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Hardware.md

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Hardware identification (version MP2)

PCB front panel

Overview

  1. CPU¹
  2. RAM
  3. Flash¹
  4. 2.4 GHz RF chip¹
  5. 5 GHz RF chip¹
  6. ???Single Chip Power Management IC??? [FIXME: place some better refs and infos]
  7. Cable upstream amplifier¹
  8. Cable gateway SoC¹
  9. Ethernet Switch
  10. Subscriber Line IC¹
  11. eMMC¹
  12. ???SPI Bios chip??? as mentioned by @arrobazo
  13. 2Bit Logic Level shifter¹ as mentioned by @arrobazo

PCB front panel (marked) PCB back panel (marked)

Identified Components

CPU¹²³

Intel FHCE2752(M?) (Intel Puma 7 SoC CE2752M) 2 cores, 2.5 GHz, Intel Atom Arch (Intel Puma 7 product family page)

Photo

[FIXME: add photos]

RAM

4x Nanya NT5CC128M16JR-EK 2048MByte DDR3L-1866 (Nanya product page)

Photo

[FIXME: add photos]

Flash¹

Kioxia TC58NVG2S0HBAI4 512 MByte SLC NAND EEPROM (Toshiba/Kioxia product page)

Photo

[FIXME: add photos]

2.4 GHz RF chip¹

Celeno CL2432 3x3 802.11ac 2.4GHz RF chip (celeno.com product page)

Photo

[FIXME: add photos]

5 GHz RF chip¹

Celeno CL2440 4x4 802.11ac Wave 2 5GHz RF chip (celeno.com product page)

Photo

[FIXME: add photos]

Power Management IC

ROHM BD2651MWV-E2 [FIXME: infos needed]

Photo

[FIXME: add photos]

Cable upstream amplifier¹

MaxLinear MXL236 PGA IC designed for DOCSIS 3.1 (maxlinear.com product page)

Photo

[FIXME: add photos]

Cable gateway SoC¹

MaxLinear MXL277 cable gateway, front-end SoC designed for DOCSIS 3.1 (maxlinear.com product page)

Photo

[FIXME: add photos]

Ethernet Switch

Intel GSW140 SLMHB 1G Ethernet Switch IC (Intel product page)

Photo

[FIXME: add photos]

Subscriber Line IC¹

Microsemi ZL88107 Microsemi Corporation, ???maybe part of ZL880 series -> product page??? [FIXME: exact ref and infos missing]

Photo

[FIXME: add photos]

eMMC¹

Phison PS8211-0 [FIXME: exact infos and refs needed]

Photo

[FIXME: add photos]

SPI Bios

Unknown model/manufacturer, WLCSP package, reads 949 in line 1 and 0D in line 2.

Photo

[FIXME: add photos]

2Bit Logic Level shifter¹

Texas Instruments SN74AVC2T245RSWR Dual-Bit, 2-DIR pin Dual-Supply Bus Transceiver w/ Configurable Voltage Translation (product page) As mentioned by @arrobazo shifting 1V8 TTL to 3V3 level of the ATOM core console interface. Not normally shipped with OEM setups (see Photo).

Photo

[FIXME: add photos]

Footnotes

¹: Same component/IC/chip as in version MP1. ²: Info on this chip is hard to come by. Version MP1 of the modem has SR31A printed on it, for version MP2 it says SR3S7. ³: [FIXME: Neither version has the M appendix - is this correct?]