Re: Hard Disk Woes

[rbraun@Hopper.ITC.Virginia.EDU (Rolf Braun)]

Paul Schultz (schultp@aa.wl.com) wrote:
: Randy Shackelford (shack@crash.cts.com) wrote:

: : Sounds exactly like the dreaded no terminator power problem

: Yep, and correct me if I'm wrong but I don't think the Apple High
: Speed SCSI card has a jumper to select for the card to provide
: termination power the way the RamFAST does. Does the Apple High
: Speed just always provide termination power?... but I degress....

: So, find out if the AHS provides termination power or find out if
: your new drive provides it. Something on the SCSI bus needs to provide
: for this. If the drive doesn't then you either need to get a drive
: that does or the more "cost-effective" alternative probably is to
: sell your AHS on csa2.marketplace and buy a RamFAST.

: Oh, a third possibility that some people have posted is that they have
: actually soldered the AHS to provide SCSI termination power. In fact,
: there was recently a posting on c.b.a2 concerning this!

The Apple II High-Speed SCSI card DOES provide ONE END of terminator
power. You must still have a terminator plug at the other end of the chain
in order to provide the OTHER end of termination power. My setup is:

A2 HighSpeed SCSI --------- Hard Disk ---------- Terminator Plug

Good luck, guys...

- Rolf Braun
- Apple IIgs Programmer
- Sassy Software
- Internet e-mail: rbraun@hopper.itc.virginia.edu