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Some news
Posted by: Jace Sep,01.2005-19:31 

the network controller is an asix ax88796 which is ne2000 compatible. linux and freebsd drivers available.

datasheet: http://www.asix.com.tw/FrootAttach/datasheet/Ax88796.pdf

the usb controller is the philips isp1161a

datasheet: http://www.philips.semiconductors.com/acrobat/datasheets/ISP1161A1-03.pdf

i believe there are are open source drivers available.

the ide is a custom device, but provides the standard register set, if someone was serious about writing a driver for it then details could be made available.

there is also memory mapped flash (2M as standard) on the card for storing drivers or general usage, on RISC OS this lets us start the machine with our drivers inserted in the OS, and boot from any attached device.


they're not that different in the signals that they use. pin out is as follows.

pin a b c

1 0V D[0] 0V
2 LA[15] D[1] -5V
3 LA[14] D[2] 0V
4 LA[13] D[3] 0V
5 LA[12] D[4] SPVMD supervisor mode
6 LA[11] D[5] bar MS
7 LA[10] D[6] CPA coprocessor absent
8 LA[9] D[7] CPB coprocessor busy
9 LA[8] D[8] CPI coprocessor instruction
10 LA[7] D[9] OPC op-code fetch
11 LA[6] D[10] PHI2 ARM phase 2 clock
12 LA[5] D[11] bar RST
13 LA[4] D[12] PR/bar W
14 LA[3] D[13] bar PWE
15 LA[2] D[14] bar PRE
16 BD[15] D[15] bar PIRQ
17 BD[14] D[16] bar PFIQ
18 BD[13] D[17] reserved
19 BD[12] D[18] C1
20 BD[11] D[19] C0
21 BD[10] D[20] bar EXTPS
22 BD[9] D[21] bar PS
23 BD[8] D[22] bar IOGT
24 BD[7] D[23] bar IORQ
25 BD[6] D[24] bar BL
26 BD[5] D[25] 0V
27 BD[4] D[26] CLK2
28 BD[3] D[27] CLK8
29 BD[2] D[28] REF8M
30 BD[1] D[29] +5V
31 BD[0] D[30] DBE ARM data bus enable
32 +5V D[31] +12V








[All messages in this thread]    [Start new thread]

Topic Posted by  Date 
USB/Ethernet card earx Aug,30.2005-14:51
  Re: USB/Ethernet card earx Aug,30.2005-14:52
    Re: USB/Ethernet card vlg Aug,31.2005-11:35
  Re: USB/Ethernet card VLG Aug,31.2005-11:37
    Re: USB/Ethernet card sqward Aug,31.2005-12:28
      Re: USB/Ethernet card gwEm Aug,31.2005-13:53
      Re: USB/Ethernet card earx Aug,31.2005-15:47
        Re: USB/Ethernet card vlg Aug,31.2005-17:34
          Re: USB/Ethernet card Jace Sep,01.2005-17:43
            Some news Jace Sep,01.2005-19:31
              Re: Some news ray Sep,01.2005-21:12
                Re: Some news AcornUser Sep,05.2005-09:32


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