Compaq EP Series - Manual (Page 68)

Compaq Deskpro EP Series of Personal Computers 4-25
4.13.2 Intel 810 and 810e
Deskpro EP Expansion Slots - Intel 810
Deskpro EP Expansion Slots - Intel 810e
1 ISA expansion slot
2 ISA/ISA shared expansion slots
3 PCI expansion slots
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Your 810e system board may differ from the one shown.