FAQ grupy comp.sys.atari.8bit:
- Newell Newell Ind. 4096k
4000-7FFF 0,1,2,3,4,5,6,7 B ($D301)
Banks: 00,01,02,03,04,05,06,07,08,09,0A,0B,0C,0D,0E,0F
10,11,12,13,14,15,16,17,18,19,1A,1B,1C,1D,1E,1F
20,21,22,23,24,25,26,27,28,29,2A,2B,2C,2D,2E,2F
30,31,32,33,34,35,36,37,38,39,3A,3B,3C,3D,3E,3F
40,41,42,43,44,45,46,47,48,49,4A,4B,4C,4D,4E,4F
50,51,52,53,54,55,56,57,58,59,5A,5B,5C,5D,5E,5F
60,61,62,63,64,65,66,67,68,69,6A,6B,6C,6D,6E,6F
70,71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F
80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F
90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F
A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF
B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF
C0,C1,C2,C3,C4,C5,C6,C7,C8,C9,CA,CB,CC,CD,CE,CF
D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF
E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF
F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,FA,FB,FC,FD,FE,FF
Notes: uses 8 pc. 4Mx1 Chips (541000-80); made by Newell, later by
FTE; seems to be very incompatible to existing software and
bankswitching cartridges (OSS, Atari, etc.), because normal RAM at
4000-7FFF is NOT available - only extra Ram/Ramdisk banks. With one
PIA chip there is simply no bit left to switch between main RAM and
extra RAM / Ramdisk. But with the installation of a second PIA chip
one would be able to do so. Furthermore one may use (almost) any
setup or banks he likes then (with a second PIA chip one could
control up to 256 Megabytes of RAM). Basic: To be able to select the
internal Basic, connect a toggle switch between ground and the
motherboard where PB1 was removed (PIA `Hole' 11). The switch is not
much different than the Option Key, and I found it more versatile.
(Wes Newell); OS: It is possible to maintain OS bankink using 4 Megs.
It requires moving the OS into RAM before any banking of that Bit
occurs. Use MOVEOS File on the [Newell-Software-] Disk. (Wes Newell)
Atari Basic: no! XL/XE Selftest: no (?) Antic access: no!
A ze to popieprzone, to sie zgadzam 8)