NEC EXPRESS5800/120Ld Service Manual page 26

The system board has four 33 MHz, 32 bit, PCI connector slots
(Figure 1-7, A), as shown in the following figure. The bottom PCI connector (PCI 7)
shares a chassis connector slot with an ISA connector (ISA 1).
PCI features:
Bus speed up to 33 MHz
!
32-bit memory addressing
!
5 V signaling environment
!
Burst transfers up to a peak of 132 MB/s
!
8-, 16-, or 32-bit data transfers
!
Plug and Play ready
!
Parity enabled.
!
Note:
PCI slots, the bus speed for the 66 MHz PCI slots is decreased to
33 MHz.
1-10 System Overview
If a 33 MHz PCI card is installed into one of the 66 MHz
Figure 1-7. 32 Bit PCI Connector Slots