For Sale
A2090 hard disk controller
$40 OBO
1. Using a Maxtor 8760S drive with an A2090 controller
Does anybody in NetLand have any information or suggestions on how to connect
a Maxtor 8760S drive to an Amiga with an A2090 (not a) controller?
The specs for the drive are 15 heads, 54-512 byte sectors per track, 1,632
cyliders.
I've tried various combinations of surfaces/tracks/sectors to no avail.
From using the drive specs to 2 surfaces, 25 sectors & 4 heads, 17 sectors.
The drive APPEARS to prep (the drive select indicator comes on for about 25
mins, no matter how many cylinders/heads/sectors you tell it in the mount
list). I've tried it with SCSI address 0 and RES2/DH2 and DH2 does't appear
after the reboot. With the SCSI address 0, I tried to use RES3/DH3 which
failed prep as expected and worked when the SCSI address was set to 1. The
drive again went active for 25 minutes. I re-booted, mounted DH3 defined to
have 4 heads 17 sectors/track, LowCyl=2, HighCyl=2 (or whatever you please,
the results were the same). No problems reported by Mount either time or prep.
Trying to "Format DH3: name Test" gives a "Format failed: error during format"
on the first cylinder. DH3: appears in the device list, but with no disk
present. This is all reproducable using RES2/DH2 under similar circumstances.
The hardware checks out when it is connected to a Sun workstation.
Formats, read and writes without difficulty.
Could the hddisk.device be at fault? It is 8204 bytes long with a date of
23 Jan 88. HDDISK is 9436 bytes long with a date of 03-Aug-88.
To further complicate the issue, I am also using the ST506 interface.
Is there another controller that would be better able to cope with this problem
?
Thanks in advance for your time and trouble.
2. The loopback adapter/interface ?
3. WANTED: Hard drive controller/interface for MFM or RLL ST506 Drive
4. Deployment using Intellimirror
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