Poorman's Usbloader

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Type 79
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Poorman's Usbloader

Post by Type 79 » July 30th, 2013, 8:32 am

Image

Hardware: Software: Rom created from ROMProd & PSXPAL.EXE. PSXSERIAL V1.0 is too big to fit in 128KB cartridge.
For uploading I use PSXSERIAL.

Instaboot, power on PlayStation and it's ready to receive.
Windows 8/7 compatible, just plug-in usb and check COMport-number from Device Manager.

Requirements:
  • - PlayStation with Parallel I/O port (SCPH-100x - SCPH-750x)
    - For flashing: Someway to boot from X-Flash cd (modchip, swaptrick, cart with cdstop (Ahoy! 0.34))

Code: Select all

                     Serial Port PSX
                   +-----------------+  
Par.Port ------>   | 1 2 3 4 5 6 7 8 |   ------> Cinch, MultiAV,...
                   +-----------------+   
                  (back of Playstation)    
                                                               
                                                               
  PSX               ConvMod                  CH340
  2 GND|----------|BGND  AGND|-------------|GND
  8 RXD|----------|BRXD  ARXD|-------------|TXD
  5 TXD|----------|BTXD  ATXD|-------------|RXD
                +-|BVCC  AVCC|-------------|VCC5.0V
                +--------------------------|VCC3.3V
Image
Last edited by Type 79 on August 8th, 2013, 1:33 am, edited 2 times in total.

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LameGuy64
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Re: Poorman's Usbloader

Post by LameGuy64 » July 31st, 2013, 1:26 am

I wonder if 0-5 volts logic is safe for the PSX because I happen to have a CH340 clone (disguised as a USB-RS232 cable) which outputs 0-5 volts logic.
Please don't forget to include my name if you share my work around. Credit where it is due.

Dev. Console: SCPH-7000 with SCPH-7501 ROM, MM3, PAL color fix, Direct AV ports, DB-9 port for Serial I/O, and a Xplorer FX with Caetla 0.35.

DTL-H2000 PC: Dell Optiplex GX110, Windows 98SE & Windows XP, Pentium III 933MHz, 384MB SDRAM, ATI Radeon 7000 VE 64MB, Soundblaster Audigy, 40GB Seagate HDD, Hitachi Lite-on CD-RW Drive, ZIP 250 and 3.5" Floppy.

Type 79
Active PSXDEV User
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Posts: 61
Joined: September 18th, 2012, 2:30 am
Location: Finland

Re: Poorman's Usbloader

Post by Type 79 » July 31st, 2013, 2:30 am

Well, no smoke so far, but maybe I should add something like this in.
http://www.ebay.com/itm/Logic-Level-Con ... 1097840293

Type 79
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Location: Finland

Re: Poorman's Usbloader

Post by Type 79 » August 8th, 2013, 1:23 am

First post updated.
- Level Conversion Module.

ToDo:
Internalize, say no to linkcable butchering.

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danhans42
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Re: Poorman's Usbloader

Post by danhans42 » August 8th, 2013, 5:47 am

You can also do this with a 74HC244, with no extra components.. If you are just using HITSERIAL just wire up txd/rxd gnd and +3.3v.. they cost around £0.50 each..
psone_usb_sche.gif
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My collection - SCPH-102/SCPH-7502, Yaroze Modded PSone, PocketStation (Clear), 2x Xplorer Carts, 2x Xplorer Pro, 2x AR Carts (1 with Ezoray), GS Pro 3, ISA Comms Link Card. Various USB serial devices, Gameshark Sharklink, Kentai Eddy, iMode Cable & other bits and bobs.

Arnold101
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Re: Poorman's Usbloader

Post by Arnold101 » December 22nd, 2019, 2:41 pm

danhans42 wrote:
August 8th, 2013, 5:47 am
You can also do this with a 74HC244, with no extra components.. If you are just using HITSERIAL just wire up txd/rxd gnd and +3.3v.. they cost around £0.50 each..

psone_usb_sche.gif
do i need a ch340 or a FTDI FT232bm? im a bit confused, are the same or not?

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danhans42
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PlayStation Model: SCPH-7502
Want to Find: Inspiration
Location: West Yorkshire, UK
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Re: Poorman's Usbloader

Post by danhans42 » January 2nd, 2020, 10:55 pm

Either! You just need a +3.3v UART. They both do the same thing..
♥ PSX - http://psx0.wordpress.com

My collection - SCPH-102/SCPH-7502, Yaroze Modded PSone, PocketStation (Clear), 2x Xplorer Carts, 2x Xplorer Pro, 2x AR Carts (1 with Ezoray), GS Pro 3, ISA Comms Link Card. Various USB serial devices, Gameshark Sharklink, Kentai Eddy, iMode Cable & other bits and bobs.

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