IBM PC 330 - 466DX2

Type 6571-L3B
Serial LV55006X3PV
Manufacturer IBM Corp. United Kingdom Ltd.
Pre-loaded software PC-DOS 6.3, MS Windows 3.1
Date May 1995 (05/95 on bottom label, 28 APR 95 print inside top cover)

Physical description

Type Desktop
Dimensions (HxWxD) 129 x 360 x 464 mm
Drive bays 2 x 3.5" (1 internal), 1 x 5.25" half-height
Power supply 100-127/200-140 V, manual voltage switch (WK 17/95)

Main board

BIOS IBM SurePath BIOS (rev. LEKT52AIT, 10 Mar. 1995), PnP, flashable (48 Kb)
Chipset OPTi
Processor Intel 80486DX2-66 MHz (32-bit) PGA
Coprocessor Integrated on 486DX
Memory 4 sockets for 70ns 72-pin SIMMs
Std. memory One 4 Mb SIMM
Max on system board 128 Mb
External cache 256 Kb (chips 9438)
Bus VESA, 32-bit, ISA 16-bit
Expansion slots 1 x 32-bit VESA, 2 x 16-bit ISA (on riser card), all available
Interface Enh. IDE (2 units), FDD (2 units)
Video Integrated Cirrus Logic CL-GD5430 Super-VGA adapter w. 1 Mb of DRAM memory (chip 9513)
Ports PS/2 keyboard, PS/2 mouse, 2 buffered serial (UART 16550A), parallel, VGA


Installed RAM 4 x 8 Mb 70ns SIMMs (9428, 9439, [9]508, und.)
Audio Sound Blaster 16 (model CT2290, chip CT1745A, 17-95) ADDITION
Ethernet SMC 8216C (3495) ADDITION


Diskette drive 1.44 Mb, 3.5" slim (unk.)
Hard disk Quantum Maverick ProDrive, 270 Mb IDE/ATA, 3.5" slim (APR/95)
CD-ROM IBM CR-574-C, EIDE/ATA (4-speed, 95-10) ADDITION


Acquisition May 2000, electronics/computers fair, paid 20$
Condition Very good, working
Installed O.S. None
Repairs/modifications Added audio card, replaced existing 4 x 4 Mb memory SIMMs
Current status All hw working
Current O.S. MS-DOS 6.22, MS Windows for Workgroup 3.11 (Italian)
Spare parts Drives, accessories


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This page was first published on the web on Nov. 11, 2001
Last revised May 24, 2004