Video Modes - IBM xSeries 380 Hardware Maintenance Manual

Video modes

224
Hardware Maintenance Manual: xSer ies 380
The following illustration shows the jumper settings.
1
No Firmware Update or Flash Bootblock Enable (Default Setting)
2
Flash Bootblock Enable
3
Force a Firmware Update
4
Force a Firmware Update and Flash Bootblock Enable
Configuring brownout protection
Jumper block J4D1 allows you set the brownout protection for either 110 or 220 volts.
By default, 110 volt protection is enabled.
The following illustration shows the jumper settings.
J4D1 J4D1
1
Low Line for 110 Volt Brownout Protection (Default Setting)
2
Low Line for 110 Volt Brownout Protection (Default Setting)
3
High Line for 220 Volt Brownout Protection
The ATI RAGE XL integrated video controller provides VGA modes for resolutions of
1280 x 1024 and below. The following table shows what is supported and what is
unsupported. Areas of the table with dashes are unsupported.
Table 25. 2D modes for 64-bit SDR SD/SGRAM (100 MHz).
Refresh
Display rate
mode MHz 8
640 x 480 60 - 200
800 x 600 48 - 180
1024 x 768 43 - 140
1152 x 864 43 - 100
1280 x 43
1024
47
J4D1
Buffer Memory (MB)
4 8
Color Depth (bpp)
16 24 32 8 16 24
—
—
16
32 8 16 24 32 8
32
16 24 32