Specifications

Memory Portables - 16
PowerBook 1400
Series
The information presented
here is valid for PowerBook:
• 1400cs
• 1400c
• 1400c/133
• 1400cs/133
• 1400c/166
• 1400cs/166
The PowerBook 1400 ships
with a minimum of 12 MB of
low-power DRAM. You can
expand the memory to a total
of 64 MB using TSOP low-
profile RAM chips rated at 70
ns or faster.
Factory
RAM
Microprocessor
Daughterboard
Customer
RAM
Note: Apple does not supply 32 MB PSRAM
Expansion Cards; however, they are
available from third-party vendors.
Note: A minimum of 16 MB RAM is
provided in PowerBooks 1400cs/133,
1400c/166, and 1400cs/166.
Memory Information
RAM Speed 70 ns
Minimum RAM 8 MB or 16 MB
Supported Sizes in MB 4, 8, 12, 20,
32
Maximum RAM 64 MB
Virtual Memory 1 GB
Soldered VRAM 1 MB
Number of VRAM Slots N/A
DRAM Configurations
12 MB The PowerBook 1400 minimum
configuration has 8 MB of
factory DRAM and a 4 MB RAM
card in the customer RAM slot.
16 MB The 16 MB configuration has 8
MB of customer DRAM and an 8
MB RAM card in the factory
RAM slot.
24 MB Upgrade the 16 MB
configuration by installing an 8
MB RAM card in the customer
RAM slot.
32 MB Upgrade the 16 MB
configuration by installing two
8 MB RAM cards in the
customer RAM slot.