Epson ActionTower 8400 Product Information Guide - Page 6

EPSON ActionPC/ActionTower 7000 series (including ActionTower 8400) SIMM configurations (continued) 1 Bank 0 IBank 1 IBank 1 I Bank 3 1 Total External Cache You can install 128KB, 256KB, 512KB, or 1MB 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 or 64K 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 l If you install SlMMs in both Sank 0 and Sank 1 or Sank 2 and Sank 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 I Memory Resolution requirement Color Refresh I rates (Hz) Remarks 640x480 1MB 256 60/72/75 8 bits/pixel 1MB 32K/64K 60/72/75 16 bits/pixel 1MB 16.8M (True 60 1 Color) 24 bits/pixel 8cQx600 I266 160/72/75 1 8 bits/pixel l Non-interlaced and Interlaced l * Interlaced 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. 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/ActionTower 7000 series (including ActionTower 8400) 10/30/95