Vintage TXM 8 Rev. E 8 MHz IBM PC/XT-compatible system motherboard, PCB number 75-002-44.This is a heavily populated late-1980s 8088-class system board featuring an Intel P8088-2 processor and an original Phoenix Software Associates Compatibility Software ROM marked ©1985, 1986/A.Visible hardware includes:• Intel P8088-2 CPU
• 8 MHz system board
• Phoenix Compatibility Software ROM
• Six 8-bit ISA expansion slots
• Large populated DRAM memory bank
• NEC D8237AC-5 DMA controller
• Mitsubishi M5L8253P-5 programmable timer
• Intel P8255A-compatible peripheral controller
• Multiple configurable ROM sockets
• DIN keyboard connector
• Extensive period TTL support circuitry
• PCB number 75-002-44
• TXM 8 REV. E board marking
• Serial number M088316A fantastic original example of the IBM PC/XT-compatible hardware ecosystem from the late 1980s, with the classic 8088 architecture and Phoenix compatibility software.Board is untested and is being sold as-is for vintage computer restoration, parts, collection or display.Please examine all photographs carefully. You will receive the exact board pictured.
