ABIT PD5N SiS 5598 Socket-7 Board
by Anand Lal Shimpi on December 10, 1997 7:20 PM EST- Posted in
- Motherboards
Here are my Recommended BIOS Settings for those of you who have been having problems with the PD5N and higher bus speeds. Below are my recommended settings for bus speeds < 66MHz, 75MHz, and 83.3MHz. If you are using FPM RAM, then use the settings the in the 2nd (Non - EDO) column, if you are using EDO RAM with a 50/60/66MHz bus speed use the 3rd (66MHz Setting) column. If you are using EDO RAM with a 75/83.3MHz bus speed use the 4th (75/83MHz Setting) column. Finally, if you are looking for the safest and most stable setting, use the last column.
PD5N Chipset Features Setup | ||||
Item | Non - EDO | 66MHz Setting | 75/83MHz Setting | Safe Setting |
Auto Configuration: | Disabled | Disabled | Disabled | Enabled |
Refresh Cycle Time (us): | 187.2 | 187.2 | 187.2 | 187.2 |
RAS Pulse Width Refresh: | 6T | 4T | 5T | 6T |
RAS Precharge Time: | 4T | 2T | 4T | 4T |
RAS to CAS Delay: | 5T | 2T | 4T | 6T |
CPU to PCI Post Write: | 4T | 3T | 4T | 4T |
ISA Bus Clock Frequency: | 7.159MHz | 7.159MHz | 7.159MHz | 7.159MHz |
L2 Cache Tag Bit Length: | 8bits | 8bits | 8bits | 8bits |
NA# Enable: | Enabled | Enabled | Enabled | Enabled |
Starting Point of Paging: | 2T | 2T | 4T | 8T |
CAS# Pulse Width (FP): | 2T | 1T | 2T | 2T |
CAS# Pulse Width (EDO): | 2T | 1T | 2T | 2T |
RAMW# Assertion Timing: | 3T | 2T | 3T | 3T |
CAS Precharge Time (FP): | 2T | 1T/2T | 2T | 2T |
CAS Precharge Time (EDO): | 2T | 1T/2T | 2T | 2T |
Enhanced Memory Write: | Disabled | Enabled | Disabled | Disabled |
Read Prefetch Memory RD: | Enabled | Enabled | Enabled | Enabled |
CPU to PCI Burst Mem. WR: | Enabled | Enabled | Enabled | Enabled |
System BIOS Cacheable: | Disabled | Disabled | Disabled | Disabled |
Video BIOS Cacheable: | Enabled | Enabled | Enabled | Disabled |
Memory Hole at 15M-16M: | Disabled | Disabled | Disabled | Disabled |
VGA Shared Memory Size: | 1 MB | 1 MB | 1 MB | 1 MB |
VGA Memory Clock (MHz): | 60 | 60 | 60 | 50 |
In recent times, choosing a motherboard cannot be completely determined by a Winstone score. Now, many boards come within one Winstone point of each other and therefore the need to benchmark boards against each other falls. Therefore you shouldn't base your decision entirely on the benchmarks you see here, but also on the technical features and advantages of this particular board, seeing as that will probably make the greatest difference in your overall experience.
Test Configuration
Processor(s): | AMD K6/233 ANR & Intel Pentium MMX 233 & Cyrix 6x86MX-PR2/200 |
Board Revision: | 1.3 |
RAM: | 2 - 32MB 50ns Micron EDO SIMMs |
Hard Drive(s): | Western Digital Caviar AC21600H |
Video Card: | Matrox Millennium (2MB WRAM) |
Busmaster EIDE Drivers: | SiS 5598 BMIDE Driver |
Video Card Drivers: | MGA Millennium 4.03.00.3410 |
OS: | Windows 95 Service Release 2 |
System Cooling: | InWin G500 Mid
Tower AT Case 1" Heatsink/Fan Combo 3" Secondary Case Fan |
Windows 95 Performance of the ABIT PD5N
CPU | Business Winstone97 | Business Graphics Winmark97 |
AMD K6/200 | 52.6 | 101 |
AMD K6/208 | 55.6 | 113 |
AMD K6/225 | 55.2 | 111 |
AMD K6/233 | 54.2 | 107 |
Cyrix 6x86MX-PR2/166 (150/75) | 53.7 | 109 |
Cyrix 6x86MX-PR2/200 (166/66) | 55.0 | 116 |
Intel Pentium MMX 200 | 49.8 | 99.9 |
Intel Pentium MMX 208 | 52.9 | 100 |
Intel Pentium MMX 225 | 53.4 | 110 |
Intel Pentium MMX 233 | 52.6 | 107 |
Intel Pentium MMX 250 | 56.3 | 125 |
Intel Pentium MMX 290.5 | 55.6 | 122 |
The ABIT PD5N is a decent motherboard, although it doesn't take full advantage of the SiS 5598 chipset it is based upon it is still a great low cost alternative to some other single chip solutions. It doesn't measure up to ABIT's usual quality and excellence, however the motherboard as a whole isn't bad, in fact it is much better than quite a few of its competitors...ABIT seems to hold the SiS 5598 throne, however MTech is working on an answer to it...the Mustang Ultra...with SDRAM support! We'll just have to wait and see...
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