Epson Endeavor 486I Product Information Guide - Page 6

EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i SIMM configurations (continued) Bank0 Bank1 Bank2 Bank3 Total (SIM1) Type (SIM2) Type (SIM3) Type (SIM4) Type memory 16MB Single 16MB Single 8MB Double - 40MB 16MB Single 16MB Single 16MB Single - 48MB 16MB Single 16MB Single 8MB Double 8MB Double 48MB 16MB Single 16MB Single 16MB Single 16MB Single 64MB 16MB Single 16MB Single 32MB Double - 64MB 16MB Single 16MB Single 32MB Double 32MB Double 96MB 32MB Double - 32MB 32MB Double - 32MB Double - 64MB Double 32MB Double - 64MB Double 32MB Double 1MB Single 1MB Single 66MB Double 32MB Double 2MB Double - 66MB Double 32MB Double 2MB Double 2MB Double 68MB External Cache You can install 128KB, 256KB, or 512KB of external cache with 32K x 8, 64K x 8, or 128K x 8 15ns or 20ns, SRAM DIP chips and one 32K x 8 15ns or 20ns tag chip. The computer may already have cache installed. You must install cache in one of the configurations in the table below (each bank contains four cache memory sockets). Cache memory configurations BANK 0 U23, 24, 25, 26 32K x 8, 28-pin 32K x 8, 28-pin 64K x 8, 28-pin 128K x 8, 32-pin BANK 1 U27, 35, 36, 37 None 32K x 8, 28-pin 64K x 8, 28-pin None Tag SRAM U30 32K x 8, 28-pin 32K x 8, 28-pin 32K x 8, 28-pin 32K x 8, 28-pin Total cache 128KB 256KB 512KB 512KB * If you install SlMMs in both Bank 0 and Bank 1 or Bank 2 and Bank 3, SIMM types must match. Use only tin-plated, 32-bit, 72-pin, fast-page mode SIMMs that operate at an access speed of 80ns or faster. Be sure all the SIMMs operate at the same speed. Video Memory The computer comes with 1MB of video memory. You can increase the video memory to 2MB by installing two 512KB, 40-pin SOJ flat pack video DRAM chips. (You cannot increase video memory by installing just one chip.) Video resolutions and colors Memory I Resolution 640 x 480 Refresh I 800 x 600 1024 x 768 1280 x 1024 * Non-interlaced and interlaced ** Interlaced 60/72/75 18 bits/pixel Processor Upgrades The computer's processor can be upgraded by replacing the existing processor with a faster one. The following table lists supported processors and voltages. Supported processors Hard Disk Drive Types Your computer comes with a hard disk auto-sensing feature. To use it, select one of the drives you have installed from the Fixed Disk Setup screen. On the screen that appears for that drive, press Enter to select the Autotype Fixed Disk option. The system detects the type of hard disk drive, fills in the drive's parameters, and sets the remaining options on the screen. 6 - ActionPC 7000, ActionTower 7000, Endeavor 486i 5/19/95