Of Pine Wood
Motherboard · 1995

Dell Optiplex XL 590

Works

Details
Year1995
SocketsSocket 5 (PGA320)
CPUsIntel Pentium (P54C), Winchip 2, K5, M1 - 6x86, Winchip C6
FSB50MHz, 60MHz, 66MHz
ChipsetIntel 430NX (PCIset NX Neptune)
Form factorLPX
L2 cache256KB
Max RAM256MB
RAM type72-pin FPM
PSU connectorAT (6-pin P8 + 6-pin P9)
CMOS batteryyes
LinksThe Retro Web (external)
Expansion slots & ports
Slots
ISA 16-bit5
PCI2
I/O ports
Floppy1
IDE2
PS/2 mouse1
PS/2 keyboard1
Serial2
Parallel1
VGA1
Notes

Known models:

  • Dell OptiPlex XL 575/590/5100/5120/5133
  • Dell OptiPlex XM 575/590/5100/5120/5133
  • Dell OptiPlex XMT 575/590/5100/5120/5133
  • Dell PowerEdge EL series

Video

S3 86C864 (Vision864), with up to 2 MB VRAM. It’s a 64-bit Windows accelerator (PCI).

Known Issues

Proprietary power supply connector Some or all versions of this motherboard use a non-standard power supply connector, limiting compatibility with power supplies. It is highly advised to NOT apply power to the board prior to checking the connector pinouts and ensuring they are compatible. Failure to do so can permanently damage both the motherboard and the power supply.

Expansion slots are on proprietary riser The listed slots are on the riser card that came with the motherboard.
If you have this board make sure you have the riser for it.

Used in
1992–1996
Olivia
Intel Pentium I (Olivia)Incomplete · 1992–1996