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Old 05 July 2018, 11:35   #61
Methanoid
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Some questions for spidi

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Originally Posted by spidi View Post
Wicher 500i Ex overclocking to 60MHz

[ Show youtube player ]
Q1: MVG video said he couldnt get his stable over 35MHz and I have heard suggestions it depends on Ram as well as CPU. What advice can you offer for spec of Ram to buy and CPU to buy? If the board can run 50MHz (or more) would be nice to use it!

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First tests of ENC28J60 ethernet controller with Wicher 500i and a small TCP/IP stack.

Next step, driver for AmiTCP/Miami

[ Show youtube player ]
Q2: How is the driver coming? For me the SPI and possibility of adding LAN is very worthwhile and makes Wicher better than HC533 etc.

Q3: Is 8Mb the Max memory or if more works any advice as to what SIMM spec we need to source? I see options RAS13/BIGRAM but experimental?

Q4: I see lowest CPU speed is 12MHz, could we get 7MHz (effectively back to standard A500 speed) also?
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Old 08 July 2018, 14:57   #62
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60MHZ with a 68000.. wow thats a record. Can you tell me the mask of the 68000 ?
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Old 10 July 2018, 10:51   #63
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Quote:
Originally Posted by Methanoid View Post
Q1: MVG video said he couldnt get his stable over 35MHz and I have heard suggestions it depends on Ram as well as CPU. What advice can you offer for spec of Ram to buy and CPU to buy? If the board can run 50MHz (or more) would be nice to use it!
It is best to use memory with 50ns access time.
You can also find 60ns memories that work stably at 50MHz.
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Q2: How is the driver coming? For me the SPI and possibility of adding LAN is very worthwhile and makes Wicher better than HC533 etc.
There is currently a driver available for SD cards. Work is in progress to prepare the driver for popular modules with ENC28J60 chip.
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Q3: Is 8Mb the Max memory or if more works any advice as to what SIMM spec we need to source? I see options RAS13/BIGRAM but experimental?
Wicher 500i rev.2, rev2a and rev2b provides only 8MB for the operating system. The BIGRAM option allows you to get 8MB of RAM in the SIMM module 16,32,64,128MB (this is the reason for detecting such modules).
However, Wicher 500i version rev.2c can provide 12MB RAM for the operating system.

The RAS13 option is intended for two-sided SIMM modules.
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Q4: I see lowest CPU speed is 12MHz, could we get 7MHz (effectively back to standard A500 speed) also?
The software for Wicher 500i allows you to set the 7MHz frequency.
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Old 10 July 2018, 10:55   #64
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Quote:
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60MHZ with a 68000.. wow thats a record. Can you tell me the mask of the 68000 ?
This is not a record. I saw a movie on which someone overclocked the MC68HC000 to 66MHz.
My processor is MC68HC000FN12 3E72N QQBX9908
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Old 10 July 2018, 11:14   #65
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Quote:
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However, Wicher 500i version rev.2c can provide 12MB RAM for the operating system. The RAS13 option is intended for two-sided SIMM modules. The software for Wicher 500i allows you to set the 7MHz frequency.
Great.. sounds like it has everything I could want... When do we expect to see Rev2c for sale?
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Old 11 July 2018, 00:32   #66
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Great.. sounds like it has everything I could want... When do we expect to see Rev2c for sale?
First batch was sent to the stor.
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Old 12 July 2018, 11:04   #67
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Hi Spidi,

Just got a 500i installed in my precious A500, and I love it I just need now to start looking at a way to add net connectivity, ant it’ll be heaven on earth !

ABout the new model : will there be a way to flash the new firmware to the current cards, or are they physically different (and thus fixed in their firmware release) ?
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Old 13 July 2018, 13:56   #68
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First batch was sent to the stor.
Hopefully we dont have to wait for them to sell the older cards first before these come online
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Old 14 July 2018, 01:25   #69
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Hi Spidi,

Just got a 500i installed in my precious A500, and I love it I just need now to start looking at a way to add net connectivity, ant it’ll be heaven on earth !
I'm working on an ethernet driver.

