I have a request for all users of PS2 backward compatibles PS2.
1. unpack this archive
2. place "64MB.VM2" (don't change upper case extension, it's important) into "dev_hdd0/savedata/vmc/"
3. rebuild database
4. sign this vmc to any slot
5. run PS2 game and check if game see more than 8MB.
XMB shows only 8MB and improperly calculate free space but this could be not limited to games.