Oktagon 500 & 508
Company
BSC / Alfa Data, Germany
Date
1991 / 1993
Amiga
A500
Interface
side expansion port
Autoconfig ID
2049 / 4
2092 / 4
    SCSI 2 controller
  • does not use DMA but interrupt driven programmed I/O
  • 50 pin internal SCSI header
  • DB25 external SCSI connector
  • place for a 3.5" hard disk inside the case
  • connects to the side expansion port
  • autoboot ROM (oktagon.device) - autobooting requires at least Kickstart 1.3
  • ROM versions less than 6.5 may have problems with removable media devices
  • RDB compatible
  • delivered with A.L.F. driver software
  • A-Max II driver
  • supported by Linux
    Oktagon 500:
  • passthrough connector
  • no memory expansion
    Oktagon 508:
  • no passthrough connector
  • sixteen ZIP sockets accept 8 MB RAM
  • supports either static column or page mode 1M×4 ZIPs
  • accepts ZIPs in groups of four giving 2, 4, 6, 8 MB configurations
  • RAM and hard disk can be disabled separately by switches at the back of the case
  • connector for the optional external power supply, though it can use power from the A500
Photos
BSC / Alfa Data Oktagon 500 & 508 - Board front side
Board, front side
Manual
  • BSC-HD.pdf
    Controller Hardware and Software Installation Manual (english/german)
    443 kB
Driver / Installation Disk
  • Oktagon-32.dms
    install disk v3.2
    HDInstTools v3.2 (07.12.94), OktagonMount 6.8 (30.11.94), GigaMem 3.0 (06.12.92)
    455 kB
  • Oktagon-215.dms
    install disk v2.15
    HDInstTools v2.15 (23.9.93), OktagonMount 4.4 (17.05.93), GigaMem 3.0 (06.12.92)
    377 kB
  • Oktagon-13.dms
    install disk v1.3
    ALF.device v2.13, oktagon.device v3.20
    369 kB
  • BSC_GigaMem-20.dms
    GigaMem v2.0
    vmem.library v1.0
    135 kB
  • Oktagon_ROM-612.zip
    ROM v6.12 for Oktagon 508/2008
    14 kB
  • oktapus.lha
    Aminet
    OktaPussy v2.1 (24.11.98)
    106 kB
Vintage Advert

Advert (DE)
1991-06

Advert (DE)
1991-11

Advert (DE)
1992-10