Catfish hardware - Revision history

Beroset: added chip IDs based on photo comments from Paleolas

2026-02-22T16:20:40Z

added chip IDs based on photo comments from Paleolas

← Older revision		Revision as of 16:20, 22 February 2026
Line 3:		Line 3:
	'''NOTE:''' The unit GB is giga''bytes'' while the unit Gb is giga''bits''. This terminology comes directly from the manufacturer (see: [https://web.archive.org/web/20211205022748/https://www.kingston.com/unitedkingdom/en/embedded/epop-embedded-flash an archived web page])[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]		'''NOTE:''' The unit GB is giga''bytes'' while the unit Gb is giga''bits''. This terminology comes directly from the manufacturer (see: [https://web.archive.org/web/20211205022748/https://www.kingston.com/unitedkingdom/en/embedded/epop-embedded-flash an archived web page])[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]
	[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]		[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]
	[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|~~Unknown chip #1~~ on front of catfish main board]]		[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|STM32F412REY (package WLCSP) on front of catfish main board]]

	=== Hardware details - front ===		=== Hardware details - front ===
	Outside the shield at the top left of the board is ~~unknown chip #1~~. Markings on that chip are:		Outside the shield at the top left of the board is a STM32F412REY (package WLCSP). Markings on that chip are:
	<pre>		<pre>
	F412REY6		F412REY6
Line 12:		Line 12:
	TW 8 16 C		TW 8 16 C
	</pre>		</pre>
	A picture of this chip is shown below. ~~Unknown chip #~~2 is a much smaller chip to the right side of the board. Markings on that chip are:		A picture of this chip is shown below. Voltage detector XC6114 from Torex, providing 2.1V detection, is a much smaller chip to the right side of the board. Markings on that chip are:
	<pre>		<pre>
	848		848
Line 18:		Line 18:
	A7NZ		A7NZ
	</pre>		</pre>
	[[File:Unknown chip -2 on front of catfish main board.jpg\|alt=Unknown chip #2 on front of catfish main board\|thumb\|~~Unknown chip #~~2 ~~on front of catfish main board~~]]		[[File:Unknown chip -2 on front of catfish main board.jpg\|alt=Unknown chip #2 on front of catfish main board\|thumb\|Voltage detector XC6114 from Torex. 2.1V detection.]]

	=== Hardware details - back ===		=== Hardware details - back ===
	[[File:Unknown chips 3 and 4 on back of catfish.jpg\|alt=Unknown chips 3 and 4 on back of catfish\|thumb\|Unknown chips 3 and 4 on back of catfish]]		[[File:Unknown chips 3 and 4 on back of catfish.jpg\|alt=Unknown chips 3 and 4 on back of catfish\|thumb\|Unknown chips 3 and 4 on back of catfish]]
	At the top of the board below the two connectors are two chips, shown in a picture below as "unknown chips 3 and 4 on back of catfish." The markings on the chip to the left say:		At the top of the board below the two connectors are two chips, shown in a picture below as "unknown chips 3 and 4 on back of catfish." Chip 3 is probably a Class‑K speaker amplifier (from Awinic AW87318CSR). The markings on the chip to the left say:
	<pre>		<pre>
	2310208		2310208
Line 28:		Line 28:
	B8214		B8214
	</pre>		</pre>
	The markings on the on eo the right say:		The markings on the on the right say:
	<pre>		<pre>
	K318		K318
Line 39:		Line 39:
	</pre>		</pre>

	With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.		With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5. This SF739 chip may be the secure element paired to the NFC chip (perhaps a ST33J2M0 family as they are designed to work together).
	[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739]]		[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739. May be the secure element paired to the NFC chip (perhaps a ST33J2M0 family as they are designed to work together).]]
	[[File:75CK371.jpg\|alt=Unknown chip #6 labeled 75CK371\|thumb\|~~Unknown chip #6~~ labeled ~~75CK371~~]]		[[File:75CK371.jpg\|alt=Unknown chip #6 labeled 75CK371\|thumb\|Chip labeled 75CK871, a single-cell Li-ion gauge from Texas Instruments BQ27421YZFR-G1D.]]
	The ~~small unknown~~ chip #6 to the right of the battery connector bears these markings:		The chip labeled 75CK871 is a single-cell Li-ion gauge from Texas Instruments BQ27421YZFR-G1D and is to the right of the battery connector and bears these markings:
	<pre>		<pre>
	75CK371		75CK371

