Playstation 1 XStation Optical Drive Emulator
 
This replaces the cd drive with an sd card reader.
No more cd problems!
Full Playstation 1 library compatibility.
 
This is only compatible with PU-18 motherboard
 
This is in the SCPH-5xxx and some SCPH-700x 
Also compatible with the pixelfx retrogem hd upgrade.
 
I offer an install service for this kit just send me an email.
 
david@oldskoolconsoles.com
 
Official install guide here. 
 
Official user guide here.
 
The cd lid needs to be closed for xstation sd reader to boot!
 
Features:
 
Full compatibility with the PlayStation 1 library.
Full Redump drag and drop support
Multi-disc support and easy swapping
Return to the Loader by holding the reset button for 1 second
 
PixelFX Retrogem Compatibility and IGR support
microSD cards of any size are supportedExFAT and FAT32 support
Simply drag and drop card setup
Supports .iso, ccd/img, cue/bin (single and multiple)
Integrated PSNee, for automatic region-free operation
Automatic 50/60Hz switching
Loading times are a little faster than an original drive in good condition.
Easy firmware updates by simply dragging and dropping an update file to your microSD card.
No registration necessary for updates, ability to revert to a previous firmware.