Toshiba Portege M100 Maintenance Manual page 23

1 Hardware Overview
q PC Card Controller:
YEBISU3S
Features:
– PCI Interface (PCI Rev. 2.2)
– CardBus Controller (Yenta2 Ver. 2.2)
– SD IO card controller (Ver. 1.0)
– SD card controller (SDHC Ver. 1.2)
– SIO controller
– Docking Station Interface
Q-SW control, Rest control
– External Device Interface
q VGA Controller: inside in the North Bridge.
q Memory
Two DDR SO-DIMM slots are available for 128,256,512MB and 1GB memory
modules, consisting of SDRAM chips.
Supports CL2/2.5
Supports PC2100
128/256/512 MB, 1GB selectable
– 128MB: 256Mbit (16M 16bit) chips 4
– 256MB: 256Mbit (16M 16bit) chips 8
– 512MB: 512Mbit (32M 16bit) chips 16
– 1GB:
q Super I/O
One SMSC LPC47n227-MN-B is used.
q IPSC
TWM7000 (HOSIDEN made)
q KBC/EC (Keyboard Controller/Embedded Controller)
One M306K7F8LRP chip functions as both KBC and EC.
q PSC (Power Supply Controller)
One TMP87PM48U chip is used.
This controller controls the power sour ces.
1-8
512Mbit (64M 8 bit) chips 16
1.2 System Unit Block Diagram
PORTEGE M100 Maintenance Manual (960-452)