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echo: os2prog
to: Rob Landley
from: John Poltorak
date: 1995-03-14 21:29:38
subject: OS/2 16MB barrier

Friday March 10 1995, Rob Landley writes to John Poltorak:

 RL> When you have LESS than 16 megs of memory, what does rmview say about the
 RL> driver?  (is the DMA 32 bit or not?)

I had never previously come across rmview, and don't really understand what
it is telling me, but here's part of the output:-

      Adapter: DMA_CTLR_0

      Device Type: PERIPH-DMA     Bus/Width: PLANAR 16 BIT

        I/O = 0000  Len =   2  Flg = EXCLUSIVE   Addr Lines = 16

        I/O = 0X000C  Len =   4  Flg = EXCLUSIVE   Addr Lines = 16

[...]

      Adapter: DMA_CTLR_1

      Device Type: PERIPH-DMA     Bus/Width: PLANAR 16 BIT

        I/O = 0X00C0  Len =   4  Flg = EXCLUSIVE   Addr Lines = 16

        I/O = 0X00D0  Len =  16  Flg = EXCLUSIVE   Addr Lines = 16

[...]

this is with 16MB on board, and an IBM SCSI with cache adapter.

John

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