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333 lines
4.0 KiB
Groff
333 lines
4.0 KiB
Groff
.TH RASPIREV 7
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.
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.SH NAME
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raspirev \- Raspberry Pi revision codes
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.
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.
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.SH DESCRIPTION
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Each distinct Raspberry Pi model revision has a unique revision code. You can
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look up a Raspberry Pi's revision code by running:
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.PP
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.EX
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$ \fBcat /proc/cpuinfo\fR
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.EE
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.PP
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The last three lines show the hardware type, the revision code, and the Pi's
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unique serial number. For example:
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.PP
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.EX
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Hardware : BCM2835
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Revision : a02082
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Serial : 00000000765fc593
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.EE
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.PP
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.B Note:
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As of the 4.9 kernel, all Pis report BCM2835, even those with BCM2836, BCM2837
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and BCM2711 processors. You should not use this string to detect the processor.
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Decode the revision code using the information below, or read
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.I /sys/firmware/devicetree/base/model
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.
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.
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.SH OLD-STYLE REVISION CODES
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The first set of Raspberry Pi models were given sequential hex revision codes
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from 0002 to 0015:
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.TS
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tab(|);
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l l l l l .
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Code|Model|Revision|RAM|Manufacturer
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\_|\_|\_|\_|\_
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0002|B|1.0|256MB|Egoman
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0003|B|1.0|256MB|Egoman
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0004|B|2.0|256MB|Sony UK
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0005|B|2.0|256MB|Qisda
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0006|B|2.0|256MB|Egoman
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0007|A|2.0|256MB|Egoman
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0008|A|2.0|256MB|Sony UK
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0009|A|2.0|256MB|Qisda
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000d|B|2.0|512MB|Egoman
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000e|B|2.0|512MB|Sony UK
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000f|B|2.0|512MB|Egoman
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0010|B+|1.2|512MB|Sony UK
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0011|CM1|1.0|512MB|Sony UK
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0012|A+|1.1|256MB|Sony UK
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0013|B+|1.2|512MB|Embest
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0014|CM1|1.0|512MB|Embest
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0015|A+|1.1|256MB/512MB|Embest
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.TE
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.
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.
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.SH NEW-STYLE REVISION CODES
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With the launch of the Raspberry Pi 2, new-style revision codes were
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introduced. Rather than being sequential, each bit of the hex code represents a
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piece of information about the revision:
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.PP
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.EX
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NOQuuuWuFMMMCCCCPPPPTTTTTTTTRRRR
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.EE
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.
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.TP
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.B N
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Overvoltage
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.PD 0
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.RS
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.TP
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.B 0
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Overvoltage allowed
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.TP
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.B 1
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Overvoltage disallowed
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.RE
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.PD
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.
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.TP
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.B O
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OTP Programming; see
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.BR raspiotp (7)
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.PD 0
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.RS
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.TP
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.B 0
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OTP programming allowed
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.TP
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.B 1
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OTP programming disallowed
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.RE
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.PD
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.
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.TP
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.B Q
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OTP Reading; see
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.BR raspiotp (7)
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.PD 0
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.RS
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.TP
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.B 0
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OTP reading allowed
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.TP
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.B 1
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OTP reading disallowed
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.RE
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.PD
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.
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.TP
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.BR uuu
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Unused
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.
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.TP
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.B W
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Warranty bit
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.PD 0
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.RS
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.TP
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.B 0
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Warranty is intact
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.TP
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.B 1
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Warranty has been voided by overclocking
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.RE
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.PD
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.
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.TP
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.B u
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Unused
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.
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.TP
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.B F
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New flag
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.PD 0
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.RS
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.TP
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.B 1
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new-style revision
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.TP
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.B 0
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old-style revision
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.RE
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.PD
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.
