MICRO-STAR INTERNATIONAL CO., LTD. MS-5128 Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS AMI/Award Dimensions 280mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Speaker J20 pins 7 - 10 Serial port 2 CN2 Turbo LED J20 pins 12 & 13 Parallel port CN3 Turbo switch J20 pins 15 - 17 Floppy drive CN4 Reset switch J20 pins 19 & interface 20 IDE interface 2 CN5 IDE interface LED J20 pins 21 & 22 IDE interface 1 CN6 Chassis fan power J21 USB connector CN7 IR connector JIR PS/2 mouse CN8 Green PC connector JG2 interface PS/2 mouse port CN9 32-bit PCI slots PC1 - PC4 Power LED & J20 pins 1 - Cache slot SL1 keylock 5 USER CONFIGURABLE SETTINGS Function Label Position Jumper information unavailable JP8 Unidentified PS/2 IRQ12 mouse enabled JP10 Closed PS/2 IRQ12 mouse disabled JP10 Open DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 8MB None (2) 1M x 36 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 16MB None (2) 2M x 36 24MB (2) 2M x 36 (2) 1M x 36 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 32MB None (2) 4M x 36 40MB (2) 4M x 36 (2) 1M x 36 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 48MB (2) 2M x 36 (2) 4M x 36 64MB None (2) 8M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 8M x 36 (2) 1M x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 96MB (2) 4M x 36 (2) 8M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 128MB None (2) 16M x 36 128MB (2) 8M x 36 (2) 8M x 36 136MB (2) 1M x 36 (2) 16M x 36 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 2M x 36 (2) 16M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 4M x 36 (2) 16M x 36 160MB (2) 16M x 36 (2) 4M x 36 192MB (2) 8M x 36 (2) 16M x 36 192MB (2) 16M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 16M x 36 CACHE CONFIGURATION Size Bank 0 SL1 256KB (2) 32K x 32 None 512KB (2) 32K x 32 256KB module installed Note: The size of the TAG chip is unidentified. CACHE JUMPER CONFIGURATION Setting JS1 SL1 installed Closed SL1 not installed Open CPU SPEED SELECTION (CYRIX) Speed SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 120MHz Off On Off Off On Off 133MHz Off On Off On On On 150MHz Off On Off Off Off On 166MHz Off On Off Off Off Off CPU SPEED SELECTION (AMD/PENTIUM) Speed SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 75MHz Off Off Off Off On Off 90MHz Off Off Off Off Off On 100MHz Off Off Off Off Off Off 120MHz Off On Off Off Off On 133MHz Off On Off Off Off Off 150MHz Off On On Off Off On 166MHz Off On On Off Off Off 180MHz Off Off On Off Off On 200MHz Off Off On Off Off Off CPU VOLTAGE SELECTION Voltage JV1 JV2 JV3 2.8v - 2.9v (P55) Open 1 & 2, 4 & 5 Open 3.3v - 3.45v 1 & 2, 3 & 4, 3 & 4 Open (STD/VR) 5 & 6 3.45v - 3.6v (VRE) 1 & 2, 3 & 4, 3 & 4 Closed 5 & 6 Note: Pins designated should be in the closed position.