Technology wise, there is an inherent limitation on the number or
writes with the SSD design.
While it is not as simple to calculate as a mechanical system, it does
have a limitation.
I don't know the exact number with the current technology, earlier
products had write life times in the tens and
On Sun, Aug 30, 2020 at 11:02:50AM -0500, Jules Richardson via cctalk wrote:
[...]
> I found it next to impossible to find information on what - if any -
> technology a particular SSD uses to extend lifespan; while manufacturers all
> compete on things like capacity and speed, very few of them
On Sun, Aug 30, 2020, 10:03 AM Jules Richardson via cctalk <
cctalk@classiccmp.org> wrote:
> On 8/28/20 12:40 PM, Al Kossow via cctalk wrote:
> > Also, I discovered recently that there is a maximum number of hours
> > measured in years on SSDs and systems will start throwing SMART
> > errors when
On 8/28/20 12:40 PM, Al Kossow via cctalk wrote:
Also, I discovered recently that there is a maximum number of hours
measured in years on SSDs and systems will start throwing SMART
errors when that is exceeded. I have a few doing that now on systems
with minimal writes but lots of hours.
There
I haven't worked on it in a while due to work commitments. But there is
this:
https://www.retrotronics.org/netpi-ide/
Though I've recently updated the design to use an iCE40, open toolchain,
and changed the form factor to be more of a module.
I need another board spin to make more
On 8/28/20 1:51 PM, David Bridgham via cctalk wrote:
> On 8/28/20 4:00 PM, Chuck Guzis via cctalk wrote:
>
>> Plenty of code libraries out there. Why dink around when silicon is
>> cheap? MCUs are everywhere; in many cases cheaper than discrete logic.
>
>
> Might have been better but I had
On Fri, 28 Aug 2020 at 18:07, Noel Chiappa via cctalk
wrote:
>
> After having a run of almost half a dozen IDE hard drive failures recently in
> a short period of time (on my older desktops which use them, I've decided that
> I should see if there's an IDE emulator (using SD cards)
SD (and the
On 8/28/20 4:00 PM, Chuck Guzis via cctalk wrote:
Plenty of code libraries out there. Why dink around when silicon is
cheap? MCUs are everywhere; in many cases cheaper than discrete logic.
Might have been better but I had the FPGA there anyway for other reasons
so I just connected a few
> On Aug 28, 2020, at 3:31 PM, Warner Losh via cctalk
> wrote:
>
>
>> On 8/28/20 1:10 PM, Paul Koning wrote:
>>
>> ...
>> One oddity I remember from a decade ago is that it has a high speed mode
>> where the clock speed is doubled. That's not strange. What's strange is
>> that when you
> On Aug 28, 2020, at 1:40 PM, Al Kossow via cctalk
> wrote:
>
> On 8/28/20 10:10 AM, Paul Koning via cctalk wrote:
>
>> SD is a packet based storage device on a serial interconnect
> You really do need SMART monitoring on solid-state storage
> which may or may not exist in the adapters.
On 8/28/20 10:07 AM, Noel Chiappa via cctalk wrote:
After having a run of almost half a dozen IDE hard drive failures
recently in a short period of time (on my older desktops which use
them, I've decided that I should see if there's an IDE emulator
(using SD cards) available I could switch to.
On 8/28/20 12:13 PM, David Bridgham via cctalk wrote:
> On 8/28/20 1:10 PM, Paul Koning wrote:
>
>> SD is a packet based storage device on a serial interconnect,
>> minimally one lane wide but it can also be four lanes (and that's
>> typically how you use it). Apparently it starts out in a SPI
On 8/28/20 3:31 PM, Warner Losh wrote:
There's some other speed increase (UHS) that comes along with also
dropping from 3.3V down to 1.8V. I don't know how to program
FPGAs to
do that or even know if they can.
I thought it was going from SPI mode to MMC mode that did this,
On Fri, Aug 28, 2020 at 1:14 PM David Bridgham via cctalk <
cctalk@classiccmp.org> wrote:
> On 8/28/20 1:10 PM, Paul Koning wrote:
>
> > SD is a packet based storage device on a serial interconnect, minimally
> one lane wide but it can also be four lanes (and that's typically how you
> use it).
On 8/28/20 1:10 PM, Paul Koning wrote:
SD is a packet based storage device on a serial interconnect, minimally one
lane wide but it can also be four lanes (and that's typically how you use it).
Apparently it starts out in a SPI compatible mode, interesting. Also, SD
requires a rather
On Fri, Aug 28, 2020 at 11:41 AM Al Kossow via cctalk
wrote:
> On 8/28/20 10:10 AM, Paul Koning via cctalk wrote:
>
> > SD is a packet based storage device on a serial interconnect
> You really do need SMART monitoring on solid-state storage
> which may or may not exist in the adapters. SSDs
On Fri, Aug 28, 2020 at 11:10 AM Paul Koning via cctalk <
cctalk@classiccmp.org> wrote:
>
>
> > On Aug 28, 2020, at 12:15 PM, David Bridgham via cctalk <
> cctalk@classiccmp.org> wrote:
> >
> >
> >> in an online search - the CFADPTHD seems like it's close to what I'd
> want,
> >> except it's
I've standardized on, and been happy with these:
https://www.aliexpress.com/item/4000415725711.html
There's a lot of vendors that sell them, including on ebay and Amazon. I
haven't really had any problem with those adapters, including on native ISA
IDE controllers and XT-IDE.
There's IDE to CF
On 8/28/20 10:10 AM, Paul Koning via cctalk wrote:
SD is a packet based storage device on a serial interconnect
You really do need SMART monitoring on solid-state storage
which may or may not exist in the adapters. SSDs will silently
fail if they run out of sectors to write to.
Also, I
On 8/28/20 9:07 AM, Noel Chiappa via cctalk wrote:
After having a run of almost half a dozen IDE hard drive failures recently in
a short period of time
what brand/model drives have been failing?
> On Aug 28, 2020, at 12:15 PM, David Bridgham via cctalk
> wrote:
>
>
>> in an online search - the CFADPTHD seems like it's close to what I'd want,
>> except it's Compact Flash; I'd have preferred SD but I guess converting
>> their interface to IDE is more work.
>
>
> Yeah, I think
Check to see if JMicron's sata(drive) to ide(host) is suitable to your
need. They also come with bi-directional switch to select which end goes to
the mainboard. ypu can connect a big ssd or a sata to M2 adapter. But be
aware they have two problems:
- they need +5V power supply, either from the
On Fri, Aug 28, 2020 at 10:19 AM Al Kossow via cctalk
wrote:
> On 8/28/20 9:07 AM, Noel Chiappa via cctalk wrote:
> > I've decided that
> > I should see if there's an IDE emulator (using SD cards) available I
> could
> > switch to.
> You may want to use PATA disk-on-module.
>
There's also a
On 8/28/20 9:07 AM, Noel Chiappa via cctalk wrote:
I've decided that
I should see if there's an IDE emulator (using SD cards) available I could
switch to.
You may want to use PATA disk-on-module.
> in an online search - the CFADPTHD seems like it's close to what I'd want,
> except it's Compact Flash; I'd have preferred SD but I guess converting
> their interface to IDE is more work.
Yeah, I think Compact Flash actually uses the IDE protocol just with a
different form-factor while SD
After having a run of almost half a dozen IDE hard drive failures recently in
a short period of time (on my older desktops which use them, I've decided that
I should see if there's an IDE emulator (using SD cards) available I could
switch to. (I'm not sure why I had so many failures in such a
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