Beroset: clarified unit of measure for memory

2025-09-16T12:52:41Z

clarified unit of measure for memory

← Older revision		Revision as of 12:52, 16 September 2025
Line 1:		Line 1:
	The [[Catfish\|catfish]] hardware is based on the Qualcomm MSM8909w chipset. In the picture of the front of the main board with the shield removed, this part is just above the horizontal center line of the board and slightly to the left of the vertical center line. The large part under the bit of rubber or glue is a Kingston 04EPOP04-NL3DM627, which is a combo memory of 4GB MLC + 4Gb LPDDR3 in a 136-Ball BGA package.[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]		The [[Catfish\|catfish]] hardware is based on the Qualcomm MSM8909w chipset. In the picture of the front of the main board with the shield removed, this part is just above the horizontal center line of the board and slightly to the left of the vertical center line. The large part under the bit of rubber or glue is a Kingston 04EPOP04-NL3DM627, which is a combo memory of 4GB MLC + 4Gb LPDDR3 in a 136-Ball BGA package.

			'''NOTE:''' The unit GB is giga''bytes'' while the unit Gb is giga''bits''. This terminology comes directly from the manufacturer (see: [https://web.archive.org/web/20211205022748/https://www.kingston.com/unitedkingdom/en/embedded/epop-embedded-flash an archived web page])[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]
	[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]		[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]
	[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|Unknown chip #1 on front of catfish main board]]		[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|Unknown chip #1 on front of catfish main board]]

Beroset: add a link back to main catfish page

2024-08-11T12:48:28Z

add a link back to main catfish page

← Older revision		Revision as of 12:48, 11 August 2024
Line 1:		Line 1:
	The catfish hardware is based on the Qualcomm MSM8909w chipset. In the picture of the front of the main board with the shield removed, this part is just above the horizontal center line of the board and slightly to the left of the vertical center line. The large part under the bit of rubber or glue is a Kingston 04EPOP04-NL3DM627, which is a combo memory of 4GB MLC + 4Gb LPDDR3 in a 136-Ball BGA package.[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]		The [[Catfish\|catfish]] hardware is based on the Qualcomm MSM8909w chipset. In the picture of the front of the main board with the shield removed, this part is just above the horizontal center line of the board and slightly to the left of the vertical center line. The large part under the bit of rubber or glue is a Kingston 04EPOP04-NL3DM627, which is a combo memory of 4GB MLC + 4Gb LPDDR3 in a 136-Ball BGA package.[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]
	[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]		[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]
	[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|Unknown chip #1 on front of catfish main board]]		[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|Unknown chip #1 on front of catfish main board]]

Beroset: /* Hardware details - front */ add more details to frontside chips

2023-09-05T21:33:38Z

Hardware details - front: add more details to frontside chips

@@ Line 4: / Line 4: @@
 === Hardware details - front ===
 [[File:Unknown chip -2 on front of catfish main board.jpg|alt=Unknown chip #2 on front of catfish main board|thumb|Unknown chip #2 on front of catfish main board]]
 === Hardware details - back ===

Beroset: rearranged pictures and added a bit more text

2023-09-05T21:25:07Z

rearranged pictures and added a bit more text

← Older revision		Revision as of 21:25, 5 September 2023
Line 25:		Line 25:
	739		739
	</pre>		</pre>

			With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.
			[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739]]
	[[File:75CK371.jpg\|alt=Unknown chip #6 labeled 75CK371\|thumb\|Unknown chip #6 labeled 75CK371]]		[[File:75CK371.jpg\|alt=Unknown chip #6 labeled 75CK371\|thumb\|Unknown chip #6 labeled 75CK371]]
	~~With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.~~		The small unknown chip #6 to the right of the battery connector bears these markings:
	~~[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739]]Small~~ unknown chip #6 to the right of the battery connector bears these markings:		<pre>

	75CK371		75CK371

	BQ27431		BQ27431

	G1D		G1D
			</pre>
			In the photo below, it's the smaller chip to the left.
	[[File:ST71NFCD.jpg\|alt=ST71NFCD Near Field Communications (NFC) controller\|thumb\|ST71NFCD Near Field Communications (NFC) controller]]		[[File:ST71NFCD.jpg\|alt=ST71NFCD Near Field Communications (NFC) controller\|thumb\|ST71NFCD Near Field Communications (NFC) controller]]
	The chip to the right of at the bottom, the largest chip on the back of the board, is a ST71NFCD which is a Near field communication (NFC) controller which includes its own ARM Cortex-M3 microcontroller. A closeup photo of that chip is also shown below.		The chip to the right of at the bottom, the largest chip on the back of the board, is a ST71NFCD which is a Near field communication (NFC) controller which includes its own ARM Cortex-M3 microcontroller. A closeup photo of that chip is also shown below.

