20 February 2007, 20:11 | #1 |
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Converting PCMCIA types
heys there
I am currently wondering if it is possible to convert between types of PCMCIA cards... specificially DRAM and SRAM cards... recently I have scored a few cards PCMCIA from here and there, I was hoping that atleast one might be compatible with the PCMCIA port of the A600. alas the pins donot line up. I have a 2MB sram card that has 68pin neatly 2 rows of 34 and works okay with the a600, I want to increase the amount of ram to atleast 4mb for testing purposes.. I have 4 other cards ( 2rows of 34 staggerd! ) 4MB low power DRAM ( Kelly Micro Systems ) 8MB low power DRAM ( new media corporation ) 8MB low power DRAM ( STT4600/8 Toshiba ) 32MB DRAM ( Smart Modular Technologies ) -PF125465-10 Code:
Pin Assignments The pin assignments for 16-Bit PC Card and 32-Bit CardBus interfaces are given here. +================================================================+ | Pin Assignments For The PC Card And Cardbus Interfaces | +---+-----------------+---------+-----+-----------------+--------+ | | 16-Bit | 32-bit |$| | 16-Bit | 32-bit | | +-----------------+ |$| +--------+--------+ + |Pin| Memory |I/O+Mem |CardBus |$| Pin| Memory |I/O+Mem |CardBus | +===+========+========+========+$+====+========+========+========+ |1 |GND |GND |GND |$| 35 |GND |GND |GND | |2 |D3 |D3 |CAD0 |$| 36 |CD1# |CD1# |CCD1# | |3 |D4 |D4 |CAD1 |$| 37 |D11 |D11 |CAD2 | |4 |D5 |D5 |CAD3 |$| 38 |D12 |D12 |CAD4 | |5 |D6 |D6 |CAD5 |$| 39 |D13 |D13 |CAD6 | +---+--------+--------+------- |$| ---+--------+--------+--------+ |6 |D7 |D7 |CAD7 |$| 40 |D14 |D14 |RSRVD | |7 |CE1# |CE1# |CCBE0# |$| 41 |D15 |D15 |CAD8 | |8 |A10 |A10 |CAD9 |$| 42 |CE2# |CE2# |CAD10 | |9 |OE# |OE# |CAD11 |$| 43 |VS1# |VS1# |CVS1 | |10 |A11 |A11 |CAD12 |$| 44 |RSRVD |IORD# |CAD13 | +---+--------+--------+------- |$| ---+--------+--------+--------+ |11 |A9 |A9 |CAD14 |$| 45 |RSRVD |IOWR# |CAD15 | |12 |A8 |A8 |CCBE1# |$| 46 |A17 |A17 |CAD16 | |13 |A13 |A13 |CPAR |$| 47 |A18 |A18 |RSRVD | |14 |A14 |A14 |CPERR# |$| 48 |A19 |A19 |CBLOCK# | |15 |WE# |WE# |CGNT# |$| 49 |A20 |A20 |CSTOP# | +---+--------+--------+------- |$| ---+--------+--------+--------+ |16 |READY |IREQ# |CINT# |$| 50 |A21 |A21 |CDEVSEL#| |17 |Vcc |Vcc |Vcc |$| 51 |Vcc |Vcc |Vcc | |18 |Vpp1 |Vpp1 |Vpp1 |$| 52 |Vpp2 |Vpp2 |Vpp2 | |19 |A16 |A16 |CCLK |$| 53 |A22 |A22 |CTRDY# | |20 |A15 |A15 |CIRDY# |$| 54 |A23 |A23 |CFRAME# | +---+--------+--------+------- |$| ---+--------+--------+--------+ |21 |A12 |A12 |CCBE2# |$| 55 |A24 |A24 |CAD17 | |22 |A7 |A7 |CAD18 |$| 56 A25 |A25 |CAD19 | |23 |A6 |A6 |CAD20 |$| 57 |VS2# |VS2# |CVS2 | |24 |A5 |A5 |CAD21 |$| 58 |RESET |RESET |CRST# | |25 |A4 |A4 |CAD22 |$| 59 |WAIT# |WAIT# |CSERR# | +---+--------+--------+------- |$| ---+--------+--------+--------+ |26 |A3 |A3 |CAD23 |$| 60 |RSRVD |INPACK# |CREQ# | |27 |A2 |A2 |CAD24 |$| 61 |REG# |REG# |CCBE3# | |28 |A1 |A1 |CAD25 |$| 62 |BVD2 |SPKR# |CAUDIO | |29 |A0 |A0 |CAD26 |$| 63 |BVD1 |STSCHG# |CSTSCHG | |30 |D0 |D0 |CAD27 |$| 64 |D8 |D8 |CAD28 | +---+--------+--------+------- |$| ---+--------+--------+--------+ |31 |D1 |D1 |CAD29 |$| 65 |D9 |D9 |CAD30 | |32 |D2 |D2 |RSRVD |$| 66 |D10 |D10 |CAD31 | |33 |WP |IOIS16# |CCLKRUN#|$| 67 |CD2# |CD2# |CCD2# | |34 |GND |GND |GND |$| 68 |GND |GND |GND | +===+========+========+========+=+====+========+========+========+ |
20 February 2007, 22:50 | #2 |
Thalion Webshrine
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two rows of staggered pins are NOT PCMCIA they are this strange hybrid design I am sure. Used on some laptops before PCMCIA became common. It is difficult to get the vendors to admit that they are not PCMCIA.
I would appreciate photo's of the cards that dont work so we can put together some sort of list. |
20 February 2007, 22:55 | #3 |
Ya' like it Retr0?
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if only i could find the pinouts of these hybrids, you never know alexh... a bridge board could be made...
although i doubt it would just be a passive solution it would be an interesting exercise me thinks... when i get some time i will take some pictures |
20 February 2007, 23:13 | #4 |
Amiga-less!
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I thought the pcmcia slot could only handle 4mb of memory regardless of its type.
Interesting if you got something working. 32mb via pcmcia slot hmmmm |
21 February 2007, 00:18 | #5 |
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I doubt that could happen my friend, I dont believe the addressing space on the A6/12 pcmcia port can go that high... i think maximum is 8MB ... or was it 16... hmmm i have to hit the hayens manual
but still any would be nice... |
21 February 2007, 09:26 | #6 |
Thalion Webshrine
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The maximum address space without paging is 4Mbytes
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21 February 2007, 12:47 | #7 |
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there ya go... 4MB!
thankies alexh! |
21 February 2007, 13:17 | #8 | |
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Quote:
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21 February 2007, 13:53 | #9 |
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I think you guys ought to channel your efforts towards a clip-onto-cpu 8MB expansion and forget the slow sram cards.. :-)
Aminet has a good starting point here: http://aminet.net/package/hard/hack/hddmem_exp_a50 |
21 February 2007, 16:47 | #10 |
A-Collector, repairments
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I will shot mine which isnt pcmcia but have same size, just as warning...
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21 February 2007, 16:54 | #11 | |
Thalion Webshrine
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Quote:
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21 February 2007, 17:13 | #12 | |
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Quote:
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21 February 2007, 22:26 | #13 |
Ya' like it Retr0?
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@jope
now there something to have a little fun with in the summer hols! @alexh if only i could get my mits on the toshiba hybrid pcmcia pinouts!!!! |
23 February 2007, 02:16 | #14 |
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hmmmm
I dont seem to be having much luck finding a toshiba reference to thier *hybrid pcmcia design... anyone got any ideas? |
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