Sun 501-1870 SPARCStation IPC Motherboard 0MB Sun-4/40 Vintage Sun Microsystems For Sale
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Sun 501-1870 SPARCStation IPC Motherboard 0MB Sun-4/40 Vintage Sun Microsystems
Price: US $125.00
Sun SPARCstation IPC Motherboard Part# 501-1870Manufacturer: Sun MicrosystemsDescription: SPARCstation IPC MotherboardNVRAM: needs replacing, deadCondition: Clean, Pull Specifications:
25Mhz Weitek CPU
12 Memory Slots
Two SBus slots
Two RS-232/RS-423 Serial Ports; 8-pin mini-DIN connectors
DB13W3 Video Connector
Two 8-pin mini-DIN Keyboard, Mouse Connectors
Manufacturer Notes:
The minimum operating system is SunOS 4.0.3c.
Use 1MB SIMM 501-1697-01.
Use 4MB SIMM 501-1625-01 or 501-1739-01.
Bug 1047696 affects the installation of SunOS 4.1.1 and 4.1.1 Rev B if 1MB and 4MB SIMMs are mixed. Install the 4MB SIMMs in Bank 0 when installing miniunix.
A shunt is installed on pins 1-2 of J0710 on CPU 501-1974. Install the shunt between Pins 2-3 to bypass the S4_Video ASIC.
SCSI bus errors may occur when multiple SCSI devices are used with CPU boards below 501-1689-06.
CPU boards below 501-1689-07 fail SunDiag Floppy Drive testing.
CPU boards with the 53C90A SCSI Controller require a patch to operate under SunOS 4.0.3c.
The 2.4, 2.6, and 2.9 Boot PROM modes do not support SunOS 4.0.3c or SunOS 4.1. Set the NVRAM parameter version2? to false to enable the 1.7 Boot PROM mode.
Sun Fact:The SPARCstation IPC was introduced by Sun Microsystems in July of 1990. It is based on the sun4c architecture and is enclosed in a lunchbox chassis. SPARCstation IPC, Sun-4/40 code-named Phoenix. Vintage Sun Microsystems, Rare. Ships SAFE and Fast!!
