CF vs. SD

[Acill]

@Acill  I was looking at these on ebay.  You post clears things up...  
So how do you do the flash from 7722 to 7720?  The Block of six pins in the upper right corner?

You have to get the 7722 I have in my picture. If you look at it you can see a square SST branded ROM chip in the left side. The one you get MUST be this exact one. IBM makes one like this with a flat ROM that I dont know how to reflash. This one in this ebay link is the WRONG one.

http://r.ebay.com/BgHHY3

[Motormouth]

You have to get the 7722 I have in my picture. If you look at it you can see a square SST branded ROM chip in the left side. The one you get MUST be this exact one. IBM makes one like this with a flat ROM that I dont know how to reflash. This one in this ebay link is the WRONG one.

http://r.ebay.com/BgHHY3

I see the difference, unfortunately the Square SST chip looks older, hopefully this doesn't mean obsolete.  

So how do you flash it?

[Motormouth]

mmmmmm.... I put the v4.7 firmware on my V5a, now I am getting 1MB/sec from my unaccelerated A500 with GVP HD8+ and 8 megs of fast ram.  I think this is up from 800kBytes/sec for an older firmware (maybe something like v4.2)

Just FYI, using the built in A3000 scsi (same western digital scsi chip as the GVP HD8+).
I got 2Mbyte/sec from the Mechy reader and 1Mbyte/sec from the SCSI2SD

[HammerD]

Try to measure the speed you have right now. I get 1.2MB/sec on the SCSI2SD v5, and 2.4MB/sec for the SCSI2SD v6, both connected to the 2060 on-board SCSI.

For the v6, unfortunately synchronous SCSI does not work, so the "fastest possible" speed option does not provide a stable system. The v5 was always rock-stable.

I'm using an ACard SCSI-to-IDE bridge on my A2000/Blizzard 2060 and I get about 4 to 4.5MB/sec with an old 2 GIG ide drive.  I think the 2060scsi.device can do faster so I maybe will try a different hard drive to see if I can get it faster.

[giZmo350]

I noticed my mouse wouldn't move.  Looks like my (*@%&$#?@!%&$#?@!%&$#?@!$( coworker bumped my Cocolino with his chair and broke off the connector.

That wasn't nice!!!!  :angryfire::uzi:

Hope you get 'er fixed!

[aperez]

Whilst the V5 SCSI2SD is stable and reliable for me, i upgraded it a while back to the latest firmware and it is now incredibly slow. I'm using it on an Apollo 2030 which I know is a rubbish controller anyway, but it's annoying that I upgraded the firmware to achieve a slower speed, we're talking...200kb/s (booting takes an age) and the older firmware versions don't seem to be available anymore.

Sure they are. What are you talking about? See http://www.codesrc.com/files/scsi2sd

[mechy]

I'm using an ACard SCSI-to-IDE bridge on my A2000/Blizzard 2060 and I get about 4 to 4.5MB/sec with an old 2 GIG ide drive.  I think the 2060scsi.device can do faster so I maybe will try a different hard drive to see if I can get it faster.

are you in synchronous mode ?

[wmaciv]

On other threads I have documented my experiences with scsi2sd C6.  On A2091 with 14mhz hack and GuruROM, was able to get consistent txfer rates of 2.9mb/sec across zii bus to a gvp 40mhz 030 combo card.  The combo card onboard scsi was not as fast, believe it or not.  

Now I am using the same a2091 setup with a pp&s a2000/040@33mhz., So my txfer rates dropped to around 1.85mb/sec.

[LoadWB]

At VCF SE 5.0, we tested the SCSI2SD 6.0 on a Blizzard 1260 with the 1230 SCSI, booting and with SCSIBench.  I'm not sure if the video of the results have been posted, yet.

[nyteschayde]

Get an ACARD 7720 (or a 7722 if you know how to desolder and reflash the ROM) and use a small IDE DOM with it. Its an awesome combo.

ACard has a total racket on the SCSI<->IDE adapters. There's no way in 2017 that these couldn't be made more cheaply. It's really too bad that there aren't any enterprising hardware hackers out there making competition for these.

I have several machines I'd love to add IDE devices to that are purely SCSI; some Amiga and some Macintosh. But at $220+ I can barely even consider buying one.

[QuikSanz]

@nyteschayde,

Yeh, on all flavors. The one for UW SCSI to SATA is a fortune also!

[LoadWB]

@nyteschayde,

Yeh, on all flavors. The one for UW SCSI to SATA is a fortune also!

Yup.  I ordered 10 direct from Acard (well, as direct as possible, through a tier distributor.)  I'm about to put what I have left of them up (both SATA and ATAPI.)  Amazes me how pricey they're going to have to be.

[QuikSanz]

@LoadWB,

Let me know, I may want one for my CSMK3, depending on cost and shipping.

[SnkBitten]

Keep an eye out on eBay,
I picked up 4 Acard 7720uw's for $60 each a few months ago.

ACard has a total racket on the SCSI<->IDE adapters. There's no way in 2017 that these couldn't be made more cheaply. It's really too bad that there aren't any enterprising hardware hackers out there making competition for these.

I have several machines I'd love to add IDE devices to that are purely SCSI; some Amiga and some Macintosh. But at $220+ I can barely even consider buying one.

[LoadWB]

Keep an eye out on eBay,
I picked up 4 Acard 7720uw's for $60 each a few months ago.

I made mention a few months ago, and if I don't get them up before I leave Thursday I will next week when I get back.

For the price I paid to have them made (they are only made on-demand in 10s) and shipped I definitely can't meet $60 for the SATA-HDD models.  I have a few requests already and I'll be filling those before I post them up for general consumption -- I just ask a little patience while I have family in town and I'm having to re-integrate my office as my gov't contract ended (abruptly) just a couple of weeks ago.

[scuzzb494]

This thread began discussing backing up and I thought I would just comment. I still run all conventional hard drives both IDE and SCSI. I have always kept full copies of my computers Workbench on a ZIP disk. I have them all. Generally I have Workbench on a second Volume or disk and if there is an issue I just format the dodgy partition and simply copy back my current version of the Workbench. I also have my Amigas networked to PCs and have for some considerable time kept full copies of archives of my Amiga hard drives on PC disks and burnt to CDs. All of which can be seen and read by my Amigas.

I still await the dreaded day when my hard drives fail, but hasn't happened yet. I still have XT drives on 590s running.

The truth is I very rarely ever need to reinstall anything. I dunno, it just keeps working. Amiga files being so small it takes no time to get all of the Workbench onto a USb stick or Passport. The trick is the networking cus once you have an 'out' doesn't matter how slow the mule is they always turn up in an emergency.

Maybe one day I'll use these new fangled flash card thingys. Or not. Probably not. I have like a cupboard full of hard drives and a drawer full of 2.5" drives. I like the sound of a hard drive, I can sense the machine is alive when I hear the disk activity. I can read a lot into whats happening on a machine by the sounds they make. Just doesn't feel right, camera memory in a computer. The one A2000 I have gives out a wonderful trill noise from the hard drive when she boots. The A1200 has always made a reset kinda churn just after boot and the Viper gives out a single barely audable ding as it settles in for the day.

Just my thoughts.