Epson ActionPC 1500 Product Information Guide - Page 5

EPSON ActionPC 1500/2000, ActionTower 2000 System bad components Socket U2, U11 U3 U4 U5, U6, U7, U8 U10 U13, U14, U15. Component Super l/O controller (UMC82C863,865); supports up to two diskette drives, two serial ports. and one parallel Fort Cirrus GD5424 video controller; local bus VGA with TrueColor support ALI M1217 system and memory controller Video DRAM Cyrix 486SLC-33/SLC2-50 processor Socketed video DRAM CN1 CN2 1 PS/2 Type mouse connector; 6-pin, mini-DIN 1 PS/2 type keyboard connector; 6-pin. mini-DIN 1 Video connector; 15-pin, D-shell, high density I Jumper settings (continued) Jumper Jumper number setting J14 1-2* 2-3 J15 1-4 2-3 l 3-4 J16 1-2* 2-3 Function Enables the IDE hard disk drive controller Disables the IDE hard disk drive controller Selects external battery Selects the system board battery Discharges CMOS memory (this resets the SETUP values to their factory defaults) Enables the IDE hard disk drive controller Disables the IDE hard disk drive controller * Factory setting ** MS-DOS automatically reassigns parallel and serial ports. Check the MS-DOS manual for more information. Built-in VGA jumper settings Built-in VGA Enable Disable J1 J2 1-2* 1-2* Off Off *Factory setting CN12 1 Key-lock and power LED connector CN13 ! Speaker connector; 4-pin header CN14 Turbo switch connector, 2-pin header CN18 Hard disk drive connector; 40-pin header CN18 Hard disk drive, TURBO, and power LED connector: 6-pin header CN19 Diskette drive connector; 34-pin header S1 ISA 120-pin slot connector RAM1,2,3,4 SIMM sockets; two banks of two sockets each OSC1 Oscillator I BAT1 I Battery I Jumper Settings The following table lists the jumpers that can be changed; other jumpers are for factory use only. umper settings SIMM Installation Your computer comes with 2MB, 4MB, or 8MB of memory on memory mod&s-also called SIMMs (single inline memory modules). By installing additional SIMMs, you can increase the amount of memory in your computer up to 16MB. There are four SIMM sockets on the main system board, and each can contain one SIMM. You can use 1MB and 4MB SIMMs. The following table shows the possible SIMM configurations; do not install memory in any other configuration. The label on the system board for each SIMM socket (RAM1 through RAM4) identifies the bank of sockets where you should install SIMMS. Possible SIMM configurations 1 BANK 0 (RAM1 and RAM2) 1MB 1MB 4MB 4MB 1 BANK 1 (RAM3 and RAM4) X 1MB X 4MB 1 I Total memory 2MB 4MB 8Ms 18MB Enables diskette drive con Video Memory The computer may come with 512KB or 1MB of video memory. You can increase the video memory to 1MB by installing four video DRAM DIP (Dual Inline Package) chips (44256), 70ns. For the memory to work properly, you must install one chip in each socket. 5/9/94 EPSON ActionPC 1500/2000, ActionTower 2000 - 5