HTML_Accelerator

A funcitoning version of the fictional PCIE card

Modeled after: https://twitter.com/_Ninji/status/1317197426449633281

Block Diagram

Made with https://app.diagrams.net/

Signal Chain (new):

1. PCIE 1x (16x size)connection to PC
2. 1x MCS9990 PCIE to USB2.0 port host controller https://www.aliexpress.us/item/3256803035586571.html
3. 4x Alcor Micro AU6438BS USB to eMMC reader (order 2, make sure to choose 6438BS https://www.aliexpress.us/item/3256804567088275.html) (backup order 50x here https://www.aliexpress.us/item/2251832667577487.html)
4. 4x eMMC storage iC mimic card inserted to reader (tbd)

Signal Chain (old):

1. PCIE 1x (16x size)connection to PC
2. 1x VIA Technolgies VT6212 PCI USB2.0 4 port Host controller https://www.aliexpress.us/item/2251832638752642.html
   2.5 (if using VT6212, need PCI to PCIE reversable interface iC 2b. 1x MCS9990 PCIE to USB2.0 port host controller https://www.aliexpress.us/item/3256803035586571.html
3. 4x Alcor Micro AU6438BS USB to flash reader (order 2, make sure to choose 6438BS https://www.aliexpress.us/item/3256804567088275.html) (backup order 50x here https://www.aliexpress.us/item/2251832667577487.html)
4. 4x Flash storage iC mimic card inserted to reader

Flash storage options (see readyboost notes below)

1.70ea 1gb https://www.arrow.com/en/products/mx30lf1g28ad-ti/macronix-international

40x40 mm black heat sink with tape

• 1.42 ea https://www.aliexpress.us/item/2251832401116531.html
• 1.23 ea 10pack https://www.aliexpress.us/item/2251832640943503.html
• 2.68 ea 5pk https://www.aliexpress.us/item/2251832494702724.html
• 3.92 ea https://www.digikey.com/en/products/detail/t-global-technology/TGH-0380-03/13682115

PCIE 12cm full height bracket and screws

• 10.89 for 5 (mesh) https://www.aliexpress.us/item/3256804202694680.html
• 15.83 for 5 (solid) https://www.aliexpress.us/item/3256803817602223.html
• 10.1 for 5 mesh https://www.ebay.com/itm/374654311256

Notes:

VT6212 reference PCB for PCIE to USB card:
https://www.aliexpress.us/item/3256803148283309.html https://www.startech.com/en-us/cards-adapters/pexusb4dp

MCS9990 reference schematic https://www.asix.com.tw/en/product/Interface/PCIe_Bridge/MCS9990

AU6438 USB to EMMC reader pcb for reference:
https://www.aliexpress.us/item/3256805090449780.html with schematic: https://www.pcbway.com/project/shareproject/USB_flash_drive_AU6438.html

PCIE pinout:
https://pinoutguide.com/Slots/pci_express_pinout.shtml

Windows Readyboost info:

https://en.wikipedia.org/wiki/ReadyBoost

• Must be at least 256MB storage
• Access time of 1ms or less
• 2.5MB/s read 4kb rand
• 1.75MB/s write 512kb rand
• up to 8 USB devices

Order from:

dimensions 110mm X 140mm
1.6mm thick FR4
blue
5/5mil trace space
min hole size 0.25mm
edge connector, 20* bevel, ENIG 1u"
1oz copper
PCBway 75$ with shipping https://www.pcbway.com/orderonline.aspx
JLC PCB 55$ with shipping https://cart.jlcpcb.com/quote?orderType=1&stencilLayer=2&stencilWidth=100&stencilLength=100

Power Budget:

5v rail, USB

• 24mA AU6438 USB interface
• 200mA H26M31001 eMMC
• = 900mA total for all eMMC control
• (1.5A Buck from 12-5v should be sufficent for LEDs as well

Todo:

1. Wire up PCIE connection (eeprom neeed?)
2. Power Supplies & Decoupling caps
3. Wire up USB connection #1
4. Wire up USB connection #2,3,4

https://docs.kicad.org/7.0/en/eeschema/eeschema.html#hierarchical-schematics

USB pullup 1.5k on D+ for high speed conneciton (maybe in chip already)