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Cisco 7200 Series Routers

NPE-400 128 MB SODIMM Memory Failures Limited to Specific Serial Numbers


Revised October 21, 2004
October 14, 2003



Products Affected

Product Top Assembly Comments HW Rev.
Part Number
NPE-400=   800-08136-06 to  800-08136-07 Products Affected:
72xxVXR
uBR72xxVXR  
1.5 &1.6  

Serial Numbers

Sequential # Random #
  21015731, 28531345, 28531960, 28619101, 28678029, 28679138, 29330925, 29441009, 29444707, 29446209, 29566124, 29620559, 29623480, 29625800, 29626010, 29627444, 29627474, 29680344, 29680361, 29680362, 29680364, 29680370, 29680375, 29680378, 29680380, 29680435, 29680437, 29680781, 29680792, 29680799, 29680805, 29680850, 29680858, 29680873, 29680875, 29680878, 29680885, 29680906, 29680914, 29680921, 29680941, 29680956, 29680981, 29680989, 29680991, 29680996, 29681014, 29681019, 29681023, 29681024, 29681025, 29681030, 29681037, 29681041, 29681047, 29681048, 29681053, 29681060, 29681066, 29681070, 29681078, 29681088, 29681089, 29681094, 29681101, 29681106, 29681111, 29681114, 29681119, 29681120, 29681125, 29681132, 29681134, 29681135, 29681156, 29681158, 29681166, 29681167, 29681170, 29681172, 29681175, 29681181, 29681182, 29681196, 29681198, 29681200, 29681202, 29681203, 29681213, 29681222, 29681223, 29681225, 29681231, 29681233, 29681235, 29681239, 29681249, 29681255, 29681256, 29681262, 29681265, 29681277, 29681278, 29681282, 29681285, 29681288, 29681293, 29681306, 29681307, 29681310, 29681312, 29681313, 29681324, 29681327, 29681328, 29681330, 29681331, 29681337, 29681341, 29681343, 29681344, 29681346, 29681728, 29681731, 29681738, 29682368, 29682405, 29682406, 29682407, 29682417, 29682419, 29682422, 29682424, 29682425, 29682428, 29682429, 29682438, 29682442, 29683886, 29683887, 29683888, 29683921, 29683927, 29683931, 29683933, 29683936, 29683950, 29683963, 29683988, 29684000, 29684005, 29684039, 29684046, 29684052, 29684080, 29684111, 29684191, 29684219, 29684929, 29685121, 29685130, 29685181, 29685188, 29685220, 29685226, 29685234, 29685241, 29685250, 29685251, 29685254, 29685259, 29685260, 29685261, 29685262, 29685263, 29685264, 29685265, 29685281, 29685283, 29685284, 29685286, 29685300, 29685307, 29685308, 29685309, 29685311, 29685314, 29685322, 29685324, 29685330, 29860577, 29860682, 29862295, 29864917, 29865049, 29865051, 29865211, 29865213, 29865215, 29865220, 29865221, 29865226, 29865230, 29865232, 29865235, 29865239, 29865243, 29865244, 29865249, 29865250, 29865252, 29865256, 29865265, 29865269, 29865270, 29865274, 29865286, 29865291, 29865296, 29865299, 29865301, 29865304, 29865318, 29865319, 29865334, 30265342, 30265345, 30265346, 30265349, 30265352, 30265356, 30265357, 30265359, 30265367, 30265370, 30265372, 30265375, 30265376, 30265378, 30265388, 30265391, 30265393, 30265416, 30265451, 30265454, 30265458, 30265471, 30265498, 30265511, 30265557, 30265576, 30265580, 30265582, 30265583, 30265584, 30265586, 30266430, 30266431, 30266438, 30266441, 30266443, 30266565, 30266578, 30266586, 30266588, 30266591, 30266603, 30266615, 30266620, 30268216, 30268424, 30268456, 30268474, 30270393, 30270403, 30270407, 30270408, 30270413, 30270417, 30270424, 30270432, 30270436, 30270445, 30270449, 30270459, 30270481, 