AST RESEARCH, INC. PREMMIA SE Processor 80486SX/80486DX/80486DX2/Pentium Overdrive/Pentium Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set AST Max. Onboard DRAM 128MB Cache 64/128/256KB (with external cache card installed) BIOS AST Dimensions 330mm x 218mm I/O Options Floppy drive interfaces (2), IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, SCSI backplane card NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Chassis fan power J9 IDE interface J22 PS/2 mouse port J12 Floppy drive J24 interface (primary) Parallel port J13 Floppy drive J25 interface (secondary) Serial port 1 J14 External battery J26 Pentium/Cache J17 Speaker J27 upgrade connector VGA port J18 Chassis fan power J28 VGA feature J19 Control console J29 connector connector Serial port 2 J20 IDE interface LED J35 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Flash BIOS type select 5v - E6 pins 2 & 3 5volt closed Flash BIOS type select 12v - E6 pins 1 & 2 12volt closed » Factory configured - do not E800 pins 1 & 2 alter closed » Factory configured - do not E801 pins 2 & 3 alter closed » Factory configured - do not E802 pins 2 & 3 alter closed » Factory configured - do not E803 pins 1 & 2 alter closed » Factory configured - do not E804 pins 1 & 2 alter closed » On board video enabled SW1/1 On On board video disabled SW1/1 Off » Factory configured - do not SW1/2 Off alter » EISA CMOS memory normal SW1/3 Off operation EISA CMOS memory clear SW1/3 On » Boot type select normal SW1/4 Off Boot type select flash BIOS SW1/4 On update » Password disabled SW1/5 On Password enabled SW1/5 Off » Factory configured - do not SW1/6 Off alter » System setup type select SW1/7 Off allow access System setup type select SW1/7 On deny access » Factory configured - do not SW1/8 Off alter » I/O port address select SW1/9 On 0398h I/O port address select SW1/9 Off 026Eh » Factory configured - do not SW1/10 Off alter DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 NONE 4MB (2) 256K x 36 (2) 256K x 36 4MB (2) 512K x 36 NONE 6MB (2) 256K x 36 (2) 512K x 36 8MB (2) 512K x 36 (2) 512K x 36 10MB (2) 256K x 36 (2) 1M x 36 12MB (2) 512K x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 20MB (2) 512K x 36 (2) 2M x 36 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 34MB (2) 256K x 36 (2) 4M x 36 36MB (2) 512K x 36 (2) 4M x 36 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 2M x 36 (2) 4M x 36 64MB (2) 4M x 36 (2) 4M x 36 64MB (2) 8M x 36 NONE 66MB (2) 256K x 36 (2) 8M x 36 68MB (2) 512K x 36 (2) 8M x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 4M x 36 (2) 8M x 36 128MB (2) 8M x 36 (2) 8M x 36 VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 515KB (2) 256K x 4 NONE 1MB (2) 256K x 4 (2) 256K x 4 Note: Bank 0- is factory installed and is not configurable. MISCELLANEOUS TECHNICAL NOTE Note: CPU speed is dependent upon main board model. [Image] CONNECTIONS Purpose Location Purpose Location DC power connector 1 CN1 SCSI connector J4 DC power connector 2 CN2 SCSI connector J7 SCSI connector J1 SCSI drive cage J8 connector SCSI drive cage J2 SCSI drive cage J9 connector connector SCSI drive cage J3 SCSI connector J10 connector USER CONFIGURABLE SETTINGS Function Jumper Position » Terminator power jumper enabled E13 Closed Terminator power jumper disabled E13 Open » Terminator power jumper enabled E14 Closed Terminator power jumper disabled E14 Open SCSI ID CONFIGURATION (J1) Setting E1 E2 E3 ID0 Open Open Open ID1 Closed Open Open ID2 Open Closed Open ID3 Closed Closed Open ID4 Open Open Closed ID5 Closed Open Closed ID6 Open Closed Closed ID7 N/A N/A N/A Note: ID7 is factory reserved - do not alter. SCSI ID CONFIGURATION (J4) Setting E4 E5 E6 ID0 Open Open Open ID1 Closed Open Open ID2 Open Closed Open ID3 Closed Closed Open ID4 Open Open Closed ID5 Closed Open Closed ID6 Open Closed Closed ID7 N/A N/A N/A Note: ID7 is factory reserved - do not alter. SCSI ID CONFIGURATION (J7) Setting E7 E8 E9 ID0 Open Open Open ID1 Closed Open Open ID2 Open Closed Open ID3 Closed Closed Open ID4 Open Open Closed ID5 Closed Open Closed ID6 Open Closed Closed ID7 N/A N/A N/A Note: ID7 is factory reserved - do not alter. SCSI ID CONFIGURATION (J10) Setting E10 E11 E12 ID0 Open Open Open ID1 Closed Open Open ID2 Open Closed Open ID3 Closed Closed Open ID4 Open Open Closed ID5 Closed Open Closed ID6 Open Closed Closed ID7 N/A N/A N/A Note: ID7 is factory reserved - do not alter.