I/O perfect Audiotracks
| Composed by | Chiyomaru Shikura / onoken |
| Published by | Five Records |
| Catalog number | VGCD-0004 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 24 tracks |
| Release date | February 24, 2006 |
| Duration | 01:10:51 |
| Genres |
OP "fragment"
Lyrics, Compose: ONOKEN
Vocal: Aki Misawa
ED "Lead out"
Lyrics, Compose: ONOKEN
Vocal: Chiaki Takahashi
Featured Song "To the Moon"
Lyrics, Compose: Chiyomaru Shikura
Vocal: Ayane
BGM: ONOKEN
Lyrics, Compose: ONOKEN
Vocal: Aki Misawa
ED "Lead out"
Lyrics, Compose: ONOKEN
Vocal: Chiaki Takahashi
Featured Song "To the Moon"
Lyrics, Compose: Chiyomaru Shikura
Vocal: Ayane
BGM: ONOKEN
| 1 | fragment | 05:17 |  |
| 2 | stack | 02:30 | |
| 3 | load | 03:10 | |
| 4 | spool | 02:48 | |
| 5 | buffer | 02:57 | |
| 6 | Theme of LEM | 01:59 | |
| 7 | Theme of HE | 02:25 | |
| 8 | simm | 02:13 | |
| 9 | cluster one | 02:56 | |
| 10 | kernal | 02:17 | |
| 11 | node | 02:19 | |
| 12 | gamma | 02:22 | |
| 13 | monolithic | 02:43 | |
| 14 | illegal | 02:12 | |
| 15 | deadlock | 02:14 | |
| 16 | re-do | 01:53 | |
| 17 | netizen | 02:36 | |
| 18 | column | 02:37 | |
| 19 | agent | 02:24 | |
| 20 | gateway | 02:07 | |
| 21 | subnetwork | 02:20 | |
| 22 | include | 06:25 | |
| 23 | Lead Out | 05:08 | |
| 24 | To the Moon | 04:59 | |