30270496, 30270512, 30270519, 30270523, 30270567, 30270577, 30270578, 30270588, 30270589, 30270711, 30270712, 30270752, 30270959, 30270960, 30270994, 30271010, 30271017, 30271037, 30271356, 30405441, 30405444, 30405989, 30405996, 30405999, 30406010, 30406013, 30406014, 30406017, 30406018, 30406019, 30406024, 30406026, 30406032, 30406036, 30406042, 30406043, 30406046, 30406058, 30406074, 30406079, 30406083, 30406085, 30406087, 30406093, 30406094, 30406095, 30406097, 30406103, 30406105, 30406107, 30406111, 30406113, 30406127, 30406129, 30406132, 30406139, 30406143, 30406145, 30406147, 30406149, 30406153, 30406154, 30406159, 30406163, 30406645, 30406652, 30406654, 30406661, 30406670, 30406671, 30406674, 30406678, 30406683, 30406684, 30406686, 30406688, 30406696, 30406711, 30406712, 30406713, 30406718, 30406727, 30406731, 30406748, 30406749, 30406761, 30406762, 30406766, 30406806, 30406808, 30406823, 30406825, 30406839, 30406840, 30406843, 30406853, 30406855, 30406860, 30406863, 30406865, 30406866, 30406869, 30406886, 30406893, 30406899, 30406900, 30406931, 30406934, 30406935, 30406941, 30406942, 30406945, 30406947, 30406953, 30406954, 30406956, 30406959, 30406965, 30406968, 30406976, 30406977, 30406981, 30406985, 30406988, 30406989, 30406999, 30407000, 30407006, 30407012, 30407015, 30407017, 30407018, 30407019, 30407020, 30407025, 30407026, 30407027, 30407028, 30407031, 30407037, 30407045, 30407057, 30407061, 30407073, 30407086, 30407096, 30407097, 30407106, 30407112, 30407116, 30407117, 30407119, 30407120, 30407127, 30407128, 30407641, 30407642, 30407645, 30407647, 30407651, 30407653, 30407655, 30407662, 30407664, 30407670, 30407677, 30407678, 30407680, 30407684, 30407686, 30407687, 30407688, 30407690, 30407691, 30407693, 30407700, 30407702, 30407706, 30407715, 30407716, 30407720, 30407722, 30407723, 30407724, 30407726, 30407727, 30407730, 30407736, 30407742, 30407744, 30407747, 30407748, 30407749, 30407752, 30407754, 30408159, 30408161, 30408162, 30408164, 30408165, 30408168, 30408171, 30408172, 30408175, 30408178, 30408183, 30408185, 30408187, 30408189, 30408192, 30408194, 30408195, 30408196, 30408197, 30408199, 30408200, 30408201, 30408205, 30408208, 30408209, 30408215, 30408217, 30408218, 30408221, 30408223, 30408224, 30408226, 30408228, 30408230, 30408231, 30408233, 30408235, 30408236, 30408239, 30408240, 30408241, 30408242, 30408243, 30408250, 30408253, 30408255, 30408257, 30408258, 30408262, 30408264, 30408267, 30408268, 30408269, 30408274, 30408276, 30408277, 30408280, 30408287, 30408288, 30408290, 30408293, 30408295, 30408297, 30408302, 30408304, 30408305, 30408306, 30408310, 30408311, 30408313, 30408315, 30408316, 30408317, 30408318, 30408319, 30408327, 30408329, 30408330, 30408334, 30408343, 30410605, 30410606, 30410613, 30410615, 30410616, 30410938, 30410944, 30410947, 30410948, 30410951, 30410954, 30410955, 30410961, 30410962, 30410965, 30410969, 30410970, 30410972, 30410974, 30410975, 30410982, 30410987, 30410988, 30410995, 30410998, 30410999, 30411000, 30411002, 30411003, 30411004, 30411005, 30411008, 30411010, 30411011, 30411012, 30411013, 30411017, 30411018, 30411019, 30411020, 30411021, 30411025, 30411026, 30411028, 30411032, 30411038, 30411041, 30411046, 30411050, 30411054, 30411055, 30411063, 