Description

Specifications

• Processor: Intel 8088 or compatible, NEC V20.
  • Supports both standard 4.77MHz CPU clock and turbo, up to 13.33MHz CPU clock operation.
• Coprocessor: Intel 8087.
• RAM: Up to 832 KiB of usable system memory (640 KiB base memory, and up to 192 KiB UMB); Implemented using SRAM.
• ROM: 128 KiB flash ROM. Configurable to either 64 KiB or 128 KiB.
• 8-bit ISA interface with several ISA/AT signals
• PS/2 compatible keyboard and mouse controller
• One 8237 direct memory access controller (DMAC)
• Two 8259 programmable interrupt controllers (PICs), supporting the total of 15 interrupts;  10 interrupts available for extension cards
• One 8254 programmable interval timer (PIT)
• One DS12885/DS12887 real time clock and non-volatile RAM (RTC/NVRAM)