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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
PM73122 / PM73123 / PM73124
-
AAL1GATOR-32/-8/-4
DEVICE DRIVER ERRATA
PRELIMINARY ISSUE 2: JUNE 2001
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE
PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
PUBLIC REVISION HISTORY Issue No. 1 2 Issue Date
December 2000 June 2001
Details of Change Document created. Modifications made to the errata: al3addq - Erroneous Parameters. Errata: "al3_dpr.c and al3_dpr.h - New Files Required" changed to indicate that these files are highly application dependent and it is recommended that these files be written by the customer. The examples files included with the beta-1.0 software driver release contain errors and can only be used as a guide until the next release of the software driver. New errata: "al3ActivateChannel Returns a Queue Handle Usable Only in the Receive Direction"
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS' INTERNAL USE
PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
CONTENTS 1 ISSUE 1 DEVICE DRIVER ERRATA ....................................................... 1 1.1 2 3 DRIVER IDENTIFICATION............................................................ 1
AAL1GATOR-32/-8/-4 DEVICE DRIVER FUNCTIONAL DEFICIENCIES OVERVIEW.............................................................................................. 3 AAL1GATOR-32/-8/-4 DEVICE DRIVER FUNCTIONAL DEFICIENCY DETAILS .................................................................................................. 4 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 REGISTER ACCESS LIMITATION ABOVE 0X82302 ................... 4 EXAMPLE CODE PROFILES.C - SYNTAX ERROR AND CORRECTION .............................................................................. 4 SBI INSBI INS_FIFO_UNDERRUN_INT: INCORRECT INTERRUPT BIT POLLED ............................................................ 5 SBI INSBI INS_FIFO_OVERRUN_INT: INCORRECT INTERRUPT BIT POLLED.................................................................................. 6 EXSBI: INCORRECT CODE FOR LIMITING ACCESS TO THE CURRENTLY ACTIVE PAGE ........................................................ 6 REPLACE "UINT" WITH "UINT2".................................................. 7 AL3_DPR.C, AL3_DPR.H, AL3_ISR.C AND AL3_ISR.H FILES CONTAIN ERRORS ...................................................................... 7 AL3ADDQ - ERRONEOUS PARAMETERS ................................. 8 AL3SETLINESTRMODE - MISSING REGISTER WRITE.......... 10 EXAMPLE PROFILE #3 - T_CHAN_UNSTRUCT ERRONEOUSLY SET ..............................................................................................11 AL3ACTIVATECHANNEL RETURNS A QUEUE HANDLE USABLE ONLY IN THE RECEIVE DIRECTION......................................... 12
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
1
ISSUE 1 DEVICE DRIVER ERRATA This document is the errata notice for the beta-1.0 release of the AAL1GATOR32/-8/-4 (PM73122/PM73123/PM73124) device driver. Note that the beta-1.0 release of the AAL1GATOR-32/-8/-4 device driver supersedes all prior versions.
1.1
Driver Identification The information in this document applies to the beta-1.0 release of the PM73122/PM73123/PM73124 AAL1GATOR-32/-8/-4 device driver. The complete beta-1.0 release of the AAL1GATOR-32/-8/-4 driver includes the following files: Table 1. AAL1GATOR-32/-8/-4 Device Driver Files.
Directory driver/src Filename
al3_api.c al3_api2.c al3_chan.c al3_diag.c al3_dpr.c al3_hw.c al3_init.c al3_isr.c al3_rtos.c al3_stat.c
driver/inc
al3_api.h al3_chan.h al3_dev.h al3_diag.h al3_dpr.h al3_isr.h al3_stat.h al3_mdb.h al3_rtos.h al3_init.h al3_hw.h
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
Directory examples/src examples/inc
Filename
types.h app.c1 profiles.c2 app.h1 hw_pci.h1 rtos_vxw.h1
makefile
Makefile
Notes: 1. 2. The app.c, app.h, rtos_vxw.h, and hw_pci.h files contain example code. profiles.c contains sample initialization profiles for T1 UDF, T1 SDF-FR, T1 SDF-MF, E1 UDF, E1 SDF-FR, E1 SDF-MF and DS3.