30411068, 30411072, 30411074, 30411075, 30411082, 30411083, 30411084, 30411085, 30411097, 30411099, 30411101, 30411108, 30411109, 30411111, 30411112, 30411114, 30411116, 30411118, 30411121, 30411122, 30411123, 30411127, 30411129, 30411130, 30411134, 30411135, 30411139, 30411140, 30411141, 30411142, 30411147, 30411148, 30411149, 30411151, 30411153, 30411159, 30411161, 30411162, 30411163, 30411164, 30411167, 30411168, 30411169, 30411170, 30411171, 30411174, 30411175, 30411176, 30411178, 30411180, 30411182, 30411186, 30411187, 30411188, 30411193, 30411196, 30411199, 30411205, 30411206, 30411208, 30411210, 30411216, 30411217, 30411218, 30411219, 30411222, 30411224, 30411229, 30411230, 30411234, 30411237, 30411247, 30411248, 30411249, 30411250, 30411252, 30411253, 30411254, 30411257, 30411258, 30411259, 30411264, 30411265, 30411268, 30411271, 30411272, 30411275, 30411276, 30411277, 30411279, 30411283, 30411284, 30411287, 30411296, 30411297, 30411302, 30411306, 30411308, 30411309, 30411310, 30411312, 30411313, 30411314, 30411315, 30411317, 30411319, 30411320, 30411322, 30411326, 30411327, 30411328, 30411329, 30411331, 30411336, 30411337, 30411342, 30411344, 30411349, 30411350, 30411352, 30411353, 30411355, 30411356, 30411357, 30411358, 30411361, 30411362, 30411364, 30411372, 30411373, 30411375, 30411376, 30411377, 30411379, 30411382, 30411383, 30411386, 30411387, 30411389, 30411390, 30411393, 30411394, 30411400, 30411404, 30411405, 30411407, 30411426, 30411430, 30411432, 30411433, 30413584, 30413603, 30414489, 30414494, 30414496, 30414502, 30414512, 30414516, 30414525, 30414529, 30414530, 30414531, 30414538, 30414542, 30414543, 30414545, 30414551, 30414558, 30414560, 30414561, 30414565, 30414571, 30414596, 30414598, 30414602, 30414604, 30414605, 30414609, 30414610, 30414611, 30414613, 30414615, 30414618, 30414619, 30414620, 30414623, 30414625, 30414626, 30414635, 30414637, 30414639, 30414640, 30414644, 30414651, 30414656, 30414658, 30414659, 30414660, 30414663, 30414666, 30414679, 30414690, 30414693, 30414694, 30414700, 30414702, 30414715, 30414717, 30414719, 30414726, 30414734, 30414737, 30414745, 30414747, 30414779, 30414790, 30414824, 30414829, 30414832, 30414837, 30414839, 30414843, 30414845, 30414851, 30414854, 30414855, 30414858, 30414859, 30414862, 30414869, 30414878, 30414888, 30414896, 30414915, 30414922, 30580769, 30580773, 30580776, 30580778, 30580779, 30580780, 30580782, 30580783, 30580784, 30580785, 30580787, 30580788, 30580789, 30580790, 30580791, 30580792, 30580793, 30580794, 30580795, 30580796, 30580797, 30580798, 30580799, 30580800, 30580801, 30580802, 30580803, 30580804, 30580807, 30580808, 30580809, 30580810, 30580812, 30580813, 30580819, 30580820, 30580821, 30580822, 30580824, 30580828, 30580830, 30580832, 30580833, 30580834, 30580836, 30580837, 30580841, 30580842, 30580843, 30580844, 30580846, 30580854, 30580855, 30580857, 30580859, 30580889, 30580891, 30580893, 30580916, 30580921, 30580923, 30580924, 30580925, 30580926, 30580927, 30580930, 30580935, 30580938, 30580940, 30580941, 30580942, 30580945, 30580947, 30580949, 30580954, 30580956, 30580958, 30580963, 30580969, 30580979, 30580981, 30581000, 30581003, 30581010, 30581018, 30581019, 30581020, 30581021, 30581023, 30581025, 30581026, 30581039, 