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AuthorTopic: SCSI2SD  (Read 1265 times)

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Offline QuikSanz

SCSI2SD
« on: April 30, 2021, 11:18:01 PM »
Good Day,

I'm  thinking of replacing all of my HD's, The CS3, easy, would get a V6. A2000 W/GVP GForce combo
Is another thing. Amiga resource says transfer rate 1.2MB/s. Other impact controllers are close to 3 times this? Sync or async that is another question, V5.2 is async only.

What's your opinion?

Chris
 

Offline Matt_H

Re: SCSI2SD
« Reply #1 on: May 01, 2021, 02:06:21 AM »
I swapped my hard drive on a CSmk3 for a v5 SCSI2SD. Definitely slower than a real drive at ~1.2MB/s, but for getting that ancient, spinning, and HOT drive out of the tight case it was definitely worth it. v6 wasn’t available at the time so I’d be interested to hear your results with it.

Also using v5s on an A3000 and GVP A530, both working well. Maximum performance of those controllers is closer to the v5’s maximum so the speed penalty isn’t as noticeable. If I had to describe the overall feeling of speed I’d call it “not super fast” rather than “slow.” It’s a familiar speed - there’s plenty of precedent in the history of Amiga hard drive controllers and drives.

Wish it was possible to configure some aspects (like termination) with jumpers rather than having to connect to my Mac over USB, but overall I’ve found them to be very robust. I’ve had no issues after configuring them.
 

Offline kolla

Re: SCSI2SD
« Reply #2 on: May 02, 2021, 11:03:38 PM »
How about this?

https://www.ebay.com/itm/254199399561

and then just a cheap IDE-SD adapter…

EDIT: never mind, I see it is “DVD only”.
« Last Edit: May 02, 2021, 11:08:04 PM by kolla »
B5D6A1D019D5D45BCC56F4782AC220D8B3E2A6CC
---
A3000/060CSPPC+CVPPC/128MB + 256MB BigRAM/Deneb USB
A4000/CS060/Mediator4000Di/Voodoo5/128MB
A1200/Blz1260/IndyAGA/192MB
A1200/Blz1260/64MB
A1200/Blz1230III/32MB
A1200/ACA1221
A600/V600v2/Subway USB
A600/Apollo630/32MB
A600/A6095
CD32/SX32/32MB/Plipbox
CD32/TF328
A500/V500v2
A500/MTec520
CDTV
MiSTer, MiST, FleaFPGAs and original Minimig
Peg1, SAM440 and Mac minis with MorphOS
 

Offline Pat the Cat

Re: SCSI2SD
« Reply #3 on: May 03, 2021, 01:25:27 AM »
Apparently you can change the ROM on it to support HDDs. Not an easy job, it's PLCC and unsocketed.

There are some "industrial" alternatives but they make hacking Acard stuff look like a bargain. Let me know if you want links.,

Rascsi looks interesting. Maybe a touch faster than a V5 and cheaper too. You kind of have to order though the Github, lot easier if you are based in North America.
"To recurse is human. To iterate, divine."

A1200, Vanilla, Surf Squirrel, SD Card, KS 3.0/3.z, PCMCIA dev
A500, Vanilla, A570, Rev 5, KS 1.2/1.3 Testbench system
Rasp Pi, UAE4ARM, 3D laser scanner, experimental, hoping for AmigaOS4Arm, based on Watterott Fabscan Pi
 

Offline QuikSanz

Re: SCSI2SD
« Reply #4 on: May 03, 2021, 01:37:19 AM »
The question if someone can confirm this.as what one to use. Is the G-Force 030 fast enough to use a V6. Amiga Resource says only 1.2 MBs, sounds slow since other GVP  units are much faster. I can't test

Chris
 

Offline QuikSanz

Re: SCSI2SD
« Reply #5 on: May 03, 2021, 01:38:29 AM »
Wrong Thread.................... Pat
 

Offline Pat the Cat

Re: SCSI2SD
« Reply #6 on: May 03, 2021, 01:48:02 AM »
Well, Matt H did wonder about other options for the Cyberstorm 3, which is peculiarly fast as far as I know.

The question if someone can confirm this.as what one to use. Is the G-Force 030 fast enough to use a V6. Amiga Resource says only 1.2 MBs, sounds slow since other GVP  units are much faster. I can't test

Chris

GVP Combos are known for having slower scsi access compared to their scsi HD + Zorro 2 RAM expansions.

No, the Combo will throttle a V6, you won't get 2MB second out of it.
"To recurse is human. To iterate, divine."

A1200, Vanilla, Surf Squirrel, SD Card, KS 3.0/3.z, PCMCIA dev
A500, Vanilla, A570, Rev 5, KS 1.2/1.3 Testbench system
Rasp Pi, UAE4ARM, 3D laser scanner, experimental, hoping for AmigaOS4Arm, based on Watterott Fabscan Pi