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ABout the new model : will there be a way to flash the new firmware to the current cards, or are they physically different (and thus fixed in their firmware release) ?
Unfortunately, downloading a new firmware is not enough. There are differences on the PCB and some new features will not work properly.
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Old 18 July 2018, 14:26   #70
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Hi Spidi,

I was watching MVGs video and he swapped his Kick1.3 with SCSI patch for 3.1 as it was recommended. Do you know if Wicher will boot a CF card with a SCSI-patched Kickstart 1.3 as I would like to install a dual Kickstart with 1.3 and 3.1 both with SCSI

Thanks
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Old 18 July 2018, 15:28   #71
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Quote:
Originally Posted by Methanoid View Post
Hi Spidi,

I was watching MVGs video and he swapped his Kick1.3 with SCSI patch for 3.1 as it was recommended. Do you know if Wicher will boot a CF card with a SCSI-patched Kickstart 1.3 as I would like to install a dual Kickstart with 1.3 and 3.1 both with SCSI

Thanks
It currently does not but according to his last twitter post he is working on it
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Old 18 July 2018, 17:24   #72
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Quote:
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It currently does not but according to his last twitter post he is working on it
Doh, didn't put 2+2 together.. you're MVG of course... I have my 16Mb 50ns SIMM sitting here and 20MHz 68000 on way. I'd like to max my performance, hopefully getting to 50 MHz.
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Old 19 July 2018, 18:07   #73
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Quote:
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Doh, didn't put 2+2 together.. you're MVG of course... I have my 16Mb 50ns SIMM sitting here and 20MHz 68000 on way. I'd like to max my performance, hopefully getting to 50 MHz.
im sure you will. i love this card
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Old 20 July 2018, 00:11   #74
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Spidi. MVG has a RTC in his Wicher but Rev2c you removed the RTC? Why? SPI RTC is fine but if I use SPI for Ethernet can I also use for RTC??

Sent from my Redmi Note 4 using Tapatalk
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Old 20 July 2018, 01:02   #75
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Quote:
Originally Posted by Methanoid View Post
Hi Spidi,

I was watching MVGs video and he swapped his Kick1.3 with SCSI patch for 3.1 as it was recommended. Do you know if Wicher will boot a CF card with a SCSI-patched Kickstart 1.3 as I would like to install a dual Kickstart with 1.3 and 3.1 both with SCSI

Thanks
I'm working on it. Currently adjusting the Wicher command to work with Kickstart 1.3
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Old 20 July 2018, 01:10   #76
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Quote:
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Spidi. MVG has a RTC in his Wicher but Rev2c you removed the RTC? Why? SPI RTC is fine but if I use SPI for Ethernet can I also use for RTC??

Sent from my Redmi Note 4 using Tapatalk

Not everyone wants to have RTC. You can connect up to 4 different modules to the SPI bus.
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Old 21 July 2018, 14:09   #77
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Quote:
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Not everyone wants to have RTC. You can connect up to 4 different modules to the SPI bus.
Will this just work then? https://www.ebay.co.uk/itm/201629913836 If so I will buy one to join my network module while I wait for Rev2C to ship.

How do I run two or more SPI modules then? Any special connectors needed?
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Old 22 July 2018, 01:06   #78
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Quote:
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Will this just work then? https://www.ebay.co.uk/itm/201629913836 If so I will buy one to join my network module while I wait for Rev2C to ship.
DS3234 is currently not supported, no driver. I need to get a module and write a driver.
At the moment there are drivers for DS1306.



Quote:
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How do I run two or more SPI modules then? Any special connectors needed?

Here is information https://retro.7-bit.pl/?lang=en&go=p...I500I2C#tabs-3
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Old 22 July 2018, 17:19   #79
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Quote:
Originally Posted by spidi View Post
DS3234 is currently not supported, no driver. I need to get a module and write a driver.
At the moment there are drivers for DS1306.

Here is information https://retro.7-bit.pl/?lang=en&go=p...I500I2C#tabs-3
Ds1306 needs a board building.. DS3234 board with coin cell receptacle costs €5

Will there be some sort of daughterboard to connect these SPI devices to?
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Old 23 July 2018, 17:08   #80
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First batch Wicher500i rev.2c is now available in the Alinea store
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