RASPIREV - Online Linux Manual PageSection : 7
NAMEraspirev − Raspberry Pi revision codes
DESCRIPTIONEach distinct Raspberry Pi model revision has a unique revision code. You can look up a Raspberry Pi's revision code by running: $ cat /proc/cpuinfoThe last three lines show the hardware type, the revision code, and the Pi's unique serial number. For example: Hardware : BCM2835 Revision : a02082 Serial : 00000000765fc593Note: As of the 4.9 kernel, all Pis report BCM2835, even those with BCM2836, BCM2837 and BCM2711 processors. You should not use this string to detect the processor. Decode the revision code using the information below, or read /sys/firmware/devicetree/base/model
OLD-STYLE REVISION CODESThe first set of Raspberry Pi models were given sequential hex revision codes from 0002 to 0015: CodeModelRevisionRAMManufacturer \_\_\_\_\_ 0002B1.0256MBEgoman 0003B1.0256MBEgoman 0004B2.0256MBSony UK 0005B2.0256MBQisda 0006B2.0256MBEgoman 0007A2.0256MBEgoman 0008A2.0256MBSony UK 0009A2.0256MBQisda 000dB2.0512MBEgoman 000eB2.0512MBSony UK 000fB2.0512MBEgoman 0010B+1.2512MBSony UK 0011CM11.0512MBSony UK 0012A+1.1256MBSony UK 0013B+1.2512MBEmbest 0014CM11.0512MBEmbest 0015A+1.1256MB/512MBEmbest
NEW-STYLE REVISION CODESWith the launch of the Raspberry Pi 2, new-style revision codes were introduced. Rather than being sequential, each bit of the hex code represents a piece of information about the revision: NOQuuuWuFMMMCCCCPPPPTTTTTTTTRRRR N  Overvoltage 0  Overvoltage allowed 1  Overvoltage disallowed O  OTP Programming; see raspiotp(7) 0  OTP programming allowed 1  OTP programming disallowed Q  OTP Reading; see raspiotp(7) 0  OTP reading allowed 1  OTP reading disallowed uuu  Unused W  Warranty bit 0  Warranty is intact 1  Warranty has been voided by overclocking u  Unused F  New flag 1  new-style revision 0  old-style revision MMM  Memory size 0  256MB 1  512MB 2  1GB 3  2GB 4  4GB 5  8GB CCCC  Manufacturer 0  Sony UK 1  Egoman 2  Embest 3  Sony Japan 4  Embest 5  Stadium PPPP  Processor 0  BCM2835 1  BCM2836 2  BCM2837 3  BCM2711 TTTTTTTT  Type 0  A 1  B 2  A+ 3  B+ 4  2B 5  Alpha (early prototype) 6  CM1 8  3B 9  Zero a  CM3 c  Zero W d  3B+ e  3A+ f  Internal use only 10  CM3+ 11  4B 13  400 14  CM4 RRRR  Revision (0, 1, 2, etc.) New-style revision codes in use at the time of writing: CodeModelRevisionRAMManufacturer \_\_\_\_\_ 900021A+1.1512MBSony UK 900032B+1.2512MBSony UK 900092Zero1.2512MBSony UK 900093Zero1.3512MBSony UK 9000c1Zero W1.1512MBSony UK 9020e03A+1.0512MBSony UK 920092Zero1.2512MBEmbest 920093Zero1.3512MBEmbest 900061CM1.1512MBSony UK a010402B1.01GBSony UK a010412B1.11GBSony UK a020823B1.21GBSony UK a020a0CM31.01GBSony UK a020d33B+1.31GBSony UK a020422B (BCM2837)1.21GBSony UK a210412B1.11GBEmbest a220422B (BCM2837)1.21GBEmbest a220823B1.21GBEmbest a220a0CM31.01GBEmbest a320823B1.21GBSony Japan a520823B1.21GBStadium a220833B1.31GBEmbest a02100CM3+1.01GBSony UK a031114B1.11GBSony UK b031114B1.12GBSony UK b031124B1.22GBSony UK c031114B1.14GBSony UK c031124B1.24GBSony UK d031144B1.48GBSony UK
SEE ALSOraspiotp(7), [SOURCE]
REFERENCES[SOURCE]  https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md 0
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ERROR : Need New Coding :         (rof_escape_sequence|91|raspirev.7|38|\_|\_|\_|\_|\_ |\_|\_|\_|\_|\_ )         (rof_escape_sequence|91|raspirev.7|291|\_|\_|\_|\_|\_ |\_|\_|\_|\_|\_ )