, size 2048
    sig 0x00000681, pf_mask 0x10, 1999-09-21, rev 0x0011, size 2048
    sig 0x00000681, pf_mask 0x20, 1999-09-21, rev 0x000e, size 2048
    sig 0x00000683, pf_mask 0x01, 2001-02-06, rev 0x0013, size 2048
    sig 0x00000683, pf_mask 0x04, 2001-02-06, rev 0x0010, size 2048
    sig 0x00000683, pf_mask 0x08, 1999-10-15, rev 0x0008, size 2048
    sig 0x00000683, pf_mask 0x10, 2001-02-06, rev 0x0014, size 2048
    sig 0x00000683, pf_mask 0x20, 1999-10-15, rev 0x0007, size 2048
    sig 0x00000686, pf_mask 0x01, 2000-05-05, rev 0x0007, size 2048
    sig 0x00000686, pf_mask 0x02, 2000-05-04, rev 0x000a, size 2048
    sig 0x00000686, pf_mask 0x04, 2000-05-04, rev 0x0002, size 2048
    sig 0x00000686, pf_mask 0x10, 2000-05-05, rev 0x0008, size 2048
    sig 0x00000686, pf_mask 0x80, 2000-05-04, rev 0x000c, size 2048
    sig 0x0000068a, pf_mask 0x10, 2000-11-02, rev 0x0001, size 2048
    sig 0x0000068a, pf_mask 0x20, 2000-12-07, rev 0x0004, size 2048
    sig 0x0000068a, pf_mask 0x80, 2000-12-07, rev 0x0005, size 2048
    sig 0x00000695, pf_mask 0x10, 2004-11-09, rev 0x0007, size 2048
    sig 0x00000695, pf_mask 0x20, 2004-11-09, rev 0x0007, size 2048
    sig 0x00000695, pf_mask 0x80, 2004-11-09, rev 0x0047, size 2048
    sig 0x00000696, pf_mask 0x10, 2000-07-07, rev 0x0001, size 2048
    sig 0x000006a0, pf_mask 0x04, 2000-01-10, rev 0x0003, size 2048
    sig 0x000006a1, pf_mask 0x04, 2000-03-06, rev 0x0001, size 2048
    sig 0x000006a4, pf_mask 0x04, 2000-06-16, rev 0x0001, size 2048
    sig 0x000006b1, pf_mask 0x10, 2001-02-15, rev 0x001c, size 2048
    sig 0x000006b1, pf_mask 0x20, 2001-02-20, rev 0x001d, size 2048
    sig 0x000006b4, pf_mask 0x10, 2002-01-10, rev 0x0001, size 2048
    sig 0x000006b4, pf_mask 0x20, 2002-01-11, rev 0x0002, size 2048
    sig 0x000006d6, pf_mask 0x20, 2004-10-17, rev 0x0018, size 2048
    sig 0x000006d8, pf_mask 0x08, 2006-08-31, rev 0x0021, size 2048
    sig 0x000006d8, pf_mask 0x20, 2004-07-22, rev 0x0020, size 2048
    sig 0x000006e8, pf_mask 0x20, 2005-11-15, rev 0x0039, size 4096
    sig 0x000006ec, pf_mask 0x20, 2006-05-01, rev 0x0054, size 4096
    sig 0x000006ec, pf_mask 0x80, 2006-09-12, rev 0x0059, size 4096
    sig 0x000006f2, pf_mask 0x01, 2007-09-26, rev 0x005a, size 4096
    sig 0x000006f2, pf_mask 0x20, 2007-03-15, rev 0x0057, size 4096
    sig 0x000006f6, pf_mask 0x01, 2007-09-16, rev 0x00cb, size 4096
    sig 0x000006f6, pf_mask 0x04, 2007-09-16, rev 0x00cd, size 4096
    sig 0x000006f6, pf_mask 0x20, 2007-03-15, rev 0x00c7, size 4096
    sig 0x000006f7, pf_mask 0x10, 2007-09-16, rev 0x0068, size 4096
    sig 0x000006f7, pf_mask 0x40, 2007-09-17, rev 0x0069, size 4096
    sig 0x000006fa, pf_mask 0x80, 2007-03-13, rev 0x0092, size 4096
    sig 0x000006fb, pf_mask 0x01, 2007-07-13, rev 0x00b6, size 4096
    sig 0x000006fb, pf_mask 0x04, 2007-08-06, rev 0x00b7, size 4096
    sig 0x000006fb, pf_mask 0x08, 2007-07-13, rev 0x00b6, size 4096
    sig 0x000006fb, pf_mask 0x10, 2007-07-13, rev 0x00b6, size 4096
    sig 0x000006fb, pf_mask 0x40, 2007-08-06, rev 0x00b7, size 4096
    sig 0x000006fd, pf_mask 0x01, 2007-08-13, rev 0x00a3, size 4096
    sig 0x000006fd, pf_mask 0x80, 2007-03-13, rev 0x00a1, size 4096
    sig 0x00000f07, pf_mask 0x01, 2002-07-16, rev 0x0012, size 2048
    sig 0x00000f07, pf_mask 0x02, 2000-11-15, rev 0x0008, size 2048
    sig 0x00000f0a, pf_mask 0x01, 2002-07-16, rev 0x0013, size 2048
    sig 0x00000f0a, pf_mask 0x02, 2002-08-21, rev 0x0015, size 2048
    sig 0x00000f0a, pf_mask 0x04, 2002-07-16, rev 0x0014, size 2048
    sig 0x00000f11, pf_mask 0x02, 2003-07-29, rev 0x000a, size 2048
