Sun Microsystems Ultra 40 M2 Installation Manual page 15

PCI Card Slots and Connector Specifications (Top to Bottom)
TABLE 1-4
PCI Card Slot Supported Speeds
PCI-E3 x16 secondary graphics
PCI-E2 x4 x16 mechanical, x8 electrical
PCI-E1 x16 primary graphics
PCI-0 PCI 33 MHz/32 bit
PCI-E0 x8 x16 mechanical, x8 electrical
Power Connector
From GFX2_PWR_OUT
(6-pin Y-adapter)
None
From GFX1_PWR_OUT (6-pin to 6-pin)
None
None
Chapter 1 System Setup 7