05 July 2018, 11:35 | #61 | |
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Some questions for spidi
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! Quote:
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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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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10 July 2018, 10:51 | #63 | |||
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Quote:
You can also find 60ns memories that work stably at 50MHz. Quote:
Quote:
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. |
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10 July 2018, 10:55 | #64 |
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10 July 2018, 11:14 | #65 |
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Great.. sounds like it has everything I could want... When do we expect to see Rev2c for sale?
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11 July 2018, 00:32 | #66 |
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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) ? |
13 July 2018, 13:56 | #68 |
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14 July 2018, 01:25 | #69 | |
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Quote:
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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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 |
18 July 2018, 15:28 | #71 | |
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Quote:
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18 July 2018, 17:24 | #72 |
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19 July 2018, 18:07 | #73 |
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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??
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20 July 2018, 01:02 | #75 | |
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Quote:
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20 July 2018, 01:10 | #76 | |
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Quote:
Not everyone wants to have RTC. You can connect up to 4 different modules to the SPI bus. |
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21 July 2018, 14:09 | #77 | |
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How do I run two or more SPI modules then? Any special connectors needed? |
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22 July 2018, 01:06 | #78 | ||
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Quote:
At the moment there are drivers for DS1306. Quote:
Here is information https://retro.7-bit.pl/?lang=en&go=p...I500I2C#tabs-3 |
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22 July 2018, 17:19 | #79 | |
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Will there be some sort of daughterboard to connect these SPI devices to? |
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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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