9845B/C
Peripherals
7ยท5
3.
98770A Color CRT.
d.
9845C Option
2XX.
This option requires: (9845BiC-10A).
1.
Enhanced Graphics
ROM
98780-65501
and
mainframe
ROM
pair 1818-1591
and
1818-1592.
2.
Alpha Control A34 (98770-66534).
3.
98770A Color CRT.
e.
9845B Option
1XX
with 98403A Fast Processor Upgrade
Kit.
This option requires:
(9845B/C-1
OA).
1.
Graphics
ROM
09845-65517 and mainframe
ROM
pair 1818-0835
and
1818-
0831.
2.
Left Support
A3
(09845-66503).
3. Graphics Scanner A77 (09845-66577).
4.
Graphics Memory A79 (09845-66579).
6.
Assembly Development and Executing
ROM.
This
ROM
requires a PPU processor board with an
AEC
chip manufactured after July
1979 (9845B/C-10).
7.
DBM
ROM.
Use of this
ROM
requires the following configuration:
a.
Revision C
or
later 10
ROM
(PPU side) (9845B/C-10).
b.
Revision D or later Block 5 Address 40K
ROM
pair (9845B/C-5).
c.
Revision B or later Mass Storage
ROM
for
all
mass storage devices except 9895,
which requires Revision C or later (9845-10).
d.
If the mass storage device
is
a 9885, then the following
is
required:
1.
98032A must have correct one shot timing (9845B/C-8).
2.
9885M/S must have
A4
board changes per 9885M/S-4A and
-5A.
I