Museum

Home

Lab Overview

⇒ fudd

Retrotechnology Articles

Media Vault

Software Library

Restoration Projects

Artifacts Sought

fudd - HP9000 Model 720

5 February, 2003

Model A1094A, S/N 6152A00333

A1094-66510 CPU board

  • 50 MHz CPU clock
  • PA7000 CPU
  • 128k off-chip instruction cache
  • 256k off-chip data cache
  • 8 135-pin memory module slots, in 4 banks of 2 slots each:
    • 32 MB RAM in 1x A2512A kits (2x A2512-60002 modules)
    • 6 empty slots

A1094-66532 I/O board

  • Built-in piezo buzzer
  • HP 1RD2-6201 HIL transciever
  • Intel 82596DX-33 Ethernet Controller
  • Intel 8042AH Microprocessor:
    • Front Panel and LED Status Indicators
    • HP-HIL
    • RTC
    • System and User Timers
  • NCR 53C700 single-ended SCSI-2 controller
  • TI SN76494 tone generator
  • WD WD16C552 parallel port controller

Built-in ports

  • Ethernet AUI (DA15F)
  • Ethernet BNC (RG58F)
  • HP-HIL
  • Parallel (DB25F)
  • RS-232 A (DE9M)
  • RS-232 B (DE9M)
  • Single-ended SCSI (HD50)
  • Speaker (1/8" phono)

SCSI disk tray

  • A1658-69107 hard disk (6s0):
    • Quantum Empire 1080S OEM
    • 1 GB, 5400 RPM, 3.5" LP
    • Fast SCSI-II, 50-pin

A1659-66001 CRX graphics

  • 3BNC
  • 1280x1024 @ 72Hz
  • 8 plane color
  • Composite sync on green
  • 135 MHz Bt458 RAMDAC
  • 3 MB memory (24ea. M5M44256BJ-8)

0950-2081 Astec BM200-3601 Autoranging PSU

  • 110/220-240VAC
  • 50/60 Hz
  • 200W max

Additional peripherals

  • HP A1999A External CD-ROM drive (3s0):
    • Toshiba model XM3301
    • 650 MB, 5.25" HH, 150 RPM
    • Caddy loaded
    • S/N 3960101733

Software Installed

  • HP-UX 8.07

Typewritten Software • bear@typewritten.org • Seattle, WA 98109