    sig 0x00000f12, pf_mask 0x01, 2003-05-02, rev 0x002d, size 2048
    sig 0x00000f12, pf_mask 0x02, 2003-05-02, rev 0x002f, size 2048
    sig 0x00000f12, pf_mask 0x04, 2003-05-02, rev 0x002e, size 2048
    sig 0x00000f13, pf_mask 0x04, 2003-05-08, rev 0x0005, size 2048
    sig 0x00000f22, pf_mask 0x02, 2003-07-29, rev 0x0005, size 2048
    sig 0x00000f24, pf_mask 0x02, 2003-06-05, rev 0x001f, size 2048
    sig 0x00000f24, pf_mask 0x04, 2003-06-05, rev 0x001e, size 2048
    sig 0x00000f24, pf_mask 0x08, 2003-06-05, rev 0x0020, size 2048
    sig 0x00000f24, pf_mask 0x10, 2003-06-10, rev 0x0021, size 2048
    sig 0x00000f25, pf_mask 0x01, 2004-08-11, rev 0x0029, size 2048
    sig 0x00000f25, pf_mask 0x02, 2004-08-11, rev 0x002a, size 2048
    sig 0x00000f25, pf_mask 0x04, 2004-08-11, rev 0x002b, size 2048
    sig 0x00000f25, pf_mask 0x10, 2004-08-26, rev 0x002c, size 2048
    sig 0x00000f26, pf_mask 0x02, 2004-08-05, rev 0x0010, size 2048
    sig 0x00000f27, pf_mask 0x02, 2003-06-04, rev 0x0038, size 2048
    sig 0x00000f27, pf_mask 0x04, 2003-06-04, rev 0x0037, size 2048
    sig 0x00000f27, pf_mask 0x08, 2003-06-04, rev 0x0039, size 2048
    sig 0x00000f29, pf_mask 0x02, 2004-08-11, rev 0x002d, size 2048
    sig 0x00000f29, pf_mask 0x04, 2004-08-11, rev 0x002e, size 2048
    sig 0x00000f29, pf_mask 0x08, 2004-08-11, rev 0x002f, size 2048
    sig 0x00000f32, pf_mask 0x0d, 2004-05-11, rev 0x000a, size 2048
    sig 0x00000f33, pf_mask 0x0d, 2005-04-21, rev 0x000c, size 2048
    sig 0x00000f34, pf_mask 0x1d, 2005-04-21, rev 0x0017, size 7168
    sig 0x00000f41, pf_mask 0x02, 2005-04-21, rev 0x0016, size 5120
    sig 0x00000f41, pf_mask 0x20, 2004-11-22, rev 0x0011, size 5120
    sig 0x00000f41, pf_mask 0x9d, 2004-11-22, rev 0x0012, size 5120
    sig 0x00000f41, pf_mask 0xbd, 2005-04-22, rev 0x0017, size 5120
    sig 0x00000f43, pf_mask 0x9d, 2005-04-21, rev 0x0005, size 2048
    sig 0x00000f44, pf_mask 0x9d, 2005-04-21, rev 0x0006, size 3072
    sig 0x00000f47, pf_mask 0x9d, 2005-04-21, rev 0x0003, size 3072
    sig 0x00000f48, pf_mask 0x01, 2006-05-08, rev 0x000c, size 3072
    sig 0x00000f48, pf_mask 0x02, 2005-09-01, rev 0x000b, size 3072
    sig 0x00000f48, pf_mask 0x5f, 2005-06-30, rev 0x0007, size 3072
    sig 0x00000f49, pf_mask 0xbd, 2005-04-21, rev 0x0003, size 2048
    sig 0x00000f4a, pf_mask 0x5c, 2005-12-14, rev 0x0004, size 2048
    sig 0x00000f4a, pf_mask 0x5d, 2005-06-10, rev 0x0002, size 2048
    sig 0x00000f62, pf_mask 0x04, 2005-12-15, rev 0x000f, size 3072
    sig 0x00000f64, pf_mask 0x01, 2005-12-15, rev 0x0002, size 3072
    sig 0x00000f64, pf_mask 0x34, 2005-12-23, rev 0x0004, size 3072
    sig 0x00000f65, pf_mask 0x01, 2006-04-26, rev 0x0008, size 2048
    sig 0x00000f65, pf_mask 0x04, 2007-05-10, rev 0x000b, size 2048
    sig 0x00000f68, pf_mask 0x22, 2006-07-14, rev 0x0009, size 2048
    sig 0x00001632, pf_mask 0x00, 1998-06-10, rev 0x0002, size 2048
    sig 0x00010661, pf_mask 0x01, 2007-09-19, rev 0x0038, size 4096
    sig 0x00010661, pf_mask 0x02, 2007-03-16, rev 0x0031, size 4096
    sig 0x00010661, pf_mask 0x04, 2007-05-01, rev 0x0036, size 4096
    sig 0x00010661, pf_mask 0x80, 2007-03-16, rev 0x0033, size 4096
    sig 0x00010676, pf_mask 0x01, 2008-01-19, rev 0x060b, size 4096
    sig 0x00010676, pf_mask 0x04, 2008-01-19, rev 0x060b, size 4096
    sig 0x00010676, pf_mask 0x10, 2008-01-19, rev 0x060b, size 4096
    sig 0x00010676, pf_mask 0x40, 2008-01-19, rev 0x060b, size 4096
    sig 0x00010677, pf_mask 0x10, 2008-01-19, rev 0x0703, size 4096
    sig 0x000106c1, pf_mask 0x01, 2007-12-03, rev 0x0109, size 5120