30581041, 30581042, 30581043, 30581047, 30581048, 30581049, 30581051, 30581055, 30581056, 30581062, 30581068, 30581071, 30581078, 30581082, 30582263, 30582265, 30582265, 30582266, 30582267, 30582412, 30582432, 30582494, 30582496, 30582576, 30582606, 30582613, 30582621, 30582625, 30582627, 30582628, 30582640, 30582641, 30582647, 30582648, 30582649, 30582653, 30582659, 30582661, 30582664, 30582681, 30582710, 30582712, 30582713, 30582718, 30582719, 30582729, 30582732, 30582734, 30582735, 30582743, 30582768, 30582773, 30582778, 30582790, 30582792, 30582797, 30582806, 30582812, 30582814, 30582825, 30582827, 30582829, 30582846, 30582855, 30582895, 30582900, 30582903, 30582905, 30582906, 30584533, 30584537, 30584540, 30584542, 30584557, 30584563, 30587316, 30587318, 30587319, 30587322, 30587329, 30587334, 30587338, 30587339, 30587339, 30587340, 30587342, 30587350, 30587351, 30587356, 30587361, 30587364, 30587368, 30587372, 30587373, 30587376, 30587378, 30587382, 30587385, 30587388, 30587389, 30587391, 30587391, 30587396, 30587397, 30587405, 30587407, 30587428, 30587433, 30587472, 30587473, 30587476, 30587495, 30587502, 30587505, 30587509, 30587510, 30587517, 30587522, 30587523, 30587526, 30587526, 30587528, 30587531, 30587532, 30587533, 30587535, 30587537, 30587539, 30587540, 30587544, 30587544, 30587547, 30587556, 30587569, 30587570, 30587572, 30587576, 30587592, 30587601, 30587606, 30587610, 30587612, 30587612, 30587613, 30587617, 30587620, 30587621, 30587627, 30587628, 30587632, 30587635, 30587647, 30587653, 30587656, 30587657, 30587658, 30587664, 30587665, 30587666, 30587666, 30587669, 30587672, 30587678, 30587678, 30587680, 30587682, 30587689, 30587689, 30587690, 30587692, 30587692, 30587695, 30587696, 30587703, 30587705, 30587707, 30587711, 30587715, 30587720, 30587721, 30587724, 30587728, 30587731, 30587741, 30587742, 30587754, 30587754, 30587757, 30587758, 30587760, 30587770, 30587785, 30587794, 30587797, 30587803, 30587805, 30587817, 30587820, 30587826, 30587835, 30587836, 30587837, 30587847, 30587850, 30587851, 30587853, 30587854, 30587855, 30587861, 30587864, 30587864, 30587875, 30587878, 30587880, 30587882, 30587884, 30587885, 30587891, 30587898, 30587901, 30587910, 30587919, 30587923, 30587924, 30587929, 30587931, 30587932, 30587938, 30588937, 30588940, 30588940, 30589126, 30589126, 30589627, 30589706, 30589708, 30589711, 30589711, 30589721, 30589724, 30589724, 30589746, 30589751, 30589752, 30589768, 30589768, 30589793, 30589821, 30589824, 30589828, 30589828, 30589850, 30589857, 30589862, 30589869, 30589876, 30589877, 30589886, 30589886, 30589889, 30589891, 30589905, 30589907, 30589917, 30589920, 30589921, 30589923, 30589926, 30589930, 30589930, 30589933, 30589942, 30589942, 30589946, 30589946, 30589949, 30589949, 30589962, 30589964, 30589970, 30589972, 30589974, 30589987, 30589988, 30589991, 30589995, 30590003, 30590005, 30590007, 30590008, 30590011, 30590032, 30590041, 30590060, 30590062, 30590064, 30590065, 30590075, 30590086, 30590087, 30590089, 30590093, 30590095, 30590098, 30590099, 30590113, 30590116, 30590143, 30590151, 30590157, 30590158, 30590173, 30590228, 30590238, 30590242, 30590244, 30590253, 30590256, 30590278, 30590283, 30590285, 30590295, 30590299, 30590309, 30590314, 30590316,  

