Both the Slimline and Oldstyle PS2 can be modified to read back up games through the work of a modchip.

A modded PS2 will enable:

• Direct boot of backups (including PS1 games)
• Region support for games from different countries
• Region support for DVD movies from different countries
• Compatible with Gameshark and Action Replay
• Compatible with PS2 MediaPlayer 1.50 (DivX, Mp3, jpeg)
• Compatible with HDLoader and HDAdavnce.

A comprehensive guide can be found here:

http://reviews.ebay.com/How-To-Determine-Your-PS2-Playstation-2-Version_W0QQugidZ10000000000069070

 

Playstation 2 - SERVICES
	MODBO 4.0/DUO3 ULTRA MODCHIP & INSTALL (I provide chip)	$60.00
	SUBZERO FIX - more info (Required for V12 ps2's as they are prone to Laser problems) (Applies to slim PS2's with model numbers: SCPH-7000x or SCPH-7001x)	$20.00
	DRIVE REPLACEMENT (FAT PS2) (Fix Disk Read Errors)	$40.00
	ANY MODCHIP INSTALL (you supply chip)	$50.00
	GENERAL REPAIR (replace drive/replace laser/other repairs * DOES NOT INCLUDE PARTS*)	$40.00
Playstation 2 - PRODUCTS
	REPLACEMENT VIDEO CABLE	$10.00
	REPLACEMENT POWER CABLE	$10.00
	REPLACEMENT LASER ASSEMBLY (part cost depending on version of PS2)	$40-60