Hi,

Here's my redump info for PS1 game Ridge Racer Type 4 (European release).

Common Disc Info:
    Title: Ridge Racer Type 4
    Foreign Title (Non-latin): (OPTIONAL)
    Disc Number / Letter: (OPTIONAL)
    Disc Title: (OPTIONAL)
    System: Sony PlayStation
    Media Type: CD-ROM
    Category: Games
    Region: Europe
    Languages: English, French, German, Italian, Spanish
    Disc Serial: SCES-01706

    Ringcode Information:
        Mastering Code (laser branded/etched): (REQUIRED, IF EXISTS)
        Mastering SID Code: (REQUIRED, IF EXISTS)
        Data-Side Mould SID Code: IFPI 94B1
        Label-Side Mould SID Code: (REQUIRED, IF EXISTS)
        Additional Mould: (REQUIRED, IF EXISTS)
        Toolstamp or Mastering Code (engraved/stamped): (REQUIRED, IF EXISTS)
    Barcode: 711719774129
    EXE/Build Date: 1999-03-17
    Error Count: 0
    Comments: Internal Disc Serial: SCES-01706
    Contents: (OPTIONAL)

Version and Editions:
    Version: (REQUIRED, IF EXISTS)
    Edition/Release: Original

EDC:
    EDC: Yes

Extras:
    Primary Volume Descriptor (PVD):

0320 : 20 20 20 20 20 20 20 20  20 20 20 20 20 31 39 39                199
0330 : 39 30 33 31 38 30 31 30  31 30 30 30 30 24 30 30   9031801010000$00
0340 : 30 30 30 30 30 30 30 30  30 30 30 30 30 30 00 30   00000000000000.0
0350 : 30 30 30 30 30 30 30 30  30 30 30 30 30 30 30 00   000000000000000.
0360 : 30 30 30 30 30 30 30 30  30 30 30 30 30 30 30 30   0000000000000000
0370 : 00 01 00 00 00 00 00 00  00 00 00 00 00 00 00 00   ................

Copy Protection:
    Anti-modchip: No
    LibCrypt: No

Tracks and Write Offsets:
    DAT:

<rom name="Ridge Racer Type 4 (Europe) (En,Fr,De,Es,It).bin" size="629677440" crc="517c8b8d" md5="72e32cf0f6984abbd1b9d037ececcdd1" sha1="aec0cfd6223db62eeb65563f1958654d4c811e76" />

    Cuesheet:

FILE "Ridge Racer Type 4 (Europe) (En,Fr,De,Es,It).bin" BINARY
  TRACK 01 MODE2/2352
    INDEX 01 00:00:00

    Write Offset: -647

CS

Please post logs for your verifications.