Problem Description

NPE-400 boards from a limited date range and lot code with a specific chip set have shown memory failures with certain Simpletech 128MB SODIMMs. All suspect Serial Numbers identified are listed in the table above. No failures of this type have been identified with other memory configurations or boards from other serial number ranges.  

Background

Cisco has observed timing errors during periods of high bus activity. The problem is a noise related phase-locked loop (PLL) failure with the noise being generated from one or more of the following: phase-locked loop (PLL) virtual channel connection (VCC) filter, chip substrate noise, or faster SODIMM data edge rates on new SODIMM devices.

PLL- Phase Lock Loop: Lock Loop is a mechanism whereby timing information is transferred within a data stream and the receiver derives the signal element timing by locking its local clock source to the received timing information

VCC- Virtual Channel Connection: As an ATM term, it is a concatenation of VCLs that extends between the points where the ATM service users access the ATM layer. The points at which the ATM cell payload is passed to, or received from, the user ATM Layer for processing signify the endpoints of a VCC.

 

Problem Symptoms

Note: If the NPE-400 is going to fail there is a high probability of 90 percent that it would fail within the first 2 weeks of service. Otherwise there is a very low probability of failure.

Following examples are from the C72xx. Errors will be similar for the uBR platform.

Case 1

Unexpected exception, CPU signal 10, PC = 0x6129DEDC
$0 : 00000000, AT : 00000050, v0 : 00000000, v1 : 00000000
a0 : 00040000, a1 : 00000000, a2 : 00000040, a3 : 07624A08
t0 : 62ACA8AC, t1 : 00000014, t2 : 02441453, t3 : D62F105D
t4 : E9B6C7AA, t5 : 265E5A51, t6 : C040B340, t7 : F61E2562
s0 : 00000020, s1 : 62ACAA20, s2 : 00000204, s3 : 076249D4
s4 : 00000014, s5 : 00000204, s6 : 9E411EC6, s7 : E8538363
t8 : 62ACA8D8, t9 : D09B55EA, k0 : 6322DA04, k1 : 6066E0A8
gp : 61DB46C8, sp : 62ACA888, s8 : 1694FCBB, ra : 6129CF48
EPC : 6129DEDC, ErrorEPC : 8000018C, SREG : 3400FF03

Cause 0000401C (Code 0x7): Data Bus Error exception
-Traceback= 6129DEDC 6129CF48 6129CE14 6071F6FC 6071F9F0 60728664 60727F64 6097F288 6094F540


Case 2
Unexpected exception, CPU signal 10, PC = 0x60729084
$0 : 00000000, AT : 80007D30, v0 : 00000000, v1 : ABABABAB
a0 : 632905F0, a1 : 61BF0000, a2 : 00000000, a3 : 00000000
t0 : 00000001, t1 : 00000000, t2 : 00000000, t3 : FFFF00FF
t4 : 6066B608, t5 : 62A31338, t6 : 00000000, t7 : 62A31330
s0 : 6317BE14, s1 : 00000001, s2 : 80007E28, s3 : 61550000
s4 : 61550000, s5 : 61550000, s6 : 61FE0000, s7 : 61550000
t8 : 62A313A8, t9 : 00000000, k0 : 00004000, k1 : 00000000
gp : 61DB46C8, sp : 61000000, s8 : 61FE0000, ra : 6097FA6C
EPC : 60729084, ErrorEPC : 6066AC40, SREG : 3400FF03
Cause 00004010 (Code 0x4): Address Error (load or instruction fetch) exception
-Traceback= 60729084 6097FA6C

Case 3
%ERR-1-GT64120 (PCI-0): Fatal error, CPU out of range error
GT=0xB4000000, cause=0x0900E083, mask=0x0ED01F00,
real_cause=0x08000000 bus_err_high=0x00000000,
bus_err_low=0x0238EFA0, addr_decode_err=0x00000470
bus_err_high=0x00000000, bus_err_low=0x0238EFA0,
addr_decode_err=0x00000470

Case 4
%ERR-1-GT64120 (PCI-0): Fatal error, Parity error on slave read
GT=0xB4000000, cause=0x0180E283, mask=0x0ED01F00,
real_cause=0x00800200 bus_err_high=0x00000000,
bus_err_low=0x00000000,
addr_decode_err=0x00000470

Case 5
rommon 1 > b slot0:
string is disk0:diags-7200-jun06
Self decompressing the image :
#######*** Bus Error (Load) Exception ***
Access address = 0x3
PC = 0x8000a43c, Cause Reg = 0x1c, Status Reg = 0x3040d003
monitor: command "boot" aborted due to exception

 

Workaround/Solution

Workaround:
No workaround.

Solution:
This issue affects units that match the Serial Number(s) from the Serial Number Table above. If your units do match this criteria, submit a return materials authorization (RMA) to receive an updated NPE-400.

How To Identify Hardware Levels

Cisco-7200# sh c7200
:
:
C7200 CPU EEPROM:
    Hardware Revision : 1.0
    Part Number : 800-08136-07
    Part Number : 73-5308-07
    Board Revision : A0
    PCB Serial Number : 30406956
    RMA History : 00
    Fab Version : 02
    Unknown Field (type 0085): 1C 0F F6 02
    Unknown Field (type 00CB): NPE-400
    Deviation Number : 0-0
    EEPROM format version 4
    EEPROM contents (hex):
        0x00: 04 FF 40 01 F8 41 01 00 C0 46 03 20 00 1F C8 02
        0x10: 82 49 14 BC 02 42 42 30 C1 8B 31 32 36 38 36 35
        0x20: 38 31 00 00 00 04 00 02 02 85 1C 0F F6 02 CB 87
        0x30: 4E 50 45 2D 34 30 30 80 00 00 00 00 FF FF FF FF
        0x40: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
        0x50: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
        0x60: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
        0x70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF


For More Information

You can email cs-npe400-umpire@cisco.com for any additional information needed.