AMD Confidential
User Manual November 21
st
, 2008
242 Appendix A
Returns true if VESA BIOS Extensions is enabled;
otherwise it returns false.
A.7.19 Matrox MGA-G400 Graphics
1 simnow> mgag400.usage
Enables (1) or disables (0) the texture units. By default
the texture units are disabled.
Sets the MGA-G400 type to CARDID. Valid values for
CARDID are: 6648, 888, 6616, and 824.
Returns the current CARDID value.
A.7.20 PCI Bus
1 simnow> pcibus.usage
DeviceID <SlotID> <DeviceID>
Sets the DeviceID to „DeviceID‟ on slot „SlotID‟.
Returns the DeviceID of specified slot „SlotID‟.
BaseIRQ <SlotID> (a|b|c|d)
Sets the Base IRQ of slot „SlotID‟ to A, B, C or D.
Returns the Base IRQ of slot „SlotID‟.
Enables (1) or disables (0) slot wit specified „SlotID‟.
Returns enabled if slot „SlotID‟ is enabled, otherwise it
returns disabled.
Displays PCI Bus configuration information.
A.7.21 SIO
1 simnow> sio.usage
The Lock (1) or Unlock (0) Registers option activates
the breakpoint anytime the lock or unlock sequence is
hit.
Returns enabled if BreakOnLock is enabled; otherwise it
returns disabled.
Enable (1) or disable (0) breakpoints whenever any of
the device configuration registers is read.
Returns enabled if BreakOnRead is enabled; otherwise it
returns disabled.
Enable (1) or disable (0) breakpoints whenever any of
the device configuration registers is modified.
Returns enabled if BreakOnWrite is enabled; otherwise
it returns disabled.
Displays SIO configuration information.