Apple Mac 8600 - Manual (Page 104)

Take Apart Ultra SCSI Card (WS 9650 Only) - 6
Ultra SCSI Card
(WS 9650 Only)
Before you begin, remove
the side access panel and
gently place the unit on its
side.
Important:
Do not use the
external connector on the
Ultra SCSI card. Only the
internal connector should
be used.