Instruction Manual

(Refer to"Opening the case".) Toreplace the battery, follow these steps:
1.Locate the battery onthe motherboard.
Refer tothe motherboard illustration tolocate the battery. Gently pull the battery free from
its socket, taking care tonote the "+" and "–" orientation of the battery.
2.Pinch the two notches together until the battery partially pops out.
3.Install the new battery in the socket.
4.Reassemble the computer and turn it back on.
5.Run the Setup program and reset the system time and date.
Dispose of used batteries in asafe, environmentally responsible manner. The literature that
comes with the computer may include an insert about disposing of batteries. If not, check with
your local government for information onwhere torecycle or dispose of old batteries. If you
cannot find the information you need, contact Toshiba for assistance. See the Product Support
appendix for ways tocontact Toshiba.
Expansion memory
The DRAM controller supports a72-bit memory data interface. It can also support 64-bit or
72-bit wide DIMM modules with or without ECC/ EC.
Location of the
RAM DIMM
sockets
Synchronous DRAM (SDRAM) is supported. Memory can be configured in 1Mx64/72,
2MBx64/72, 4MBx64/72, 8MBx64/72 and 16MBx64/72 single- density DIMM modules
and up to32MBx64/72 double- density DIMM modules.
The 3100Series supports SDRAM at 100MHz.
The main memory interface provides two 168-pin DIMM sockets, DIMM0and DIMM1. This
allows system memory from 8MB to512MB of SDRAM.
The DIMM sockets support single- or double- sided unbuffered DIMM modules. The installed
DRAM type can be 8MB, 16MB, 32MB, 64MB, 128MB or 256MB DIMMs.
The DRAM controller uses the JEDEC standard serial presence detect mechanism todetect
memory and array configuration. No jumper settings are required for the memory size or type;
memory is automatically detected by the system BIOS.
3100 Series series computers are shipped with SDRAM.
3100Series memory configurations
The following shows some typical memory configurations:
DIMM sizeNonparity configurationParity and ECC
configuration
32 MB8 x 328 x 36