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.TP
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.B MMM
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Memory size
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.PD 0
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.RS
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.TP
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.B 0
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256MB
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.TP
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.B 1
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512MB
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.TP
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.B 2
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1GB
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.TP
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.B 3
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2GB
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.TP
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.B 4
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4GB
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.TP
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.B 5
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8GB
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.RE
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.PD
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.
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.TP
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.B CCCC
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Manufacturer
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.PD 0
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.RS
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.TP
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.B 0
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Sony UK
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.TP
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.B 1
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Egoman
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.TP
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.B 2
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Embest
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.TP
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.B 3
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Sony Japan
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.TP
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.B 4
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Embest
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.TP
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.B 5
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Stadium
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.RE
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.PD
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.
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.TP
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.B PPPP
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Processor
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.PD 0
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.RS
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.TP
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.B 0
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BCM2835
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.TP
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.B 1
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BCM2836
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.TP
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.B 2
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BCM2837
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.TP
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.B 3
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BCM2711
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.RE
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.PD
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.
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.TP
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.B TTTTTTTT
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Type
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.PD 0
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.RS
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.TP
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.B 0
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A
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.TP
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.B 1
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B
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.TP
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.B 2
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A+
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.TP
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.B 3
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B+
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.TP
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.B 4
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2B
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.TP
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.B 5
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Alpha (early prototype)
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.TP
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.B 6
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CM1
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.TP
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.B 8
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3B
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.TP
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.B 9
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Zero
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.TP
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.B a
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CM3
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.TP
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.B c
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Zero W
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.TP
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.B d
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3B+
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.TP
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.B e
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3A+
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.TP
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.B f
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Internal use only
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.TP
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.B 10
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CM3+
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.TP
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.B 11
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4B
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.TP
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.B 13
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400
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.TP
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.B 14
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CM4
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.RE
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.PD
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.
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.TP
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.B RRRR
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Revision (0, 1, 2, etc.)
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.PP
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New-style revision codes in use at the time of writing:
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.TS
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tab(|);
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l l l l l .
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Code|Model|Revision|RAM|Manufacturer
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\_|\_|\_|\_|\_
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900021|A+|1.1|512MB|Sony UK
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900032|B+|1.2|512MB|Sony UK
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900092|Zero|1.2|512MB|Sony UK
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900093|Zero|1.3|512MB|Sony UK
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9000c1|Zero W|1.1|512MB|Sony UK
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9020e0|3A+|1.0|512MB|Sony UK
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920092|Zero|1.2|512MB|Embest
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920093|Zero|1.3|512MB|Embest
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900061|CM|1.1|512MB|Sony UK
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a01040|2B|1.0|1GB|Sony UK
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a01041|2B|1.1|1GB|Sony UK
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a02082|3B|1.2|1GB|Sony UK
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a020a0|CM3|1.0|1GB|Sony UK
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a020d3|3B+|1.3|1GB|Sony UK
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a02042|2B (BCM2837)|1.2|1GB|Sony UK
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a21041|2B|1.1|1GB|Embest
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a22042|2B (BCM2837)|1.2|1GB|Embest
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a22082|3B|1.2|1GB|Embest
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a220a0|CM3|1.0|1GB|Embest
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a32082|3B|1.2|1GB|Sony Japan
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a52082|3B|1.2|1GB|Stadium
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a22083|3B|1.3|1GB|Embest
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a02100|CM3+|1.0|1GB|Sony UK
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a03111|4B|1.1|1GB|Sony UK
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b03111|4B|1.1|2GB|Sony UK
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b03112|4B|1.2|2GB|Sony UK
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c03111|4B|1.1|4GB|Sony UK
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c03112|4B|1.2|4GB|Sony UK
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d03114|4B|1.4|8GB|Sony UK
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.TE
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.
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.
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.SH SEE ALSO
|
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.BR raspiotp (7),
|
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.B [SOURCE]
|
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.
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.
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.SH REFERENCES
|
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.TP
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.B [SOURCE]
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https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
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