Beroset: Added many more pictures and descriptions of major chips

2023-09-05T21:22:44Z

Added many more pictures and descriptions of major chips

← Older revision		Revision as of 21:22, 5 September 2023
Line 25:		Line 25:
	739		739
	</pre>		</pre>
			[[File:75CK371.jpg\|alt=Unknown chip #6 labeled 75CK371\|thumb\|Unknown chip #6 labeled 75CK371]]
	With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.		With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.
	[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739]]		[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739]]Small unknown chip #6 to the right of the battery connector bears these markings:

			75CK371

			BQ27431

			G1D
			[[File:ST71NFCD.jpg\|alt=ST71NFCD Near Field Communications (NFC) controller\|thumb\|ST71NFCD Near Field Communications (NFC) controller]]
			The chip to the right of at the bottom, the largest chip on the back of the board, is a ST71NFCD which is a Near field communication (NFC) controller which includes its own ARM Cortex-M3 microcontroller. A closeup photo of that chip is also shown below.

Beroset at 21:09, 5 September 2023

2023-09-05T21:09:21Z

← Older revision		Revision as of 21:09, 5 September 2023
Line 26:		Line 26:
	</pre>		</pre>
	With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.		With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.
			[[File:SF739 chip.jpg\|alt=Unknown chip #5 labeled SF739\|thumb\|Unknown chip #5 labeled SF739]]

Beroset at 21:06, 5 September 2023

2023-09-05T21:06:53Z

← Older revision		Revision as of 21:06, 5 September 2023
Line 1:		Line 1:
	[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]		The catfish hardware is based on the Qualcomm MSM8909w chipset. In the picture of the front of the main board with the shield removed, this part is just above the horizontal center line of the board and slightly to the left of the vertical center line. The large part under the bit of rubber or glue is a Kingston 04EPOP04-NL3DM627, which is a combo memory of 4GB MLC + 4Gb LPDDR3 in a 136-Ball BGA package.[[File:Front of catfish main board with shield removed.jpg\|thumb\|alt=Front of catfish main board with shield removed\|Front of catfish main board with shield removed]]
	[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]		[[File:Back of catfish main board with shield removed.jpg\|thumb\|alt=Back of catfish main board\|Back of catfish main board]]
			[[File:F412REY6 chip.jpg\|alt=Unknown chip #1 on front of catfish main board\|thumb\|Unknown chip #1 on front of catfish main board]]

			=== Hardware details - front ===
			[[File:Unknown chip -2 on front of catfish main board.jpg\|alt=Unknown chip #2 on front of catfish main board\|thumb\|Unknown chip #2 on front of catfish main board]]
			Outside the shield at the top left of the board is unknown chip #1. A picture of this chip is shown below. Unknown chip #2 is a much smaller chip to the right side of the board.

			=== Hardware details - back ===
			[[File:Unknown chips 3 and 4 on back of catfish.jpg\|alt=Unknown chips 3 and 4 on back of catfish\|thumb\|Unknown chips 3 and 4 on back of catfish]]
			At the top of the board below the two connectors are two chips, shown in a picture below as "unknown chips 3 and 4 on back of catfish." The markings on the chip to the left say:
			<pre>
			2310208
			VGM41_1
			B8214
			</pre>
			The markings on the on eo the right say:
			<pre>
			K318
			AFC3
			</pre>
			Toward the bottom of the board are three additional chips. To the left of the battery connector is a chip labeled:
			<pre>
			SF
			739
			</pre>
			With a barcode between "SF" and "739". A closeup photo is shown below as unknown chip #5.

Beroset: Add catfish hardware pictures

2023-09-05T20:01:22Z

Add catfish hardware pictures

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