A590
Company
Commodore, USA |
Date
1989 |
Amiga
A500 |
Interface
side expansion port |
Autoconfig ID
514 / 2,3,10 |
DMA SCSI and XT IDE controller
- Western Digital 33C93
- both SCSI and XT IDE mode can work simultaneously
- autoboot ROM – autobooting requires at least Kickstart 1.3
- autoboot disable switch
- time-out switch for drives which spin up slower than 30 seconds
- RDB compatible
- 50 pin internal SCSI header
- internal 40 pin XT IDE header (8 bit only)
- DB25 external SCSI connector
- supported by Linux
- A-Max II driver (scsi.amhd)
memory
- sixteen DIP sockets accept 0.5, 1 or 2 MB RAM
- needs 256k×4 DIPs, 120 ns or faster
notes
- place for a 3.5″ hard disk inside the case
- hard disk activity LED – it can be toggled by jumper to show SCSI or XT-IDE activity
- connects to the side expansion port, no passthrough connector
- external power supply – turns on automatically when the A500 is powered up
DIP switch settings
switch 1 – | autoboot ROM: ON – enable |
switch 2 – | LUN: ON – enable |
switch 3 – | time-out: ON – enable long wait period for drive |
switch 4 – | reserved |
- Serial: 009178
- no RAM installed
- no HDD
- ROM version: 4.6 [images]
- fully recapped with Rubycon brand 105° capacitors
- broken off LED replaced