ALR Optima2 DT

System Board (PCB# 9436)

Jumper Settings

Ram Expansion Chart

Depending on the model, Optima2 systems come with 16-MB of memory. (Refer to Standard System Specifications in your OnLine Guide to find out how much memory came with your system.) System memory is upgradable to 256-MB. When adding RAM to your system, use only ALR-approved SIMMs.

RAM Expansion Chart

Refer to the table below to configure your RAM correctly. You must use SIMMs of the same type and speed in each occupied bank.

Bank A(2) SIMMs/Bank Bank B(2) SIMMs/Bank Total Memory
1M x 32/36 (4-MB) 1M x 32/36 (4-MB) 16-MB
1M x 32/36 (4-MB) 2M x 32/36 (8-MB) 24-MB
1M x 32/36 (4-MB) 4M x 32/36 (16-MB) 40-MB
1M x 32/36 (4-MB) 8M x 32/36 (32-MB) 72-MB
2M x 32/36 (8-MB) --- 16-MB
2M x 32/36 (8-MB) 1M x 32/36 (4-MB) 24-MB
2M x 32/36 (8-MB) 2M x 32/36 (8-MB) 32-MB
2M x 32/36 (8-MB) 4M x 32/36 (16-MB) 48-MB
2M x 32/36 (8-MB) 8M x 32/36 (32-MB) 80-MB
4M x 32/36 (16-MB) --- 32-MB
4M x 32/36 (16-MB) 4M x 32/36 (16-MB) 64-MB
4M x 32/36 (16-MB) 8M x 32/36 (32-MB) 96-MB
8M x 32/36 (32-MB) --- 64-MB
8M x 32/36 (32-MB) 8M x 32/36 (32-MB) 128-MB
16M x 32/36(64MB) 16M x 32/36(64MB) 256-MB

Installing RAM SIMM Units

  1. Follow the procedures detailed in ESD Precautions on page 4-1 in the Optima2 User's Guide.
  2. Open the system as described on page 4-2.
  3. Check the RAM Expansion Chart for the correct memory configuration.
  4. Carefully insert a SIMM at about a 45o angle into the socket as shown in Figure 4-8 below:
  5. Push the SIMM into the socket until it is firmly seated.
  6. Tilt the SIMM up to a vertical position until the spring-loaded latches lock the card into place.
  7. Repeat steps 4 through 6 to install additional SIMMs.
  8. Close the system as described on page 4-3 and power it up. The system will automatically configure the newly installed memory.
  9. If you wish to see the new memory configuration, enter the BIOS Setup program by pressing the <F1> key before the system boots. You can also type MEM at the DOS prompt, and the size of the system memory will be displayed.
  10. For more information regarding the BIOS Setup program, refer to Chapter 3.

Jumper Settings

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