Quadra 900/950

Memory Information
RAM Speed
SIMM type
On Board RAM
Number of SIMM Slots
Supported sizes in MB
Maximum RAM
Virtual Memory
On Board VRAM
Number of VRAM slots
80ns
30 pin
none
16
1, 4, 16*
128MB
1GB
1MB
4
Notes
The Quadra 900/950 has 16 SIMM slots as shown in two columns above. Each bank of four SIMM slots is comprised of two slots in each column.

You must completely fill a bank of four slots when expanding memory.

* 16MB SIMMs have not been tested and are not officially supported on the Quadra900/950.

DO NOT USE COMPOSITE SIMMS IN THE QUADRA 900/950!

32-BIT Information
This system has 32-bit-clean ROMs allowing it to take advantage of more than 8MB of physical RAM under System 7 by enabling 32 bit addressing in the Memory Control Panel.
VRAM Information
The Quadra 900/950 can be expanded to a maximum of 2MB of VRAM by adding up to four 256k VRAM SIMMs rated at 80ns or faster.


Please send any comments on this page to:
G.Mills@compserv.gla.ac.uk
(George W. Mills, Computing Service, University of Glasgow)