Verbatim PowerBay 2TB

Published on 2022-04-18 and last edited on 2022-04-23.

⚓ Other resources

⚓ Working state

  • Current DTS is here
  • Current DMESG is here
ThingStatusComment
Reset buttonOKSend things in /dev/input/input0
FANOKOFF / Middle / Full with fancontrol working
SensorOKLM75 via i2c
HDDSNOK
EthernetOKMarvell one is ok, labeled as “EXT”
USBOKNo problem, front is working, back too
PCI-ePCI-e not detected at allUsed by an intel ethernet
Buttonsnothing, maybe gpioPOWER or Func doesn’t sends anything
LEDSwhat gpiopower r/g, func r?/g, four leds for hdds
SATA power regGPIO Pins to be found
eSATAI don’t have stuff to test it

⚓ I2C

     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- 0c -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- -- -- -- -- -- -- -- -- UU -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: -- -- -- -- 64 -- -- -- -- -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- -- --            
AddressChipType
0x0c
0x49LM75Sensor
0x64M41T80RTC

⚓ GPIO

CHIPPinDirectionRole
TBD1
2
3
4
5
6Can’t use it with IN or OUT
7
8
9
10If sending IN or OUT, serial freeze, seems to be UART pins
11If sending IN or OUT, serial freeze, seems to be UART pins
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
TBD30
31
32
33
34
35
36
37
38
39
40
41
42
43
44INAlternate beetween 1 or 0
45OUTFAN High mode
46OUTFAN Middle mode
47
48
49INDoesn’t change, only 1

⚓ Chips

ManufNameDescDS
Marvell88F6281-A0SoChttp://www.marvell.com/embedded-processors/kirkwood/assets/HW_88F6281_OpenSource.pdf
Marvell88SM4140-LAD1Serial ATA II 1:4 Port multiplierhttp://natisbad.org/NAS5/refs/Marvell_88SM4140.pdf
Marvell88E1116R-NNC1Gigabit ethernethttp://www.marvell.com/transceivers/assets/88E1116R_Technical_Product_Brief.pdf
IntelWG82574LGigabit ethernethttp://ark.intel.com/fr/products/32209/Intel-82574L-Gigabit-Ethernet-Controller
NEC720114USB 2.0 HUBhttp://documentation.renesas.com/doc/DocumentServer/r19ds0076ej0700_usb.pdf
L251
G751-2f
Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interfacehttp://pdf1.alldatasheet.com/datasheet-pdf/view/95348/ETC/G751-2/+74_W9UCRC/1hYN-EN+/datasheet.pdf
AX3102
A0926A
??????
NXPLPC922F8051-compatible 8-bit Microcontroller through /dev/ttyS1 ?
Atmel932
STM41T80Serial access real-time clock with alarmhttp://www.st.com/web/en/resource/technical/document/datasheet/CD00003119.pdf

⚓ Pictures