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Service Hints & Tips

Document ID: YAST-3JRKMU

TP 310,315 - Memory Checkout

Applicable to: World-Wide

Memory Checkout
Optional DIMMs are available for increasing memory capacity. The following tables show the possible combinations of installed DIMMs.

DIMM	DIMM	Total Memory	DIMM	DIMM	Total Memory
0MB	0MB	0MB	16MB	16MB	32MB
8MB	0MB	8MB	32MB	0MB	32MB
0MB	8MB	8MB	0MB	32MB	32MB
8MB	8MB	16MB	32MB	8MB	40MB
16MB	0MB	16MB	8MB	32MB	40MB
0MB	16MB	16MB	32MB	16MB	48MB
16MB	8MB	24MB	16MB	32MB	48MB
8MB	16MB	24MB	32MB	32MB	64MB

Warning:
This system will not work without DIMM memory installed.
Memory errors might stop system operation, show error messages on the screen, or hang the system.
Use the following procedure to isolate memory problems:

Note:
Make sure that the DIMM is properly installed into the connector. A loose connection can cause an error.
1. Power-off the computer and replace the DIMM.
2. Boot from the diagnostics diskette and start the PQA program (refer to "Running PQA Diagnostics Program" on page 30 of the HMM).
3. Select Memory to run the memory test.

If no error appears, install a new DIMM; if an error appears, contact an authorized servicer to replace the system board.

System Programs in Flash Memory:
System setup programs are stored in flash memory.

Flash Memory Update:
A flash memory update is required for the following conditions:
New versions of system programs.
New features or options are added.

To update the flash memory, do the following:
1. Get the appropriate diskette containing the update.
2. Insert the System Program Service Diskette into drive A: and power-on the computer.
3. Select Update system programs from the menu.

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	07-07-97
	Last Updated	19-08-98
	Revision Date	18-08-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 310, ThinkPad 315
	Machine Type	2600
	Model	Various
	TypeModel
	Retain Tip (if applicable)
	Reverse Doclinks and Admin Purposes