SENSATION! (250-1650) Specifications Outline Faxback Doc. # 2632 1. Review of architecture. a. 25 Mhz 80486 SX microprocessor. 1) Will support 80487 math coprocessor. 2) Will support 50 MHz OverDrive processor from Intel. 3) Offers 8 k cache internal to CPU. b. Standard with 4 MB RAM. 1) Requires special 36-bit SIMM's (2 MB x 36) 2) Maximum for main logic board is 32 MB. 3) 1 MB / 2 MB / 4 MB / 8 MB SIMM configurations available. - 1 MB x 36, 4 MB total 25-5138 - 2 MB x 36, 8 MB total AX259-7220 c. 512 k video RAM - upgradable to 1 MB with 2 x 25-1082a. 1) Use 256 k x 4 at 70 nsec. 2) WD90C31 video controller chip (U 28) - 1 MB video RAM is standard. 3) WD90C31A video controller chip (U 28) -512 k video RAM. d. 100 watt 60 Hz power supply. e. 107 MB IDE drive. 1) Only 1 hard drive internally. 2) Can only upgrade existing hard drive, not add a second. 3) After WinMate / Windows / applications factory installed, only 31.27 MB available. f. CD-ROM drive. 1) Laser Magnetics Storage Int'l. Company (LMS CM-205). 2) 375 msec access time. 3) 153.6 kb transfer rate. g. Fax / Modem. 1) 4800 bps Fax is send-only. 2) 2400 bps Modem at COM 2 / IRQ 3 / 02F8H. Note: Tech Bulletin incorrect for IRQ and port address. h. Three 16-bit expansion slots. i. Battery = CR2032, Radio Shack catalog number 23-162.