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
2
AAL1GATOR-32/-8/-4 DEVICE DRIVER FUNCTIONAL DEFICIENCIES OVERVIEW This section outlines the known functional deficiencies of the beta-1.0 release of the AAL1GATOR-32/-8/-4 (PM73122/PM73123/PM73124) device driver. The errata in Table 2 are explained in more detail in section 3 of this document. Table 2 # 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 - FUNCTIONAL DEFICIENCIES SUMMARY LIST Discrepancy Register Access Limitation Above 0x82302 Example Code profiles.c - Syntax Error and Correction SBI INSBI INS_FIFO_Underrun_INT: Incorrect Interrupt Bit Polled SBI INSBI INS_FIFO_Overrun_INT: Incorrect Interrupt Bit Polled EXSBI: Incorrect Code for Limiting Access to the Currently Active Page Replace "UINT" with "UINT2" al3_dpr.c and al3_dpr.h Contain Errors al3addq - Erroneous Parameters al3setlinestrmode - Missing Register Write Example Profile #3 - T_CHAN_UNSTRUCT Erroneously Set al3ActivateChannel Returns a Queue Handle Usable Only in the Receive Direction Workaround Yes - code edit Yes - code edit Yes - code edit Yes - code edit Yes - code edit Yes - code edit No - fixed in next release of software driver Yes - code edit Yes - code edit Yes - code edit Yes - code edit
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
3
AAL1GATOR-32/-8/-4 DEVICE DRIVER FUNCTIONAL DEFICIENCY DETAILS Note that all deficiencies listed below will be fixed in the production release of the AAL1GATOR-32/-8/-4 (PM73122/PM73123/PM73124) device driver.
3.1
Register Access Limitation Above 0x82302 Description Register access has been erroneously limited to below address 0x82302. This affects commands such as al3Read, al3Write, al3ReadBlock, and al3WriteBlock. Workaround Change constant AL3_REG_MAX_OFFSET from 0x82302 to 0x84003 in file al3_dev.h. Performance With Workaround Registers above 0x82302 are accessible. Performance Without Workaround Access above address 0x82302 is not possible. Issuing the al3Read or al3ReadBlock command with an address range above 0x82302 will fail and return the value 0x0000. Write operations above address 0x82302 using the al3Write command are also not possible without the workaround. Note: This errata has no known negative effects on the operation of the device.
3.2
Example Code profiles.c - Syntax Error and Correction Description There are erroneous instances of semicolons that result in syntax errors when profiles.c is compiled.
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
Workaround Remove the instances of erroneous semicolons which all appear after `srtsCDVT' or `srtsEnable' in profiles.c. Performance With Workaround profiles.c compiles and works as expected. Performance Without Workaround Syntactical errors result when profiles.c is compiled. 3.3 SBI INSBI INS_FIFO_Underrun_INT: Incorrect Interrupt Bit Polled Description In file al3_api2.c, the wrong bit (an unused bit) is polled in the INS_MSTR_INT register. Workaround Bit 3, the INS_FIFO_UDR_INT bit, should be polled instead of the current implementation which polls an unused bit. Update the function initINSBI() in al3_api2.c as below: Incorrect Code while (sysAl3ReadReg(pDDB->baseAddr, AL3_INS_MSTR_INT) & 0x10) (void)sysAl3ReadReg(pDDB->baseAddr, AL3_INS_FI_URI); Correct Code while (sysAl3ReadReg(pDDB->baseAddr, AL3_INS_MSTR_INT) & AL3_INS_MSTR_INT_FIFO_UDR) (void) sysAl3ReadReg(pDDB->baseAddr, AL3_INS_FI_URI); Performance With Workaround Functions normally.
