IBM PC 350 (Pentium-166)

Machine type 6587-9BT
Serial 553WV26
Manufacturer IBM Corp. United Kingdom Ltd.
Pre-loaded software MS Windows 95 or DOS and MS Windows 3.x ("choose and lose")
Date March 1997

Physical description

Type Desktop (sticker on riser card 3/97)
Dimensions (HxWxD) 159 x 420 x 470 mm
Drive bays 2 x 3.5" (1 internal), 2 x 5.25" half-height
Power supply 100 W, 110-220VAC manual voltage switch (9703)

Main board

BIOS IBM SurePath BIOS (rev. LVKT35AGR, 3 Sept. '98), flashable
Chipset Intel 430HX "Triton II"
Processor Intel Pentium-S 166 MHz (32-bit) PGA (fam. 5 mod. 2 step. C)
Coprocessor Integrated on Pentium
External cache Socket for replaceable COAST module, Pipelined Burst (allowed configurations are 0 Kb, 256 Kb or 512 Kb)
Memory One 128-pin DIMM socket, four 72-pin SIMM sockets (SIMMs must be installed in pairs)
Std. memory One 128-pin 16 Mb DIMM module
Max on system board 192 Mb (1 x 64 Mb DIMM, 4 x 32 Mb SIMMs)
Bus PCI 32-bit, ISA 16-bit
Expansion slots 3 PCI/ISA combos, 2 ISA (total 5), on riser card
Video Integrated S3 Trio 64V+ Super-VGA display adapter w. 1 Mb memory (exp. to 2 Mb)
Interface Enh. IDE (2 ports, tot. 4 units), FDD (2 units)
Ports PS/2 keyboard, PS/2 mouse, 2 buffered serial, parallel, VGA, 2 USB


Installed cache 256 Kb Pipelined Burst (COAST module)
Installed RAM 1 x 16 Mb DIMM (9710), 2 x 16 Mb and 2 x 8 Mb SIMMs (all 60ns EDO)
Video Macronix MX86251+ (3Dfx Voodoo Rush chip, PCI) w. 4 Mb mem. (9801) ADDITION
Ethernet Realtek 8029 PCI card ADDITION
Audio Creative Sound Blaster AWE32 (ISA, Model CT3600, chips CT2502 and CT1971, [WK] 05/97) w. 512 Kb of RAM ADDITION


Diskette drive 1.44 Mb, 3.5" slim (Alps, 97-03)
Hard disk IBM DAQA32700 (2,5 Gb), IDE/ATA, 3.5" slim (MAR-97)
CD-ROM drive IBM PD-1 LF-1195B, EIDE/ATA (Manuf. January 1997)


Acquisition Sept. 02, paid 50$
Condition Excellent
Installed O.S. None
Repairs/modifications Replaced 2 x 8 Mb w. 2 x 16 Mb memory SIMMs (it had 48 Mb only), removed PCI TR adapter, added Mitsumi CD-ROM writer, audio and ethernet cards
Current status All hw perfectly working, currently in use
Current O.S. MS Windows 95 (4.00.950B, OSR2 w. USB support, Italian)
Spare parts Accessories only


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This page was first published on the web on Oct. 11, 2001
Last revised Jun. 9, 2005