Sinclair QL - Page 235

ROM
cartridge slot
Allows software to be used in the OL system from a Sinclair OL ROM cartridge. The
ROM cartridge can contain software to directly change the behaviour of the SuperBASIC
system. The cartridge can contain: .
i. Software to be used instead of or with the SuperBASIC system. For example:
assemblers
compilers
debuggers
application software
etc
Ii. Software to expand the SuperBASIC system. For example:
special procedures
etc.
It is not possible to use ZX ROM cartridges on the OL.
•
pin out
A12
A7
A6
M
SLOT
M
f>3
A2
A1
MJ
DO
01
02
GNO
a
1 b
a
2
b
a
3
b
a
4
b
a
5 b
a
6
b
a
7
b
a
8
b
a
9 b
a
10 b
a
11
b
a
12 b
a
13 b
a
14
b
a
15
b
VOO
A14
A13
A6
A9
SLOT
A11
ROMOEH
A10
A15
07
06
05
04
03
•
Side b is the upper side of the connector; side a is the lower
Never plug or unplug a ROM cartridge while the OL power
is on.
warning
Signal
AO .. A15
00 .. 08
ROMOEH
VOO
GNO
Function
Address lines
'Oata lines
ROM Output Enable
5V
Ground
•