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
Performance Without Workaround Incorrect interrupt detection. 3.4 SBI INSBI INS_FIFO_Overrun_INT: Incorrect Interrupt Bit Polled Description In file al3_api2.c, the wrong bit is polled in the INS_MSTR_INT register. Workaround Bit 2, the INS_FIFO_OVR_INT bit, should be polled instead of the current implementation which polls the INS_FIFO_UDR_INT bit. Update the function initINSBI() in al3_api2.c as below: Incorrect Code while (sysAl3ReadReg(pDDB->baseAddr, AL3_INS_MSTR_INT) & 0x08) (void) sysAl3ReadReg(pDDB->baseAddr, AL3_INS_FI_ORI); Correct Code while (sysAl3ReadReg(pDDB->baseAddr, AL3_INS_MSTR_INT) & AL3_INS_MSTR_INT_FIFO_OVR) (void) sysAl3ReadReg(pDDB->baseAddr, AL3_INS_FI_ORI); Performance With Workaround Functions normally. Performance Without Workaround Incorrect interrupt detection. 3.5 EXSBI: Incorrect Code for Limiting Access to the Currently Active Page Description There is incorrect code in the functions setEXSBI, getEXSBI, setINSBI and getINSBI in file al3_api2.c.
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
Workaround For the functions setEXSBI, getEXSBI, setINSBI and getINSBI in file al3_api2.c, remove the line below: if (pageNum != ((sysAl3ReadReg(base, AL3_EXSBI_CFG) & 0x0080) >> 7)) return aalErrUTIL(AL3_ERR_CFG); Performance With Workaround Functions normally. Performance Without Workaround The code above checks the APAGE bit. This is unnecessary code as it is simpler and safer to write the active page. 3.6 Replace "UINT" with "UINT2" Description In file al3_init.c instances of "UINT" need to be replaced with "UINT2". Workaround In file al3_init.c instances of "UINT" need to be replaced with "UINT2". Performance With Workaround al3_init.c compiles properly. Performance Without Workaround al3_init.c may not compile properly. 3.7 al3_dpr.c, al3_dpr.h, al3_isr.c and al3_isr.h Files Contain Errors Description Because the files al3_dpr.c, al3_dpr.h, al3_isr.c and al3_isr.h are highly application dependent, it is recommended that these files be written by the
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
customer. Note that the example files al3_dpr.c, al3_dpr.h, al3_isr.c and al3_isr.h in the beta-1.0 release of the AAL1GATOR-32/-8/-4 (PM73122/PM73123/PM73124) device driver contain inefficiencies and errors. It is possible that the system could hang due to CPU starvation of system threads during execution of the ISR. New revisions of these files will be available in the next release of the software driver. Workaround Application specific code should be used in place of the example files provided with the software driver. Note the files al3_dpr.c, al3_dpr.h, al3_isr.c and al3_isr.h in the beta-1.0 software driver release currently contain inefficiencies and errors. Performance With Workaround Application specific code should be used in place of the example files provided with the software driver. Performance Without Workaround Application specific code should be used in place of the example files provided with the software driver. Note the files al3_dpr.c, al3_dpr.h, al3_isr.c and al3_isr.h in the beta-1.0 software driver release currently contain inefficiencies and errors. 3.8 al3addq - Erroneous Parameters Description While testing mixed signaling and non-signaling queues on a DS1 SDF-MF line, the al3ActivateChannel(), al3ActivateChannelStr(), al3ActivateChannelUnstr(), al3EnhancedActivateChannel(), al3EnhancedActivateChannelStr(), and al3EnhancedActivateUnstr() functions calculate some values incorrectly. The following fields in the transmit and receive queues are incorrect: 1. T_CHAN_NO_SIG set to '0'. 2. R_TOT_SIZE set to size calculated with the SDF-MF formula.
