acer chromebook cb3-131 quanta zhs_rev1a schematic
acer chromebook cb3-131=1=quanta zhs_rev1a.pdf
Technical Specifications
Technical Summary
This Quanta ZHS421 motherboard is built on the Intel Bay Trail-M platform, featuring an N2820 2.13G SR1SG CPU in an FCBGA 1170 package. The system uses DDR3L memory in a down configuration with 16G/32GB capacity options. The EC/KBC is a TM4E1G31H6ZRB in a BGA-157 package. The BIOS SPI flash is a W25Q64FWSSIG 64Mb IC. Audio is handled by a MAX98090 codec in a TQFN-40 package. Power management includes a BQ24715 battery charger, TPS51216 and TPS51225 regulators, an ISL95833HRTZ-T for VCC_CORE/VCC_GFX, and an NB671GQ-Z. The board integrates a GL852G-OHG12 USB hub and card reader, a TMP432 thermal sensor, and an SLB9655TT1.2FW4.32 TPM. Wireless connectivity is provided via an NGFF WLAN/BT combo module.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS SPI flash is a W25Q64FWSSIG with a capacity of 64Mb.
Q: What EC/KBC chip is used on this motherboard?
A: The EC/KBC is a TM4E1G31H6ZRB in a BGA-157 package.
Q: What is the charging IC and architecture?
A: The charging IC is a BQ24715 battery charger.
Q: What type of memory is used and how is it configured?
A: The board uses
acer chromebook cb3-131=1=quanta zhs_rev1a.pdf
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Quanta Computer Inc. |
| Project Code | ZHS421 |
| Board Number | ZHS421 |
| Revision | 1A |
| Date | Monday, August 10, 2015 |
| CPU Platform | Intel Bay Trail-M |
| CPU Model | N2820 2.13G SR1SG (FCBGA) |
| CPU Package | FCBGA 1170 |
| GPU Type | Integrated |
| Graphics Architecture | Intel Bay Trail-M |
| EC / KBC | TM4E1G31H6ZRB |
| EC/KBC Package | BGA-157 |
| Audio Codec | MAX98090 |
| Audio Codec Package | TQFN-40 |
| BIOS / SPI Flash | W25Q64FWSSIG |
| BIOS Flash Capacity | 64Mb |
| Charging IC | BQ24715 |
| Charger Architecture | Battery Charger |
| Power IC(s) | TPS51216, TPS51225, ISL95833HRTZ-T, NB671GQ-Z |
| RAM Type | DDR3L |
| RAM Architecture | Memory Down |
| RAM Quantity / Slots | 16G/32GB |
| Thermal Sensor | TMP432 |
| Card Reader IC | GL852G-OHG12 |
| USB Hub IC | GL852G-OHG12 |
| LAN IC | Integrated (via eMMC/Video Codec block) |
| WiFi / WLAN IC | WLAN / BT Combo NGFF |
| HDMI Level Shifter | Integrated (DDI 0) |
| TPM | SLB9655TT1.2FW4.32 |
| Document Number | ZHS421 |
Technical Summary
This Quanta ZHS421 motherboard is built on the Intel Bay Trail-M platform, featuring an N2820 2.13G SR1SG CPU in an FCBGA 1170 package. The system uses DDR3L memory in a down configuration with 16G/32GB capacity options. The EC/KBC is a TM4E1G31H6ZRB in a BGA-157 package. The BIOS SPI flash is a W25Q64FWSSIG 64Mb IC. Audio is handled by a MAX98090 codec in a TQFN-40 package. Power management includes a BQ24715 battery charger, TPS51216 and TPS51225 regulators, an ISL95833HRTZ-T for VCC_CORE/VCC_GFX, and an NB671GQ-Z. The board integrates a GL852G-OHG12 USB hub and card reader, a TMP432 thermal sensor, and an SLB9655TT1.2FW4.32 TPM. Wireless connectivity is provided via an NGFF WLAN/BT combo module.
Technician FAQ
Q: What BIOS IC model is used on this motherboard?
A: The BIOS SPI flash is a W25Q64FWSSIG with a capacity of 64Mb.
Q: What EC/KBC chip is used on this motherboard?
A: The EC/KBC is a TM4E1G31H6ZRB in a BGA-157 package.
Q: What is the charging IC and architecture?
A: The charging IC is a BQ24715 battery charger.
Q: What type of memory is used and how is it configured?
A: The board uses
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