Specifications

Memory Portables - 10
PowerBook
190/190cs
The PowerBook 190 and
190cs come with either 4 or
8 MB of RAM soldered onto
the main logic board, one
expansion slot each, and are
expandable to 36 or 40 MB of
RAM respectively.
Note:
The PowerBook 190 (with the video-
out upgrade) has 512K of VRAM soldered on
a video card for supporting external
displays. The PowerBook 190 (with the
video-out upgrade) has two separate sets of
VRAM to support the internal and external
displays.
Memory Information
RAM Speed 70 ns
Soldered RAM 4 or 8 MB
Supported Sizes in MB 4, 8, 16, 32 MB
Maximum RAM 36/40 MB
Virtual Memory 1 GB
Soldered VRAM See VRAM Note
Number of VRAM Slots See VRAM Note
VRAM Note:
The highest bit depth available
for external displays at either 640x480 or
832x624 resolutions is 8 bits per pixel
unless you expand the VRAM by replacing the
Apple video-out card with a third-party
video expansion card product. If the VRAM on
the third-party video card is 1 MB, the
computer will be able to output 16-bits per
pixel on an external display.
DRAM Configurations
4/8 MB The PowerBook 190 and 190cs
come with either 4 or 8 MB of
RAM soldered on the main logic
board.
Up to
36/40
MB
Install a 4, 8, 16 or 32 MB
Expansion Card.