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
PM73122/123/124 AAL1GATOR-32/-8/-4
AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
Workaround 1) In al3_chan.c, in the function aalUpdateRxTable(), change the calculation for R_TOT_SIZE(9:0) to: ************** if (pRxQDB->modeFR || pRxQDB->suppressSignaling) { temp = numChans - 1; } else if (pRxQDB->modeT1 || pRxQDB->t1Sig) { temp = (((numChans + 1) / 2) - 1) + (numChans * 24); } else { temp = (((numChans + 1) / 2) - 1) + (numChans * 16); } ********* 2) In the file al3_chan.c, in the function aalUpdateRxTable(), change the calculation for R_CHAN_NO_SIG(14) to: ********* if (!(pRxQDB->modeFR) && pRxQDB->suppressSignaling) data += (1 << 14); ********* 3) In the file al3_chan.c, in the function aalUpdateTxTable(), change the calculation for T_CHAN_NO_SIG(7) to: ******** if (!(pTxQDB->modeFR) && pTxQDB->suppressSignaling) data += (1 << 7); ******** 4) In the file al3_mdb.h, both structures, al3_queue_db_rx and al3_queue_db_tx, need an additional element added (can be added anywhere within the structure): BOOLEAN t1Sig; /* Is T1 signalling used? */ 5) This modification is only required if using T1 signaling over E1. In the file al3_chan.c, in the function aalActivateQueueStr(), the following lines need to be added - an existing line is included that shows the setup of "modeT1" as a guide for where the additional lines go:
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
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AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
existing line: pRxQDB->modeT1 = (pRxLine->t1Mode ? TRUE : FALSE); add this line: pRxQDB->t1Sig = (pRxLine->sigType ? TRUE : FALSE); existing line: pTxQDB->modeT1 = (pTxLine->t1Mode ? TRUE : FALSE); add this line: pTxQDB->t1Sig = (pTxLine->sigType ? TRUE : FALSE);
Performance With Workaround Mixed signaling and non-signaling queues operate normally. Performance Without Workaround Queues do not function as expected - cells get dropped and underrun conditions result. 3.9 al3setlinestrmode - Missing Register Write Description When using the driver API function "al3SetLineMode" the driver does not set the "Call Attention Bit", which is required for this command to take effect. Workaround In the file al3_init.c, in the function aalInitRegsLINE(), add the following to the very end of the function: ******** while (sysAl3ReadReg(pDDB->baseAddr, (UINT4 )AL3_A0_CMD + aspNum) & AL3_AX_CMD_ATTN);
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
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AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
sysAl3WriteReg(pDDB->baseAddr, (UINT4 )AL3_A0_CMD + aspNum, AL3_AX_CMD_ATTN); ******** Performance With Workaround al3SetLineMode operates normally. Performance Without Workaround al3SetLineMode may not operate as expected due to the fact that the "Call Attention Bit", which is required in order for the command to take effect, may not get set . 3.10 Example Profile #3 - T_CHAN_UNSTRUCT Erroneously Set Description In example profile # 3 which sets up the AAL1gator-32 device in T1-SDF-MF mode with CAS, the commands al3ActivateChannel(), al3ActivateChannelStr(), al3ActivateChannelUnstr(), al3EnhancedActivateChannel(), al3EnhancedActivateChannelStr() and al3EnhancedActivateUnstr(),are found to have the T_CHAN_UNSTRUCT bit in the QUEUE_CONFIG register set. This is an error - this bit should only be set for single DS0 without pointer in SDF-FR mode. Workaround In the file al3_chan.c, in the function aalUpdateRxTable(), change the calculation of R_CHAN_UNSTRUCT(15) to: ******** if ((numChans == 1) && (pRxQDB->modeFR || pRxQDB->supressSignaling)) data += (1 << 15); ******** In the file al3_chan.c, in the function aalUpdateTxTable(), change the calculation of T_CHAN_UNSTRUCT(6) to: ******** if ((numChans == 1) && (pTxQDB->modeFR || pTxQDB->supressSignaling)) data += (1 << 6);
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
