InfoServer V2.0 Software Base Level 10
Disc 1 of 1
November 1991
AG-PCY4C-XE
Volume lable: IS_V2.0

Imaged using ddrescue GNU ddrescue 1.23 on 5.4.0-58-generic #64-Ubuntu SMP Wed Dec 9 08:16:25 UTC 2020 x86_64
Recovered using a TSSTcorp CDDVDW SH-224BB (rev SB00)

Recovered without error.

$ dd if=/dev/sr0 of=CDROM-AG-PCY4C-XE-1991-11-INFOSERVER-V2BL10.iso status=progress
203932160 bytes (204 MB, 194 MiB) copied, 83 s, 2.5 MB/s
401400+0 records in
401400+0 records out
205516800 bytes (206 MB, 196 MiB) copied, 83.5321 s, 2.5 MB/s