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******** Performance With Workaround Example profile #3 operates as expected. Performance Without Workaround Example profile #3 which sets up the AAL1gator-32 device in T1-SDF-MF mode with CAS will not operate as expected due to the fact that the T_CHAN_UNSTRUCT bit is erroneously set. 3.11 al3ActivateChannel Returns a Queue Handle Usable Only in the Receive Direction Description The command al3ActivateChannel returns a queue handle which is usable only in the receive direction - not the transmit direction. Workaround Add the following function aalExtractQueId to al3_api2.c and use this function before calling any Transmit API commands. This function obtains the TX Queue Id from the default queue ID returned by the Activate channel API functions. /*----------------------------------------------------------------------------** ** ** aalExtractQueId ** ________________________________________________________________ ___________ ** ** DESCRIPTION: Extracts Rx and Tx Queue ID (pointers) ** ** PARAMETERS: pDDB - device Handle (from al3Add()) ** queId - original queue ID ** pRxQDB - (pointer to) extracted Rx Queue ID variable ** pTxQDB - (pointer to) extracted Tx Queue ID variable ** ** OUTPUTS: pRxQDB - extracted Rx Queue ID ** pTxQDB - extracted Tx Queue ID
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
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AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA
** ** RETURNS: True if parameter 'queId' is invalid ** ** VALID STATES: (states not checked) ** ** SIDE EFFECTS: A Rx Queue MAY be linked to a Tx Queue ** A Tx Queue is NOT linked to a Rx Queue ** ** PSEUDOCODE: Begin ** End ** **----------------------------------------------------------------------------*/ BOOLEAN aalExtractQueId (sAL3_DDB *pDDB, sAL3_QID queId, sAL3_QDB_RX **pRxQDB, sAL3_QDB_TX **pTxQDB) { if (queId == NULL) return TRUE; if ((UINT4 )queId & 0x80000000) { if (pTxQDB != NULL) *pTxQDB = (sAL3_QDB_TX *)((UINT4 )queId & ~0x80000000); if (pRxQDB != NULL) *pRxQDB = NULL; } else { if (pTxQDB != NULL) { UINT2 txQueue = ((sAL3_QDB_RX *)queId)->txQueue; if (txQueue >= pDDB->numQUE) *pTxQDB = NULL; else *pTxQDB = &pDDB->a1sp[((txQueue >> 8) & AL3_A1SP_MASK)].line[((txQueue >> 5) & AL3_LINE_MASK)].txQue[(txQueue & AL3_QUE_MASK)]; } if (pRxQDB != NULL) *pRxQDB = (sAL3_QDB_RX *)queId; } return FALSE; } /* aalExtractQueId() */
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PRELIMINARY AAL1GATOR-32/-8/-4 DEVICE DRIVER ERRATA PMC-2001614 ISSUE 2
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Performance With Workaround A valid TX Queue Id is obtained by calling aalExtractQueId. With this TX Queue Id Transmit API commands operate normally. Performance Without Workaround Without the workaround, Transmit API commands may not operate normally due to an invalid TX Queue Id.
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CONTACTING PMC-SIERRA, INC. PMC-Sierra, Inc. 105-8555 Baxter Place Burnaby, BC Canada V5A 4V7 Tel: Fax: (604) 415-6000 (604) 415-6200 document@pmc-sierra.com info@pmc-sierra.com apps@pmc-sierra.com (604) 415-4533 http://www.pmc-sierra.com
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None of the information contained in this document constitutes an express or implied warranty by PMC-Sierra, Inc. as to the sufficiency, fitness or suitability for a particular purpose of any such information or the fitness, or suitability for a particular purpose, merchantability, performance, compatibility with other parts or systems, of any of the products of PMC-Sierra, Inc., or any portion thereof, referred to in this document. PMC-Sierra, Inc. expressly disclaims all representations and warranties of any kind regarding the contents or use of the information, including, but not limited to, express and implied warranties of accuracy, completeness, merchantability, fitness for a particular use, or non-infringement. In no event will PMC-Sierra, Inc. be liable for any direct, indirect, special, incidental or consequential damages, including, but not limited to, lost profits, lost business or lost data resulting from any use of or reliance upon the information, whether or not PMC-Sierra, Inc. has been advised of the possibility of such damage. (c) 2001 PMC-Sierra, Inc. PMC- 2001614 (P2) Issue date: June 2001
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